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by emissce at 3:07 PM EDT on July 27, 2020
I am not very experienced in VGM ripping myself, but I can say for sure that the sequences in the GBA version of Rhythm Tengoku are stored in MIDI. It becomes very apparent once you search for the "MThd" header in the game's ROM.

edited 3:56 PM EDT July 27, 2020
by JacintaB19 at 5:33 AM EDT on July 29, 2020
Here is the link to the extracted MIDI files from the GBA version.

Link

And can MIDI files store music, or SFX, or even both?

edited 6:15 AM EDT July 29, 2020
by JacintaB19 at 2:41 AM EDT on August 1, 2020
I know that the GBA version has it's own soundfont for the music and SFX, so how can i get it. I tried on VG Music Studio, but it's no use. Any tools for this?

edited 2:43 AM EDT August 1, 2020
by JacintaB19 at 1:13 AM EDT on October 15, 2020
Getting a soundfont from a non-sappy GBA game can be tricky. Any help on ripping that?

edited 1:15 AM EDT October 15, 2020
by almendaz at 9:01 PM EDT on October 20, 2020
Hello! I do not know the process of BUILDING a soundfont. Before building a soundfont file, one has to extract the sound samples, then, some other things (cannot tell more than this as I do not know soundfont format).
The sound samples could be adpcm, pcm, be either pcm8 or pcm16 (rare for a gba), also they coold be signed or unsigned (no priority on that, so 'visually' discerning the bytes is exhausting!). The sure thing is, samples's starting offset could be a multiple of 0x800 (2048 bytes), or else some other number multiple of 0x100 at least. Depending on their 'signedness', the samples could have a bunch of starting '0x80' or '0xF0' or many pairs of '0xFF' bytes.
You could try loading the ROM with audacity or some other DAW or sound editor, as 'RAW' and then input manually the sound parameters; afterwards get the 'time offset' (position) for each sample, and do calculations based on their sound format in order to get their offset in the binary.
The SEQUENCE data, that is entirely on another league. By now you may very well have learned that any dev can create their own customized seq. format for their games.

edited 9:03 PM EDT October 20, 2020

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