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TR 26.901 (SA4)
Adaptive Multi-Rate Wideband (AMR-WB) speech codec –
Feasibility study report

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V4.0.1 (PDF)  2000/04  31 p.

Rapporteur:  Dr. Bruhn, Stefan
See also:  –

This TR presents the outcome of the Feasibility Study Phase of wideband Adaptive Multi-rate codec. Clauses 4 to 6 provide an overview and background for introducing AMR wideband. Clause 7 provides a review of relevant standardization activities. Feasibility aspects such as codec performance, speech coding bit-rates, implementation complexity and transmission delay are discussed in clauses 8 and 9. Clause 10 outlines the target timeplan for AMR-WB codec development, testing, selection and standardization. Clauses 11, 12 and 13 conclude with a summary of the risks and recommendations.


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1  ScopePDF-p. 6
2  References
3  Definitions and abbreviationsPDF-p. 7
4  Goals of AMR wideband codecPDF-p. 8
5  Terminology
6  OverviewPDF-p. 9
7  Standardization backgroundPDF-p. 10
8  Feasibility aspects for GSM full-rate traffic channelPDF-p. 12
9  Feasibility aspects for other channelsPDF-p. 16
10  Development phases
11  Open issues and risksPDF-p. 17
12  Conclusions
13  Recommendations

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