[英]How do I split an audio file at the end of a silence, without deleting silence, using pydub?
Python初学者正在寻求帮助。
我正在使用pydub的静音模块来拆分和导出音频文件的块。 我正在使用在此问题的顶级回复中找到的方法:
chunks = split_on_silence(sound,
# length of silence in ms
min_silence_len=325,
# consider it silent if quieter than -60 dBFS
silence_thresh=-60
)
for i, chunk in enumerate(chunks):
chunk.export(os.path.join(full_path, transcript_filename + "{0}.wav".format("%02d" % i)), format="wav")
但是,现在,沉默不包括在这些块中。 我希望他们留在最后。 我假设我必须对pydub.silence函数进行修改,但是我不知道需要进行哪些更改。 现在是split_on_silence:
def split_on_silence(audio_segment, min_silence_len=1000, silence_thresh=-16, keep_silence=100):
"""
audio_segment - original pydub.AudioSegment() object
min_silence_len - (in ms) minimum length of a silence to be used for a split. default: 1000ms
silence_thresh - (in dBFS) anything quieter than this will be considered silence. default: -16dBFS
keep_silence - (in ms) amount of silence to leave at the beginning and end of the chunks. Keeps the sound from sounding like it is abruptly cut off. (default: 100ms)
"""
not_silence_ranges = detect_nonsilent(audio_segment, min_silence_len, silence_thresh)
chunks = []
for start_i, end_i in not_silence_ranges:
start_i = max(0, start_i - keep_silence)
end_i += keep_silence
chunks.append(audio_segment[start_i:end_i])
谢谢你的帮助。
〜埃里克。
您可能会发现pydub.silence.detect_silence()函数很有用。 它返回检测到无声的范围列表(在无声分割功能中使用)
还有pydub.silence.detect_nonsilent(),以防万一
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.