Codec Workgroup RFCs

Browse Codec Workgroup RFCs by Number

RFC6366 - Requirements for an Internet Audio Codec

This document provides specific requirements for an Internet audio codec. These requirements address quality, sampling rate, bit-rate, and packet-loss robustness, as well as other desirable properties. This document is not an Internet Standards Track specification; it is published for informational purposes.

RFC6569 - Guidelines for Development of an Audio Codec within the IETF

This document provides general guidelines for work on developing and specifying an interactive audio codec within the IETF. These guidelines cover the development process, evaluation, requirements conformance, and intellectual property issues. This document is not an Internet Standards Track specification; it is published for informational purposes.

RFC6716 - Definition of the Opus Audio Codec

This document defines the Opus interactive speech and audio codec. Opus is designed to handle a wide range of interactive audio applications, including Voice over IP, videoconferencing, in-game chat, and even live, distributed music performances. It scales from low bitrate narrowband speech at 6 kbit/s to very high quality stereo music at 510 kbit/s. Opus uses both Linear Prediction (LP) and the Modified Discrete Cosine Transform (MDCT) to achieve good compression of both speech and music. [STANDARDS-TRACK]