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媒体处理器TM1300上语音压缩算法G.729A的优化 被引量:1

Optimization of speech compression algorithm G.729A on media processor TM1300
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摘要 描述了媒体处理器TM1300的体系结构,详细论述了TM1300上语音压缩算法G.729A的优化方法,该方法可以满足实时处理的要求,也适用于语音编码算法G.723.1,G.728,G.729和图像压缩算法H.261,H.263等。 This paper introduces the architecture of media processor TM1300,and describes some opti-mization techniques about speech codec G.729A that can be used to obtain optimal performance on TM1300.These techniques can meet the requirement of real time processing.They are available for G.723.1,G.728,G.729,H.261,H.263as well.[
出处 《电声技术》 北大核心 2003年第12期35-38,共4页 Audio Engineering
关键词 媒体处理器 TM1300 语音压缩算法 G.729A 体系结构 DSP DSP code optimization media processor microprocessor architecture
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参考文献6

  • 1[1]ITU-T Reccomendation G.729. Coding of Speech at 8kbitps Using Conjugate-Structure Algebri-Code-Excited Linear Prediction (CS- ACELP). 1996.
  • 2[2]TM1300 Databook. Philips, 1999.
  • 3[3]Trimedia Soft Development Environment Book 2: Cookbook. Philips, 1999.
  • 4[4]Shaw-Hwa Hwang. Computational Im- provement for G.729 Standard. IEEE Electronics Letters,2000,36(6):1163-1164.
  • 5[5]Emmanuel Roy,David H Crawford. Programming Techniques for Parallel DSP Architectures: Optimal Performance on the StarCore SC140. http://www. starcore-dsp.com/technology/papers/crawford_icspat2000.pdf.
  • 6[6]M. R. Smith. Code Optimization Techniques for DSP Applications. http://spib.ece.rice.edu/DSP2000/submission/DSP/pa-pers/pa-per001/pa-per001.pdf.

同被引文献4

  • 1HOROWITZ M,JOCH A,KOSSENTINI F,et al.H.264/AVC baseline profile decoder complexity analysis[J].IEEE Transaction Circuits And Systems Video Technology,2003,13(7):704-716.
  • 2Draft ITU-T Recommendation and Final Draft International Standard of Joint Video Specification[S] (ITU-T Rec.H.264 | ISO/IEC 14496-10 AVC),7th Meeting:Pattaya,Thailand,7-14 March,2003.
  • 3ISO/IEC.H.264/AVC Reference Software JM86[EB/OL].(2005-12-08)[2006-05-01].http://iphome.hhi.de/suehring/tml/download/.old-jm/.
  • 4姜衡,张颖,张兆扬.基于TMS320C6000的MPEG-4视频实时解码优化设计[J].电视技术,2003,27(12):71-74. 被引量:4

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