Пример #1
0
def measure_ess(fs, n_meas, n_chan, f_start, f_stop, t_sweep):
    # calls the ESS Measurement

    import ess_method, audio_io, numpy, time

    ir_r_raw = numpy.array([])
    ir_l_raw = numpy.array([])

    # creating ESS Signal
    meas_sig = ess_method.generate_ess(fs, f_start, f_stop, t_sweep)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    for i in xrange(n_meas + 1):

        print("Measurement No.", i)

        #t_sweep*1000 is half the time to record in ms
        audio_io.meas_run(fs, n_chan, meas_sig, int(t_sweep * 1000), i)

    #closing audio device
    audio_io.audio_close()

    ir_l_avg, ir_r_avg = average_ir_ess(n_meas, n_chan)

    return (ir_l_avg, ir_r_avg)
Пример #2
0
def measure_ess(fs, n_meas, n_chan, f_start, f_stop, t_sweep):
    # calls the ESS Measurement

    import ess_method, audio_io, numpy, time

    ir_r_raw = numpy.array([])
    ir_l_raw = numpy.array([])

    # creating ESS Signal
    meas_sig = ess_method.generate_ess(fs, f_start, f_stop, t_sweep)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    for i in xrange(n_meas + 1):

        print ("Measurement No.", i)

        # t_sweep*1000 is half the time to record in ms
        audio_io.meas_run(fs, n_chan, meas_sig, int(t_sweep * 1000), i)

    # closing audio device
    audio_io.audio_close()

    ir_l_avg, ir_r_avg = average_ir_ess(n_meas, n_chan)

    return (ir_l_avg, ir_r_avg)
Пример #3
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def measure_sds(fs, n_chan, f_sine1, f_sine2, t_meas):

    # calls the SDS Measurement

    import sds_method, audio_io, numpy

    # creating ESS Signal
    meas_sig = sds_method.generate_sds(fs, f_sine1, f_sine2, t_meas)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    #t_sweep*1000 is half the time to record in ms
    audio_io.meas_run(fs, n_chan, meas_sig, int(t_meas * 1000), 0)

    #closing audio device
    audio_io.audio_close()

    resp_l, resp_r = sds_method.compute_resp(n_chan)

    return (resp_l, resp_r)
Пример #4
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def measure_sds(fs, n_chan, f_sine1, f_sine2, t_meas):

    # calls the SDS Measurement

    import sds_method, audio_io, numpy

    # creating ESS Signal
    meas_sig = sds_method.generate_sds(fs, f_sine1, f_sine2, t_meas)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    # t_sweep*1000 is half the time to record in ms
    audio_io.meas_run(fs, n_chan, meas_sig, int(t_meas * 1000), 0)

    # closing audio device
    audio_io.audio_close()

    resp_l, resp_r = sds_method.compute_resp(n_chan)

    return (resp_l, resp_r)
Пример #5
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def measure_mls(fs, rt60, n_meas, n_chan):
    # calls the MLS Measurement

    import mls_method, audio_io, numpy, time

    # creating MLS Signal
    meas_sig = mls_method.mls_gen(rt60, fs)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    for i in xrange(n_meas + 1):

        print("Measurement No.", i)

        audio_io.meas_run(fs, n_chan, meas_sig, rt60, i)

    #closing audio device
    audio_io.audio_close()

    ir_l_avg, ir_r_avg = average_ir_mls(n_meas, n_chan)

    return (ir_l_avg, ir_r_avg)
Пример #6
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def measure_mls(fs, rt60, n_meas, n_chan):
    # calls the MLS Measurement

    import mls_method, audio_io, numpy, time

    # creating MLS Signal
    meas_sig = mls_method.mls_gen(rt60, fs)

    # open audio device
    audio_io.audio_open(fs, n_chan)

    for i in xrange(n_meas + 1):

        print ("Measurement No.", i)

        audio_io.meas_run(fs, n_chan, meas_sig, rt60, i)

    # closing audio device
    audio_io.audio_close()

    ir_l_avg, ir_r_avg = average_ir_mls(n_meas, n_chan)

    return (ir_l_avg, ir_r_avg)