Oma: Difference between revisions
Jump to navigation
Jump to search
Suxen drol (talk | contribs) (hyperlink to file format spec) |
mNo edit summary |
||
| Line 2: | Line 2: | ||
* Company: [[Sony]] | * Company: [[Sony]] | ||
Container format used to encapsulate [[Sony ATRAC|ATRAC3]] and ATRAC3 | 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. | ||
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. | 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. | ||
Revision as of 09:18, 10 April 2007
- Extension: oma, omg
- Company: Sony
Container format used to encapsulate ATRAC3 and ATRAC3 for use with Sony's portable players. Files ending with .omg are protected with the OpenMG DRM system.
The OMA file format contains a payload scrambled with a 32-bit value [1]. 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.
TXX OMG_TRACK "track number (ASCII)"
TXX OMG_AGENR "content description (ASCII)"
TXX OMG_ATPE1 "leader performer (ASCII)"
GEOB OMG_BLKSI contains a metadata structure. observed strings include:
KEYRING
EKB
SHARE_P_SID
REFID
GEOB OMG_OLINF binary blob