Python DoubleOutPointerFilter.input_sampling_rate Examples

Example #1

File: PyATKDynamic_attackreleasefilter_test.py Project: whztt07/AudioTK

def filter(input):
    infilter = DoubleInPointerFilter(input)
    infilter.output_sampling_rate = sampling_rate

    attackreleasefilter = DoubleAttackReleaseFilter(1)
    attackreleasefilter.input_sampling_rate = sampling_rate
    attackreleasefilter.set_input_port(0, infilter, 0)
    attackreleasefilter.attack = np.exp(-1 / (sampling_rate * 1e-3))
    attackreleasefilter.release = np.exp(-1 / (sampling_rate * 10e-3))

    outdata = np.zeros(processsize, dtype=np.float64)
    outfilter = DoubleOutPointerFilter(outdata)
    outfilter.input_sampling_rate = sampling_rate
    outfilter.set_input_port(0, attackreleasefilter, 0)

    attackreleasefilter2 = DoubleAttackReleaseHysteresisFilter(1)
    attackreleasefilter2.input_sampling_rate = sampling_rate
    attackreleasefilter2.set_input_port(0, infilter, 0)
    attackreleasefilter2.attack = np.exp(-1 / (sampling_rate * 1e-3))
    attackreleasefilter2.release = np.exp(-1 / (sampling_rate * 10e-3))
    attackreleasefilter2.release_hysteresis = .5
    attackreleasefilter2.attack_hysteresis = .9

    outdata2 = np.zeros(processsize, dtype=np.float64)
    outfilter_hyst = DoubleOutPointerFilter(outdata2)
    outfilter_hyst.input_sampling_rate = sampling_rate
    outfilter_hyst.set_input_port(0, attackreleasefilter2, 0)

    pipelineend = PipelineGlobalSinkFilter()
    pipelineend.input_sampling_rate = sampling_rate
    pipelineend.add_filter(outfilter)
    pipelineend.add_filter(outfilter_hyst)
    pipelineend.process(processsize)

    return outdata, outdata2

Example #2

File: PyATKConvert_test.py Project: mbrucher/AudioTK

def DoubleConvertFilter2_new_test():
  import numpy as np
  from ATK.Core import DoubleComplexToRealFilter, PipelineGlobalSinkFilter
  from ATK.Core import ComplexDoubleInPointerFilter, DoubleOutPointerFilter
  
  from numpy.testing import assert_equal
  input = np.ascontiguousarray(np.arange(1000, dtype=np.complex128))
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64))
  output2 = np.ascontiguousarray(np.zeros(1000, dtype=np.float64))
  
  inputfilter = ComplexDoubleInPointerFilter(input)
  convertFilter = DoubleComplexToRealFilter()
  outputfilter = DoubleOutPointerFilter(output)
  output2filter = DoubleOutPointerFilter(output2)
  
  convertFilter.set_input_port(0, inputfilter, 0)
  outputfilter.set_input_port(0, convertFilter, 0)
  output2filter.set_input_port(0, convertFilter, 1)
  
  inputfilter.output_sampling_rate = 48000
  convertFilter.input_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000
  output2filter.input_sampling_rate = 48000
  
  sink = PipelineGlobalSinkFilter()
  sink.add_filter(outputfilter)
  sink.add_filter(output2filter)
  sink.input_sampling_rate = 48000
  sink.process(1000)

  assert_equal(input, output)
  assert_equal(0, output2)

Example #3

def DoubleConvertFilter2_new_test():
    import numpy as np
    from ATK.Core import DoubleComplexToRealFilter, PipelineGlobalSinkFilter
    from ATK.Core import ComplexDoubleInPointerFilter, DoubleOutPointerFilter

    from numpy.testing import assert_equal
    input = np.ascontiguousarray(np.arange(1000, dtype=np.complex128))
    output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64))
    output2 = np.ascontiguousarray(np.zeros(1000, dtype=np.float64))

    inputfilter = ComplexDoubleInPointerFilter(input)
    convertFilter = DoubleComplexToRealFilter()
    outputfilter = DoubleOutPointerFilter(output)
    output2filter = DoubleOutPointerFilter(output2)

    convertFilter.set_input_port(0, inputfilter, 0)
    outputfilter.set_input_port(0, convertFilter, 0)
    output2filter.set_input_port(0, convertFilter, 1)

    inputfilter.output_sampling_rate = 48000
    convertFilter.input_sampling_rate = 48000
    outputfilter.input_sampling_rate = 48000
    output2filter.input_sampling_rate = 48000

    sink = PipelineGlobalSinkFilter()
    sink.add_filter(outputfilter)
    sink.add_filter(output2filter)
    sink.input_sampling_rate = 48000
    sink.process(1000)

    assert_equal(input, output)
    assert_equal(0, output2)

Example #4

File: PyATKDynamic_attackreleasefilter_test.py Project: mbrucher/AudioTK

def filter(input):
  infilter = DoubleInPointerFilter(input)
  infilter.output_sampling_rate = sampling_rate
  
  attackreleasefilter = DoubleAttackReleaseFilter(1)
  attackreleasefilter.input_sampling_rate = sampling_rate
  attackreleasefilter.set_input_port(0, infilter, 0)
  attackreleasefilter.attack = np.exp(-1/(sampling_rate*1e-3))
  attackreleasefilter.release = np.exp(-1/(sampling_rate*10e-3))
  
  outdata = np.zeros(processsize, dtype=np.float64)
  outfilter = DoubleOutPointerFilter(outdata)
  outfilter.input_sampling_rate = sampling_rate
  outfilter.set_input_port(0, attackreleasefilter, 0)
  
  attackreleasefilter2 = DoubleAttackReleaseHysteresisFilter(1)
  attackreleasefilter2.input_sampling_rate = sampling_rate
  attackreleasefilter2.set_input_port(0, infilter, 0)
  attackreleasefilter2.attack = np.exp(-1/(sampling_rate*1e-3))
  attackreleasefilter2.release = np.exp(-1/(sampling_rate*10e-3))
  attackreleasefilter2.release_hysteresis = .5
  attackreleasefilter2.attack_hysteresis = .9
  
  outdata2 = np.zeros(processsize, dtype=np.float64)
  outfilter_hyst = DoubleOutPointerFilter(outdata2)
  outfilter_hyst.input_sampling_rate = sampling_rate
  outfilter_hyst.set_input_port(0, attackreleasefilter2, 0)
  
  pipelineend = PipelineGlobalSinkFilter()
  pipelineend.input_sampling_rate = sampling_rate
  pipelineend.add_filter(outfilter)
  pipelineend.add_filter(outfilter_hyst)
  pipelineend.process(processsize)
  
  return outdata, outdata2

Example #5

def process(input_l, input_r):
  # Populate the outputs
  output_l = np.zeros(size, dtype=np.float64)
  output_r = np.zeros(size, dtype=np.float64)

