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TR 26.989 (SA4)
Media, codecs and MBMS enhancements for MCPTT over LTE

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V15.0.0 (PDF)2018/06  75 p.
V14.0.0  2017/03  75 p.
V13.1.0  2016/06  75 p.

Rapporteur:  Mr. Turcotte, Eric
See also:  MCPTT-related TS/TR

The present document covers the enhancement required to support MCPTT.


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1…   5.2…



1  ScopePDF-p. 6
2  References
3  AbbreviationsPDF-p. 7
4  Reference Model
5  Key Issues for Supporting MCPTTPDF-p. 8
5.1  Key Issue#1: Codec for MCPTT
5.1.1  Review of Codec Alternatives and their Relative Perceptual Performance
5.1.2  Review of the Codec Alternatives and their Relative Speech Intelligibility in Clean and Low SNRsPDF-p. 41
5.1.3  Review of Codec Alternatives and their Relative ComplexityPDF-p. 54
5.1.4  Recommended requirementsPDF-p. 55
5.1.5  GAP Analysis and EvaluationPDF-p. 56Up
5.1.6  Criteria with respect to MCPTT codec selectionPDF-p. 58
5.1.7  SolutionPDF-p. 59

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