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 HDMI Cable Quality?, Really make a diffrent?

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Mickey C
post Feb 10 2012, 02:25 PM

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QUOTE(htkaki @ Feb 8 2012, 05:03 PM)
The white color HDMI cable?

If yes, it beats a WHF 5 star Award HDMI cable by miles. I have both before. It is so disappointing that it did not last 30mins in my system. Anyway, sold it off at a decent profit lah  laugh.gif
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No, the cable is black colour... and I love this cable...
GamersFamilia
post Feb 12 2012, 02:43 PM

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anyone try CLIPtech v1.4 HDMI cable ? is it good
law1777
post Feb 20 2012, 08:14 PM

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i dont know if there is any PQ n SQ quality cheap hdmi vs expensive hdmi.. but all my 'cheap' hdmi eg. free from lcd tvs, rm20, rm30, and rm40 ones are all not functioning anymore (cant display a sh*t). and my monster hdmi cable lasted me for many years already

btw dont buy original good hdmi cables from electronic shops.. they r all super blood sucker n burn your wallet off. just buy online here but be wise n smart to choose a reliable seller

This post has been edited by law1777: Feb 20 2012, 08:19 PM
ZaX17
post Feb 20 2012, 11:03 PM

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QUOTE(law1777 @ Feb 20 2012, 08:14 PM)
i dont know if there is any PQ n SQ quality cheap hdmi vs expensive hdmi.. but all my 'cheap' hdmi eg. free from lcd tvs, rm20, rm30, and rm40 ones are all not functioning anymore (cant display a sh*t). and my monster hdmi cable lasted me for many years already

btw dont buy original good hdmi cables from electronic shops.. they r all super blood sucker n burn your wallet off. just buy online here but be wise n smart to choose a reliable seller
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Yes, a good HDMI cable does make different in term of quality. In high speed digital transmission, it's not simple as '0' and '1' only especially dealing with gigabit transfer rate. There is a lot factor to consider and the basic is the propagation delay, such as setup time and hold time, they are in nanosecond scale. As the result, the receiver might interpret the wrong info.

I can explain more if you guys want to understand more, but it is going to be very technical.
DannyOP
post Feb 20 2012, 11:05 PM

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QUOTE(ZaX17 @ Feb 20 2012, 11:03 PM)
Yes, a good HDMI cable does make different in term of quality. In high speed digital transmission, it's not simple as '0' and '1' only especially dealing with gigabit transfer rate. There is a lot factor to consider and the basic is the propagation delay, such as setup time and hold time, they are in nanosecond scale. As the result, the receiver might interpret the wrong info.

I can explain more if you guys want to understand more, but it is going to be very technical.
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Why not? We are here to learn.
jchong
post Feb 20 2012, 11:33 PM

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QUOTE(ZaX17 @ Feb 20 2012, 11:03 PM)
Yes, a good HDMI cable does make different in term of quality. In high speed digital transmission, it's not simple as '0' and '1' only especially dealing with gigabit transfer rate. There is a lot factor to consider and the basic is the propagation delay, such as setup time and hold time, they are in nanosecond scale. As the result, the receiver might interpret the wrong info.

I can explain more if you guys want to understand more, but it is going to be very technical.
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Yes please go ahead to explain.
htkaki
post Feb 21 2012, 09:14 AM

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Interesting. Please explain.
mpyw
post Feb 21 2012, 09:24 AM

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luckily my no-brand 25' HDMI cable can pass through the 3D signal without any problem.....cost me RM70 you know tongue.gif sweat.gif
htkaki
post Feb 21 2012, 09:41 AM

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Mine from Monoprice. Very affordable for a high speed HDMI cable
sonerin
post Feb 21 2012, 09:27 PM

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I am using free HDMI from pioneer. Work very well for me
ZaX17
post Feb 21 2012, 11:07 PM

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The measurement of the digital signal's quality which is '1' (high voltage) and '0' (low voltage) are known as Signal Integrity. In the digital world, the fundamental of digital signals are actually still analog signal, and in the real case, the '1' and '0' will not be square wave as we see and read in textbook (the higher the frequency, the uglier the signal will be).

