Appendix B. Audio and metadata formats
183
B.2.2. Featureset for codec specific metadata
Feature
Codec specific metadata (file extension)
Embedded
.bmp
None
Embedded
.jpg
None
Embedded
.png
None
Replaygain
.mpc
Title
.tta
,
.spc
,
.mmf
,
.sid
,
.rm
,
.ra
,
.rmvb
,
.nsf
,
.nsfe
,
.mod
,
.sap
,
.gbs
,
.ay
,
.sgc
,
.vgm
Artist
.tta
,
.spc
,
.mmf
,
.sid
,
.rm
,
.ra
,
.rmvb
,
.nsf
,
.nsfe
,
.sap
,
.gbs
,
.ay
,
.sgc
,
.vgm
Album
.spc
,
.sid
,
.nsf
,
.nsfe
,
.gbs
,
.ay
,
.sgc
,
.vgm
Genre
.tta
,
.spc
,
.sap
Disc
.tta
Track
.tta
Year
.spc
,
.sid
,
.sap
Composer
.mmf
Comment
.spc
,
.rm
,
.ra
,
.rmvb
,
.vgm
Albumartist
None
Grouping
None
B.2.3. Limitations of metadata handling
1. Multiple tags (e.g. for Genre) are not supported. The first tag item of a set of
multiple tags is used.
2. Only one tag type is supported for each audio format.
3. Overall there are 900 bytes available to load metadata strings.
4. The maximum size of each metadata item (e.g. Artists) is limited to 240 bytes.
The Rockbox manual
(version 3.14)
Iaudio M5