  # Create the inputs of the pipeline from the numpy arrays
  infilter_l = DoubleInPointerFilter(input_l, False)
  infilter_l.input_sampling_rate = sample_rate
  infilter_r = DoubleInPointerFilter(input_r, False)
  infilter_r.input_sampling_rate = sample_rate

  # Create the intermediate buffer and connect it to the inputs
  buffer = DoubleBufferFilter(2)
  buffer.input_sampling_rate = sample_rate
  buffer.set_input_port(0, infilter_l, 0)
  buffer.set_input_port(1, infilter_r, 0)

  # Create the outputs and connect them to the buffer
  outfilter_l = DoubleOutPointerFilter(output_l, False)
  outfilter_l.input_sampling_rate = sample_rate
  outfilter_l.set_input_port(0, buffer, 1)

  outfilter_r = DoubleOutPointerFilter(output_r, False)
  outfilter_r.input_sampling_rate = sample_rate
  outfilter_r.set_input_port(0, buffer, 0)

  # Create the sink of the pipeline
  sink = PipelineGlobalSinkFilter()
  sink.input_sampling_rate = sample_rate
  sink.add_filter(outfilter_l)
  sink.add_filter(outfilter_r)

  # Process the pipeline
  sink.process(size)
  return (output_l, output_r)

Example #6

def filter(inputl,
           inputr,
           blend_ch1=0,
           blend_ch2=0,
           feedback_ch1_ch1=0,
           feedback_ch1_ch2=0,
           feedback_ch2_ch1=0,
           feedback_ch2_ch2=0,
           feedforward_ch1_ch1=1,
           feedforward_ch1_ch2=0,
           feedforward_ch2_ch1=0,
           feedforward_ch2_ch2=1):
    import numpy as np
    outputl = np.zeros(inputl.shape, dtype=np.float64)
    outputr = np.zeros(inputl.shape, dtype=np.float64)

    infilterL = DoubleInPointerFilter(inputl, False)
    infilterL.input_sampling_rate = sample_rate
    infilterR = DoubleInPointerFilter(inputr, False)
    infilterR.input_sampling_rate = sample_rate

    delayfilter = DoubleDualMultipleUniversalFixedDelayLineFilter(5000)
    delayfilter.input_sampling_rate = sample_rate
    delayfilter.set_input_port(0, infilterL, 0)
    delayfilter.set_input_port(1, infilterR, 0)
    delayfilter.set_delay(0, 4800)  #50ms
    delayfilter.set_delay(1, 3600)  #37.5ms
    delayfilter.set_blend(0, blend_ch1)
    delayfilter.set_blend(1, blend_ch2)
    delayfilter.set_feedback(0, 0, feedback_ch1_ch1)
    delayfilter.set_feedback(0, 1, feedback_ch1_ch2)
    delayfilter.set_feedback(1, 0, feedback_ch2_ch1)
    delayfilter.set_feedback(1, 1, feedback_ch2_ch2)
    delayfilter.set_feedforward(0, 0, feedforward_ch1_ch1)
    delayfilter.set_feedforward(0, 1, feedforward_ch1_ch2)
    delayfilter.set_feedforward(1, 0, feedforward_ch2_ch1)
    delayfilter.set_feedforward(1, 1, feedforward_ch2_ch2)

    outfilterl = DoubleOutPointerFilter(outputl, False)
    outfilterl.input_sampling_rate = sample_rate
    outfilterl.set_input_port(0, delayfilter, 0)

    outfilterr = DoubleOutPointerFilter(outputr, False)
    outfilterr.input_sampling_rate = sample_rate
    outfilterr.set_input_port(0, delayfilter, 1)

    pipelineend = PipelineGlobalSinkFilter()
    pipelineend.input_sampling_rate = sample_rate
    pipelineend.add_filter(outfilterl)
    pipelineend.add_filter(outfilterr)
    pipelineend.process(inputl.shape[1])

    return outputl, outputr

Example #7

File: PyATKDynamic_expandergain_test.py Project: mbrucher/AudioTK

def filter(input, ratio=4, threshold=1, softness=1):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  input2 = input**2
  in2filter = DoubleInPointerFilter(input2, False)
  in2filter.input_sampling_rate = sample_rate

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sample_rate

  gainfilter = DoubleGainExpanderFilter(1)
  gainfilter.input_sampling_rate = sample_rate
  gainfilter.set_input_port(0, in2filter, 0)
  gainfilter.threshold = threshold
  gainfilter.ratio = ratio
  gainfilter.softness = softness

  applygainfilter = DoubleApplyGainFilter(1)
  applygainfilter.input_sampling_rate = sample_rate
  applygainfilter.set_input_port(0, gainfilter, 0)
  applygainfilter.set_input_port(1, infilter, 0)

  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, applygainfilter, 0)
  outfilter.process(input.shape[1])

  return output

Example #8

def Volume_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleVolumeFilter

    from numpy.testing import assert_almost_equal

    input = np.sin(
        np.arange(1000, dtype=np.float64)[None, :] * 1000 * 2 * np.pi / 48000)
    output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None, :])

    inputfilter = DoubleInPointerFilter(input, False)
    volumefilter = DoubleVolumeFilter()
    outputfilter = DoubleOutPointerFilter(output, False)

    inputfilter.output_sampling_rate = 48000
    volumefilter.input_sampling_rate = 48000
    volumefilter.volume = .5
    outputfilter.input_sampling_rate = 48000

    volumefilter.set_input_port(0, inputfilter, 0)
    outputfilter.set_input_port(0, volumefilter, 0)

    outputfilter.process(1000)

    assert_almost_equal(.5 * input, output)

Example #9

File: PyATKDelay_universalvariabledelay_test.py Project: whztt07/AudioTK

def filter(input, blend=0, feedback=0, feedforward=1):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.output_sampling_rate = sample_rate

  generator = DoubleSinusGeneratorFilter()
  generator.output_sampling_rate = sample_rate
  generator.frequency = 1
  generator.volume = 1e-3*sample_rate
  generator.offset = 1.5e-3*sample_rate

  delayfilter = DoubleUniversalVariableDelayLineFilter(5000)
  delayfilter.input_sampling_rate = sample_rate
  delayfilter.set_input_port(0, infilter, 0)
  delayfilter.set_input_port(1, generator, 0)
  delayfilter.blend = blend
  delayfilter.feedback = feedback
  delayfilter.feedforward = feedforward
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, delayfilter, 0)
  outfilter.process(input.shape[1])

  return output

Example #10

File: PyATKDynamic_compressorgain_test.py Project: whztt07/AudioTK

def filter(input, ratio=4, threshold=1, softness=1):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    input2 = input**2
    in2filter = DoubleInPointerFilter(input2, False)
    in2filter.input_sampling_rate = sample_rate

