摘要
介绍了当今主流嵌入式处理器音频解决方案,包括Tensilica Xtensa HiFi2,ARM AudioDE以及ARC Sound Subsystem。
This paper introduces some main audio solutions on embedded processor including Tensilica Xtensa HiFi 2, ARM AudioDE and ARC Sound Subsystem. Some of the key technologies used in these embedded processors, such as instruction extensions, specific memory structures and DSP extensions for audio application are discussed as well.
出处
《信息技术》
2008年第8期109-112,共4页
Information Technology
关键词
指令集架构
扩展指令
DSP扩展
instruction set architecture
instruction extension
DSP extension
