HDMI surround sound with projector - AVS Forum | Home Theater Discussions And Reviews
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Old 08-10-2013, 12:30 PM - Thread Starter
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I posted over in the Digital Projectors - Under $3,000 USD MSRP forum, and was directed here to see if I can learn anything more
Original Post

Current setup:
Xbox 360, Wii U, PC -> HDMI to Monoprice HDX 401ta HDMI switch
HDMI switch -> S/PDIF Optical audio to Harman Kardon AVR 147 receiver
HDMI switch -> HDMI video to Mitsubishi HC1500 projector
Cable TV is not hooked up very often, so it is not really a concern.

(most of this is repeated from the other post)
I have not been able to get my Wii U, Xbox, and PC to properly play 5.1 audio through my receiver. Optical audio connections are available for the PC and the xbox, but the Wii U only has HDMI (for HD). I remember researching it and finding out that the HDMI audio signal has to conform to what the endpoint (projector) says that it can handle, which causes my signal to be stereo. If this is true, is there a way to avoid it? Would a newer AVR that has HDMI splitting allow me to remove the switch and still get high quality audio? I'm not really an audiophile, but I would like the best quality audio that my devices can output.

I am planning on replacing either my projector, my AVR, or (hopefully) both. My projector bulb is near end of life, so rather than buying a new bulb I am thinking of replacing it with something that can handle 1080p. The receiver works just fine, but is from the era when HDMI was new, so it is quickly becoming the device that is holding me back.

Possible replacements:
Optoma HD131Xe projector
Sony STR-DN840 receiver
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Old 08-10-2013, 06:15 PM
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A modern AVR will solve your problem, and will let you eliminate the separate audio connection. There are work-arounds for your current gear which involve spoofing a sink with 5.1 audio, but because you are already considering a new AVR, IMHO the money is better spent on a proper solution.
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