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    gainfilter = DoubleGainCompressorFilter(1)
    gainfilter.input_sampling_rate = sample_rate
    gainfilter.set_input_port(0, in2filter, 0)
    gainfilter.threshold = threshold
    gainfilter.ratio = ratio
    gainfilter.softness = softness

    applygainfilter = DoubleApplyGainFilter(1)
    applygainfilter.input_sampling_rate = sample_rate
    applygainfilter.set_input_port(0, gainfilter, 0)
    applygainfilter.set_input_port(1, infilter, 0)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, applygainfilter, 0)
    outfilter.process(input.shape[1])

    return output

Example #11

File: PyATKTools_MiddleSide_test.py Project: whztt07/AudioTK

def MiddleSide_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleMiddleSideFilter

    from numpy.testing import assert_almost_equal

    t = np.arange(1000, dtype=np.float64)
    input = np.sin(np.array((t, t)) * 1000 * 2 * np.pi / 48000)
    output = np.ascontiguousarray(
        np.zeros(2000, dtype=np.float64).reshape(2, -1))

    inputfilter = DoubleInPointerFilter(input, False)
    msfilter = DoubleMiddleSideFilter()
    outputfilter = DoubleOutPointerFilter(output, False)

    inputfilter.output_sampling_rate = 48000
    msfilter.input_sampling_rate = 48000
    outputfilter.input_sampling_rate = 48000

    msfilter.set_input_port(0, inputfilter, 0)
    msfilter.set_input_port(1, inputfilter, 1)
    outputfilter.set_input_port(0, msfilter, 0)
    outputfilter.set_input_port(1, msfilter, 1)

    outputfilter.process(1000)

    assert_almost_equal(input[0] * 2, output[0])
    assert_almost_equal(0, output[1])

Example #12

File: PyATKDelay_householderfdn_test.py Project: mbrucher/AudioTK

def filter(input, ingain_ch1=0, ingain_ch2=0, ingain_ch3=0, ingain_ch4=0,
    outgain_ch1=0, outgain_ch2=0, outgain_ch3=0, outgain_ch4=0,
    feedback_ch1=0, feedback_ch2=0, feedback_ch3=0, feedback_ch4=0):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sample_rate

  delayfilter = DoubleQuadHouseholderFeedbackDelayNetworkFilter(10000)
  delayfilter.input_sampling_rate = sample_rate
  delayfilter.set_input_port(0, infilter, 0)
  delayfilter.set_delay(0, 4800) #50ms
  delayfilter.set_delay(1, 3600) #37.5ms
  delayfilter.set_delay(2, 2400) #25
  delayfilter.set_delay(3, 1200) #12.5ms
  delayfilter.set_ingain(0, ingain_ch1)
  delayfilter.set_ingain(1, ingain_ch2)
  delayfilter.set_ingain(2, ingain_ch3)
  delayfilter.set_ingain(3, ingain_ch4)
  delayfilter.set_outgain(0, outgain_ch1)
  delayfilter.set_outgain(1, outgain_ch2)
  delayfilter.set_outgain(2, outgain_ch3)
  delayfilter.set_outgain(3, outgain_ch4)
  delayfilter.set_feedback(0, feedback_ch1)
  delayfilter.set_feedback(1, feedback_ch2)
  delayfilter.set_feedback(2, feedback_ch3)
  delayfilter.set_feedback(3, feedback_ch4)
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, delayfilter, 0)
  outfilter.process(input.shape[1])

  return output

Example #13

File: PyATKTools_Decimation_test.py Project: mbrucher/AudioTK

def Decimation_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.Tools import DoubleDecimationFilter

  from numpy.testing import assert_almost_equal
  
  input = np.sin(np.arange(2000, dtype=np.float64)[None,:] * 1000 * 2 * np.pi / 96000)
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None,:])

  inputfilter = DoubleInPointerFilter(input, False)
  decimationfilter = DoubleDecimationFilter(1)
  outputfilter = DoubleOutPointerFilter(output, False)

  inputfilter.output_sampling_rate = 96000
  decimationfilter.input_sampling_rate = 96000
  decimationfilter.output_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000

  decimationfilter.set_input_port(0, inputfilter, 0)
  outputfilter.set_input_port(0, decimationfilter, 0)

  outputfilter.process(1000)

  assert_almost_equal(input[:,::2], output)

Example #14

File: PyATKTools_Oversampling_test.py Project: whztt07/AudioTK

def Oversampling_16_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleOversampling6points5order_16Filter

    from numpy.testing import assert_almost_equal

    ref = np.sin(
        np.arange(16000, dtype=np.float64)[None, :] * 1000 * 2 * np.pi /
        768000)
    input = np.ascontiguousarray(ref[:, ::16])
    output = np.ascontiguousarray(np.zeros(16000, dtype=np.float64)[None, :])

    inputfilter = DoubleInPointerFilter(input, False)
    oversamplingfilter = DoubleOversampling6points5order_16Filter()
    outputfilter = DoubleOutPointerFilter(output, False)

    inputfilter.output_sampling_rate = 48000
    oversamplingfilter.input_sampling_rate = 48000
    oversamplingfilter.output_sampling_rate = 768000
    outputfilter.input_sampling_rate = 768000

    oversamplingfilter.set_input_port(0, inputfilter, 0)
    outputfilter.set_input_port(0, oversamplingfilter, 0)

    outputfilter.process(16000)

    assert_almost_equal(ref[:, 952:-48], output[:, 1000:], decimal=1)

Example #15

def filter(noise, input, blend=0, feedback=0, feedforward=1):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    noisefilter = DoubleInPointerFilter(noise, False)
    noisefilter.input_sampling_rate = sample_rate

    lownoisefilter = DoubleSecondOrderLowPassFilter()
    lownoisefilter.input_sampling_rate = sample_rate
    lownoisefilter.cut_frequency = 5
    lownoisefilter.set_input_port(0, noisefilter, 0)

    delayfilter = DoubleUniversalVariableDelayLineFilter(5000)
    delayfilter.input_sampling_rate = sample_rate
    delayfilter.set_input_port(0, infilter, 0)
    delayfilter.set_input_port(1, lownoisefilter, 0)
    delayfilter.blend = blend
    delayfilter.feedback = feedback
    delayfilter.feedforward = feedforward

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, delayfilter, 0)
    outfilter.process(input.shape[1])

    return output

Example #16

File: PyATKDistortion_diode_clipper_test.py Project: mbrucher/AudioTK

def filter_32(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  overfilter = DoubleOversampling6points5order_32Filter()
  overfilter.input_sampling_rate = 48000
  overfilter.output_sampling_rate = 48000 * 32
  overfilter.set_input_port(0, infilter, 0)
  overdrivefilter = DoubleDiodeClipperFilter()
  overdrivefilter.input_sampling_rate = 48000 * 32
  overdrivefilter.set_input_port(0, overfilter, 0)
  lowpassfilter = DoubleButterworthLowPassFilter()
  lowpassfilter.input_sampling_rate = 48000 * 32
  lowpassfilter.cut_frequency = 48000
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, overdrivefilter, 0)
  decimationfilter = DoubleDecimationFilter(1)
  decimationfilter.input_sampling_rate = 48000 * 32
  decimationfilter.output_sampling_rate = 48000
  decimationfilter.set_input_port(0, lowpassfilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, decimationfilter, 0)
  outfilter.process(input.shape[1])
  return output

