基本的SDL库提供了一个非常简单的音效系统。最重要的是，SDL的混音器增加了更多的声音api，它建立一个更加灵活的解决方案。

The basic SDL library comes with a very simple sound system. On top of that, SDL mixer adds more sound APIs which build a more flexible solution.

youdao

通过分析dsp的数据格式和字长对音效处理性能的影响，确定了以TMS320C 6711为核心的虚拟环绕立体声处理系统的设计方案。

After analyzing the effect of DSP data type and word-length upon the audio processing performance, the simulant surrounding stereo-system is designed based on TMS320C6711.

youdao