MATLAB环境下的Simulink仿真平台，构建PCM编码与解码电路图，对模拟信号进行采样、量化、编码, 将编码后的信号输入信道再进行PCM解码，还原出原信号.建立仿真模型,分析仿真波形。-MATLAB environment Simulink simulation platform to build PCM encoding and decoding circuit diagram of the analog signal is sampled, quantization, encoding

产生一正态分布序列 经过pcm编码、PCM解码、计算量化信噪比、设置信道误码率 -Generating a normal sequence after pcm encoding, PCM decoding, computing quantization noise ratio, set the channel error rate x = randn (1,1000) generating a normal sequence xf = fft (x, 256) 1024 da

载入一段语音信号进行分析 进行 PCM 编码和译码，并回放该信号-Loading a voice signal analysis Conduct PCM encoding and decoding, and playback of the signal