32 lines
927 B
Python
32 lines
927 B
Python
import numpy as np
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from . import lament
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# TODO: don't use wavfile, it breaks on perfectly good files
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import scipy.io.wavfile as wav
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import ewave
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def wav_smart_read(fn):
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lament('wav_smart_read(): DEPRECATED; use wav_read instead.')
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srate, s = wav.read(fn)
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if s.dtype != np.float64:
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bits = s.dtype.itemsize*8
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s = np.asfarray(s)/2**(bits - 1)
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return srate, s
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def wav_smart_write(fn, srate, s):
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lament('wav_smart_write(): DEPRECATED; use ewave instead.')
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si = np.zeros_like(s, dtype='int16')
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bits = si.dtype.itemsize*8
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si += np.clip(s*2**(bits - 1), -32768, 32767)
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wav.write(fn, srate, si)
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def wav_read(fn):
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with ewave.open(fn) as f:
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s = f.read()
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srate = f.sampling_rate
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if s.dtype == np.float32:
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s = np.asfarray(s)
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elif s.dtype != np.float64:
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bits = s.dtype.itemsize*8
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s = np.asfarray(s)/2**(bits - 1)
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return s, srate
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