音频
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A local extremum of audio watermarking algorithm
A local extremum of audio watermarking algorithm， matlab software watermark embedding and extraction operation， also gives some common attack method of audio watermarking attacks. -
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巴特沃思和契比雪夫滤波器
巴特沃思和契比雪夫滤波器，有wav文件以及输出的wav文件，使用带通滤波器，保留了300-3300Hz的音频，可以广泛使用在音频滤波方面 -
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the convert the audio from the cep unit fft to mel spectrum
the convert the audio from the cep unit fft to mel spectrum -
