[mythtv-users] "Use Highest Quality Mode" under audio setup/test results in no sounds
jyavenard at gmail.com
Sat Mar 8 11:20:39 UTC 2014
Le samedi 8 mars 2014, Paul B. Henson <henson at acm.org> a écrit :
> I'm working on bringing up a new mythtv backend and front-end running .27.
> My front end has an nvidia card with HDMI out connected to a 7.1 receiver.
> While configuring the audio, on the setup/test page, it successfully
> generates sound out of each of the seven speakers and the subwoofer, unless
> I check the "Use Highest Quality Mode" option box, in which case it
> generates no sound at all.
> Obviously, for now, I just left the box unchecked ;). But I'm curious as to
> exactly what that box is supposed to do, and why it might cause my system
> not generate any sound at all?
> Thanks much.
By default the audio test uses 16 bits audio, 48kHz pink noise samples
With highest mode on, it uses whatever best mode your audio card support.
Typically 32 bits, 192kHz
It doesn't work with most audio cards, unless you've seriously bumped the
hardware audio card buffer
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