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
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
def filter(input): import numpy as np output = np.zeros(input.shape, dtype=np.float64) infilter = DoubleInPointerFilter(input, False) infilter.set_input_sampling_rate(sample_rate) powerfilter = DoublePowerFilter(1) powerfilter.set_input_sampling_rate(sample_rate) powerfilter.set_input_port(0, infilter, 0) powerfilter.set_memory(0) attackreleasefilter = DoubleAttackReleaseFilter(1) attackreleasefilter.set_input_sampling_rate(sample_rate) attackreleasefilter.set_input_port(0, powerfilter, 0) attackreleasefilter.set_attack(0) attackreleasefilter.set_release(np.exp(-1/(sample_rate*10e-3))) gainfilter = DoubleGainCompressorFilter(1) gainfilter.set_input_sampling_rate(sample_rate) gainfilter.set_input_port(0, attackreleasefilter, 0) gainfilter.set_threshold(0.0099) gainfilter.set_ratio(10000) gainfilter.set_softness(1) applygainfilter = DoubleApplyGainFilter(1) applygainfilter.set_input_sampling_rate(sample_rate) applygainfilter.set_input_port(0, gainfilter, 0) applygainfilter.set_input_port(1, infilter, 0) outfilter = DoubleOutPointerFilter(output, False) outfilter.set_input_sampling_rate(sample_rate) outfilter.set_input_port(0, applygainfilter, 0) outfilter.process(input.shape[1]) return output
hffilter = DoubleButterworthBandPassFilter() hffilter.set_input_sampling_rate(sampling_rate) hffilter.set_cut_frequencies(1000, 5000) hffilter.set_order(5) hffilter.set_input_port(0, infilter, 0) derivativefilter = DoubleDerivativeFilter() derivativefilter.set_input_sampling_rate(sampling_rate) derivativefilter.set_input_port(0, hffilter, 0) powerfilter = DoublePowerFilter(1) powerfilter.set_input_sampling_rate(sampling_rate) powerfilter.set_input_port(0, derivativefilter, 0) powerfilter.set_memory(np.exp(-1 / (sampling_rate * 1e-3))) fastattackreleasefilter = DoubleAttackReleaseFilter(1) fastattackreleasefilter.set_input_sampling_rate(sampling_rate) fastattackreleasefilter.set_input_port(0, powerfilter, 0) fastattackreleasefilter.set_attack(np.exp(-1 / (sampling_rate * 1e-3))) fastattackreleasefilter.set_release(np.exp(-1 / (sampling_rate * 50.e-3))) slowattackreleasefilter = DoubleAttackReleaseFilter(1) slowattackreleasefilter.set_input_sampling_rate(sampling_rate) slowattackreleasefilter.set_input_port(0, powerfilter, 0) slowattackreleasefilter.set_attack(np.exp(-1 / (sampling_rate * 5e-3))) slowattackreleasefilter.set_release(np.exp(-1 / (sampling_rate * 50.e-3))) volumefilter = DoubleVolumeFilter(1) volumefilter.set_input_sampling_rate(sampling_rate) volumefilter.set_volume(-1) volumefilter.set_input_port(0, slowattackreleasefilter, 0)
# get from http://www.telefunken-elektroakustik.com/download/brew/ filename = "Break Ca-01.wav" sampling_rate, data = wavfile.read(filename) processsize = len(data) data = data.reshape(-1, 1) infilter = Int16InPointerFilter(data, True) infilter.set_output_sampling_rate(sampling_rate) powerfilter = DoublePowerFilter(1) powerfilter.set_input_sampling_rate(sampling_rate) powerfilter.set_input_port(0, infilter, 0) powerfilter.set_memory(np.exp(-1 / (sampling_rate * .1e-3))) attackreleasefilter = DoubleAttackReleaseFilter(1) attackreleasefilter.set_input_sampling_rate(sampling_rate) attackreleasefilter.set_input_port(0, powerfilter, 0) attackreleasefilter.set_attack(np.exp(-1 / (sampling_rate * 1e-3))) attackreleasefilter.set_release(np.exp(-1 / (sampling_rate * 100e-3))) gainfilter = DoubleGainCompressorFilter(1) gainfilter.set_input_sampling_rate(sampling_rate) gainfilter.set_input_port(0, attackreleasefilter, 0) gainfilter.set_threshold(.2) gainfilter.set_ratio(10) gainfilter.set_softness(1) applygainfilter = DoubleApplyGainFilter(1) applygainfilter.set_input_sampling_rate(sampling_rate) applygainfilter.set_input_port(0, gainfilter, 0)
infilterl.set_output_sampling_rate(sampling_rate) infilterr = Int32InPointerFilter(datar, True) infilterr.set_output_sampling_rate(sampling_rate) msfilter = FloatMiddleSideFilter() msfilter.set_input_sampling_rate(sampling_rate) msfilter.set_input_port(0, infilterl, 0) msfilter.set_input_port(1, infilterr, 0) powerfilter = DoublePowerFilter(2) powerfilter.set_input_sampling_rate(sampling_rate) powerfilter.set_input_port(0, msfilter, 0) powerfilter.set_input_port(1, msfilter, 1) powerfilter.set_memory(np.exp(-1/(sampling_rate*.1e-3))) attackreleasefilterm = DoubleAttackReleaseFilter(1) attackreleasefilterm.set_input_sampling_rate(sampling_rate) attackreleasefilterm.set_input_port(0, powerfilter, 0) attackreleasefilterm.set_attack(np.exp(-1/(sampling_rate*1e-3))) attackreleasefilterm.set_release(np.exp(-1/(sampling_rate*100e-3))) attackreleasefilters = DoubleAttackReleaseFilter(1) attackreleasefilters.set_input_sampling_rate(sampling_rate) attackreleasefilters.set_input_port(0, powerfilter, 1) attackreleasefilters.set_attack(np.exp(-1/(sampling_rate*10e-3))) attackreleasefilters.set_release(np.exp(-1/(sampling_rate*1000e-3))) gainfilter = DoubleGainCompressorFilter(2) gainfilter.set_input_sampling_rate(sampling_rate) gainfilter.set_input_port(0, attackreleasefilterm, 0) gainfilter.set_input_port(1, attackreleasefilters, 0)
