基于离散余弦变换的数字音频水印技术,可供毕业设计的同学参考-DCT-based digital audio watermarking technique，could be a reference for the students under final year projects

基于态函数的离散分数余弦倒谱变换在取证话音信息隐藏中的应用-Cepstrum based on the state function of discrete fractional cosine transform application in forensics speech information hiding

实现了在matlab下音频信号的dct(离散余弦)和fft(傅里叶变换)相对matlab工具箱，有快速准确的效果。-Realized the dct (discrete cosine) of the audio signal in matlab fft (Fourier transform) relative matlab toolbox, fast and accurate results.