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音频编解码技术及应用 被引量：5

Techniques and Applications of Audio Codec
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摘要 首先分析了在各个不同的历史阶段为满足不同的需求而提出的各种音频编解码器,讨论了最常见编解码器的特征和性能。然后考虑了它们对当前和未来移动通信需求的适应性,比较了各种音频编解码器的性能。最后给出了一些音频编解码器在移动通信系统中的应用。 This paper analyzes the historical development of different audio codec＇s for different purposes and discusses the features of the most common codec＇s. Then, some comparisons of the codec＇s performances are done and their suitability for mobile needs of today and future are also considered. Finally some existing applications in mobile communications system are presented.
作者 卢官明 李海波
机构地区 Digital Media Lab 南京邮电学院信息工程系
出处 《电声技术》 2005年第7期68-74,共7页 Audio Engineering
关键词 音频编解码器 增强的高效高级音频编码 增强的自适应多码率宽带音频编码 可变速率多模式宽带 音频编码 谱带恢复 audio codec EAAC＋ AMR-WB＋ VMR-WB spectral band replication
分类号 TN912 [电子电信—通信与信息系统]
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参考文献17

  • 1Fraunhofer Institute for Integrated Circuits IIS. Audio & Multimedia. MPEG Audio. Layer-3. Technology Report (online)2004. http://www.iis.fraunhofer. de/amm/techinf/layer3.
  • 2Bruhn, S. Bridging the Gap Between Speech and Audio Coding-AMR-WB+-The Codec for Mobile Audio. Ericsson Research, Multimedia Technologies. http://www.s3.kth.se/radio/COURSES/S3_SEMINAR_2E 1380_2004/presentations/EricssonAudio-040506.pdf
  • 3mp3PRO Zone 2004. Coding Technologies. Developer's Guide (Online) 2004. http://www.mp3prozone.com/.
  • 4Coding Technologies. aacPlus. Products and Technologies.Promotion Page (Online) 2004. http://www.codingtechnologies.com/products/aacPlus.htm
  • 5Frerichs, D. 2003. New MPEG-4 High-efficiency AAC Audio: Enabling New Applications. Coding Technologies.http://www.telossystems.com/techtalk/hosted/m4-in -30100%20(M4IF HE AAC_paper).pdf.
  • 6The 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; General Audio Codec Audio Processing Functions; Enhanced aacPlus General Audio Codec; General Description (Release 6),2004. http://www.3gpp.org/ftp/tsg_sa/TSG_SA/TSGS_24/Docs/PDF/SP-040428.pdf.
  • 7VoiceAge Corporation Licencing Service. AMR-WB+FAQs. Technologies. Frequently Asked Questions 2004.http://www. voiceage.com/amrsite/tech_wbplus_faqs.php
  • 8Microsoft Corporation. Windows Media Home. Technology Page (Online) 2004. http://www.microsoft.com/windows/windowsmedia/default.aspx
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同被引文献16

  • 1焦传斌,于保华,李治柱.新型宽带语音编解码器AMR-WB的研究[J].计算机仿真,2005,22(1):150-152. 被引量：6
  • 2朱敏,杨震.3G移动通信系统中的新型宽带语音编码VMR-WB[J].信息安全与通信保密,2005,27(9):98-101. 被引量：2
  • 3高文,王强,马思伟.AVS数字音视频编解码标准[J].中兴通讯技术,2006,12(3):6-9. 被引量：23
  • 4胡瑞敏,刘琼,张勇.视音频编解码技术发展现状和展望[J].中国安防,2007(3):56-64. 被引量：9
  • 5Milan Jelinek,Redwan Salami,Sassan Ahmadi,et al.On the architecture of the cdma2000 variable-rate multimode wideband (VMR-WB) speech coding standard[C].2004IEEE International Conference on Acoustics,Speech,and Signal Processing (ICASSP 2004),IEEEInternational Conference on,2004,1:17 - 21.
  • 6Sassan Ahmadi,Milan Jelinek; Redwan Salami,et al.Wideband Speech Coding for CDMA2000 Systems[C].The 37th Asilomar Conference on Signals,Systems & Computers,2003,1:270 - 274.
  • 7BehrouzA.Forouzan.SophiaChungFegan.数据通信与网络第四版[M].北京:机械工业出版社,2007.
  • 8Salami R, Laflamme C, Bessette B, et al. ITU-T G.729 Annex A: Reduced Complexity 8 kh/s CS-ACELP Codec for Digital Simullancous Voice and Data[ J]. IEEE Communications Magazine,1997,35 ( 9 ) 56-63.
  • 9Salami R, Lanamme C, Bessette B, et al. DESCRIPTION OF ITU- T RECOMMENDATION G. 729 ANNEX A: REDtCEI) COMPLEXITY 8 KBIT/S CS-ACEEP CODEC [ C ]//IEEE International Conference, 1997,2:775-778.
  • 10RegisJ,BatesDonald,WGregory.语音与数据通信[M].4版.北京:人民邮电出版社,2005.

引证文献5

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电声技术
2005年 第7期

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