I'm capturing my guitar through dsnoop with the configuration listed below. This input is just forwarded to the dmix output by a trivial puredata patch. Disregarding the buffer sizes, the output is a bit noisy, it makes a frying noise. The same pd patch on top of jack with equivalent period and buffer sizes (or even smaller) and the same sample rate gives a clean output. Do you have any idea about what can be causing the noises? My card is HDA-Intel - HDA VIA VT82xx, which I think has native 48000 sr, so there should be no resampling involved. Buffers seem big enough (with jack I usually find that quality is acceptable for much smaller buffers, for example 4 periods with 64 frames per period).
Thank you in advance
Cheers,
Carlos
type dmix
slave {
pcm "hw:0,0"
channels 2
period_size 1024
buffer_size 4096
rate 48000
}
}
pcm.dsnooped {
ipc_key 1027
type dsnoop
slave {
pcm "hw:0,0"
channels 2
period_size 1024
buffer_size 4096
rate 48000
}
}
pcm.asymed {
type asym
playback.pcm "dmixed"
capture.pcm "dsnooped"
}
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