Example #17

File: PyATKTools_Volume_test.py Project: mbrucher/AudioTK

def Volume_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.Tools import DoubleVolumeFilter

  from numpy.testing import assert_almost_equal
  
  input = np.sin(np.arange(1000, dtype=np.float64)[None,:] * 1000 * 2 * np.pi / 48000)
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None,:])

  inputfilter = DoubleInPointerFilter(input, False)
  volumefilter = DoubleVolumeFilter()
  outputfilter = DoubleOutPointerFilter(output, False)

  inputfilter.output_sampling_rate = 48000
  volumefilter.input_sampling_rate = 48000
  volumefilter.volume = .5
  outputfilter.input_sampling_rate = 48000

  volumefilter.set_input_port(0, inputfilter, 0)
  outputfilter.set_input_port(0, volumefilter, 0)

  outputfilter.process(1000)

  assert_almost_equal(.5 * input, output)

Example #18

File: PyATKTools_Sum_test.py Project: mbrucher/AudioTK

def Sum_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.Tools import DoubleSumFilter

  from numpy.testing import assert_almost_equal
  
  t = np.arange(1000, dtype=np.float64)
  input = np.sin(np.array((t, t)) * 1000 * 2 * np.pi / 48000)
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None,:])

  inputfilter = DoubleInPointerFilter(input, False)
  sumfilter = DoubleSumFilter()
  outputfilter = DoubleOutPointerFilter(output, False)

  inputfilter.output_sampling_rate = 48000
  sumfilter.input_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000

  sumfilter.set_input_port(0, inputfilter, 0)
  sumfilter.set_input_port(1, inputfilter, 1)
  outputfilter.set_input_port(0, sumfilter, 0)

  outputfilter.process(1000)

  assert_almost_equal(2*input[0], output[0])

Example #19

File: PyATKTools_MiddleSide_test.py Project: mbrucher/AudioTK

def MiddleSide_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.Tools import DoubleMiddleSideFilter

  from numpy.testing import assert_almost_equal
  
  t = np.arange(1000, dtype=np.float64)
  input = np.sin(np.array((t, t)) * 1000 * 2 * np.pi / 48000)
  output = np.ascontiguousarray(np.zeros(2000, dtype=np.float64).reshape(2, -1))

  inputfilter = DoubleInPointerFilter(input, False)
  msfilter = DoubleMiddleSideFilter()
  outputfilter = DoubleOutPointerFilter(output, False)

  inputfilter.output_sampling_rate = 48000
  msfilter.input_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000

  msfilter.set_input_port(0, inputfilter, 0)
  msfilter.set_input_port(1, inputfilter, 1)
  outputfilter.set_input_port(0, msfilter, 0)
  outputfilter.set_input_port(1, msfilter, 1)

  outputfilter.process(1000)

  assert_almost_equal(input[0]*2, output[0])
  assert_almost_equal(0, output[1])

Example #20

File: PyATKDynamic_coloredexpandergain_test.py Project: mbrucher/AudioTK

def max_colored_filter(input, ratio=4, threshold=1, softness=1, quality=1, color=1, max_reduction=-10):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  input2 = input**2
  in2filter = DoubleInPointerFilter(input2, False)
  in2filter.input_sampling_rate = sample_rate
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sample_rate
  
  gainfilter = DoubleGainMaxColoredExpanderFilter(1)
  gainfilter.input_sampling_rate = sample_rate
  gainfilter.set_input_port(0, in2filter, 0)
  gainfilter.threshold = threshold
  gainfilter.ratio = ratio
  gainfilter.color = color
  gainfilter.softness = softness
  gainfilter.quality = quality
  gainfilter.max_reduction = 10 ** (max_reduction / 20.)
  
  applygainfilter = DoubleApplyGainFilter(1)
  applygainfilter.input_sampling_rate = sample_rate
  applygainfilter.set_input_port(0, gainfilter, 0)
  applygainfilter.set_input_port(1, infilter, 0)
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, applygainfilter, 0)
  outfilter.process(input.shape[1])
  
  return output

Example #21

File: PyATKTools_Oversampling_test.py Project: mbrucher/AudioTK

def Oversampling_16_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.Tools import DoubleOversampling6points5order_16Filter
  
  from numpy.testing import assert_almost_equal
  
  ref = np.sin(np.arange(16000, dtype=np.float64)[None,:] * 1000 * 2 * np.pi / 768000)
  input = np.ascontiguousarray(ref[:, ::16])
  output = np.ascontiguousarray(np.zeros(16000, dtype=np.float64)[None,:])
  
  inputfilter = DoubleInPointerFilter(input, False)
  oversamplingfilter = DoubleOversampling6points5order_16Filter()
  outputfilter = DoubleOutPointerFilter(output, False)
  
  inputfilter.output_sampling_rate = 48000
  oversamplingfilter.input_sampling_rate = 48000
  oversamplingfilter.output_sampling_rate = 768000
  outputfilter.input_sampling_rate = 768000

  
  oversamplingfilter.set_input_port(0, inputfilter, 0)
  outputfilter.set_input_port(0, oversamplingfilter, 0)
  
  outputfilter.process(16000)

  assert_almost_equal(ref[:,952:-48], output[:,1000:], decimal=1)

Example #22

File: PyATKDelay_chorus_test.py Project: mbrucher/AudioTK

def filter(noise, input, blend=0, feedback=0, feedforward=1):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sample_rate

  noisefilter = DoubleInPointerFilter(noise, False)
  noisefilter.input_sampling_rate = sample_rate

  lownoisefilter = DoubleSecondOrderLowPassFilter()
  lownoisefilter.input_sampling_rate = sample_rate
  lownoisefilter.cut_frequency = 5
  lownoisefilter.set_input_port(0, noisefilter, 0)
  
  delayfilter = DoubleUniversalVariableDelayLineFilter(5000)
  delayfilter.input_sampling_rate = sample_rate
  delayfilter.set_input_port(0, infilter, 0)
  delayfilter.set_input_port(1, lownoisefilter, 0)
  delayfilter.blend = blend
  delayfilter.feedback = feedback
  delayfilter.feedforward = feedforward
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, delayfilter, 0)
  outfilter.process(input.shape[1])

  return output

Example #23

File: PyATKTools_Sum_test.py Project: whztt07/AudioTK

def Sum_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleSumFilter

    from numpy.testing import assert_almost_equal

    t = np.arange(1000, dtype=np.float64)
    input = np.sin(np.array((t, t)) * 1000 * 2 * np.pi / 48000)
    output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None, :])

    inputfilter = DoubleInPointerFilter(input, False)
    sumfilter = DoubleSumFilter()
    outputfilter = DoubleOutPointerFilter(output, False)

    inputfilter.output_sampling_rate = 48000
    sumfilter.input_sampling_rate = 48000
    outputfilter.input_sampling_rate = 48000

    sumfilter.set_input_port(0, inputfilter, 0)
    sumfilter.set_input_port(1, inputfilter, 1)
    outputfilter.set_input_port(0, sumfilter, 0)

    outputfilter.process(1000)

    assert_almost_equal(2 * input[0], output[0])

