sound signal digital

The dynamic range controller is a brand-new studying subject in the the digital audio signal processing too, it can utilize to spend dynamic range system fully, can play distortion of reducing, improve sound and raise voice function of sonority.

动态范围控制器也是数字音频信号处理研究中的一个崭新课题，它能够充分利用系统内的可用动态范围，从而可以起到减少失真、改善音色和提高声音响度的作用。

Digital processing system based on sound card realized the real-time analysis for tonic train signaling, including the time domain analysis and the frequency domin analysis, and realized functions of wavelet analysis and others to the partial misalignment signal.

基于声卡的数字处理系统实现了对音频信号的实时分析，包括时域分析和频域分析，对部分非线性信号实现了小波分析等功能。

The Digital Signal Processing Method for a Two-channel Television Sound in Television Receiver

电视接收机双通道伴音数字信号处理方法

Infrared absorption methane concentration alarming device is comprised of microcontroller systems, light modulation module, signal conditioning module, digital display module, sound and light alarm module, remote control receiving module, standard output module interface circuit.

该红外吸收式的甲烷浓度报警器由单片机系统、光源调制模块、信号调理模块、数码显示模块、声光报警模块、遥控接收模块、标准频率输出模块等电路组成。

Designed a group of experiment in audio filter by using the MATLAB sound processing function as the data conversion interface and using the multimedia player as interactive interface to deepen the understanding of the digital signal processing by comparing the pronunciation effect before and after filtering.

利用MATLAB的声音处理函数作为数据接口，并利用多媒体播放器作为交互界面，设计了一组语音信号滤波实验，目的在于通过对比滤波前后的语音效果来加深对数字信号处理的认识。