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 HDMI Cable Quality?, Really make a diffrent?

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Dark NT
post Nov 5 2009, 12:55 AM

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QUOTE(ar188 @ Nov 5 2009, 12:51 AM)
so what happens to the audio and videowhen error correction in digital signal fails?
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sweat.gif never ending...
cosmicmeadow
post Nov 5 2009, 01:09 AM

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QUOTE(ar188 @ Nov 5 2009, 12:51 AM)
so what happens to the audio and videowhen error correction in digital signal fails?
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Data stream received will not be accurate. So video/audio will not be reproduced accurately.

But typically in data transmission over network, if there are errors, the protocols allows for re-transmits, ie. send again to fix the error. But for high bandwidth streaming of audio/video, don't think there's time to re-transmit?

So, unless you have robotic eyes and ears that can sense all these minute inaccuracy of video/audio reproduction, then maybe the splurge on expensive HDMI cables is only psychologically effective, ie. you think you are seeing a better picture or hearing a better sound, and so, therefore you "really" do.
ar188
post Nov 5 2009, 01:18 AM

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QUOTE(Dark NT @ Nov 5 2009, 12:55 AM)
sweat.gif never ending...
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if not clear, we can ask until clear mah.. biggrin.gif
zerorulez
post Nov 5 2009, 02:42 AM

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QUOTE(cosmicmeadow @ Nov 5 2009, 01:09 AM)
Data stream received will not be accurate. So video/audio will not be reproduced accurately.

But typically in data transmission over network, if there are errors, the protocols allows for re-transmits, ie. send again to fix the error. But for high bandwidth streaming of audio/video, don't think there's time to re-transmit?

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HDMI 1.3 only one way signalling rite... then how to re-transmit if the receiving end can tell the sending end that the data receive is attenuated

SiriuslyCold
post Nov 5 2009, 04:45 AM

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QUOTE(cosmicmeadow @ Nov 5 2009, 12:43 AM)
So cable quality should have impact on signal quality, albeit very minimal. Makes sense?
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I find that some things in audio ... and even in real life, do not make sense some of the time laugh.gif
eye
post Nov 5 2009, 05:05 AM

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QUOTE(arremie @ Nov 4 2009, 10:14 PM)
I wonder if people who said different cables doesn't make a difference actually did try or they just simply pickup what others have said or written rolleyes.gif
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i also read only .... where got so much time to audition and $$$ to buy so many cables tongue.gif
moomoos
post Nov 5 2009, 09:00 AM

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this topic.... very nice debating indeed....

my fren, a sony technician and me did confirm there is a change,

one HDMI seem to display clearer PQ than the other, and also for AQ the ambience is different

As for me i believe there is a difference,
but at the end of the day... The Decision is Yours biggrin.gif
anfieldude
post Nov 5 2009, 09:03 AM

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QUOTE(moomoos @ Nov 5 2009, 09:00 AM)
this topic.... very nice debating indeed....

my fren, a sony technician and me did confirm there is a change,

one HDMI seem to display clearer PQ than the other, and also for AQ the ambience is different

As for me i believe there is a difference,
but at the end of the day... The Decision is Yours biggrin.gif
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moomoos,

Was there less noise in the images?


Added on November 5, 2009, 9:06 am
QUOTE(cosmicmeadow @ Nov 5 2009, 01:09 AM)
Data stream received will not be accurate. So video/audio will not be reproduced accurately.

But typically in data transmission over network, if there are errors, the protocols allows for re-transmits, ie. send again to fix the error. But for high bandwidth streaming of audio/video, don't think there's time to re-transmit?

So, unless you have robotic eyes and ears that can sense all these minute inaccuracy of video/audio reproduction, then maybe the splurge on expensive HDMI cables is only psychologically effective, ie. you think you are seeing a better picture or hearing a better sound, and so, therefore you "really" do.
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Isn't there enuf redundacy in the transmission that can take care of this? I was under the impression that there were checks and balances on the HDMI transmission on the receiving side. But of course I cold be wrong.

This post has been edited by anfieldude: Nov 5 2009, 09:06 AM
robertngo
post Nov 5 2009, 09:16 AM

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QUOTE(anfieldude @ Nov 5 2009, 09:03 AM)
moomoos,

Was there less noise in the images?


