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- by holyice7 at 11:57 AM EDT on July 9, 2009
- I'm not sure what you think I meant by that post. What I did was I went and uninstalled chipamp to get rid of that VGM plugin that didn't do me any good anyway, because it was screwing up my GYM plugin, because the old Sonic 3D Blast files had some sort of basic tags on them, and I was curious to see if it listed what emulator was used. Thankfully, I found Megasis on some abandoned Japanese Geocities page.
The point is that these GYMs are as good as the original set because...this is the emulator used to record them. I don't know what the hell is wrong with the output of all the others, but this one works.
- by SmartOne at 9:24 PM EDT on July 9, 2009
- I'd still like to hear the difference.
- by Warpstar at 9:32 PM EDT on July 9, 2009
- The docs for the Sonic 3D Blast VGMs do acknowledge some issues with the set:
Some tracks sound a little funky, like Title Screen and Game Complete. Simple Explanation: This is due to inaccuracies in the VGM Format and so there's nothing I can do about it.
Some of the Drums have noticeable white noise. This
is in the game as well, but due to the same stuff
above, it's more noticeable and can't be fixed.
- by holyice7 at 12:58 AM EDT on July 10, 2009
- You want to hear the difference between a VGM track and a GYM track?
I can do that.
Here's your VGM. Notice how all the drums sound maxed out, some of the high notes are drowned, and the general white noise present in the track.
And here's an example from my GYM re-rip, that I recently completed. Everything sounds as accurate as if you were playing on the Genesis itself, though even getting that is really a gamble on which emulator you use. Megasis v0.06a seems to have the best direct GYM output I've heard.
Maybe it's just me, but VGM seems to work fine with Game Gear games, but not Genesis games. From the distortion I'm hearing, and this is just me with my limited scope of how distortion works, maybe the whole thing is a hardware emulation issue having to do with the Genesis drawing more power to its sound chip than the Game Gear did, which causes severe distortion.
Well, it's an interesting discussion either way...but in the meantime, I'll upload my GYM set to Zophar's.
- by SmartOne at 1:51 AM EDT on July 10, 2009
- The VGM sounds like your GYM recording (actually better) in Fusion with VGM_PLAY, which proves that it is an emulator accuracy issue. I really tried to hear a problem and compared the Sound Test to the VGM. They are identical. The VGM recording you provided sounds like the old in_vgm included in Chipamp. Chipamp is extremely outdated, by the way, as is in_vgm. I think Dark Pulse's statement in the set info is incorrect.
Until someone (perhaps Maxim) writes a more accurate plugin, I'm stuck with Fusion ROM-building fun.
- by kode54 at 2:18 AM EDT on July 10, 2009
- The drums will never sound the same between GYM and VGM. The reason for this is that the playback sample rate has to be approximated for GYM, but will always be smooth. Whereas for VGM, the samples are quantized to 44100Hz timing, including any flaws in the original game playback code, such as sound code which doesn't play samples during the vsync interrupt, causing silent gaps at 60Hz. Smoothing out the playback rate to avoid these gaps and possibly filter noise out would require considerable effort on the part of the player.
As for the FM chip emulation being too muffled, the frequency response depends on the emulator and the resampling algorithm used on the output. The result should be binary accurate, but perhaps could use a high frequency boost to match the actual hardware. Eh, I don't know.
- by Warpstar at 2:33 AM EDT on July 10, 2009
- I tried it in VGM_PLAY and still thought the drums sounded a bit crunchy. The hats weren't overwhelming the rest of the music like in the example track, though. Everything else sounded fine.
- by holyice7 at 4:46 PM EDT on July 13, 2009
- Well, it's done either way.
If anyone figures out something better, lemme know.
- by Elven Spellmaker at 9:34 PM EDT on July 13, 2009
- I was under the impression that VGM was better than GYM...
I have no problem with the quality of my VGM/Zs.
Perhaps I should try and find the GYM versions of them, if they exist and see if they are better.
But for that I would also need a GYM plugin as I don't think I have one, or know one.
- by SmartOne at 9:45 PM EDT on July 13, 2009
- The bottom line: No GYM plugin can beat VGMs played through Kega. Neither can any VGM plugin, come to think of it. ;)
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