Codecs & Media
3GPP Codecs and Media
Overview
Speech, audio, video, and multimedia codec specifications and media handling.
Full technical content for Codecs & Media is coming soon. In the meantime, browse the related specifications below.
Specifications
Mandatory speech CODEC speech processing functions; AMR speech Codec; General description
Codecs & Media
ANSI-C code for the Adaptive Multi Rate (AMR) speech codec
Codecs & Media
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec test sequences
Codecs & Media
Minimum performance requirements for Noise Suppresser; Application to the Adaptive Multi-Rate (AMR) speech encoder
Codecs & Media
Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Transcoding functions
Codecs & Media
Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Error concealment of lost frames
Codecs & Media
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Comfort noise aspects
Codecs & Media
Mandatory speech codec speech processing functions Adaptive Multi-Rate (AMR) speech codec; Source controlled rate operation
Codecs & Media
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Voice Activity Detector (VAD)
Codecs & Media
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure
Codecs & Media
Mandatory speech codec; Adaptive Multi-Rate (AMR) speech codec; Interface to Iu, Uu and Nb
Codecs & Media
Speech codec list for GSM and UMTS
Codecs & Media
ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec
Codecs & Media
Codec for circuit switched multimedia telephony service; General description
Codecs & Media
Codec for circuit switched multimedia telephony service; Modifications to H.324
Codecs & Media
Real-Time Media Communication; Protocols and APIs
Codecs & Media
IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction
Codecs & Media
Echo control for speech and multimedia services
Codecs & Media
Television (TV) over 3GPP services; Video profiles
Codecs & Media
5G Media Streaming (5GMS); Speech and audio profiles
Codecs & Media
Virtual Reality (VR) profiles for streaming applications
Codecs & Media
Media Capabilities for Augmented Reality
Codecs & Media
Speech/Audio Codec RTP Payload Format Conformance for UE Testing
Codecs & Media
Terminal acoustic characteristics for telephony; Requirements
Codecs & Media
Speech and video telephony terminal acoustic test specification
Codecs & Media
Real-time Transport Protocol (RTP) / RTP Control Protocol (RTCP) verification procedures
Codecs & Media
Multimedia Messaging Service (MMS); Media formats and codecs
Codecs & Media
IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs
Codecs & Media
Dynamic and Interactive Multimedia Scenes (DIMS)
Codecs & Media
Messaging Media profiles
Codecs & Media
Syndicated Feed Reception (SFR) within 3GPP environments; Protocols and codecs
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; General description
Codecs & Media
ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec test sequences
Codecs & Media
Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences
Codecs & Media
Mission Critical Push To Talk (MCPTT); Codecs and media handling
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Transcoding functions
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Error concealment of erroneous or lost frames
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Comfort noise aspects
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Source controlled rate operation
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice Activity Detector (VAD)
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Interface to Iu, Uu and Nb
Codecs & Media
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code
Codecs & Media
Telepresence using the IP Multimedia Subsystem (IMS); Media handling and interaction
Codecs & Media
Cellular text telephone modem; General description
Codecs & Media
Cellular text telephone modem; Transmitter bit exact C-code
Codecs & Media
Cellular text telephone modem; Minimum performance requirements
Codecs & Media
Transparent end-to-end Packet-switched Streaming service (PSS); General description
Codecs & Media
Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs
Codecs & Media

