Ale*_*lex 9 python wav riff mime-types
尝试在 python 中打开 RIFF 文件(据我所知它是一种 WAV)时出现此错误。
Failed to open file file.wav as a WAV due to: file does not start with RIFF id
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当我用各种工具检查它这使我相信,这是一个真正的WAV / RIFF文件。
$ file file.wav
file.wav: MBWF/RF64 audio, stereo 96000 Hz
$ file -i file.wav
file.wav: audio/x-wav; charset=binary
$ mediainfo file.wav
General
Complete name : file.wav
Format : Wave
Format profile : RF64
File size : 4.10 GiB
Duration : 2h 7mn
Overall bit rate mode : Constant
Overall bit rate : 4 608 Kbps
Audio
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Signed
Codec ID : 1
Duration : 2h 7mn
Bit rate mode : Constant
Bit rate : 4 608 Kbps
Channel(s) : 2 channels
Sampling rate : 96.0 KHz
Bit depth : 24 bits
Stream size : 4.10 GiB (100%)
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如果你的音频没问题,并且你能够使用 librosa 或 scipy.io 读取该文件,我们可以简单地读取该文件,将其写回临时 wav 文件,然后再次使用 Wave 包读取它。
例子。下面,我们得到 RIFF id 错误。
>>> import wave
>>> wave.open('./SA1.WAV')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/pytorch/anaconda3/lib/python3.6/wave.py", line 499, in open
return Wave_read(f)
File "/home/pytorch/anaconda3/lib/python3.6/wave.py", line 163, in __init__
self.initfp(f)
File "/home/pytorch/anaconda3/lib/python3.6/wave.py", line 130, in initfp
raise Error('file does not start with RIFF id')
wave.Error: file does not start with RIFF id
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我们用 librosa 读入 numpy,用声音文件写回。
import librosa
import soundfile as sf
>>> x,_ = librosa.load('./SA1.WAV', sr=16000)
>>> sf.write('tmp.wav', x, 16000)
>>> wave.open('tmp.wav','r')
<wave.Wave_read object at 0x7fbcb4c8cf28>
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