https://wiki.multimedia.cx/api.php?action=feedcontributions&feedformat=atom&user=LwlWca 2026-04-08T09:16:43Z User contributions MediaWiki 1.39.5 https://wiki.multimedia.cx/index.php?title=Oma&diff=7642 2007-04-10T23:44:34Z

<p>LwlWca: </p> <hr /> <div>* Extension: oma, omg<br /> * Company: [[Sony]]<br /> <br /> Container format used to encapsulate [[Sony ATRAC|ATRAC3]] and ATRAC3 for use with Sony's portable players. Files ending with .omg are protected with the [[OpenMG]] [[DRM]] system.<br /> <br /> The OMA file format contains a payload scrambled with a 32-bit value [http://www.waider.ie/hacks/workshop/c/mple/FILE_FORMAT_v2.txt]. The format is known to carry MP3 and ATRAC3 audio. The metadata format is a variant of ID3v2 and uses standard ID3v2 frame types, such as TIT2, TPE1, TALB and TCON. In addition to these standard frame types, TXXX and GEOB frames contain OpenMG-specific metadata.<br /> <br /> TXX OMG_TRACK &quot;track number (ASCII)&quot;<br /> TXX OMG_AGENR &quot;content description (ASCII)&quot;<br /> TXX OMG_ATPE1 &quot;leader performer (ASCII)&quot;<br /> GEOB OMG_BLKSI contains a metadata structure. observed strings include:<br /> KEYRING<br /> EKB<br /> SHARE_P_SID<br /> REFID<br /> GEOB OMG_OLINF binary blob <br /> <br /> [[Category:Container Formats]]</div>

LwlWca