Metroid Prime GCN NTSC - No Boss Music

[racerx6913]

So for both the Parasite Queen and the plant boss the music cuts out and goes silent. I'm running the nearly latest dev build '5.0-445' and whenever I enter the boss room the music just cuts out completely. Still get sound effects, and other noises, but no music. And immediately afterwards I get it back again. Suggestions?

[Shonumi]

Does it work in the stable 5.0? If so, then something broke with the latest development revisions. If that it the case, you can help the devs fix it by figuring out which revision caused the music to disappear.

[JMC47]

I believe there are still some HLE audio bugs in Metroid Prime, try using LLE.

[hyperspeed]

(09-22-2016, 06:22 PM)JMC47 Wrote: I believe there are still some HLE audio bugs in Metroid Prime, try using LLE.

From my experience I know it is not related with HLE or LLE coz it happens on both DSP backend, also it can happen with any BGM not only Boss BGM, but I notice that turning off Speed Up Disc Transfer helps a lot to prevent the BGMs from playing, unfortunate disable it won't fix it the issue may happen sometimes yet, with Speed Up Disc Transfer ON it happens a lot, I think it because dolphin is loading the next area too fast, so the game can't even read the BGM, Metroid Prime 2 and Metroid Prime 3 Corruption don't have this issue, I suspect Metroid Prime Trilogy from Wii also don't have this issue either.

Explaining better, this issue is not the type of issue that makes all BGMs stops from playing, it will only not play "that BGM for now", let me see, for example: the boss music, but after that, the next BGM will play just fine, however later another BGM can suffer the same issue and so on...

[JosJuice]

(09-23-2016, 06:59 AM)hyperspeed Wrote: I notice that turning off Speed Up Disc Transfer helps a lot to prevent the BGMs from playing, unfortunate disable it won't fix it the issue may happen sometimes yet, with Speed Up Disc Transfer ON it happens a lot, I think it because dolphin is loading the next area too fast, so the game can't even read the BGM

That would make sense. I haven't heard of this happening with Metroid Prime, but I know that several other games have very similar behavior. I don't know why turning it off doesn't fix it completely, though...

If you want to, you can test disabling dual core.

[hyperspeed]

(09-23-2016, 07:12 AM)JosJuice Wrote: That would make sense. I haven't heard of this happening with Metroid Prime, but I know that several other games have very similar behavior. I don't know why turning it off doesn't fix it completely, though...

If you want to, you can test disabling dual core.

Gotta test more but it appears to not change anything, while dolphin now emulate more accurate the loadings, making this issue hard to reproduce with Speed Up Disc Transfer OFF, I may have found a spot that the issue always happens, after you load a save, if you skip the cutscene and get out of the save room faster the next music will not play, instead it will play the save room BGM or nothing.

I don't remember to see this happening on my GC, except on the final battle VS Metroid Prime, the last form of him, if I skip the cutscene before the BGM of him starts the game wouldn't play the BGM of him. 

Here a example of the issue:
https://youtu.be/Qqo1VcCCxWI

Here how it works if I didn't skip the cutscene:
https://youtu.be/aF7QHH4vbzg

This was recorded on dolphin-master-5.0-664-x64

If I reproduce tes issue of not playing BGM here I will be recording so you guys can see it too.

[JosJuice]

There's an experimental build with even more accurate loading times that you can try: http://dl.dolphin-emu.org/prs/pr-3701-dolphin-latest-x64.7z

[hyperspeed]

(09-24-2016, 05:56 AM)JosJuice Wrote: There's an experimental build with even more accurate loading times that you can try: http://dl.dolphin-emu.org/prs/pr-3701-dolphin-latest-x64.7z

Alright will check it out.

BTW: In case anyone wanna check that room too here is my MemoryCard.

Edit: The save BGM issue still happens, however the door doesn't open immediately in this build, almost there just need to take 2 or 3 more second before that door open and it should be fine.

I will continue playing on this pr-3701-dolphin-latest-x64 and see if the BGM won't play on some areas/boss.

[JMC47]

We still have more stuff to do with loading times. It should be possible to make an accurate enough simulation.

[hyperspeed]

I couldn't reproduce any BGM not playing, the loadings are accurate enough for this issue on pr-3701-dolphin-latest-x64 build, awesome.

Except by that save BGM issue, that can be avoided not skiping that scene.