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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code (3GPP TS 26.204 version 18.0.0 Release 18)
Standard published on 17.5.2024
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code (3GPP TS 26.204 version 19.0.0 Release 19)
Standard published on 4.11.2025
Selected format:Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) wideband speech codec (3GPP TS 26.204 version 5.0.0 Release 5)
Standard published on 31.3.2002
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) wideband speech codec (3GPP TS 26.204 version 5.1.0 Release 5)
Standard published on 30.3.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate - Wideband (AMR-W) speech codec (3GPP TS 26.204 version 5.2.0 Release 5)
Standard published on 30.9.2003
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate - Wideband (AMR-W) speech codec (3GPP TS 26.204 version 5.3.0 Release 5)
Standard published on 31.12.2004
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code (3GPP TS 26.204 version 5.4.0 Release 5)
Standard published on 15.10.2007
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate - Wideband (AMR-W) speech codec (3GPP TS 26.204 version 6.0.0 Release 6)
Standard published on 31.12.2004
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code (3GPP TS 26.204 version 6.1.0 Release 6)
Standard published on 15.10.2007
Selected format:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code (3GPP TS 26.204 version 7.0.0 Release 7)
Standard published on 31.3.2007
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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