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choppy sound

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istorch:
The post with the specs for cpu is great-  I had a pentium 4 and as stated on previous posts, it was pre-historic and not running games well. just got a quad 4 ? don't know specs but runs everything in mame pretty well at first look- a gift from dad so can't beat the price.  The sound, however is very choppy- is there a way to fix this?

vandale:
have you enabled multithreaded CPU? Can you give other info, like OS, ram, actual CPU model and what games are exhibiting choppy sound? Thanks

AMG KC:
What do you have the sound and graphics settings set to? I have experienced choppy sounds with certain graphics settings enabled, although im not sure if that will be your problem. Setting the sound settings for individual games can cause issues. Turn off frame skip unless you need it, that could cause sound issues.

If youre running the latest version of MAME, which last i looked was .152 for the x64 ui version, you may need to have some of the ROMs for the newer version, as there is occational changes.

As Vandale stated also, we really need to know what game or games the sound is not working properly on.

It might also be worth running task manager to see the CPU load while the game is running, if its sitting on 100% then thatll cause issues with some things too. If it is on 100%, check the resourse monitor to make sure no cores are parked, although it shouldnt be an issue if you have the operating system set to high performance and no power saving features are enabled.

Press Windows key and PAUSE/BREAK key together and it will bring up a screen to tell you system properties, itll tell you CPU model and speed as well as installed RAM.

BadMouth:

--- Quote from: istorch on March 30, 2014, 08:35:13 pm ---just got a quad 4 ? don't know specs but runs everything in mame pretty well at first look
--- End quote ---

Start>Computer> then right click in a blank area and select properties
That should give you the specs.
(I think that's still valid for older OS's like XP, but it's been a while)

For MAME and some other emulators, a quadcore processor doesn't make much difference if the emulator is limited to one core.
The extra core might help with overhead, but 2ghz is still 2ghz (when comparing processors from the same generation).

This is changing.  Some of the newer MAME drivers utilize multiple cores, but they also require killer speed.
I'm pretty sure I remember hap (a MAME dev) mentioning that Ridge Racer utilizes multiple cores.

Supermodel Emulator was utilizing up to 3 cores last time I checked.

Howard_Casto:
Maybe if hap is around he can chime in and explain, but I don't even think it works that way.  The way I understood it, 64bit mame would use your cores to part out various tasks but that's about it.  Like maybe the sound engine would go to one core, the video to another ect.  How many processors the game had didn't really matter.

Like you said though, it doesn't matter because having multiple cores doesn't help THAT much, and most of the games people have issues with just need really beefy processors. 

What multiple cores are good for is if, for example you can run a game 100% but just barely.  On a single core system you wouldn't be able to enable the hlsl effects... they take too much overhead, but on a quad core system you probably could. 

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