硕士论文。主要包括：1、升频差值的matlab仿真与实现 2、延时、混响和均衡效果的实现 3、基于心理学模型和噪声整形的matlab仿真与听声测试 4、音频处理算法的DSP实现-Master thesis. Mainly includes: 1, litres, the difference of the frequency of MATLAB simulation and 2, to achieve delay, reverb, and the effect of equalization to achieve 3, based on psychology model and noise shaping of the MATLAB simulation and hearing test 4, audio processing algorithm based on DSP Implementation