Example #24

def Decimation_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleDecimationFilter

    from numpy.testing import assert_almost_equal

    input = np.sin(
        np.arange(2000, dtype=np.float64)[None, :] * 1000 * 2 * np.pi / 96000)
    output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None, :])

    inputfilter = DoubleInPointerFilter(input, False)
    decimationfilter = DoubleDecimationFilter(1)
    outputfilter = DoubleOutPointerFilter(output, False)

    inputfilter.output_sampling_rate = 96000
    decimationfilter.input_sampling_rate = 96000
    decimationfilter.output_sampling_rate = 48000
    outputfilter.input_sampling_rate = 48000

    decimationfilter.set_input_port(0, inputfilter, 0)
    outputfilter.set_input_port(0, decimationfilter, 0)

    outputfilter.process(1000)

    assert_almost_equal(input[:, ::2], output)

Example #25

File: PyATKPreamplifier_enhanced_tube_filter_test.py Project: mbrucher/AudioTK

def filter_4(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  overfilter = DoubleOversampling6points5order_4Filter()
  overfilter.input_sampling_rate = 48000
  overfilter.output_sampling_rate = 48000 * 4
  overfilter.set_input_port(0, infilter, 0)
  overdrivefilter = DoubleEnhancedKorenTriodeFilter.build_standard_filter()
  overdrivefilter.input_sampling_rate = 48000 * 4
  overdrivefilter.set_input_port(0, overfilter, 0)
  lowpassfilter = DoubleButterworthLowPassFilter()
  lowpassfilter.input_sampling_rate = 48000 * 4
  lowpassfilter.cut_frequency = 48000
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, overdrivefilter, 0)
  decimationfilter = DoubleDecimationFilter(1)
  decimationfilter.input_sampling_rate = 48000 * 4
  decimationfilter.output_sampling_rate = 48000
  decimationfilter.set_input_port(0, lowpassfilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, decimationfilter, 0)
  outfilter.process(input.shape[1])
  return output

Example #26

File: PyATKPreamplifier_leach_tube_filter_test.py Project: whztt07/AudioTK

def filter_4(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = 48000
    overfilter = DoubleOversampling6points5order_4Filter()
    overfilter.input_sampling_rate = 48000
    overfilter.output_sampling_rate = 48000 * 4
    overfilter.set_input_port(0, infilter, 0)
    overdrivefilter = DoubleLeachTriodeFilter.build_standard_filter()
    overdrivefilter.input_sampling_rate = 48000 * 4
    overdrivefilter.set_input_port(0, overfilter, 0)
    lowpassfilter = DoubleButterworthLowPassFilter()
    lowpassfilter.input_sampling_rate = 48000 * 4
    lowpassfilter.cut_frequency = 48000
    lowpassfilter.order = 5
    lowpassfilter.set_input_port(0, overdrivefilter, 0)
    decimationfilter = DoubleDecimationFilter(1)
    decimationfilter.input_sampling_rate = 48000 * 4
    decimationfilter.output_sampling_rate = 48000
    decimationfilter.set_input_port(0, lowpassfilter, 0)
    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = 48000
    outfilter.set_input_port(0, decimationfilter, 0)
    outfilter.process(input.shape[1])
    return output

Example #27

File: PyATKDistortion_sd1_overdrive_test.py Project: mbrucher/AudioTK

def filter_4(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  inputfilter = DoubleInPointerFilter(input, False)
  inputfilter.input_sampling_rate = sample_rate
  overfilter = DoubleOversampling6points5order_4Filter()
  overfilter.input_sampling_rate = sample_rate
  overfilter.output_sampling_rate = sample_rate * 4
  overfilter.set_input_port(0, inputfilter, 0)
  overdrivefilter = DoubleSD1OverdriveFilter()
  overdrivefilter.input_sampling_rate = sample_rate * 4
  overdrivefilter.set_input_port(0, overfilter, 0)
  overdrivefilter.drive = 0.9
  lowpassfilter = DoubleButterworthLowPassFilter()
  lowpassfilter.input_sampling_rate = sample_rate * 4
  lowpassfilter.cut_frequency = sample_rate
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, overdrivefilter, 0)
  decimationfilter = DoubleDecimationFilter(1)
  decimationfilter.input_sampling_rate = sample_rate * 4
  decimationfilter.output_sampling_rate = sample_rate
  decimationfilter.set_input_port(0, lowpassfilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, decimationfilter, 0)
  outfilter.process(input.shape[1])
  return output

Example #28

File: PyATKEQ_test.py Project: mbrucher/AudioTK

def DoubleBandPassCoefficientsIIRFilter_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from ATK.EQ import DoubleSecondOrderBandPassFilter

  from numpy.testing import assert_almost_equal
  
  input = np.sin(np.arange(1000, dtype=np.float64)[None,:] * 1000 * 2 * np.pi / 48000)
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None,:])

  inputfilter = DoubleInPointerFilter(input, False)
  EQfilter = DoubleSecondOrderBandPassFilter()
  outputfilter = DoubleOutPointerFilter(output, False)

  inputfilter.output_sampling_rate = 48000
  EQfilter.input_sampling_rate = 48000
  EQfilter.Q = 1
  EQfilter.cut_frequency = 1000
  outputfilter.input_sampling_rate = 48000

  EQfilter.set_input_port(0, inputfilter, 0)
  outputfilter.set_input_port(0, EQfilter, 0)

  outputfilter.process(1000)

  assert_almost_equal(input[0,500:], input[0,500] / output[0,500] * output[0,500:])

Example #29

File: PyATKDistortion_ts9_overdrive_test.py Project: whztt07/AudioTK

def filter_4(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  inputfilter = DoubleInPointerFilter(input, False)
  inputfilter.input_sampling_rate = sample_rate
  overfilter = DoubleOversampling6points5order_4Filter()
  overfilter.input_sampling_rate = sample_rate
  overfilter.output_sampling_rate = sample_rate * 4
  overfilter.set_input_port(0, inputfilter, 0)
  overdrivefilter = DoubleTS9OverdriveFilter()
  overdrivefilter.input_sampling_rate = sample_rate * 4
  overdrivefilter.set_input_port(0, overfilter, 0)
  overdrivefilter.drive = 0.9
  lowpassfilter = DoubleButterworthLowPassFilter()
  lowpassfilter.input_sampling_rate = sample_rate * 4
  lowpassfilter.cut_frequency = sample_rate
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, overdrivefilter, 0)
  decimationfilter = DoubleDecimationFilter(1)
  decimationfilter.input_sampling_rate = sample_rate * 4
  decimationfilter.output_sampling_rate = sample_rate
  decimationfilter.set_input_port(0, lowpassfilter, 0)

