179225cd81199996d724f3333834baef850cbb33,general_function/file_wav.py,,wav_scale,#Any#,27

Before Change

	"""
	语音信号能量归一化
	"""
	sum=0
	for i in energy:
		sum=sum+i*i
	length=len(energy)
	print(length,sum)
	m=math.sqrt(length/sum)
	e=energy*m
	return e
	
def wav_show(wave_data, fs): // 显示出来声音波形

After Change

	"""
	语音信号能量归一化
	"""
	means = energy.mean() // 均值
	var=energy.var() // 方差
	e=(energy-means)/math.sqrt(var) // 归一化能量
	return e
	
def wav_show(wave_data, fs): // 显示出来声音波形

Instances