获取音频信息：
with wave.open(audio_path, "rb") as f:
f = wave.open(audio_path)
print(f.getparams())
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# 返回内容
_wave_params(nchannels=1, sampwidth=2, framerate=16000, nframes=148640, comptype='NONE', compname='not compressed')
nchannels：声道数
sampwidth：采样宽度
framerate：帧速率，8K，16K
nframes：帧数
comptype：唯一标识
compname：无损
