Audio

Switching audio device from the GUI

First Select the correct driver of you card,in my case is ¨alsa¨ You need to restart RetroArch for this change to take effect.

then, you can go to the Audio Settings and switch the Audio Device using the left and right keys.in my case is ¨hdmi:CARD=Intel,DEV=0¨ You need to restart RetroArch for this change to take effect.

You can also Switching audio device manually

But please bear in mind that you need to stop retroarch before editing the configuration file.

Listing your audio cards

To list those cards, you have use the command line interface and type one of these commands:

aplay -L

You will get this kind of output:

null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
default
    Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=PCH
    HDA Intel PCH, CS4206 Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    Front speakers
surround21:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, CS4206 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
    HDA Intel PCH, HDMI 0
    HDMI Audio Output
hdmi:CARD=PCH,DEV=1
    HDA Intel PCH, HDMI 1
    HDMI Audio Output
hdmi:CARD=PCH,DEV=2
    HDA Intel PCH, HDMI 2
    HDMI Audio Output

Setting audio_device

The retroarch.cfg file is located in /storage/retroarch/applications/config

The config key for the audio device is audio_device. For example:

audio_device = "hdmi:CARD=PCH,DEV=0"

Go and Edit the retroarch.cfg in /storage/retroarch/applications/config

But please bear in mind that you need to stop retroarch before editing the configuration file.

Audio Output Rate

The default rate, 48KHz, should be OK in most case. If you hear audio crackling or if games are slow like 55fps, you may need to use 44.1KHz instead.

Related

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