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

From: Hans Petter Selasky <>
Date: Sun, 16 May 2021 22:17:31 UTC
On 5/17/21 12:01 AM, Evgeniy Khramtsov via freebsd-multimedia wrote:
> Hi.
> I wrote this simple OSS program that outputs sound from microphone back
> to the speakers (the close() and stuff is omitted):
> It works, though for some reason I get some silent noise while moving
> mouse around. Any ideas what could be wrong? Thanks.


Are you using a professional balanced audio microphone? If no, then 
information is leaking via ground on the mainboard :-(

Been there done that :-)