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Crumbtrail TV Forums: TV Equipment: HD TV Forum:
Only one HD port on my HDTV !help!

 

 


chipper
New User

Nov 29, 2006, 12:26 AM

Post #1 of 11 (3742 views)
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Only one HD port on my HDTV !help! Can't Post

Hi, im new to the forums and dont know a whole lot about TV's but i was wondering if u could help me, I recently bought a Dish HDreciever for my hdtv,I am going to buy an Xbox360 for my son for Christmas, I want to hook it up to the HD but dont want loose the $150 a month i pay for the dish HDreciever, Is there any product out there that i can use to plug in both products at the same time since i only have one hdmi port, I was also wondering if an A/V selector would work for this to switch bewtween programs.

Thank's



denonjapan
Veteran

Nov 29, 2006, 3:59 AM

Post #2 of 11 (3731 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post

check this out: http://www.cablestogo.com/...d=3108&sku=40364

There are alternatives for component av switch, hdmi or DVI-D, but make sure either one you choose, always get a powered AV SWITCHER.

denonjapan
made in japan


chipper
New User

Nov 29, 2006, 9:50 PM

Post #3 of 11 (3721 views)
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Re: [denonjapan] Only one HD port on my HDTV !help! [In reply to] Can't Post



How do you think this one would work http://www.radioshack.com/...mp;parentPage=family
I really like this one because it is only $80 and still sounds quite good, what do you think?


TANK1
Enthusiast

Nov 30, 2006, 12:10 AM

Post #4 of 11 (3717 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post

Some information on a HDMI switch

What features do I look for in a HDMI switch:

- Expandability: 4 ports devices are recommended for future expandability. If you use a 2 port, then you have no expandability. It is likely that future HD sources such as games stations, HD DVD player/recorders will utilize HDMI.

- HDCP transparancy: any switch must pass HDCP data between source and monitor.

- Backward compatibility with DVI-D: There is a mix of both HDMI and DVI-D devices in the field. Users should select a HDMI switch rather than a DVI-D switch since HDMI is backward compatible with DVI-D. With a HDMI switch., the user just chooses the correct cables needed; either HDMI or HDMI to DVI-D to customize to your system.

- Remote control: A remote control to select the desired channel is essential.


Design consideration of a HDMI switch:
HDMI is extremely high speed digital transmission standard with an aggregate data rate of ~4.95 Gbps. Jean Baptiste Fourier (1768-1830) showed that any signal waveform can be resolved into a summation of harmonically related sine waves. The amplitude of the sine waves can be determined by calculation of Fourier transforms.
So what in the world does some dead French mathematician have to do with the HDMI switch? Well, Fourier tells us that the waveform is a summation of harmonically related sine waves. Therefore, higher data rate, higher frequency sine waves. Incidentally, the frequency of the fundamental sine wave is ˝ of the data rate. For example, the fundamental frequency of a 2 Gbps ( 50 %duty cycle ) square wave is 1GHz.

As data rates increase, every aspect of the switch design (every millimeter) becomes critical because the wavelengths of the signals approach the size of the components on board. The 3 critical parameters to consider are:

Impedance Match:
HDMI is based on a 100 ohm (differential) impedance. It is imperative that the switch be optimized to match this characteristic impedance. Any imperfections of the board layout will cause “reflections” which degrades signal transmission to the HD monitor. Think of “reflections” as signals that are lost between the inputs to the output. Utilizing careful RF and Microwave layout techniques minimizes these reflections.

Minimum Insertion Loss:
Signal loss should be minimized in order to maximize signal integrity to the output of the HDMI switch. Again, utilizing careful RF and Microwave layout techniques minimizes insertion loss.

Minimum Cross Talk:
With multiple inputs (up to 4), all potentially being active at same time, it is imperative that the desired channel not be interfered from any undesired channels. Again, careful RF microwave design techniques minimize cross talk.



Since you are using it for gaming , will the Radio Shack model have any lag ? If so you can always return it.

Will it accept HDCP signals ?

What is HDCP?

HDCP stands for High-Bandwidth Digital Content Protection, a copy protection scheme to eliminate the possibility of intercepting digital data midstream between the source to the display. The format designed by Intel and licensed by Digital Content Protection, LLC using an authentication and key exchange procedure before video and audio is presented. Products compatible with the HDCP scheme such as DVD players, satellite and cable HDTV set-top-boxes, as well as few entertainment PCs requires a secure connection to a compliant display, the process often described as the handshake. Due to the increase in manufacturers employing HDCP in their equipment, it is highly recommended that any HDTV you purchase is compatible. Although most video devices support high-definition video over component output, analog connections are scheduled to phase out in the future or possibly forced to limited resolutions output.

Why is it important to me?

Although manufacturers are still making most products with at least component HD output, new generation of products like HD-DVD and Blu-Ray devices will limit the analog output resolution (Analog defined as Component or RGBHV). The highest resolutions these devices can output (720p/1080i/1080p) will be available on via the digital (DVI or HDMI) connections that employ HDCP encryption. Any new HDTV purchase should have a digital HDCP compatible input.




Hope this information helps


denonjapan
Veteran

Nov 30, 2006, 5:57 AM

Post #5 of 11 (3708 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post

I was checking at Ebay if there's something even more interesting, but they're non-powered... Well, There's no harm of trying but for $80.00 is quite a bargain for HDMI selector. Radio Shack has return policy which is fair time frame if you decide whether to keep it or not.

denonjapan
made in japan


chipper
New User

Nov 30, 2006, 12:59 PM

Post #6 of 11 (3702 views)
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Re: [denonjapan] Only one HD port on my HDTV !help! [In reply to] Can't Post

If i get it, when i hook up the xbox will i be able to plug in the audio cables to? or do u have to buy some certain thing where the video and audio is all in one?


TANK1
Enthusiast

Nov 30, 2006, 4:01 PM

Post #7 of 11 (3697 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post

HDMI carries both video and audio signals


chipper
New User

Nov 30, 2006, 9:47 PM

Post #8 of 11 (3693 views)
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Re: [TANK1] Only one HD port on my HDTV !help! [In reply to] Can't Post

http://www.xbox.com/...360componenthdcable/ i might be wrong but that looks like alot of cables not just one like u said tank^^


PDWGS3
New User

Nov 30, 2006, 10:45 PM

Post #9 of 11 (3688 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post


In Reply To
http://www.xbox.com/...360componenthdcable/ i might be wrong but that looks like alot of cables not just one like u said tank^^


That's because the only HD the xbox 360 is supported through right now is component video and VGA up to 1080p. It's possible that they will move to HDMI in the future.

For now you can leave your HD cable plugged into your HDMI port and just use the xbox on the components on your tv and you're all set.


(This post was edited by PDWGS3 on Nov 30, 2006, 11:51 PM)


chipper
New User

Dec 1, 2006, 10:32 PM

Post #10 of 11 (3674 views)
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Re: [PDWGS3] Only one HD port on my HDTV !help! [In reply to] Can't Post

The Xbox 360 is in HDMI not just VGA HDMI


PDWGS3
New User

Dec 4, 2006, 4:01 PM

Post #11 of 11 (3668 views)
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Re: [chipper] Only one HD port on my HDTV !help! [In reply to] Can't Post


In Reply To
The Xbox 360 is in HDMI not just VGA HDMI


ummm no it isnt. If it is show me where you got it. They are eventually going to bring out an HDMI cable to use with the 360 and HD DVD player but for now, there is now such thing.

So yes the only 3 ways you can play the xbox 360 is through standard RCA composite cables, Component Cables, or the VGA hookup.

 
 
 


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