对音频文件的处理：音频信息，读取内容，获取时长，切割音频，pcm与wav互转

文章简介：公众号-Python疯子 https://mp.weixin.qq.com/s/Kw_n3RgYfZCn_0ZOJpaxHg

ret = wav_infos(wav_path) print(ret)

ret = read_wav(wav_path) print(ret)

ret = get_wav_time(wav_path) print(ret)

start_time = 13950 end_time = 15200 get_ms_part_wav(main_wav_path, start_time, end_time, part_wav_path)

start_time = 35 end_time = 38 get_second_part_wav(main_wav_path, start_time, end_time, second_part_wav_path)

start_time = "0:35" end_time = "0:38" get_minute_part_wav(main_wav_path, start_time, end_time, minute_part_wav_path)

wav_to_pcm(wav_path, pcm_path)

pcm_to_wav(pcm_path, wav_path2)