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Apparently not all GS-only sc-55s are the same, some are GM

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Reply 200 of 202, by Falcosoft

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7F20 wrote on 2024-01-12, 02:46:
Weird. I have Blood sound setup set to Sound Canvas, I expected that's what it meant. What else could it be? […]
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Falcosoft wrote on 2024-01-12, 02:34:
7F20 wrote on 2024-01-11, 22:03:

So, I'm seeing while playing Blood that fluidsynth is missing a bunch of sounds (bank 56) using pretty much any .sf2 file I throw at it. What do I have to do to get complete sounds in Blood? Is it a situation that I would have to seek out and buy a specific SC-55 unit in order to even get the full compliment of instruments?

SC-55 (or even SC-88, SC-88Pro) does not have valid instruments at Bank 56 either. If it's not a conversion error then that Blood track is definitely not meant to be played on an SC-55.

Weird. I have Blood sound setup set to Sound Canvas, I expected that's what it meant. What else could it be?

Incidentally, I left this post here because on Page 9 of this thread, user spiffythedog notes that Blood uses "CTF for invalid variation tone bank change messages," so I thought that might be a clue to the error messages.

To be honest, I'm not sure what's it's supposedly missing at Bank 56, but it's substituting Bank 0 instead, so maybe that points to something? I wonder if it's playing the wrong stuff?

The original SC-55 plays the corresponding capital tone (Bank 0 + Program) when it receives an invalid Bank select + Program change message. This mechanism is called CTF (Capital Tone Fallback). SF2 softsynths like FluidSynth and BassMidi (and even Sound Blaster's HW SF2 synths) use the same mechanism when your SF2 soundfont is missing a preset at the requested Bank + Program combination.
So you do not miss anything. It's another question what the original intent of the composer of affected tracks was.

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Reply 201 of 202, by 7F20

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Falcosoft wrote on 2024-01-12, 03:17:

So you do not miss anything. It's another question what the original intent of the composer of affected tracks was.

It was suggested by user spiffythedog that it may have been composed for the AWE32. Perhaps that means that the SC version was an afterthought and they didn't really care about the CTF in bank 56?

This guy did a rip of the AWE32 version and put it on youtube: https://www.youtube.com/watch?v=tlfHoeOTO6s

As he points out in the comments, the drums really suck. I think I'll take an SC version of it, even if it's not completely accurate

Reply 202 of 202, by Mad_Wolf

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Hello all
I have a sc55(no mk2) and had nearly perfect mt32 emulation.
20 days ago everything was working perfect but for the last 10 days in mt32 emulation all the music sound strange
The rom is 2.0. I tried it with different soundcards and systems but the result is the same.
Games like doom are the same but all the other lucasarts games sound strange as I mentioned before.
Is there anything I should check or do ?
I reset the gs and all the setting but nothing changed.