  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, decimationfilter, 0)
  outfilter.process(input.shape[1])
  return output

Example #30

File: PyATKDelay_stereouniversaldelay_test.py Project: mbrucher/AudioTK

def filter(inputl, inputr, blend_ch1=0, blend_ch2=0,
    feedback_ch1_ch1=0, feedback_ch1_ch2=0, feedback_ch2_ch1=0, feedback_ch2_ch2=0,
    feedforward_ch1_ch1=1, feedforward_ch1_ch2=0, feedforward_ch2_ch1=0, feedforward_ch2_ch2=1):
  import numpy as np
  outputl = np.zeros(inputl.shape, dtype=np.float64)
  outputr = np.zeros(inputl.shape, dtype=np.float64)

  infilterL = DoubleInPointerFilter(inputl, False)
  infilterL.input_sampling_rate = sample_rate
  infilterR = DoubleInPointerFilter(inputr, False)
  infilterR.input_sampling_rate = sample_rate

  delayfilter = DoubleDualMultipleUniversalFixedDelayLineFilter(5000)
  delayfilter.input_sampling_rate = sample_rate
  delayfilter.set_input_port(0, infilterL, 0)
  delayfilter.set_input_port(1, infilterR, 0)
  delayfilter.set_delay(0,4800) #50ms
  delayfilter.set_delay(1,3600) #37.5ms
  delayfilter.set_blend(0,blend_ch1)
  delayfilter.set_blend(1,blend_ch2)
  delayfilter.set_feedback(0,0,feedback_ch1_ch1)
  delayfilter.set_feedback(0,1,feedback_ch1_ch2)
  delayfilter.set_feedback(1,0,feedback_ch2_ch1)
  delayfilter.set_feedback(1,1,feedback_ch2_ch2)
  delayfilter.set_feedforward(0,0,feedforward_ch1_ch1)
  delayfilter.set_feedforward(0,1,feedforward_ch1_ch2)
  delayfilter.set_feedforward(1,0,feedforward_ch2_ch1)
  delayfilter.set_feedforward(1,1,feedforward_ch2_ch2)
  
  outfilterl = DoubleOutPointerFilter(outputl, False)
  outfilterl.input_sampling_rate = sample_rate
  outfilterl.set_input_port(0, delayfilter, 0)

  outfilterr = DoubleOutPointerFilter(outputr, False)
  outfilterr.input_sampling_rate = sample_rate
  outfilterr.set_input_port(0, delayfilter, 1)
  
  pipelineend = PipelineGlobalSinkFilter()
  pipelineend.input_sampling_rate = sample_rate
  pipelineend.add_filter(outfilterl)
  pipelineend.add_filter(outfilterr)
  pipelineend.process(inputl.shape[1])

  return outputl, outputr

Example #31

File: PyATKAdaptive_rls_filter_fir_comparison_test.py Project: mbrucher/AudioTK

  def process(self, input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = fs
    self.filter.set_input_port(0, infilter, 0)
    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = fs
    outfilter.set_input_port(0, self.filter, 0)
    outfilter.process(input.shape[1])

    return output

Example #32

File: PyATKPointer_test.py Project: whztt07/AudioTK

def DoublePointerFilter2_new_test():
    import numpy as np
    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from numpy.testing import assert_equal
    input = np.arange(1000, dtype=np.float64)
    output = np.zeros(1000, dtype=np.float64)
    inputfilter = DoubleInPointerFilter(input)
    outputfilter = DoubleOutPointerFilter(output)
    outputfilter.set_input_port(0, inputfilter, 0)
    inputfilter.output_sampling_rate = 48000
    outputfilter.input_sampling_rate = 48000
    outputfilter.process(1000)
    assert_equal(input, output)

Example #33

File: PyATKPointer_test.py Project: mbrucher/AudioTK

def DoublePointerFilter2_new_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
  from numpy.testing import assert_equal
  input = np.arange(1000, dtype=np.float64)
  output = np.zeros(1000, dtype=np.float64)
  inputfilter = DoubleInPointerFilter(input)
  outputfilter = DoubleOutPointerFilter(output)
  outputfilter.set_input_port(0, inputfilter, 0)
  inputfilter.output_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000
  outputfilter.process(1000)
  assert_equal(input, output)

Example #34

    def process(self, input):
        import numpy as np
        output = np.zeros(input.shape, dtype=np.float64)

        infilter = DoubleInPointerFilter(input, False)
        infilter.input_sampling_rate = fs
        self.filter.set_input_port(0, infilter, 0)
        outfilter = DoubleOutPointerFilter(output, False)
        outfilter.input_sampling_rate = fs
        outfilter.set_input_port(0, self.filter, 0)
        outfilter.process(input.shape[1])

        return output

Example #35

File: PyATKEQ_sd1_tone_test.py Project: whztt07/AudioTK

def tone_filter(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sampling
    tonefilter = DoubleSD1ToneFilter()
    tonefilter.input_sampling_rate = sampling
    tonefilter.set_input_port(0, infilter, 0)
    tonefilter.tone = 0.5
    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sampling
    outfilter.set_input_port(0, tonefilter, 0)
    outfilter.process(input.shape[1])
    return output, tonefilter.coefficients_in, tonefilter.coefficients_out

Example #36

File: PyATKEQ_sd1_tone_test.py Project: mbrucher/AudioTK

def tone_filter(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sampling
  tonefilter = DoubleSD1ToneFilter()
  tonefilter.input_sampling_rate = sampling
  tonefilter.set_input_port(0, infilter, 0)
  tonefilter.tone = 0.5
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sampling
  outfilter.set_input_port(0, tonefilter, 0)
  outfilter.process(input.shape[1])
  return output, tonefilter.coefficients_in, tonefilter.coefficients_out

Example #37

File: PyATKDistortion_tanhshaper_test.py Project: mbrucher/AudioTK

def filter_asym(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  inputfilter = DoubleInPointerFilter(input, False)
  inputfilter.input_sampling_rate = sample_rate
  shaperfilter = DoubleHalfTanhShaperFilter()
  shaperfilter.input_sampling_rate = sample_rate
  shaperfilter.coefficient = 2
  shaperfilter.set_input_port(0, inputfilter, 0)
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, shaperfilter, 0)
  outfilter.process(input.shape[1])
  return output

