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[salora]

Hi everyone
Hère is my setup

À computer with powerdvd15 mc20 with wdm driver, an asus hdav 1.3 deluxe an NVIDIA vidéo card with HDMI 1.3 and a Denon avr3808.

When i play a blu-ray with 7.1 sound :
Over hdmi my receiver see 7.1 sound.
Directly to the soundcard it sees 7.1 sound.
Over mc20 wdm driver , it sees 2 channel sound.
I can't see what parameter to change, if i decode sound with powerdvd15 or not it doesnt change anything.

Thanks for help
Regards

[CountryBumkin]

I don't use WDM so maybe this won't help/work - but if you go the Windows Sound properties, click on the WDM properties, and look at the Advanced Tab, does it give you the option to select higher quality?

[salora]

Of course it was set to 2 channel... Pffff big fail hère
Thx

[stewart_pk]

Just remember that everytime you update JRiver (or it updates itself) you need to go back into the settings and change it from 2 channel to 5 or 7.
Another thing I find is I get major audio lag if I have a different sample rate for the WDM driver then the source which is almost always Power DVD.
So PowerDVD is almost always going to be 48KHz so that's what I set the WDM driver to so it does no re-sampling.

[6233638]

Just remember that everytime you update JRiver (or it updates itself) you need to go back into the settings and change it from 2 channel to 5 or 7.

If installed as an administrator, it seems that may not be the case: https://yabb.jriver.com/interact/index.php?topic=97111.msg676366#msg676366