Sound configuration

[motorhead]

Hi!

Im having troubles finding the best audio configuration for each emulator, Im using this configuration for most of them:

/home/pi/RetroPie/configs/all/retroarch.cfg:

audio_enable = true
audio_out_rate = 44100
audio_driver = sdl
audio_sync = true

For NES and Megadrive works great, for SNES seems to work ok, except in some games, but for MAME…

I tried sdl, alsa and other drivers listed on retroarch.cfg with different rates, but with ones it has no sound, with others games run great but the sound its not fully working, and others make games run slow… Can someone help me with this? It will be great to have a list with better audio configs for each emulator.

Thanks!

[kitchuk]

Some mame games won’t have sound as they need extra sound files (samples). Also the retroarch mame emulator is not that good I would recommended pi-mame instead.

Sent from my GT-I9300

[motorhead]

Hi!

This overclock settings worked for me:

arm_freq=1000
gpu_mem=384
avoid_safe_mode=1
core_freq=500
sdram_freq=500
over_voltage=4
force_turbo=0

Sound on snes games its perfect now, and Mame runs great too!!

[masterehm]

@motorhead: Work the overlock setting for you without freezes? Do you use a heatsink for your raspberry pi?

If I use those settings, my raspberry pi freezes in emulationstation.

[motorhead]

Hi! This overclock settings are working like a charm! My Pi has heatsink now, but I installed it last week, the rest of time was working without it, without freezes and the games are working great! The only issue that I have it’s sound…

If you use an standard overclock setting from raspi-config works?? Try using standard 1000Mhz configuration and if it works maybe overheating is not your problem.

If it keeps freezing, try lower configs midifying core_freq=500 by hand, it makes the difference.

[masterehm]

Yepp, thats true, core_freq makes the difference. My settings:

arm_freq=1000
gpu_mem=384
core_freq=450
sdram_freq=500
over_voltage=6
avoid_safe_mode=1
force_turbo=0

And what sound Problems do you have after overclocking? A crackling on some games?

[motorhead]

Yes, music has some strange noise, but FX seems to be working ok, and games run full speed…

[masterehm]

To play safe, what do you mean with “FX seems to be working ok”? Do you mean the special effects / graphics or do you mean games with a super fx chip [1]?

And basically, what are your experiences with super fx games, e.g. Star Fox? Are they playable?

[1] http://en.wikipedia.org/wiki/Super_fx

[motorhead]

Hi! With FX sounds I mean special effects, not Super FX games. It’s the music what has crappy sounds. SNES, NES, MAME and SEGA ones are perfectly running, but is FBA which has that strange noise.

[RetroMarine]

Will these settings fix psx games? I’m trying to play crash bandicoot games and they all run like shit. How do I change to these settings, since they’re not options from the sudo raspi-config menu?

[motorhead]

Hi! You need to write it manually.

For all emulators:
/home/pi/RetroPie/configs/all/retroarch.cfg

If you want that changes only affect a single emulator edit retroarch.cfg in his own directory, and copy the lines from the “all” file:

/home/pi/RetroPie/configs/snes/retroarch.cfg
/home/pi/RetroPie/configs/mame/retroarch.cfg

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