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Author Topic: HDMI VS Component  (Read 1524 times)

Offline KillaX
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HDMI VS Component
« on: November 26, 2005, 03:41:40 PM »
since it is Kinda on-topic........

What is the differnce between HDMI and component?

I know the PS3 with have an HDMI connection on it along with alot of other connections
« Last Edit: November 26, 2005, 04:22:16 PM by KillaX »
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Offline JBean
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HDMI VS Component
« Reply #1 on: November 26, 2005, 04:24:50 PM »
all I know is HDMI is better

the images on the right show the differences in images... the sharper looking ones are HDMI (AKA DVI)

http://www.hifi-writer.com/blog/20040408.htm#20040423-2032
« Last Edit: November 26, 2005, 04:27:51 PM by JBean »
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Offline Paul2

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HDMI VS Component
« Reply #2 on: November 26, 2005, 04:53:17 PM »
Let me chime in on this subject.:D

HDMI is a digital connection that was finished by December of 2002 which is very new compare to other video/audio connection.

HDMI -  can carry up to 5 Gbps of digital information.  Support both RGB and YCbCr sampling.  Also can carry sound alongside with video in one cable.  Cable is about the same size of 6 pins firewire...

DVI - only tranfer digital information up to 1.65 Gbps.  Support only RGB color that means YCbCr have to be converted to RGB before send to the cable.  Does not support sound.  Cable is bulkier than HDMI...

Component Video - is analog connection.  Only support YPbPr, that means if the information is RGB.  It must be converted to YPbPr before it send to Component Video.  Require 3 seperate cables...

of the 3, HDMI is the best imo.  Its digital, can send the highest digital information, take up less space and support multi-channel surround sound digital audio.


Just for fun, might as well include firewire and USB 2 ports too.

Firewire -  can send up to 400 Mbps and like USB are universal, it can send anything beside video/audio, such as computer data.

USB 2 - supports up to 480 Mbps and it\'s flexible and bi-directional like firewire too.  It also support anything digital beside video/audio just like firewire.
« Last Edit: November 26, 2005, 04:54:37 PM by Paul2 »
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Offline JBean
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HDMI VS Component
« Reply #3 on: November 26, 2005, 06:47:29 PM »
Quote
Originally posted by Paul2
Let me chime in on this subject.:D

HDMI is a digital connection that was finished by December of 2002 which is very new compare to other video/audio connection.

HDMI -  can carry up to 5 Gbps of digital information.  Support both RGB and YCbCr sampling.  Also can carry sound alongside with video in one cable.  Cable is about the same size of 6 pins firewire...

DVI - only tranfer digital information up to 1.65 Gbps.  Support only RGB color that means YCbCr have to be converted to RGB before send to the cable.  Does not support sound.  Cable is bulkier than HDMI...

Component Video - is analog connection.  Only support YPbPr, that means if the information is RGB.  It must be converted to YPbPr before it send to Component Video.  Require 3 seperate cables...

of the 3, HDMI is the best imo.  Its digital, can send the highest digital information, take up less space and support multi-channel surround sound digital audio.


Just for fun, might as well include firewire and USB 2 ports too.

Firewire -  can send up to 400 Mbps and like USB are universal, it can send anything beside video/audio, such as computer data.

USB 2 - supports up to 480 Mbps and it\'s flexible and bi-directional like firewire too.  It also support anything digital beside video/audio just like firewire.


Quote
First, to clear away one element that can be confusing: DVI and HDMI are exactly the same as one another, image-quality-wise. The principal differences are that HDMI carries audio as well as video, and uses a different type of connector, but both use the same encoding scheme, and that\'s why a DVI source can be connected to an HDMI monitor, or vice versa, with a DVI/HDMI cable, with no intervening converter box.
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Offline Paul2

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HDMI VS Component
« Reply #4 on: November 26, 2005, 07:43:02 PM »
Not sure why you are quoting me but let me give you some more information:

DVI can be backward compatible with HDMI by either using an adapter or have a DVI to HDMI cable.

But if you are using either a HDMI to DVI cable or an adapter, and you are watching video encode in sRGB, make sure the source you use support conversion of YCbCr sRGB to PC RGB accurately so it won\'t clipped btb or wtw.

Because DVI only support PC RGB signal, no sRGB or YCbCr.

and of course, another flexibility of HDMI is that it supports up to 12 bits per channel of color information thanks to it mammoth bandwidth.  12 bits per channel equal 36 bits total color there, and not to mention HDMI can support 1080p Video while I believe DVI only limits to 1080i max.
« Last Edit: November 26, 2005, 07:44:53 PM by Paul2 »
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Offline Samwise
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HDMI VS Component
« Reply #5 on: November 26, 2005, 08:30:03 PM »
In one sentence: HDMI = digital, component = analog.
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Offline ddaryl
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HDMI VS Component
« Reply #6 on: November 27, 2005, 05:24:46 AM »
Wow, I\'m being edumacated


I just bought an Toshiba 56HM195 HDTV and it\'s being delivered this week some time.

