语音合成，变速不变调，有注释，方便语音初学者学习。-Speech synthesis, variable speed constant tone, with annotations, to facilitate voice beginners.

matlab声音处理文件，可以实现声音变调和变速。-matlab sound processing files, voice tone change and variable speed.

语音信号合成的算法，，频谱参数合成，基音和共振峰合成，线性预测系数合成等。及语音信号的变速变调算法-Speech signal synthesis algorithm, the spectrum parameters of synthesis, pitch and formant synthesis, synthesis of linear prediction coefficient, etc. And variable speed modulation algorithm of speech

通过激励信号与合成滤波器，获得重建信号，生成语音变速滤波器与语音变调滤波器，得到变速变调音频。(Through the excitation signal and the synthetic filter, the reconstruction signal is obtained, the voice transmission filter and the voice modulation filter are generated, and the variable tone audio is