Убрать тишину

import wave
import numpy as np
 
def break_the_silence():
    with wave.open('in.wav', 'rb') as wav_in:
        params = wav_in.getparams()
        frames = wav_in.readframes(params.nframes)
    audio_data = np.frombuffer(frames, dtype=np.int16)
    frame_size = 1024
    num_frames = len(audio_data) // frame_size
    frames = np.array_split(audio_data[:num_frames * frame_size], num_frames)
    non_silent_frames = [
        frame for frame in frames 
        if np.any(np.abs(frame) > 100)
    ]
    if not non_silent_frames:
        processed_audio = np.array([], dtype=np.int16)
    else:
        processed_audio = np.concatenate(non_silent_frames)
    with wave.open('out.wav', 'wb') as wav_out:
        wav_out.setparams(params)
        wav_out.writeframes(processed_audio.tobytes())
 
break_the_silence()