When building my HT last year I did not run a 1.3a certified cable through my wall, I just used a 1.2a HDMI. What does this mean in terms of performance of my new Panasonic AE3000 projector? I see that lossless sounds cannot be transmitted with HDMI 1.2. Does this mean that if I have a 1.2a cable I cannot get lossless sound from my Blu-Ray player to my Yamaha RX-V663 receiver? Do you think I should hire an electrician to rerun a 1.3 certified cable or will I never see a difference between the two?

This is the HDMI that is installed. (http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10240&cs_id=1024005&p_id=4031&seq=1&format=2)

Have you tried it to see if it works?

From your post it sounds as if everything is in place and my bet is that it will work just fine as long as the rest of your components are 1.3a feature capable.

I'm no expert. :)

Have you tried it to see if it works?

From your post it sounds as if everything is in place and my bet is that it will work just fine as long as the rest of your components are 1.3a feature capable.

I'm no expert. :)

I have not tired it yet...

From what I have been reading an HDMI cable is an HDMI cable. The bandwidth specifications really just refers to the HDMI ports on the device and not if a cable has been 1.3a/b certified.

1.2 won't affect your video quality at short distances but it also doesn't have the bandwidth to support HD audio codecs from BD player to your receiver. An HDMI cable that can support high bandwidths is very important when you cables lengths exceed 20ft this is were 1.3 come into play as well.

1.2 won't affect your video quality at short distances but it also doesn't have the bandwidth to support HD audio codecs from BD player to your receiver. An HDMI cable that can support high bandwidths is very important when you cables lengths exceed 20ft this is were 1.3 come into play as well.Yes, as far as HDMI cables are concerned 1.2 or 1.3 just refers to the maximum bandwidth of the signals. But many 1.2 cables are perfectly able to transmit 1.3 signals for a reasonable distance. And most of that added bandwidth is required for transmitting 1080p video, not lossless sound, which still has a relatively low bandwidth compared to the video.

So try it and see how it works. If it doesn't you'll have gross indications in the picture and/or sound. HDMI, being digital, generally either works perfectly or very badly. There's no subtle degradation as you can get with analog signals.

Just to clarify a point or two:

1.3 does not signify greater bandwidth than 1.2. 1.3 Category 2 does (although, in any particular case, it's entirely possible that the 1.2 cable has just as much bandwidth as the Cat2 1.3); 1.3 Category 1 is tested to exactly the same bandwidth as 1.2.

The choice of audio format does not affect the data rate at all. Accordingly, while cable bandwidth might be relevant when you're dealing with differing resolutions, color depths, and frame rates, it is entirely irrelevant when dealing with the various different supported audio formats. What'll determine which audio formats will work will be the equipment at either end of the cable, not the cable itself.

Kurt
Blue Jeans Cable (http://www.bluejeanscable.com/store/hdmi-cables/index.htm)