Re: Silent noise while running simple OSS program and moving mouse?

From: Evgeniy Khramtsov via freebsd-multimedia <>
Date: Sun, 16 May 2021 22:27:32 UTC
Well, it is the opposite of a professional one.

> qaudiosonar
> Start virtual_oss with EQ support to filter away the frequency.

I'll check both, thanks.

I thought that standard PC tuple with S16_LE / 44800 / stereo should
always work, maybe not...

Maybe stuff like SNDCTL_DSP_LOW_WATER and switching to non-blocking IO
may help, idk, I'll report if I resolve this myself.


On Mon, May 17, 2021 at 12:17:31AM +0200, Hans Petter Selasky wrote:
> Hi,
> Are you using a professional balanced audio microphone? If no, then 
> information is leaking via ground on the mainboard :-(
> Been there done that :-)
> --HPS