数字音频处理器是一种数字化的音频信号处理设备。它先将多通道输入的模拟信号转化为数字信号，然后对数字信号进行一系列可调谐的算法处理，满足改善音质、矩阵混音、消噪、消回音、消反馈等应用需求。再通过数模转换输出多通道的模拟信号。
结合第18届PALM展会上的产品，介绍国产数字音频处理器和网络传输平台的特点。
With the products on the 18th PALM Exhibition, this paper introduces the characteristics of home-made digital voice processor, platform of network transmission.
首先介绍了两种专用数字音频处理器的性能特点和原理，然后阐述高品质数字音频电压放大器的几种电路设计方案。
This paper introduces the operating principle of two special digital audio processors, and then describes several circuit designs of high quality digital audio voltage amplifier.
该B CM 7405具有先进的音频处理器，能够解码广泛的数字音频格式。
The BCM7405 has an advanced audio processor capable of decoding a wide range of digital audio formats.
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