ZedDist CodecRC telcon 20081001
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Contents |
Present
Dominic, Marc-André, Colin, Lloyd.
Regrets: Hiro.
Recording of the TelCon
Media:Codec_telcon_20081001.ogg
Action Item Summary
new action items this meeting
- Dominic to prepare a table for the evaluation. That table will include the Codecs and the Criterias
- Everyone to review list of candidates and criterias to make sure nothing has been left out
Agenda
- Review of Project Plan
- Review of Daisy IP
- First Discussion on Criterias
- First Discussion on Candidates
Minutes
List of Criterias
- From Daisy IP
- Platform independent specifications
- Vendor independent
- Open non-proprietary standards that have a proven track record of accessibility
- Royalty free (RF) specifications and standards that are available for all to implement
- Found irrelevant to audio: Language independent - supporting international implementation
- Others
- Fixed Point vs Floating Point
- Information on supported bitrate: constant versus variable
- Level of compression
- Quality (voice, general audio, broadcast, cellphone, etc...)
- Royalities and other fees involved
- Level of acceptance in today's market
List of Codecs
All results of the brainstorming are listed here. As this point, no Codecs is to be rejected until we gather further information.
- Already in Daisy Specs
- mp3
- WAV(16 bits PCM)
- mpeg2
- HE-AAC
- HE-AAC+
- In use by Daisy members
- AMR-WB+
- WMA with DRM
- Others
- MP layer 3.5
- MP3Pro
- WMA
- WMA Audio
- WMA Audio Professional
- WMA Audio Lossless
- WMA Audio Voice
- Ogg Vorbis
- Speex
- Flac
- MPG4-ALS
- Unified Speech and Audio Codec
