基于PCM2902的高性能音频接口卡的研制  

Study on the High Performance Audio Interface Based on PCM2902

作　　者：张正华[1] 王丰硕 

机构地区：[1]扬州大学信息工程学院,江苏扬州225009 [2]凹凸科技一洋半导体(宁波)有限公司工程部,浙江宁波315800

出　　处：《电声技术》2006年第12期35-37,共3页Audio Engineering

摘　　要：介绍了PCM2902的特点和应用,设计了一块基于PCM2902的高性能音频接口卡,给出了硬件设计制作的具体工艺和基于PC的性能测试分析方法。该接口卡可以通过USB接口、S/PDIF接口连接数字音频设备及传统高保真音频设备,实现了音频信号的采集和数字化传输,明显提高了多媒体音响系统的音质,为多媒体音频回放和音频数据提取提供了高性价比的解决方案。The characteristics and application of PCM2902 are introduced. A piece of high performance audio interface based on PCM2902 is designed. The concrete craft of it＇s design and production as well as the performance testing and analyzing method based on PC are shown. This interface has achieved in the audio signal collecting and the digital transferring through the USB, S/PDIF interface linking to the equipments of digital audio and the traditional Hi-Fi audio, which has promoted the sound quality of multi-intermediate audio system, provids the solution of muhiintermediate audio playing and audio data getting.

关 键 词：PCM2902 数字音频接口 USB音频 S/PDIF 

分 类 号：TN912[电子电信—通信与信息系统]