I forgot to say that all other things being equal the output is clean too
for oss emulation without aoss, that is, without dsnoop, dmix and asyn.
Cheers,
Carlos
On 6/18/07, Carlos Pita <[EMAIL PROTECTED]> wrote:
Hi folks,
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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