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author | John Glover <glover.john@gmail.com> | 2010-10-21 13:39:28 +0100 |
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committer | John Glover <glover.john@gmail.com> | 2010-10-21 13:39:28 +0100 |
commit | ce65c30264be9683dd3a59b35730d2f31e02d37f (patch) | |
tree | 90aaf2e77526af9ba099e76175956d0dd6a37633 /tests/testsms.py | |
parent | b46b988f164f983fc889c7bc0c96953e4609d27a (diff) | |
download | simpl-ce65c30264be9683dd3a59b35730d2f31e02d37f.tar.gz simpl-ce65c30264be9683dd3a59b35730d2f31e02d37f.tar.bz2 simpl-ce65c30264be9683dd3a59b35730d2f31e02d37f.zip |
Changed from floats to doubles in the C/C++ code, makes Python integration a bit easier. Fixed a bug that would cause SndObjSynthesis to crash if peak values were floats.
Diffstat (limited to 'tests/testsms.py')
-rw-r--r-- | tests/testsms.py | 612 |
1 files changed, 0 insertions, 612 deletions
diff --git a/tests/testsms.py b/tests/testsms.py deleted file mode 100644 index 7c1c0b3..0000000 --- a/tests/testsms.py +++ /dev/null @@ -1,612 +0,0 @@ -# Copyright (c) 2009 John Glover, National University of Ireland, Maynooth -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -import unittest -from simpl import pysms as simplsms -import simpl -import pysms -from scipy.io.wavfile import read -import numpy as np - -FLOAT_PRECISION = 3 # number of decimal places to check for accuracy -input_file = 'audio/flute.wav' -audio_in_data = read(input_file) -audio_in = np.asarray(audio_in_data[1], np.float32) / 32768.0 -sampling_rate = audio_in_data[0] -frame_size = 2048 -hop_size = 256 -num_frames = 5 -max_peaks = 10 -max_partials = 3 -num_samples = frame_size + ((num_frames - 1) * hop_size) -audio_in = audio_in[0:num_samples] - -def print_partials(partials): - for partial in partials: - print [p.frequency for p in partial.peaks], ":", partial.starting_frame - -class TestSimplSMS(unittest.TestCase): - - def test_size_next_read(self): - """test_size_next_read - Make sure pysms PeakDetection is calculating - the correct value for the size of the next frame.""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - analysis_params = pysms.SMS_AnalParams() - snd_header = pysms.SMS_SndHeader() - # Try to open the input file to fill snd_header - if(pysms.sms_openSF(input_file, snd_header)): - raise NameError("error opening sound file: " + pysms.sms_errorString()) - analysis_params.iSamplingRate = sampling_rate - analysis_params.iFrameRate = sampling_rate / hop_size - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.peakParams.iMaxPeaks = max_peaks - analysis_params.iMaxDelayFrames = num_frames + 1 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - pysms.sms_initAnalysis(analysis_params, snd_header) - sms_header.nStochasticCoeff = 128 - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - - sample_offset = 0 - pysms_size_new_data = 0 - current_frame = 0 - sms_next_read_sizes = [] - - while current_frame < num_frames: - sms_next_read_sizes.append(analysis_params.sizeNextRead) - sample_offset += pysms_size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - pysms_size_new_data = analysis_params.sizeNextRead - else: - pysms_size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + pysms_size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - # as the no. of frames of delay is > num_frames, sms_analyze should - # never get around to performing partial tracking, and so the return - # value should be 0 - self.assertEquals(status, 0) - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_closeSF() - pysms.sms_free() - - pd = simpl.SMSPeakDetection() - pd.hop_size = hop_size - current_frame = 0 - sample_offset = 0 - size_new_data = 0 - - while current_frame < num_frames: - self.assertEquals(sms_next_read_sizes[current_frame], pd.frame_size) - sample_offset += size_new_data - size_new_data = pd.frame_size - pd.find_peaks_in_frame(audio_in[sample_offset:sample_offset + size_new_data]) - pd.frame_size = pd._analysis_params.sizeNextRead - current_frame += 1 - - def test_peak_detection(self): - """test_peak_detection - Compare pysms Peaks with SMS peaks. Exact peak - information cannot be retrieved using libsms. Basic peak detection - is performed by sms_detectPeaks, but this is called multiple times - with different frame sizes by sms_analyze. This peak data cannot - be returned from sms_analyze without modifying it, so here - we compare the peaks to a slightly modified version of sms_analyze - from pysms. The peak values should be the same as those found by - the pysms find_peaks function. Analyses have to be performed - separately due to libsms implementation issues.""