摘要
给出了数字广播调幅系统DRM的AAC音频解码器在定点DSP芯片TMS320C6416上的实现方案,从多方面对AAC音频解码器的关键技术进行优化。实验结果表明,算法的运行速度提高了10倍,存储器占用情况有较大改善,为DRM广播信号解码系统执行音频解码之前的解调和信道解码程序节省了很大的周期资源和处理空间。
This paper presents the solution of AAC audio decoder in digital radio mondiale on TMS320C6416. Various of its key technologies are optimized. Experiment results show that the algorithm runs ten times faster and the memory used has been improved considerably, saving a lot of processing space and resource for the decoding system of DRM broadcast signal to implement demodulation and channel decoding before audio decoding.
出处
《电子技术应用》
北大核心
2011年第5期31-34,共4页
Application of Electronic Technique
基金
天津市科技支撑计划重点项目(编号:09ZCKFGX29200)
