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MPEG-4 SLS无损增强层的编码 被引量：1

Coding scheme in lossless enhancement layer of MPEG-4 SLS
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摘要 介绍了MPEG-4音频可分级无损压缩编码方案中无损增强层的编码。对无损增强层中的残差映射、比特平面编码、基于上下文的算术编码、低能量编码等技术细节进行了深入讨论和分析。最后将MPEG-4 SLS与Monkey’s Audio编码方案进行了比较,以此来说明MPEG-4 SLS优异的压缩性能。 In this paper, encoding scheme in lossless enhancement layer（LLE） of MPEG- 4 SLS is presented. And the key technologies in LLE such as error mapping, BPGC, CBAC, low energy encoding are introduced in details. In comparison with Monkey＇s Audio scheme, the test result shows MPEG- 4 SLS provides excellent compression performance.
作者 朱钿
机构地区 上海交通大学图像通信与信息处理研究所
出处 《信息技术》 2007年第3期63-65,共3页 Information Technology
关键词 无损音频压缩 可分级编码 比特平面编码 基于上下文算术编码 低能量编码 lossless audio compression scalable encoding BPGC CBAC low energy encoding
分类号 TN919.81 [电子电信—通信与信息系统]
  • 相关文献

参考文献7

  • 1Yu RongShan,Susanto Rahardja,Lin Xiao,et al.A fine granular scalable to lossless audio coder[J].IEEE Tranctions on audio,speech,and language processing,2006,14(4).
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二级参考文献7

  • 1朱敏,胡剑凌,徐盛.基于正交变换的无损音频压缩[J].电声技术,2005,29(4):51-54. 被引量：1
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同被引文献6

  • 1ZHU Bin-bin, LI Shi-peng, YANG Yang. JPEG 2000 encryption enabling fine granularity scalability without decryption[J].Circuit and System, 2005,6 : 6304-6307.
  • 2CHEN Fang-chu, CHIU Te-ming. Scalefactor based bit shift FGS audio coding[J].Advanced Information Networking and Application, 2005,2 : 235-238.
  • 3HU Rui-min, CHEN Shui-xian, AI Hao jun, et al. AVS generic audio coding[C]//Proceedings of Sixth International Conference on Parallel and Distributed Computing, Applications and Technologies, PDCAT 2005. USA,Piscataway: IEEE Computer Society,05- 08 Dec 2005 : 679-683.
  • 4LEI Miao, KIM S, LE Shi-hua, et al. Context-dependent bit-plane coding in China AVS audio[C]// Proceedings of 2005 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2005. USA, Piscataway: IEEE Computer Society, 13-16 Dec,2005:765-768.
  • 5YU Rong-shan, LI Te, ROHARDJA S. Perceptually enhanced bit-plane coding for scalable audio[C]//2006 IEEE International Conference on Multimedia and Expo, ICME 2006. USA, Piscataway: IEEE Computer Society,July 2006 : 1153-1156.
  • 6LI Te, RAHARDJA S, KOH S N. Perceptually adaptive bit-plane coding for scalable audio[J].Electronics Letters,2007,43(1):60-61.

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信息技术
2007年 第3期

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