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Want HDMI video but not audio

post #1 of 8
Thread Starter 
Hi,
I am about to replace my plasma monitor. The old monitor only supported component video. The new one has several HDMI inputs.

My question is, can I utilize HDMI for video only and continue to use my existing digital audio outputs?

I haven't actually selected a Blu-ray player yet. I want to get "all my ducks in a row first".

My receiver is a Denon 4802 thats about 7 years old. I bought it before there was any HDMI. All my sources use component for video and either digital coax or optical for audio. When I get the Blu-ray can I not use HDMI for audio but still use HDMI for video? I assume I need HDMI video in order to get full 1080p. correct?

Thanks in advance,
Steve
post #2 of 8
First, you can send 1080p to your plasma over component for BD discs (just not for upscaled SD DVD). Second, you can send HDMI to your display and still use analog or digital audio to your receiver simultaneously (just reduce the audio on the display to zero if you don't want anything coming from the display's speakers).
post #3 of 8
Thread Starter 
BillP,
Thanks for the quick response. As for the monitor, its a true monitor with no speakers. I use my home theater speakers. So there is no audio associated with the monitor.

It sounds like I am better off using video over HDMI instead of component since I have that choice. Correct?

I was just wondering if loose anything audio-wise by using the digital audio and not making use of the HDMI audio.

thanks,
Steve
post #4 of 8
Quote:
Originally Posted by saz25 View Post

BillP,
Thanks for the quick response. As for the monitor, its a true monitor with no speakers. I use my home theater speakers. So there is no audio associated with the monitor.

It sounds like I am better off using video over HDMI instead of component since I have that choice. Correct?

I was just wondering if loose anything audio-wise by using the digital audio and not making use of the HDMI audio.

thanks,
Steve

Depends. You could use analog 5.1 outs to get the same quality, you just have to run 6 cables and make sure that you get a blu ray player that supports that. The Denon and Pioneer units jump to mind, as does the upcoming Oppo player.
post #5 of 8
Quote:
Originally Posted by BillP View Post

First, you can send 1080p to your plasma over component for BD discs (just not for upscaled SD DVD). Second, you can send HDMI to your display and still use analog or digital audio to your receiver simultaneously (just reduce the audio on the display to zero if you don't want anything coming from the display's speakers).

You can only send 1080i over component for BD.

S~
post #6 of 8
SAZ,

Your best bet would be to run HDMI to your TV. You would also be better served audio wise to use the 5.1 multichannel inputs of the receiver over optical or coax in order to take advantage of the advanced audio codecs (TrueHD and Master Audio). These are unavailable over optical/coax. The most you will get is standard DD and DTS (although at a slightly higher bitrate than most SDDVDs). Get a BD player that decodes everything and has analog outputs such as the Panasonic BD80, Samsung 3600, Sony 550, etc.

S~
post #7 of 8
Nice move on Plasma monitor. I wish more displays were made as monitors only. Samsung has option for internal mute to completely turn off the audio system but I never use internal speakers so I wish I there were more displays with no speaker at all.

The audio in an HDMI stream is sent between frames in the blanking interval. If a device doesn't support audio it simply ignores it and looks for the start of the next video frame. That is why HDMI is backwards compatible with DVI. DVI spec has no standard for audio. No DVI sink will understand the audio signal. However a DVI display will simply ignore everything in the blanking interval. The blanking interval was used to give CRT based displays time to re-align electron gun. So it is backwards compatibility built on top of backwards compatibility.

Quote:
Originally Posted by saz25 View Post

It sounds like I am better off using video over HDMI instead of component since I have that choice. Correct?

Theoretically yes. However in most instances (not all) most people can't tell the difference between component & HDMI once they are both calibrated. Unless you have a specific reason to use component I would use HDMI.

Quote:


I was just wondering if loose anything audio-wise by using the digital audio and not making use of the HDMI audio.

Digital Audio can't carry full resolution of advanced codecs like TrueHD & DTS-HD.

If you AVR does not have analog input then digital (s/pdif) is your only option.

If you AVR does have analog input then your will want a player that has 5.1 or 7.1 analog outputs.

Ultimately if in the future you upgrade to an AVR w/ HDMI in out you can hook it up like BD Player -HDMI-> AVR -HDMI-> Plasma. If nothing else it is good for reducing cable clutter. 5 HDMI sources connected with audio & video connections using only 5+1 cables (5 to AVR, 1 to display). That is my wifes idea of AV nirvana.
post #8 of 8
Thread Starter 
Hi,
The reason I have to do that is because I have a plasma monitor. Its not a TV. So no speakers and no tuner. So I have to send the audio to my home theater A/V receiver and then to the speakers.
Steve
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