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what little i could figure out by staring at the binary data
Nintendo 3DS Sound is the music playing and audio recording application that is included with all retail consoles.
It loads audio files from the sd card. It supports MP3 and XXX audio files and supports m3u playlists.
== Playlist file format==
The application allows for user created playlists. They are stored on the SD card.
{| class="wikitable" border="1"
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| Magic bytes, 'O', 'V', 'A', 'F' or "FAVO" endian corrected.
|-
| 0x4
| 0x4
| Always integer with value 16
|-
| 0x8
| 0x4
| Seems static?
|-
| 0xC
| 0x4
| Zero Padding
|-
| 0x10
| 0x2
| Varies?
|-
| 0x12
| 0x2
| Icon
|-
| 0x14
| 0x2
| Song file count
|-
| 0x20
| 0x100
| Playlist name stored in UTF-16
|-
| 0x120+n*size
| 692
| File name stored in UTF-16. Repeats for the rest of the file.
|}
[[Category:File formats]]
It loads audio files from the sd card. It supports MP3 and XXX audio files and supports m3u playlists.
== Playlist file format==
The application allows for user created playlists. They are stored on the SD card.
{| class="wikitable" border="1"
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| Magic bytes, 'O', 'V', 'A', 'F' or "FAVO" endian corrected.
|-
| 0x4
| 0x4
| Always integer with value 16
|-
| 0x8
| 0x4
| Seems static?
|-
| 0xC
| 0x4
| Zero Padding
|-
| 0x10
| 0x2
| Varies?
|-
| 0x12
| 0x2
| Icon
|-
| 0x14
| 0x2
| Song file count
|-
| 0x20
| 0x100
| Playlist name stored in UTF-16
|-
| 0x120+n*size
| 692
| File name stored in UTF-16. Repeats for the rest of the file.
|}
[[Category:File formats]]