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Old 18th March 2014, 18:11   #1  |  Link
Nachbar
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Join Date: Jun 2012
Posts: 33
CVT Reduced Blank (CVT-RB) loses HD audio capability

I am losing the capability of playing HD audio formats via HDMI when I use my television. This only occurs when I set my television to "CVT Reduced Blank" in the custom resolution option. I have to use that setting to get full 1080p to work correctly otherwise I have an overscan issue. However if I instead use the automatic setting and then resize the desktop to 1824x1026 to correct the overscan I then get my HD audio capability back.

My card is a EVGA Geforce 560 Ti 1GB which has 2 DVI slots and a mini HDMI slot. I tried all the slots using the supplied adapters that came with my card but to no avail.

To clarify what HD audio I am losing:
CVT Reduced Blank @ 1080p: DTS, DD+, DD @ a max of 24-bit, 96khz
Resized desktop @ 1824x1026p: DTS, DD+, DTS-HD, Dolby TrueHD, DD @ a max of 24-bit, 192khz

I have a MSI Geforce 650 in my other computer that I am going to try later tonight to see if that works. I would really like to be able to use 1080p while retaining HD audio capability over HDMI. I am open to any and all ideas on how to make this work.

System specs:
EVGA Geforce 560 Ti 1Gb with 335.23 WHQL drivers
Intel Core i5-3570K 3.4GHz Quad-Core
Asus P8Z77-V PRO ATX LGA1155
Pioneer VSX 1021-K receiver -> Magnavox 40mf430b/f7
Acer H233H Monitor
Windows 7 SP1 64-bit
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