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asdfang / HarmonizeMe

Web app to make chordal harmony to accompany a user sung input
https://asdfang.pythonanywhere.com
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Random FFT fail #2

Closed interactiveaudiolab closed 7 years ago

interactiveaudiolab commented 7 years ago

First thing I sang to the website caused the FFT function in scipy to crash.

asdfang commented 7 years ago

Error log:

127.0.0.1 - - [24/Jun/2017 11:00:52] "GET /keyData HTTP/1.1" 200 - <type 'numpy.ndarray'> /Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/numpy/core/fromnumeric.py:2889: RuntimeWarning: Mean of empty slice. out=out, kwargs) /Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/numpy/core/_methods.py:80: RuntimeWarning: invalid value encountered in double_scalars ret = ret.dtype.type(ret / rcount) Here is your random progression in halfsteps away from melodic note: [[0, -6, -9], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, -9, -12], [0, -9, -12], [0, -8, -15], [0, -8, -15], [0, -8, -15], [0, -8, -15], [0, -7, -16]] [2017-06-24 11:01:27,144] ERROR in app: Exception on /harmonizeData [POST] Traceback (most recent call last): File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/flask/app.py", line 1982, in wsgi_app response = self.full_dispatch_request() File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/flask/app.py", line 1614, in full_dispatch_request rv = self.handle_user_exception(e) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/flask/app.py", line 1517, in handle_user_exception reraise(exc_type, exc_value, tb) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/flask/app.py", line 1612, in full_dispatch_request rv = self.dispatch_request() File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/flask/app.py", line 1598, in dispatch_request return self.view_functions[rule.endpoint](req.view_args) File "/Users/asdfang/Desktop/YEAR3/17SPRING/399EECSindependentstudy/HarmonizeMe/flasktesting/examples/flask_test.py", line 43, in harmonizeData newdata = processAudioWithHarmonies(audiodata, tonic, mode) File "/Users/asdfang/Desktop/YEAR3/17SPRING/399EECSindependentstudy/HarmonizeMe/flasktesting/examples/flask_test.py", line 92, in processAudioWithHarmonies newaudio = harmonizeme(array, tonic, mode) File "/Users/asdfang/Desktop/YEAR3/17SPRING/399EECSindependentstudy/HarmonizeMe/flasktesting/examples/Harmonizer.py", line 246, in harmonizeme completedaudio, realized = harmonize(melodysd, tonic, audiospliced, mode) File "/Users/asdfang/Desktop/YEAR3/17SPRING/399EECSindependentstudy/HarmonizeMe/flasktesting/examples/Harmonizer.py", line 293, in harmonize npchord.append(librosa.effects.pitch_shift(melodynote, 44100, n_steps = prog_hs[ii][2])) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/librosa/effects.py", line 274, in pitch_shift y_shift = core.resample(time_stretch(y, rate), float(sr) / rate, sr) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/librosa/core/audio.py", line 287, in resample y_hat = scipy.signal.resample(y, n_samples, axis=-1) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/scipy/signal/signaltools.py", line 1722, in resample X = fftpack.fft(x, axis=axis) File "/Users/asdfang/miniconda2/envs/HarmonizeMe/lib/python2.7/site-packages/scipy/fftpack/basic.py", line 269, in fft "(%d) specified." % n) ValueError: Invalid number of FFT data points (0) specified.