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ETSI TS 126 201 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure (3GPP TS 26.201 version 7.1.0 Release 7)
standard by European Telecommunications Standards Institute, 07/01/2008
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