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ETSI EN 301 712

ETSI EN 301 712
ETSI EN 301 712 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Adaptive Multi Rate (AMR) speech; ANSI-C code for the AMR speech codec (GSM 06.73 version 7.3.1 Release 1998)

standard published 06/01/2000 by European Telecommunications Standards Institute

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