search for: mediaarea

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2015 Aug 18
1
Standardization FLAC through IETF
Dear members of the flac-dev list, I'm writing to ask for feedback from the FLAC community regarding the possibility of standardizing the FLAC specification through the Internet Engineering Task Force. I'm working with MediaArea on the PREFORMA project which focuses on building conformance checkers for Matroska and FFV1. Since Matroska and FFV1 are not yet formally standardized, this past July, I presented a proposal for an IETF working group for standardizing specifications for FFV1 and Matroska, both of which are open-so...
2015 Jul 21
1
A couple of questions about channel mapping
...on-line. lvqcl wrote: > 1) It seems that some programs (eac3to) write the value of > WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag with uppercase 'x' (e.g. 0X3) > (see <http://forum.doom9.org/showthread.php?p=1728852#post1728852>) > > Also, from MediaInfo changelog <https://mediaarea.net/MediaInfo/ChangeLog>: > Version 0.7.74, 2015-05-25 > x VorbisComment: WAVEFORMATEXTENSIBLE_CHANNEL_MASK "0X" ("x" in uppercase) > is accepted now > > In flac we have: > if(strncmp(p, "=0x", 3)) > return false; > so it's...
2015 Oct 31
0
IETF standardization: RFC by November 9
...open and lossless formats. 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. Initial specifications can be accessed here: Specifications: - FFV1: https://mediaarea.net/temp/ffv1.html - Matroska: http://matroska.org/technical/specs/index.html - EBML: http://matroska-org.github.io/libebml/specs.html - FLAC: https://xiph.org/flac/format.html Development Versions: - FFV1: https://github.com/ffmpeg/ffv1 - Matroska:https://github.com/Matroska-Org/foundation-source...
2015 Mar 05
2
VLC only sees a fraction of Speex wrapped in OGG
Friends, My name is Igor, I am new to this forum. I have a peculiar problem with my OGG/Speex implementation: I encode a short PCM stream in OGG/Speex, but the result can not be read by VLC and MediaInfo <http://mediaarea.net/nn/MediaInfo> reports that the file is too short (240ms). In reality the file contains about 2.7 sec worth of audio. Another interesting thing I noticed is that the file *can* be read successfully in Audacity. Yes, that is right, Audacity reads the file perfectly fine whereas all other tool...