audio.py 文件源码

def check_squelch(level, is_triggered, chunks):
        rms_vals = [audioop.rms(x.audio, x.width) for x in chunks]
        median_rms = sorted(rms_vals)[int(len(rms_vals) * .5)]
        if is_triggered:
            if median_rms < (level * .8):
                return False
            else:
                return True
        else:
            if median_rms > level:
                return True
            else:
                return False