Example #38

def PipelineGlobalSinkFilter_usage_test():
  import numpy as np
  from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter, PipelineGlobalSinkFilter
  from numpy.testing import assert_equal
  input = np.ascontiguousarray(np.arange(1000, dtype=np.float64)[None,:])
  output = np.ascontiguousarray(np.zeros(1000, dtype=np.float64)[None,:])
  inputfilter = DoubleInPointerFilter(input, False)
  outputfilter = DoubleOutPointerFilter(output, False)
  outputfilter.set_input_port(0, inputfilter, 0)
  inputfilter.output_sampling_rate = 48000
  outputfilter.input_sampling_rate = 48000
  sink = PipelineGlobalSinkFilter()
  sink.add_filter(outputfilter)
  sink.input_sampling_rate = 48000
  sink.process(1000)
  assert_equal(input, output)

Example #39

File: PyATKEQ_butterworth_test.py Project: mbrucher/AudioTK

def filter_low(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  lowpassfilter = DoubleButterworthLowPassFilter()
  lowpassfilter.input_sampling_rate = 48000
  lowpassfilter.cut_frequency = 1000
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, lowpassfilter, 0)
  outfilter.process(input.shape[1])
  return output, lowpassfilter.coefficients_in, lowpassfilter.coefficients_out

Example #40

File: PyATKEQ_butterworth_test.py Project: mbrucher/AudioTK

def filter_bandstop(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  bandstopfilter = DoubleButterworthBandStopFilter()
  bandstopfilter.input_sampling_rate = 48000
  bandstopfilter.cut_frequencies = (200, 1000)
  bandstopfilter.order = 5
  bandstopfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, bandstopfilter, 0)
  outfilter.process(input.shape[1])
  return output, bandstopfilter.coefficients_in, bandstopfilter.coefficients_out

Example #41

File: PyATKDistortion_tanhshaper_test.py Project: whztt07/AudioTK

def filter_asym(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    inputfilter = DoubleInPointerFilter(input, False)
    inputfilter.input_sampling_rate = sample_rate
    shaperfilter = DoubleHalfTanhShaperFilter()
    shaperfilter.input_sampling_rate = sample_rate
    shaperfilter.coefficient = 2
    shaperfilter.set_input_port(0, inputfilter, 0)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, shaperfilter, 0)
    outfilter.process(input.shape[1])
    return output

Example #42

def filter_high(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  highpassfilter = DoubleButterworthHighPassFilter()
  highpassfilter.input_sampling_rate = 48000
  highpassfilter.cut_frequency = 1000
  highpassfilter.order = 5
  highpassfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, highpassfilter, 0)
  outfilter.process(input.shape[1])
  return output, highpassfilter.coefficients_in, highpassfilter.coefficients_out

Example #43

File: PyATKEQ_bessel_test.py Project: whztt07/AudioTK

def filter_bandstop(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  bandstopfilter = DoubleBesselBandStopFilter()
  bandstopfilter.input_sampling_rate = 48000
  bandstopfilter.cut_frequencies = (200, 1000)
  bandstopfilter.order = 5
  bandstopfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, bandstopfilter, 0)
  outfilter.process(input.shape[1])
  return output, bandstopfilter.coefficients_in, bandstopfilter.coefficients_out

Example #44

File: PyATKEQ_bessel_test.py Project: whztt07/AudioTK

def filter_low(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  lowpassfilter = DoubleBesselLowPassFilter()
  lowpassfilter.input_sampling_rate = 48000
  lowpassfilter.cut_frequency = 1000
  lowpassfilter.order = 5
  lowpassfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, lowpassfilter, 0)
  outfilter.process(input.shape[1])
  return output, lowpassfilter.coefficients_in, lowpassfilter.coefficients_out

Example #45

File: PyATKEQ_chebyshev1_test.py Project: mbrucher/AudioTK

def filter_high(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  highpassfilter = DoubleChebyshev1HighPassFilter()
  highpassfilter.input_sampling_rate = 48000
  highpassfilter.cut_frequency = 1000
  highpassfilter.order = 5
  highpassfilter.ripple = 3
  highpassfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, highpassfilter, 0)
  outfilter.process(input.shape[1])
  return output, highpassfilter.coefficients_in, highpassfilter.coefficients_out

Example #46

File: PyATKEQ_chebyshev1_test.py Project: mbrucher/AudioTK

def filter_band(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)
  
  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  bandpassfilter = DoubleChebyshev1BandPassFilter()
  bandpassfilter.input_sampling_rate = 48000
  bandpassfilter.cut_frequencies = (200, 1000)
  bandpassfilter.order = 5
  bandpassfilter.ripple = 3
  bandpassfilter.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, bandpassfilter, 0)
  outfilter.process(input.shape[1])
  return output, bandpassfilter.coefficients_in, bandpassfilter.coefficients_out

Example #47

def filter(input,
           ingain_ch1=0,
           ingain_ch2=0,
           ingain_ch3=0,
           ingain_ch4=0,
           outgain_ch1=0,
           outgain_ch2=0,
           outgain_ch3=0,
           outgain_ch4=0,
           feedback_ch1=0,
           feedback_ch2=0,
           feedback_ch3=0,
           feedback_ch4=0):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    delayfilter = DoubleQuadHadamardFeedbackDelayNetworkFilter(10000)
    delayfilter.input_sampling_rate = sample_rate
    delayfilter.set_input_port(0, infilter, 0)
    delayfilter.set_delay(0, 4800)  #50ms
    delayfilter.set_delay(1, 3600)  #37.5ms
    delayfilter.set_delay(2, 2400)  #25
    delayfilter.set_delay(3, 1200)  #12.5ms
    delayfilter.set_ingain(0, ingain_ch1)
    delayfilter.set_ingain(1, ingain_ch2)
    delayfilter.set_ingain(2, ingain_ch3)
    delayfilter.set_ingain(3, ingain_ch4)
    delayfilter.set_outgain(0, outgain_ch1)
    delayfilter.set_outgain(1, outgain_ch2)
    delayfilter.set_outgain(2, outgain_ch3)
    delayfilter.set_outgain(3, outgain_ch4)
    delayfilter.set_feedback(0, feedback_ch1)
    delayfilter.set_feedback(1, feedback_ch2)
    delayfilter.set_feedback(2, feedback_ch3)
    delayfilter.set_feedback(3, feedback_ch4)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, delayfilter, 0)
    outfilter.process(input.shape[1])

    return output

Example #48

File: PyATKAdaptive_lms_test.py Project: whztt07/AudioTK

def filter(input, reference):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = 48000
    reffilter = DoubleInPointerFilter(reference, False)
    reffilter.input_sampling_rate = 48000
    rls = DoubleLMSFilter(10)
    rls.input_sampling_rate = 48000
    rls.memory = 0.99
    rls.set_input_port(0, infilter, 0)
    rls.set_input_port(1, reffilter, 0)
    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = 48000
    outfilter.set_input_port(0, rls, 0)
    outfilter.process(input.shape[1])

    return output

Example #49

File: PyATKAdaptive_rls_test.py Project: mbrucher/AudioTK

def filter(input):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  rls = DoubleRLSFilter(10)
  rls.input_sampling_rate = 48000
  rls.memory = 0.99
  rls.learning = True
  rls.set_input_port(0, infilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, rls, 0)
  outfilter.process(1000)
  rls.learning = False
  outfilter.process(input.shape[1] - 1000)

