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Nintendo 3DS Sound is the music playing and audio recording application that is included with all retail consoles.
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 AAC encoded audio files and supports m3u playlists.
It loads audio files from the SD card. It supports MP3 and AAC-encoded audio files and supports m3u playlists.
== Playlist file format==
== Playlist file format==
| 0x18
| 0x18
| 0x04
| 0x04
| some kind of timestamp, for encryption (dosn't change when editing)
| Some kind of timestamp, for encryption (doesn't change when editing)
|-
|-
| 0x1A
| 0x1A
| 0x01
| 0x01
| checksum (icon?, header?) (dosn't change when editing)
| Checksum (icon?, header?) (doesn't change when editing)
|-
|-
| 0x1B
| 0x1B
| 0x01
| 0x01
| checksum (name?) (dosn't change when editing)
| Checksum (name?) (doesn't change when editing)
|-
|-
| 0x1C
| 0x1C
| 0x04
| 0x04
| always(?) integer with value 6
| Always(?) integer with value 6
|-
|-
| 0x20
| 0x20
| 0x120+(n*0x20C) => n<300
| 0x120+(n*0x20C) => n<300
| 692 (0x20C per song)
| 692 (0x20C per song)
| File name stored in UTF-16. Repeats for the rest of the file.
| File name stored in UTF-16, repeats for the rest of the file
|-
|-
| 0x2672F
| 0x2672F
== Sample reader ==
== Sample reader ==
This is a basic example of how to read a 3DS playlist. I know that this works on my specific system; on any other system, it's liable to fail. I'm not responsible if you hurt yourself.
This is a basic example of how to read a 3DS playlist.
<pre>/* This is free and unencumbered software released into the public domain.
<pre>/* This is free and unencumbered software released into the public domain.
/* Anyone is free to copy, modify, publish, use, compile, sell, or
/* Anyone is free to copy, modify, publish, use, compile, sell, or