Journal ArticleDOI
An efficient transcoding algorithm between AMR-NB and G.729ab
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TLDR
By employing the proposed algorithm in transcoders, complexity is reduced by about 26-82% and quality is also improved compared to the conventional DTE method.About:
This article is published in Speech Communication.The article was published on 2010-09-01. It has received 2 citations till now. The article focuses on the topics: Transcoding & Speech coding.read more
Citations
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Journal ArticleDOI
Survey of IPX (IP eXchange) as an Emerging International Interconnection between Telecommunication Networks
Journal ArticleDOI
Visual content adaptation in context to facilitate collaboration in engineering design
TL;DR: This study explored how heterogeneous terminal devices such as desktop computers, laptop computers, smartphones and tablet PCs could be used together to facilitate collaborative product visualisation in engineering design to solve the challenge of adapting visual product information content in context.
References
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Journal Article
ITU-T recommendation G.729 Annex B : A silence compression scheme for use with G.729 optimized for V.70 digital simultaneous voice and data applications : Standardization and characterization of G.729
Journal ArticleDOI
ITU-T Recommendation G.729 Annex B: a silence compression scheme for use with G.729 optimized for V.70 digital simultaneous voice and data applications
TL;DR: Annan B defines a low-bit-rate silence compression scheme designed and optimized to work in conjunction with both the full version of G.729 and its low-complexity Annex A, which enables the achievement of bit-rate savings for coded speech at average rates as low as 4 kb/s during normal speech conversation while maintaining reproduction quality.
Patent
Speech transcoding method and apparatus
TL;DR: In this article, a first CN code (silence code) obtained by encoding a silence signal, which is contained in an input signal, by a silence compression function of a first speech encoding scheme is transcoded to a second CN code of a second speech encoding without decoding the firstCN code to a CN signal.
Proceedings ArticleDOI
Improving transcoding capability of speech coders in clean and frame erasured channel environments
TL;DR: This paper proposes a bit-stream mapping method between ITU-T Recommendation G.729 and TIA IS-641 that has better quality than the cross tandeming method in both clean and frame erased channel environments.
Proceedings ArticleDOI
Efficient codebook search method for ACELP speech codecs
TL;DR: A unified framework for the efficient ACELP codebook search method based on the pulse replacement procedure is proposed, and it is confirmed that the proposed method provides the same performance as the standard method with much less search load.
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