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Re: ALSA mystery



Charles Kroeger [2015-10-14 00:21:59-04] wrote:

> /etc/asound.conf
>
> pcm.!default {
>      type plug
>      slave.pcm {
>              type hw
>              HDMI 0
>              device 3
>      }
> }

> The mystery:

I'm not sure I can solve your mysteries but there is something you could
try. Set ALSA's default control unit (mixer) for your device.

    # Something like this
    ctl.!default {
        type hw
        card 0
    }

If your device doesn't have a hardware mixer use ALSA's software mixer
to connect all different audio inputs using "default" ALSA output.

    pcm.!default {
        type plug
        slave.pcm "mymixer"
    }

    pcm.!mymixer {
        type dmix
        ipc_key 1024
        ipc_key_add_uid 1
        slave.pcm {
            type hw
            HDMI 0
            device 3
        }
        slave.rate 48000
    }

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