Atlus PS2 Atrac3 files by TGE at 12:18 AM EDT on June 30, 2014
http://puu.sh/9PWmX/0dce4c8df9.7z
Some samples
I'd appreciate any help converting these
by bxaimc at 6:55 PM EDT on June 30, 2014
What game?
by TGE at 9:26 AM EDT on July 1, 2014
Shin Megami Tensei: Nocturne, Digital Devil Saga 1&2 and Devil Summoner 1&2
by mogikihei at 9:36 AM EDT on July 2, 2014
https://www.dropbox.com/s/yx7n50rywdhfoc0/at3.zip
1. add to the folder that contains the at3 the at3_header_add.bat and at3.header.
2. You can file that has been added header If you run the at3_header_add.bat.
3. Set in the libavcodec Atrac3 settings audio decoder by installing ffdshow.
4. It is a success if you can play in WMP.
(But, it is not possible to loop because there is no loop info in the data)
If you want to play in Winamp input plug-in "Nullsoft DirectShow Decoder [in_dshow.dll]"
The setting of the please add WAV (Example MPG;MPEG;M2V;AVI;WAV).

edited 2:46 PM EDT July 2, 2014
by TGE at 11:46 PM EDT on July 3, 2014
Thanks, it worked for most songs. However, some songs don't play at all.
http://puu.sh/9WhMS/c92c257d42.7z
by Sir-Sabin at 4:27 PM EDT on July 4, 2014
i think they aren't at3 or at3+ files, they could be something else

edited 9:36 PM EDT July 4, 2014
by mogikihei at 8:20 PM EST on December 14, 2016
https://www.dropbox.com/s/xcs8lee578e6bdi/at3_header_add.zip?dl=1
Able to play AT3 file that cannot be played back.
Please execute at3_2_header_add.bat (+at3_2.header).
(Please use at3_header_add.bat(+at3.header) usually)

And it's a way of looping, Use the Hex editor.
0x04: Write the total file size - 8 with little endian
0x78: Write the Loop start sample with little endian
0x7C: Write the Loop end sample with little endian
0x8C: No header at3 file size with little endian
Now loop playback with vgmstream.

Edit:
I think fast songs are bit rates not supported by ffmpeg.

edited 11:55 PM EST December 14, 2016
by richardpl at 4:25 AM EST on December 15, 2016
Fast songs are most likely wrong sample rate set in whatever header you provide.
by mogikihei at 10:37 AM EST on December 15, 2016
Sample: Shin Megami Tensei: Digital Devil Saga
No header at3 file
http://www.mediafire.com/file/u5q0x8vp7hxmem7/b_bgm1-3.at3
http://www.mediafire.com/file/rmvhd8j2pt89g9e/b_bgm1-4.at3

Add header at3 file
http://www.mediafire.com/file/gya5l17euiymbhd/b_bgm1-3h.at3
http://www.mediafire.com/file/d5r49raj58yb1vq/b_bgm1-4h.at3

0x18 is sample rate
80 BB 48000
44 AC 44100
00 7D 32000
C0 5D 24000

Any value can not be played back correctly.
Here is the correct playback.
https://www.youtube.com/watch?v=ynL6VeWT3GA

edited 10:47 AM EST December 15, 2016
by mogikihei at 12:23 PM EST on December 17, 2016
I was able to play it.
Cause had the wrong designation of the bit rate and channel.
0x16: channel, 0x01 is monaural and 0x02 is stereo
0x20: bit rate, 0x60 0xC0 0x130(30 01) 0x180(80 01).

http://www.mediafire.com/file/2vxuwd26i8t6iw8/b_bgm1-3hfix.at3
0x16: 0x01
0x20: 0xC0

http://www.mediafire.com/file/6r0b4k7iiyldgn3/b_bgm1-4hfix.at3
0x16: 0x01
0x20: 0x60

edited 12:25 PM EST December 17, 2016


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