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - analysis_params = pysms.SMS_AnalParams() - analysis_params.iSamplingRate = sampling_rate - analysis_params.iFrameRate = sampling_rate / hop_size - sms_header.nStochasticCoeff = 128 - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.iMaxDelayFrames = num_frames + 1 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - analysis_params.iFormat = pysms.SMS_FORMAT_HP - analysis_params.nTracks = max_peaks - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - simplsms.sms_initAnalysis(analysis_params) - analysis_params.peakParams.iMaxPeaks = max_peaks - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - - sample_offset = 0 - size_new_data = 0 - current_frame = 0 - sms_peaks = [] - - while current_frame < num_frames: - sample_offset += size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - size_new_data = analysis_params.sizeNextRead - else: - size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - # as the no. of frames of delay is > num_frames, sms_analyze should - # never get around to performing partial tracking, and so the return - # value should be 0 - self.assertEquals(status, 0) - num_peaks = analysis_data.nTracks - frame_peaks = [] - pysms_freqs = simpl.zeros(num_peaks) - pysms_amps = simpl.zeros(num_peaks) - pysms_phases = simpl.zeros(num_peaks) - analysis_data.getSinFreq(pysms_freqs) - analysis_data.getSinAmp(pysms_amps) - analysis_data.getSinPhase(pysms_phases) - for i in range(num_peaks): - p = simpl.Peak() - p.amplitude = pysms_amps[i] - p.frequency = pysms_freqs[i] - p.phase = pysms_phases[i] - frame_peaks.append(p) - sms_peaks.append(frame_peaks) - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_free() - - pd = simpl.SMSPeakDetection() - pd.hop_size = hop_size - pd.max_peaks = max_peaks - current_frame = 0 - sample_offset = 0 - size_new_data = 0 - pysms_peaks = [] - - while current_frame < num_frames: - sample_offset += size_new_data - size_new_data = pd.frame_size - pysms_peaks.append( - pd.find_peaks_in_frame(audio_in[sample_offset:sample_offset + size_new_data])) - pd.frame_size = pd._analysis_params.sizeNextRead - current_frame += 1 - - # make sure we have the same number of frames - self.assertEquals(len(sms_peaks), len(pysms_peaks)) - - for frame_number in range(len(sms_peaks)): - sms_frame = sms_peaks[frame_number] - pysms_frame = pysms_peaks[frame_number] - # make sure we have the same number of peaks in each frame - self.assertEquals(len(sms_frame), len(pysms_frame)) - # check peak values - for peak_number in range(len(sms_frame)): - sms_peak = sms_frame[peak_number] - pysms_peak = pysms_frame[peak_number] - self.assertAlmostEquals(sms_peak.amplitude, pysms_peak.amplitude, - places=FLOAT_PRECISION) - self.assertAlmostEquals(sms_peak.frequency, pysms_peak.frequency, - places=FLOAT_PRECISION) - self.assertAlmostEquals(sms_peak.phase, pysms_peak.phase, - places=FLOAT_PRECISION) - - def test_partial_tracking(self): - """test_partial_tracking - Compare pysms Partials with SMS partials.""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - snd_header = pysms.SMS_SndHeader() - # Try to open the input file to fill snd_header - if(pysms.sms_openSF(input_file, snd_header)): - raise NameError("error opening sound file: " + pysms.sms_errorString()) - analysis_params = pysms.SMS_AnalParams() - analysis_params.iSamplingRate = sampling_rate - analysis_params.iFrameRate = sampling_rate / hop_size - sms_header.nStochasticCoeff = 128 - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.iMaxDelayFrames = 3 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - analysis_params.iFormat = pysms.SMS_FORMAT_HP - analysis_params.nTracks = max_partials - analysis_params.nGuides = max_partials - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - pysms.sms_initAnalysis(analysis_params, snd_header) - analysis_params.nFrames = num_samples / hop_size - analysis_params.iSizeSound = num_samples - analysis_params.peakParams.iMaxPeaks = max_peaks - analysis_params.iStochasticType = pysms.SMS_STOC_NONE - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - - sample_offset = 0 - size_new_data = 0 - current_frame = 0 - sms_partials = [] - live_partials = [None for i in range(max_partials)] - do_analysis = True - - while do_analysis and (current_frame < num_frames): - sample_offset += size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - size_new_data = analysis_params.sizeNextRead - else: - size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - - if status == 1: - num_partials = analysis_data.nTracks - pysms_freqs = simpl.zeros(num_partials) - pysms_amps = simpl.zeros(num_partials) - pysms_phases = simpl.zeros(num_partials) - analysis_data.getSinFreq(pysms_freqs) - analysis_data.getSinAmp(pysms_amps) - analysis_data.getSinPhase(pysms_phases) - # make partial objects - for i in range(num_partials): - # for each partial, if the mag is > 0, this partial is alive - if pysms_amps[i] > 0: - # create a peak object - p = simpl.Peak() - p.amplitude = pysms_amps[i] - p.frequency = pysms_freqs[i] - p.phase = pysms_phases[i] - # add this peak to the appropriate partial - if not live_partials[i]: - live_partials[i] = simpl.Partial() - live_partials[i].starting_frame = current_frame - sms_partials.append(live_partials[i]) - live_partials[i].add_peak(p) - # if the mag is 0 and this partial was alive, kill it - else: - if live_partials[i]: - live_partials[i] = None - elif status == -1: - do_analysis = False - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_closeSF() - pysms.sms_free() - - pd = simpl.SMSPeakDetection() - pd.max_peaks = max_peaks - pd.hop_size = hop_size - peaks = pd.find_peaks(audio_in) - pt = simpl.SMSPartialTracking() - pt.max_partials = max_partials - partials = pt.find_partials(peaks[0:num_frames]) - - # make sure both have the same number of partials - self.assertEquals(len(sms_partials), len(partials)) - - # make sure each partial is the same - for i in range(len(sms_partials)): - self.assertEquals(sms_partials[i].get_length(), partials[i].get_length()) - for peak_number in range(sms_partials[i].get_length()): - self.assertAlmostEquals(sms_partials[i].peaks[peak_number].amplitude, - partials[i].peaks[peak_number].amplitude, - places = FLOAT_PRECISION) - self.assertAlmostEquals(sms_partials[i].peaks[peak_number].frequency, - partials[i].peaks[peak_number].frequency, - places = FLOAT_PRECISION) - self.assertAlmostEquals(sms_partials[i].peaks[peak_number].phase, - partials[i].peaks[peak_number].phase, - places = FLOAT_PRECISION) - - def test_interpolate_frames(self): - """test_interpolate_frames - Make sure that pysms.sms_interpolateFrames returns the expected values - with interpolation factors of 0 and 1.""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - snd_header = pysms.SMS_SndHeader() - # Try to open the input file to fill snd_header - if(pysms.sms_openSF(input_file, snd_header)): - raise NameError("error opening sound file: " + pysms.sms_errorString()) - analysis_params = pysms.SMS_AnalParams() - analysis_params.iSamplingRate = 44100 - analysis_params.iFrameRate = sampling_rate / hop_size - sms_header.nStochasticCoeff = 128 - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.iMaxDelayFrames = 3 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - analysis_params.iFormat = pysms.SMS_FORMAT_HP - analysis_params.nTracks = max_partials - analysis_params.nGuides = max_partials - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - pysms.sms_initAnalysis(analysis_params, snd_header) - analysis_params.nFrames = num_samples / hop_size - analysis_params.iSizeSound = num_samples - analysis_params.peakParams.iMaxPeaks = max_peaks - analysis_params.iStochasticType = pysms.SMS_STOC_NONE - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - interp_frame = pysms.SMS_Data() - pysms.sms_allocFrame(interp_frame, sms_header.nTracks, sms_header.nStochasticCoeff, 1, sms_header.iStochasticType, 0) - - sample_offset = 0 - size_new_data = 0 - current_frame = 0 - sms_header.nFrames = num_frames - analysis_frames = [] - do_analysis = True - - while do_analysis and (current_frame < num_frames): - sample_offset += size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - size_new_data = analysis_params.sizeNextRead - else: - size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - - if status == 1: - analysis_frames.append(analysis_data) - # test interpolateFrames on the last two