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ITU-R BT.1122 - User requirements for codecs for emission and secondary distribution systems for SDTV, HDTV, UHDTV and HDR-TV
January 1, 2019 - ITU-R

This Recommendation defines user requirements for codecs that should be applied for the specifications, design and testing of systems for the secondary distribution and emission of SDTV, HDTV, UHDTV and HDR-TV signals.

IETF RFC 8486 - Ambisonics in an Ogg Opus Container
October 1, 2018 - IETF

This document defines an extension to the Opus audio codec to encapsulate coded Ambisonics using the Ogg format. It also contains updates to RFC 7845 to reflect necessary changes in the description of channel mapping families.

Audio and Speech Processing with MATLAB
December 7, 2018 - CRC

Speech and audio processing has undergone a revolution in preceding decades that has accelerated in the last few years generating game-changing technologies such as truly successful speech recognition systems; a goal that had remained out of reach until very recently. This book gives the reader a...

IETF RFC 8251 - Updates to the Opus Audio Codec
October 1, 2017 - IETF

This document addresses minor issues that were found in the specification of the Opus audio codec in RFC 6716. It updates the normative decoder implementation included in Appendix A of RFC 6716. The changes fix real and potential security-related issues, as well as minor quality-related...

ISO/IEC DIS 21122-1 - Information technology - Low-latency lightweight image coding system - Part 1: Core coding system
May 15, 2018 - ISO

This document defines a set of low-latency lightweight compression methods for coding continuous-tone grey-scale, or continuous-tone colour digital images without visual loss at compression rates between 2:1 and 6:1, depending on the nature of the image. "Low-latency" means that only a small number...

ISO/IEC 23001-4 - Information technology - MPEG systems technologies - Part 4: Codec configuration representation
August 1, 2017 - ISO

This document defines the methods and general principles capable of describing codec configurations in the reconfigurable video coding (RVC) framework. It primarily addresses reconfigurable video aspects and will only focus on the description of representation for video codec...

CSA ISO/IEC TR 19566-2 - Information technologies - JPEG Systems - Part 2: Transport mechanisms and packaging
January 1, 2018 - CSA

This document collects important information with the goal of elaborating a system layer for JPEG standards, referred to as JPEG systems. This document summarizes the principles of incremental codestream and file transport that are intended to form the future building blocks JPEG systems....

ITU-T G.722.2 ANNEX D - Wideband coding of speech at around 16 kbit/s using Adaptive Multi-Rate Wideband (AMR-WB) Annex D: Digital test sequences
December 1, 2017 - ITU-T

This annex1 specifies the digital test sequences for the adaptive multi-rate wideband (AMR-WB) speech codec specified in Rec. ITU-T G.722.2, its Annexes A and B, and its Appendix I. These sequences test for a bit-exact implementation of the adaptive multi-rate wideband speech transcoder,...

SMPTE RDD 45 - Interoperable Master Format – Application ProRes
December 8, 2017 - SMPTE

This document specifies an Application of the IMF framework specified in SMPTE ST 2067-2. The Application follows the Image Characteristics, Track File and Composition constraints specified in SMPTE ST 2067-21 whenever possible, and uses the Apple ProRes codec specified in SMPTE RDD 36.

SMPTE ST 2042-2 - VC-2 Level Definitions
November 23, 2017 - SMPTE

VC-2 is a video codec that includes parameter values to identify the complexity of the coded VC-2 bit-stream through the use of profiles and levels. These values provide a fast assessment for a decoder to establish whether it has the capability to decode the VC-2 bit-stream. Profiles are...

IETF RFC 8082 - Using Codec Control Messages in the RTP Audio-Visual Profile with Feedback with Layered Codecs
March 1, 2017 - IETF

This document updates RFC 5104 by fixing a shortcoming in the specification language of the Codec Control Message Full Intra Request (FIR) description when using it with layered codecs. In particular, a decoder refresh point needs to be sent by a media sender when a FIR is received on...

ISO/IEC 29341-26-11 - Information technology - UPnP Device Architecture - Part 26-11: Telephony device control protocol - Level 2 - Media management service
September 1, 2017 - ISO

This service definition is compliant with [1]. It defines a service type referred to herein as the MediaManagement service. The MediaManagement service enables the feature to set-up a media session on a Telephony Client (TC), under the control of a Telephony Control Point (TelCP). This service...

IEC TR 63094 - Multimedia systems and equipment – Multimedia signal transmission – Dependable line code with error correction
June 1, 2017 - IEC

This document specifies the line code 4b/10b for dependable multimedia signal transmission required for complex machines, such as robots and automobiles. This document corresponds to the functions specified in layer 1 to layer 2 of the OSI reference model (ISO/IEC 7498). The purpose of this...

IETF RFC 7874 - WebRTC Audio Codec and Processing Requirements
May 1, 2016 - IETF

This document outlines the audio codec and processing requirements for WebRTC endpoints.

IETF RFC 8130 - RTP Payload Format for the Mixed Excitation Linear Prediction Enhanced (MELPe) Codec
March 1, 2017 - IETF

This document describes the RTP payload format for the Mixed Excitation Linear Prediction Enhanced (MELPe) speech coder. MELPe's three different speech encoding rates and sample frame sizes are supported. Comfort noise procedures and packet loss concealment are described in detail.

IETF RFC 7845 - Ogg Encapsulation for the Opus Audio Codec
April 1, 2016 - IETF

This document defines the Ogg encapsulation for the Opus interactive speech and audio codec. This allows data encoded in the Opus format to be stored in an Ogg logical bitstream.

IETF RFC 7742 - WebRTC Video Processing and Codec Requirements
March 1, 2016 - IETF

This specification provides the requirements and considerations for WebRTC applications to send and receive video across a network. It specifies the video processing that is required as well as video codecs and their parameters.

ISO/IEC TR 19566-2 - Information technologies - JPEG Systems - Part 2: Transport mechanisms and packaging
October 15, 2016 - ISO

This document collects important information with the goal of elaborating a system layer for JPEG standards, referred to as JPEG systems. This document summarizes the principles of incremental codestream and file transport that are intended to form the future building blocks JPEG systems....

ITU-T G.1071 - Opinion model for network planning of video and audio streaming applications
November 1, 2016 - ITU-T

This Recommendation provides models which deliver estimates of the impact of typical IP network impairments on the quality experienced by the end user in multimedia mobile streaming and IPTV applications over transport formats such as: RTP (over UDP), MPEG2-TS (over UDP or RTP/UDP), 3GPP-PSS (over...

Mastering FreeSWITCH
July 29, 2016 - PACKT

Master the art of advanced VoIP and WebRTC communication with the most dynamic application server, FreeSWITCH About This Book • Forget the hassle - make FreeSWITCH work for you • Discover how FreeSWITCH integrates with a range of tools and APIs • From high availability to IVR development use this...

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