This article introduces the principle of the digital audio processor and the circuit design of the high quality digital audio voltage amplifier, and expatiates the principle and the application of the pure digital audio power amplifier.

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.

The Design of an Audio Processing Chip Based on FPGA;

Research and Implementation of General Digital Audio Processing Platform Based on FPGA;

This paper presents audio processing procedure of multimedia technology,and offers the simple mathematic module of sample quantization procedure in audio processing.