analysis frames - if current_frame == num_frames - 1: - left_frame = analysis_frames[-2] - right_frame = analysis_frames[-1] - pysms.sms_interpolateFrames(left_frame, right_frame, interp_frame, 0) - # make sure that interp_frame == left_frame - # interpolateFrames doesn't interpolate phases so ignore - left_amps = simpl.zeros(max_partials) - left_freqs = simpl.zeros(max_partials) - left_frame.getSinAmp(left_amps) - left_frame.getSinFreq(left_freqs) - right_amps = simpl.zeros(max_partials) - right_freqs = simpl.zeros(max_partials) - right_frame.getSinAmp(right_amps) - right_frame.getSinFreq(right_freqs) - interp_amps = simpl.zeros(max_partials) - interp_freqs = simpl.zeros(max_partials) - interp_frame.getSinAmp(interp_amps) - interp_frame.getSinFreq(interp_freqs) - for i in range(max_partials): - self.assertAlmostEquals(left_amps[i], interp_amps[i], - places = FLOAT_PRECISION) - if left_freqs[i] != 0: - self.assertAlmostEquals(left_freqs[i], interp_freqs[i], - places = FLOAT_PRECISION) - else: - self.assertAlmostEquals(right_freqs[i], interp_freqs[i], - places = FLOAT_PRECISION) - pysms.sms_interpolateFrames(left_frame, right_frame, interp_frame, 1) - interp_amps = simpl.zeros(max_partials) - interp_freqs = simpl.zeros(max_partials) - interp_frame.getSinAmp(interp_amps) - interp_frame.getSinFreq(interp_freqs) - for i in range(max_partials): - self.assertAlmostEquals(right_amps[i], interp_amps[i], - places = FLOAT_PRECISION) - if right_freqs[i] != 0: - self.assertAlmostEquals(right_freqs[i], interp_freqs[i], - places = FLOAT_PRECISION) - else: - self.assertAlmostEquals(left_freqs[i], interp_freqs[i], - places = FLOAT_PRECISION) - elif status == -1: - raise Exception("AnalysisStoppedEarly") - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_closeSF() - - def test_harmonic_synthesis(self): - """test_harmonic_synthesis - Compare pysms synthesised harmonic component with SMS synthesised - harmonic component.""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - snd_header = pysms.SMS_SndHeader() - # Try to open the input file to fill snd_header - if(pysms.sms_openSF(input_file, snd_header)): - raise NameError("error opening sound file: " + pysms.sms_errorString()) - analysis_params = pysms.SMS_AnalParams() - analysis_params.iSamplingRate = 44100 - analysis_params.iFrameRate = sampling_rate / hop_size - sms_header.nStochasticCoeff = 128 - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.iMaxDelayFrames = 3 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - analysis_params.iFormat = pysms.SMS_FORMAT_HP - analysis_params.nTracks = max_partials - analysis_params.nGuides = max_partials - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - pysms.sms_initAnalysis(analysis_params, snd_header) - analysis_params.nFrames = num_samples / hop_size - analysis_params.iSizeSound = num_samples - analysis_params.peakParams.iMaxPeaks = max_peaks - analysis_params.iStochasticType = pysms.SMS_STOC_NONE - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - - sample_offset = 0 - size_new_data = 0 - current_frame = 0 - sms_header.nFrames = num_frames - analysis_frames = [] - do_analysis = True - - while do_analysis and (current_frame < num_frames): - sample_offset += size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - size_new_data = analysis_params.sizeNextRead - else: - size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - analysis_frames.append(analysis_data) - if status == -1: - do_analysis = False - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_closeSF() - - interp_frame = pysms.SMS_Data() - synth_params = pysms.SMS_SynthParams() - synth_params.iSynthesisType = pysms.SMS_STYPE_DET - synth_params.iDetSynthType = pysms.SMS_DET_SIN - synth_params.sizeHop = hop_size - synth_params.iSamplingRate = 0 - - pysms.sms_initSynth(sms_header, synth_params) - pysms.sms_allocFrame(interp_frame, sms_header.nTracks, sms_header.nStochasticCoeff, 1, sms_header.iStochasticType, sms_header.nEnvCoeff) - - synth_samples = pysms.zeros(synth_params.sizeHop) - num_synth_samples = 0 - target_synth_samples = len(analysis_frames) * hop_size - pysms_audio = pysms.array([]) - current_frame = 0 - - while num_synth_samples < target_synth_samples: - pysms.sms_synthesize(analysis_frames[current_frame], synth_samples, synth_params) - pysms_audio = np.hstack((pysms_audio, synth_samples)) - num_synth_samples += synth_params.sizeHop - current_frame += 1 - - pysms.sms_freeSynth(synth_params) - pysms.sms_free() - - pd = simpl.SMSPeakDetection() - pd.max_peaks = max_peaks - pd.hop_size = hop_size - pt = simpl.SMSPartialTracking() - pt.max_partials = max_partials - peaks = pd.find_peaks(audio_in) - partials = pt.find_partials(peaks[0:num_frames]) - synth = simpl.SMSSynthesis() - synth.hop_size = hop_size - synth.stochastic_type = pysms.SMS_STOC_NONE - synth.synthesis_type = pysms.SMS_STYPE_DET - synth.max_partials = max_partials - simpl_audio = synth.synth(partials) - - self.assertEquals(pysms_audio.size, simpl_audio.size) - for i in range(simpl_audio.size): - self.assertAlmostEquals(pysms_audio[i], simpl_audio[i], - places = FLOAT_PRECISION) - - def test_residual_synthesis(self): - """test_residual_synthesis - Compare pysms residual signal with SMS residual""" - pysms.sms_init() - sms_header = pysms.SMS_Header() - snd_header = pysms.SMS_SndHeader() - # Try to open the input file to fill snd_header - if(pysms.sms_openSF(input_file, snd_header)): - raise NameError("error opening sound file: " + pysms.sms_errorString()) - analysis_params = pysms.SMS_AnalParams() - analysis_params.iSamplingRate = 44100 - analysis_params.iFrameRate = sampling_rate / hop_size - sms_header.nStochasticCoeff = 128 - analysis_params.fDefaultFundamental = 100 - analysis_params.fHighestFreq = 20000 - analysis_params.iMaxDelayFrames = 3 - analysis_params.analDelay = 0 - analysis_params.minGoodFrames = 1 - analysis_params.iFormat = pysms.SMS_FORMAT_HP - analysis_params.nTracks = max_partials - analysis_params.nGuides = max_partials - analysis_params.iWindowType = pysms.SMS_WIN_HAMMING - pysms.sms_initAnalysis(analysis_params, snd_header) - analysis_params.nFrames = num_samples / hop_size - analysis_params.iSizeSound = num_samples - analysis_params.peakParams.iMaxPeaks = max_peaks - analysis_params.iStochasticType = pysms.SMS_STOC_APPROX - pysms.sms_fillHeader(sms_header, analysis_params, "pysms") - - sample_offset = 0 - size_new_data = 0 - current_frame = 0 - sms_header.nFrames = num_frames - analysis_frames = [] - do_analysis = True - - while do_analysis and (current_frame < num_frames-1): - sample_offset += size_new_data - if((sample_offset + analysis_params.sizeNextRead) < num_samples): - size_new_data = analysis_params.sizeNextRead - else: - size_new_data = num_samples - sample_offset - frame = audio_in[sample_offset:sample_offset + size_new_data] - analysis_data = pysms.SMS_Data() - pysms.sms_allocFrameH(sms_header, analysis_data) - status = pysms.sms_analyze(frame, analysis_data, analysis_params) - analysis_frames.append(analysis_data) - if status == -1: - do_analysis = False - current_frame += 1 - - pysms.sms_freeAnalysis(analysis_params) - pysms.sms_closeSF() - pysms.sms_free() - - pd = simpl.SMSPeakDetection() - pd.max_peaks = max_peaks - pd.hop_size = hop_size - pt = simpl.SMSPartialTracking() - pt.max_partials = max_partials - peaks = pd.find_peaks(audio_in) - partials = pt.find_partials(peaks[0:num_frames]) - synth = simpl.SMSSynthesis() - synth.hop_size = hop_size - synth.stochastic_type = pysms.SMS_STOC_NONE - synth.synthesis_type = pysms.SMS_STYPE_DET - synth.max_partials = max_partials - simpl_harmonic = synth.synth(partials) - res = simpl.SMSResidual() - res.num_coefficients = 128 - res.type = simpl.SMSResidual.TIME_DOMAIN - residual = res.find_residual(simpl_harmonic, audio_in[0:simpl_harmonic.size]) -# print_partials(partials) -# print simpl_harmonic.size -# for i in range(residual.size): -# print residual[i] -# for i in range(simpl_harmonic.size): -# print simpl_harmonic[i] -# from pylab import plot, show -# plot(simpl_harmonic) -# plot(residual) -# plot(audio_in[0:simpl_harmonic.size]) -# show() -# from scipy.io.wavfile import write -# write("res.wav", 44100, residual) -# res.synth(simpl_harmonic, audio_in) - -if __name__ == '__main__': - suite = unittest.TestSuite() - suite.addTest(TestSimplSMS('test_size_next_read')) - suite.addTest(TestSimplSMS('test_peak_detection')) - suite.addTest(TestSimplSMS('test_partial_tracking')) - suite.addTest(TestSimplSMS('test_interpolate_frames')) - suite.addTest(TestSimplSMS('test_harmonic_synthesis')) - suite.addTest(TestSimplSMS('test_residual_synthesis')) - unittest.TextTestRunner().run(suite)
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