First of all, the digital signal is required to swing to correct voltage level before the requirement time (setup time) and hold long enough (hold time) for the receiver to capture/clock the input signal. When in high speed signal, sometimes the output driver is not strong enough to swing the signal in time to meet the correct input voltage. Furthermore, the setup time and hold time are effected by the resistance and capacitance of the cable or connector. This will cause the receiver to interpret wrong inputs.

HDMI protocol is 10GB/s speed with 3 differential pair signals, so each differential pair signal is transferring at 3GB/s speed. They are very high speed where the signal only have 0.3ns to swing from high to low or low to high (at the speed of light, it can only travel 0.1m in 0.3ns).


I do really think this sound very technical. Do you guys still want me to continue?
klimal
post Feb 21 2012, 11:16 PM

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Yes,please do. Continuing education is a life long process.
We are all here to learn and share.
neb
post Feb 21 2012, 11:34 PM

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my 3m HDMI cables are more expensive, got half a dozen at tesco for RM9.90 each, work great at 1080p resolution
GamersFamilia
post Feb 23 2012, 12:28 PM

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QUOTE(neb @ Feb 21 2012, 11:34 PM)
my 3m HDMI cables are more expensive, got half a dozen at tesco for RM9.90 each, work great at 1080p resolution
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what version is that ? biggrin.gif
neb
post Feb 23 2012, 01:57 PM

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QUOTE(GamersFamilia @ Feb 23 2012, 12:28 PM)
what version is that ?  biggrin.gif
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did not see version number printed on the cable, is that important?

if the cable can work at 1080p, then it is high speed cable
Will.i.am.Smith
post Feb 23 2012, 03:45 PM

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QUOTE(neb @ Feb 23 2012, 01:57 PM)
did not see version number printed on the cable, is that important?

if the cable can work at 1080p, then it is high speed cable
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Well, my take is this. Usually those affordable hdmi cables will cut corners to save cost so their margin is more (this is the norm right? brows.gif ) and while those audiophile HDMI will usually give you the best possible quality as required by HDMI corp standard.

Look at this one :

Attached Image

This is where the difference between a good quality and a poor quality HDMI cable. Then the purity of the cable material and shielding plays certain part too. However, by meant good quality doesnt meant it has to be expensive as well neither is expensive is always good. I'll always go for the certified HDMI adopters/manufacturers products when it comes to HDMI cables to be safe. And the longer they're in the business, the better it's as they're not found to be cutting corner when being given the license to manufacture the HDMI cables for OEM/mass markets.

The list can be found here :

http://www.hdmi.org/learningcenter/adopters_founders.aspx

Surprisingly most of the audiophile brands arent listed as the manufacturers/adopters which means they're OEM from one of these listed manufacturers instead laugh.gif

I personally ripped apart a few HDMI cables from cheap to decent audiophile brands due to malfunctioning and were surprised at each post mortem investigation and I'll am now a firm believer in good quality HDMI cables at very affordable price brows.gif


Added on February 23, 2012, 3:53 pm
QUOTE(neb @ Feb 23 2012, 01:57 PM)
did not see version number printed on the cable, is that important?

if the cable can work at 1080p, then it is high speed cable
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Nope, you're not correct. High speed term is used in the v1.4 hdmi cable which is categorised into a few category.

Read it here :

http://www.hdmi.org/consumer/buying_guide.aspx

If it's not stated, usually it's v1.3 unless it's stated.


Added on February 23, 2012, 3:55 pm
QUOTE(ZaX17 @ Feb 21 2012, 11:07 PM)
The measurement of the digital signal's quality which is '1' (high voltage) and '0' (low voltage) are known as Signal Integrity. In the digital world, the fundamental of digital signals are actually still analog signal, and in the real case, the '1' and '0' will not be square wave as we see and read in textbook (the higher the frequency, the uglier the signal will be).

First of all, the digital signal is required to swing to correct voltage level before the requirement time (setup time) and hold long enough (hold time) for the receiver to capture/clock the input signal. When in high speed signal, sometimes the output driver is not strong enough to swing the signal in time to meet the correct input voltage. Furthermore, the setup time and hold time are effected by the resistance and capacitance of the cable or connector. This will cause the receiver to interpret wrong inputs.

