| ogg/Vorbis音频编解码算法在DM642上的移植 |
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| 引用本文： | 黄文辉,王长松,巩宪锋.ogg/Vorbis音频编解码算法在DM642上的移植[J].电声技术,2009,33(5):66-69. |
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| 作者姓名： | 黄文辉 王长松 巩宪锋 |
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| 作者单位： | 北京科技大学,机械工程学院,机械电子工程系,北京,100083 |
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| 摘 要： | 简要介绍了TI的定点多媒体处理芯片TMS320DM642的特点、软硬件开发平台及Ogg／Vorbis音频编解码算法。分析了Ogg／Vorbis编解码算法的工作流程，并重点阐述了基于DM642平台的Ogg/Vorbis音频编解码算法的移植。实验结果表明，移植后的Ogg／Vorbis音频编解码算法能够实现音频文件的编解码。
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| 关 键 词： | 音频编解码 算法 多媒体芯片 代码移植 |
Code Transplantation of Ogg/Vorbis Codec Arithmetic Based on DM642 |
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| HUANG Wen-hui,WANG Chang-song,GONG Xian-feng.Code Transplantation of Ogg/Vorbis Codec Arithmetic Based on DM642[J].Audio Engineering,2009,33(5):66-69. |
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| Authors: | HUANG Wen-hui WANG Chang-song GONG Xian-feng |
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| Affiliation: | Dept.of Mechatronics;Institute of Mechanical Engineering;University of Science and Technology Beijing;Beijing 100083;China |
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| Abstract: | The characteristics of TI fixed-point multimedia processor TMS320DM642,software& hardware development platform and arithmetic of Ogg/Vorbis Codec are introduced briefly.The process of Ogg/Vorbis arithmetic is described,and the code transplantation is discussed.Experiment result shows that the transplanted code is capable of coding and decoding. |
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| Keywords: | audio codec arithmetic multimedia processor code transplantation |
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