hi Bill! Anno domini 2020 Thu, 10 Dec 12:47:09 -0800 William Morder via tde-users scripsit: > Just wondering if anybody else here has encountered this problem, and what to > do about it. > > When I play an instrument through kmix, I must enable loopback mixing, but > this creates a hiss in the speakers, which in turn tends to create > feedback -- in particular, when I plug in a hollow-body electric guitar. > > This has only been a problem since I upgraded from Devuan Jessie. I used to > play through my computer speakers all the time, using them like a guitar > amplifier. (There is another device, a headphone amplifier, which I use as a > kind of pre-amp.) But otherwise, nothing in my setup has changed, except that > I have upgraded to Devuan Beowulf. > > I would like to get rid of that hiss, and I don't remember having to enable > loopback mixing before. I have only recorded a little since upgrading (using > audacity), but it doesn't seem to affect recording quality too much, because > I plug headphones into my computer speakers, which eliminates both hiss & > feedback problems. > > Sorry for the detailed presentation; feel free to snip. The main problem is > kmix-trinity, and whether anything has changed between Devuan Jessie and > Beowulf, namely, loopback mixing. Or have I somehow misconfigured it? > > Bill If I recall correctly the loopbackdevice is connected internally to PCM, but not to the line-in-plugs. That hising is just noise. Please start alsamixer and play around with the controls, on some hardware you need to bring the sound devices into a "good" state before kmix can take over. Nik > > > > > > > > > > ____________________________________________________ > tde-users mailing list -- users@xxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxx > Web mail archive available at https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@xxxxxxxxxxxxxxxxxx > -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ... ____________________________________________________ tde-users mailing list -- users@xxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxx Web mail archive available at https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@xxxxxxxxxxxxxxxxxx