I didn\'t know about HDMI until I browsed this thread. Went back and looked at the TV I bought and found that I have 2 - HDMI inputs on it. Which makes sense since its a 1080p set, but the Component ins only allow a 1080i input.
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Offline JBean
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HDMI VS Component
« Reply #7 on: November 27, 2005, 10:57:50 AM »
Quote
Originally posted by Paul2
Not sure why you are quoting me but let me give you some more information:


you made it seem like HDMI and DVI are different, the only difference is HDMI also carries audio.  The image quality they both can transmit are exactly the same.
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Offline Paul2

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HDMI VS Component
« Reply #8 on: November 27, 2005, 11:04:09 AM »
they are different.  HDMI is smaller, can carry up to 5 Gbps while DVI max out at 1.65 Gbps.  DVI spec only support PC RGB signal.  While HDMI are more flexible and supports sRGB (studio RGB), PC RGB, and Y Cb Cr sampling.

Not to mention DVI support max of 24 bits RGB, with 8 bits per channel while HDMI can support up to 12 bits per channel if it necessary...

sure they are both backward compatible...but HDMI is more flexible, and if you send a sRGB signal to DVI, makes sure the source convert it accuratedly to PC RGB...otherwise, you will get black and white crush.
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Offline KillaX
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HDMI VS Component
« Reply #9 on: November 27, 2005, 11:15:30 AM »
I have sen some descent priced hd-ready TV\'s with DVI connections (the HDMI ones are a bit pricy (but here in the states Digital will be MANDATORY for tv signals in 2007 (I think it is 2007).  SO all I will need is an HDMI to DVI "dongle" to go from my PS3 (when it comes out sometime next yer....MAYBE) to my TV?

I will make sure I have composite for going from my CAble box to my TV tho.....
« Last Edit: November 27, 2005, 11:22:34 AM by KillaX »
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Offline Paul2

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HDMI VS Component
« Reply #10 on: November 27, 2005, 11:33:56 AM »
Same here, my HDTV only have 1 DVI, and I need either a HDMi to DVI or an adapter to be able to view.

Last I read, they pushed the date back to 2008.  It was originally December 31, 2006.  Then, they pushed it back to 2008, not sure the exact month or day though.
« Last Edit: November 27, 2005, 11:35:31 AM by Paul2 »
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Offline KillaX
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HDMI VS Component
« Reply #11 on: November 27, 2005, 12:04:28 PM »
2008?? if it is the Xbox 3 will be out by then.......  the PS3 will be waaaay behind...... or do you mean changing over to Digital????
« Last Edit: November 27, 2005, 12:07:08 PM by KillaX »
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Offline Paul2

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HDMI VS Component
« Reply #12 on: November 27, 2005, 12:15:56 PM »
lol,

sorry for the confusion.  I am talking about the transition from analog TV to HDTV must be 100% by 2008.  Meaning that by then, there is no more analog TV on sale, no more new model of analog TV.  All you will see is HDTV with built in HD tuner ranging from small set to big set on display in stores.  They set that deadline so consumers can quickly adopt the HDTV format.  Who knows for sure if it\'s a firm date though since it been revised and pushed back a couple of times already...

But seriously 2008 seems like a good date, if you plan on buying analog TV by then, then you are buying something that is obselete in my opinion.
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Offline videoholic

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« Reply #13 on: November 27, 2005, 04:29:25 PM »
If you have cable/satelite then it doesn\'t matter to you when they switch to digital.  It only matters to the country bumpkins who are using rabit ears.

I am using an HDMI - DVI cable on my DVD player and it works freaking awesome.  My set doesn\'t have HDMI so I\'m kinda stuck.  Oh well.  New home theater will have a 1080p front projector so I\'ll be ok.  BTW, I should be breaking ground on the nw house next month.  Woohoo!!!
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Offline KillaX
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HDMI VS Component
« Reply #14 on: November 27, 2005, 05:11:03 PM »
congrats on the new house Vid!  I was looking at HDMI-DVI cables (MOnster cables are  EXPENSIVE!)  I checked best buy and radio shack so far.  I have S-video and componet  on my TV right now...might wait till I get my tax returns back to get the DVI or the HDMI TV....  I dont think the PS3 will be out till summer 06 myself....

Right now I have component from my PS2 to my TV with the digital audio going to my Sound system.  And S-video from my cable box to my TV with RCA cables for audio.

Should really figure out a better way to run them.  I have a DVD recorder between the Digital Cable box and the TV wired somehow..I forget.
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