ETSI TR 126 975

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ETSI TR 126 975 English PDF Universal Mobile Telecommunications System (UMTS); Performance characterization of the AMR speech codec (3GPP TR 26.975 version 4.0.0 Release 4)

standard published 03/01/2001 by European Telecommunications Standards Institute

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To provide background information on the performance of the Adaptive Multi-Rate (AMR) speech codec. Experimental test results from the verification and characterization phases of testing are reported to illustrate the behavior of AMR in multiple operational conditions.