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用双谱和小波变换去除信号中加性高斯噪声的相关程序
1.实现单个变量的双谱分析程序
2.用傅立叶反变换求自相关函数的程序
3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序
4.读取.wav语音信号后用小波去加信白噪声的程序
5.用各种小波和阀值对同一信号去加性噪声效果比较的程序
-Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
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Remove high frequency audio noise-FIR filter design
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Remove high frequency audio noise-IIR filter design
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对于一段有杂音的音频信号,用过多种方式去除,建立多种经典滤波器,并比较优劣。-For a period of noise audio signal, used a variety of ways to remove the establishment of a variety of classic filter, and compare the pros and cons.
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给一个受污染的声音文件用滤波器用matlab消除噪声-Give a contaminated audio files using filter to remove noise
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具有去通道噪声功能全自动的梅尔倒谱系数提取.可以加载各种音频文件。-extracte Mel cepstral coefficients with function of remove the channel noise. It can load a variety of audio files.
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Only coding parameters of sound generation model
• LPC is an example where parameters are a1, a2, …ak , e(n)
• Music instrument parameters: pitch, loudness, timbre, …Frequency Masking: If a tone of a certain frequency
and amplitude is
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