On Thursday 12 June 2008, Grant wrote:
> I'm trying to get music from mpd to my USB DAC in 100% untouched
> form. My mpd.conf is as follows:
>
> audio_output {
> type "alsa"
> name "USB Monica"
> device "hw:0,0"
> format "44100:16:2"
> }
Don't know anything about mpd but you can set up an asoundrc "plug" in
alsa that will fix the rate from alsa to the device. The following
example works for me:
======================================
pcm.my_device {
type hw
card 0
}
pcm.my_device_44 {
type plug
slave {
pcm my_device
rate 44100
}
}
pcm.my_device_48 {
type plug
slave {
pcm my_device
rate 48000
}
}
======================================
The set the output of your app to the plug device. For example, in
Audacious > Output Plugin Preferences > Device Settings > Audio device:
type "my_device_44". Also disable the rate converter and check bypass
signal processing. Not to mention, per this example, to use a 44.1kHz
source file.
I use it to insure that my audio does not get munged.
Of course if the actual hardware (my_device) does not support the sample
rate, or its clock is not to set to that sample rate, then you will not
get playback.
--
Chris
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