  return output

Example #50

def filter(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = 48000
    rls = DoubleRLSFilter(10)
    rls.input_sampling_rate = 48000
    rls.memory = 0.999
    rls.learning = True
    rls.set_input_port(0, infilter, 0)
    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = 48000
    outfilter.set_input_port(0, rls, 0)
    outfilter.process(1000)
    rls.learning = False
    outfilter.process(input.shape[1] - 1000)

    return output

Example #51

File: PyATKAdaptive_blocklms_test.py Project: mbrucher/AudioTK

def filter(input, reference):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = 48000
  reffilter = DoubleInPointerFilter(reference, False)
  reffilter.input_sampling_rate = 48000
  rls = DoubleBlockLMSFilter(100)
  rls.input_sampling_rate = 48000
  rls.memory = 0.999
  rls.mu = 0.0001
  rls.set_input_port(0, infilter, 0)
  rls.set_input_port(1, reffilter, 0)
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = 48000
  outfilter.set_input_port(0, rls, 0)
  outfilter.process(input.shape[1])

  return output

Example #52

File: PyATKDelay_universaldelay_test.py Project: mbrucher/AudioTK

def filter(input, blend=0, feedback=0, feedforward=1):
  import numpy as np
  output = np.zeros(input.shape, dtype=np.float64)

  infilter = DoubleInPointerFilter(input, False)
  infilter.input_sampling_rate = sample_rate

  delayfilter = DoubleUniversalFixedDelayLineFilter(5000)
  delayfilter.input_sampling_rate = sample_rate
  delayfilter.set_input_port(0, infilter, 0)
  delayfilter.delay = 4800 #50ms
  delayfilter.blend = blend
  delayfilter.feedback = feedback
  delayfilter.feedforward = feedforward
  
  outfilter = DoubleOutPointerFilter(output, False)
  outfilter.input_sampling_rate = sample_rate
  outfilter.set_input_port(0, delayfilter, 0)
  outfilter.process(input.shape[1])

  return output

Example #53

File: PyATKDelay_universaldelay_test.py Project: whztt07/AudioTK

def filter(input, blend=0, feedback=0, feedforward=1):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    delayfilter = DoubleUniversalFixedDelayLineFilter(5000)
    delayfilter.input_sampling_rate = sample_rate
    delayfilter.set_input_port(0, infilter, 0)
    delayfilter.delay = 4800  #50ms
    delayfilter.blend = blend
    delayfilter.feedback = feedback
    delayfilter.feedforward = feedforward

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, delayfilter, 0)
    outfilter.process(input.shape[1])

    return output

Example #54

File: PyATKDynamic_coloredexpandergain_test.py Project: whztt07/AudioTK

def max_colored_filter(input,
                       ratio=4,
                       threshold=1,
                       softness=1,
                       quality=1,
                       color=1,
                       max_reduction=-10):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    input2 = input**2
    in2filter = DoubleInPointerFilter(input2, False)
    in2filter.input_sampling_rate = sample_rate

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    gainfilter = DoubleGainMaxColoredExpanderFilter(1)
    gainfilter.input_sampling_rate = sample_rate
    gainfilter.set_input_port(0, in2filter, 0)
    gainfilter.threshold = threshold
    gainfilter.ratio = ratio
    gainfilter.color = color
    gainfilter.softness = softness
    gainfilter.quality = quality
    gainfilter.max_reduction = 10**(max_reduction / 20.)

    applygainfilter = DoubleApplyGainFilter(1)
    applygainfilter.input_sampling_rate = sample_rate
    applygainfilter.set_input_port(0, gainfilter, 0)
    applygainfilter.set_input_port(1, infilter, 0)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, applygainfilter, 0)
    outfilter.process(input.shape[1])

    return output

Example #55

File: PyATKTools_Oversampling_test.py Project: whztt07/AudioTK

def filter(input):
    import numpy as np

    from ATK.Core import DoubleInPointerFilter, DoubleOutPointerFilter
    from ATK.Tools import DoubleOversampling6points5order_32Filter

    output = np.zeros((1, input.shape[0] * 32), dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    overfilter = DoubleOversampling6points5order_32Filter()
    overfilter.input_sampling_rate = sample_rate
    overfilter.output_sampling_rate = sample_rate * 32
    overfilter.set_input_port(0, infilter, 0)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate * 32
    outfilter.set_input_port(0, overfilter, 0)
    for i in range(10):
        outfilter.process(input.shape[0] * 32 // 10)

    return output

Example #56

File: PyATKTools_Tremolo_test.py Project: whztt07/AudioTK

def filter(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    sinusfilter = DoubleSinusGeneratorFilter()
    sinusfilter.input_sampling_rate = sample_rate
    sinusfilter.offset = 0.5
    sinusfilter.volume = 0.5
    sinusfilter.frequency = 10

    gainfilter = DoubleApplyGainFilter(1)
    gainfilter.input_sampling_rate = sample_rate
    gainfilter.set_input_port(0, infilter, 0)
    gainfilter.set_input_port(1, sinusfilter, 1)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, gainfilter, 0)
    outfilter.process(input.shape[0])

    return output

Example #57

File: PyATKDynamic_compressor_test.py Project: whztt07/AudioTK

def filter(input):
    import numpy as np
    output = np.zeros(input.shape, dtype=np.float64)

    infilter = DoubleInPointerFilter(input, False)
    infilter.input_sampling_rate = sample_rate

    powerfilter = DoublePowerFilter(1)
    powerfilter.input_sampling_rate = sample_rate
    powerfilter.set_input_port(0, infilter, 0)
    powerfilter.memory = np.exp(-1 / (sample_rate * 1e-3))

    attackreleasefilter = DoubleAttackReleaseFilter(1)
    attackreleasefilter.input_sampling_rate = sample_rate
    attackreleasefilter.set_input_port(0, powerfilter, 0)
    attackreleasefilter.attack = np.exp(-1 / (sample_rate * 1e-3))
    attackreleasefilter.release = np.exp(-1 / (sample_rate * 100e-3))

    gainfilter = DoubleGainCompressorFilter(1)
    gainfilter.input_sampling_rate = sample_rate
    gainfilter.set_input_port(0, attackreleasefilter, 0)
    gainfilter.threshold = 0.5
    gainfilter.ratio = 4
    gainfilter.softness = 1

    applygainfilter = DoubleApplyGainFilter(1)
    applygainfilter.input_sampling_rate = sample_rate
    applygainfilter.set_input_port(0, gainfilter, 0)
    applygainfilter.set_input_port(1, infilter, 0)

    outfilter = DoubleOutPointerFilter(output, False)
    outfilter.input_sampling_rate = sample_rate
    outfilter.set_input_port(0, applygainfilter, 0)
    outfilter.process(input.shape[1])

    return output