Initial specifications can be accessed here: In order to provide authoritative, standardized specifications for users and developers, the Working Group will seek consensus throughout the process of refining and formalizing these standards. Using existing work done by the development communities of Matroska, FFV1, and FLAC, the Working Group will formalize specifications for these open and lossless formats. Review and formalization of the FLAC codec standard and its use in Matroska container formats is needed for wider adoption. While there are open source implementations of the codec, no formal standards for either the codec itself or its use in container formats currently exist. FLAC is a lossless audio codec that has seen widespread adoption in a number of different applications including archival applications. There is also a need for a lossless audio format to complement the lossless video codec and container format. These existing specifications require broader review and formalization in order to encourage widespread adoption. However, there are concerns about the sustainability and credibility of existing specifications for the long-term use of these formats.
There are open source implementations of both formats, and an increasing interest in and support for use of FFV1 and Matroska. While obsolescence and material degradation are widely addressed, the standardization of open, transparent, self-descriptive, lossless formats remains an important mission to be undertaken by the open source community.įFV1 is a lossless video codec and Matroska is an extensible media container based on EBML (Extensible Binary Meta Language), a binary XML format. The preservation of audiovisual materials faces challenges from technological obsolescence, analog media deterioration, and the use of proprietary formats that lack formal open standards.
Codec Encoding for LossLess Archiving and Realtime transmission
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