HDMI protocol is 10GB/s speed with 3 differential pair signals, so each differential pair signal is transferring at 3GB/s speed. They are very high speed where the signal only have 0.3ns to swing from high to low or low to high (at the speed of light, it can only travel 0.1m in 0.3ns).
I do really think this sound very technical. Do you guys still want me to continue?
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This is eye opener..pls..continue..we want to know more brows.gif

This post has been edited by Will.i.am.Smith: Feb 23 2012, 03:55 PM
neb
post Feb 23 2012, 04:30 PM

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QUOTE(Will.i.am.Smith @ Feb 23 2012, 03:45 PM)
Nope, you're not correct. High speed term is used in the v1.4 hdmi cable which is categorised into a few category.

Read it here :

http://www.hdmi.org/consumer/buying_guide.aspx

ok these quotes are from HDMI website:
QUOTE
When it comes to selecting a cable, the HDMI version number is never relevant. There is no such thing as a “Version 1.4 cable” or “HDMI 1.3 cable” - these terms are solely the creation of manufacturers’ marketing efforts. Cables are instead rated by their performance capabilities. There are five HDMI cable types to choose from:

    Standard HDMI Cable - Designed to handle most home applications, the Standard HDMI Cable can reliably transmit 1080i or 720p video plus surround audio.
    Standard HDMI Cable with Ethernet - Same baseline performance as the Standard HDMI Cable, plus a dedicated Ethernet channel for Internet connection sharing and device networking.
    Standard Automotive HDMI Cable - Designed for internal cabling of motor vehicles equipped with onboard HD video systems.
    High Speed HDMI Cable - Designed to handle video resolutions of 1080p and beyond, including advanced display technologies like 3D and 4K.


so which part I said is not correct?

This post has been edited by neb: Feb 23 2012, 04:31 PM
Will.i.am.Smith
post Feb 23 2012, 05:17 PM

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QUOTE(neb @ Feb 23 2012, 04:30 PM)
ok these quotes are from HDMI website:
so which part  I said is not correct?
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Mr Tiger, perhaps the better way to put it is your statement isnt accurate laugh.gif

The older HDMI cables from v1.1 onwards also can pass 1080p signal. In fact every short enough HDMI cable can pass 1080p signal without problem. So would that meant they're all High Speed as labelled in v1.4 standard?

HDMI corp is under heavy pressure by its licensees to remove the v1.1, v1.2, v1.3 and v1.4 mindset among the consumers which the company itself actually marketed it in such a way since HDMI cable incarnation. As they move pretty fast through the version, it resulted some licensees was unable to sell their older version and have to result to lowering pricing and/or repackaging in order to sell them for a margin. This has resulted in some drop out of the licensees to undertake HDMI as part of their product portfolio.

Hence moving forward, realizing what they have done, HDMI corp issue a statement for the packaging and marketing that no version numbers should be used to in a way, in my own term, to confuse the market instead so HDMI cables be it 1.3 or 1.4 can sell without much problem. Official statement sometimes is a good start to understand what's their latest trend in their product lineup but they're at most, a politically correct statement than a keen interest in protecting the consumers at their own cost laugh.gif

Dont chew me, Tiger laugh.gif

This post has been edited by Will.i.am.Smith: Feb 23 2012, 05:19 PM
neb
post Feb 23 2012, 05:43 PM

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QUOTE(Will.i.am.Smith @ Feb 23 2012, 05:17 PM)
Mr Tiger, perhaps the better way to put it is your statement isnt accurate  laugh.gif

The older HDMI cables from v1.1 onwards also can pass 1080p signal. In fact every short enough HDMI cable can pass 1080p signal without problem. So would that meant they're all High Speed as labelled in v1.4 standard?

yes, if the cables, short or long or fat or skinny or branded or pirated or beautiful or ugly, certified at high speed test, then they are high speed cable. what other tests do you need for the cable to qualified as high speede cable? Brand name may be?

HDMI is smart to ditch version number on cable, after all cables are bunch of copper wire, version number should only applied on devices based on their features

This post has been edited by neb: Feb 23 2012, 05:48 PM
Will.i.am.Smith
post Feb 23 2012, 05:45 PM

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QUOTE(neb @ Feb 23 2012, 05:43 PM)
yes, if the cables, short or long or fat or skinny or branded or pirated or beautiful or ugly, certified at high speed test, then they are high speed cable. what other tests do you need for the cable to qualified as high speede cable? Brand name may be?
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Ah..brand name is definitely not, why not you tell me, Tiger? laugh.gif

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