Added on November 5, 2009, 9:06 am

Isn't there enuf redundacy in the transmission that can take care of this?  I was under the impression that there were checks and balances on the HDMI transmission on the receiving side. But of course I cold be wrong.
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http://en.wikipedia.org/wiki/Transition_Mi...ntial_Signaling

TMDS is use by HDMI for error correction.
moomoos
post Nov 5 2009, 09:32 AM

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QUOTE(anfieldude @ Nov 5 2009, 09:03 AM)
moomoos,

Was there less noise in the images?
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bro anfield, dont know whether its noise or not

one displayed blurrer pictures, and certain brightly lit spots appeared smeared (bigger...of cos not measurable la biggrin.gif )

have to use the pioneer BD to calibrate the Detail level up ( there's improvement ) but cant better the other cable smile.gif

i also did freeze frame on facial, and did swapping few times, the wreckles, facial pores ( dont know wat you call it.. mind my inglish..hehe) seems clearer.

one very good example is on the spiderman 3, when the SandMan finally gather back its figure, notice the "details" grains of sand flowing/streaming along, and when he picks up the pendant on 1st attempt, notice the expression (details on eye)
you really dont have to pause/freeze to just let it play and replay

happy experimenting !!! biggrin.gif


This post has been edited by moomoos: Nov 5 2009, 10:00 AM
jchong
post Nov 5 2009, 10:01 AM

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QUOTE(moomoos @ Nov 4 2009, 11:18 PM)
y is it when you use a cardas interconnect, you get better bass,
an audio quest, you get better treble
maybe van del hul, a more soothing sound

what about the transparency, soundstage, depth, etc??
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What type of interconnect are you referring to above? HDMI cable, optical cable or the analogue RCA cable?


Added on November 5, 2009, 10:02 am
QUOTE(moomoos @ Nov 4 2009, 11:22 PM)
well.... one can call it placebo effect ... 

but HDMI digital cables do differ in Reality .... biggrin.gif
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This calls for a blind test! tongue.gif

This post has been edited by jchong: Nov 5 2009, 10:02 AM
jchong
post Nov 5 2009, 10:09 AM

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QUOTE(moomoos @ Nov 5 2009, 09:32 AM)
bro anfield, dont know whether its noise or not

one displayed blurrer pictures, and certain brightly lit spots appeared smeared (bigger...of cos not measurable la biggrin.gif )

have to use the pioneer BD to calibrate the Detail level up ( there's improvement ) but cant better the other cable smile.gif

i also did freeze frame on facial, and did swapping few times, the wreckles, facial pores ( dont know wat you call it.. mind my inglish..hehe) seems clearer.

one very good example is on the spiderman 3, when the SandMan finally gather back its figure, notice the "details" grains of sand flowing/streaming along, and when he picks up the pendant on 1st attempt, notice the expression (details on eye)
you really dont have to pause/freeze to just let it play and replay

happy experimenting !!! biggrin.gif
*
What were the two HDMI cables used in this comparison?
ar188
post Nov 5 2009, 10:12 AM

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QUOTE(jchong @ Nov 5 2009, 10:09 AM)
What were the two HDMI cables used in this comparison?
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yeah curious to know also.. biggrin.gif what are the BD player and TV also..
moomoos
post Nov 5 2009, 10:13 AM

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QUOTE(jchong @ Nov 5 2009, 10:01 AM)
What type of interconnect are you referring to above? HDMI cable, optical cable or the analogue RCA cable?


Added on November 5, 2009, 10:02 am

This calls for a blind test!  tongue.gif
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i am refering to audio digital interconnects ( not coaxial, optical)
ar188
post Nov 5 2009, 10:16 AM

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QUOTE(moomoos @ Nov 5 2009, 10:13 AM)
i am refering to audio digital interconnects ( not coaxial, optical)
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both coaxial and optica cable are known accepted types of audio digital interconnects.... biggrin.gif
moomoos
post Nov 5 2009, 10:17 AM

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QUOTE(ar188 @ Nov 5 2009, 10:12 AM)
yeah curious to know also..  biggrin.gif  what are the BD player and TV also..
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~LX-52 and 1080i Sony 3LCD single gun projection TV

~a 2.5m RM150 1.3b (made in Choong Kok) HDMI vs a 3.m Taiwan RM350
ar188
post Nov 5 2009, 10:19 AM

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where's the monster cable ?
moomoos
post Nov 5 2009, 10:23 AM

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QUOTE(ar188 @ Nov 5 2009, 10:19 AM)
where's the monster cable ?
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Dare not touch Munster smile.gif Lots of imitation
jchong
post Nov 5 2009, 10:25 AM

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QUOTE(moomoos @ Nov 5 2009, 10:17 AM)
~LX-52 and 1080i Sony 3LCD single gun projection TV

~a 2.5m RM150 1.3b (made in Choong Kok) HDMI vs a 3.m Taiwan RM350
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Interesting.

The HDMI cable was used between the LX-52 and your Yammy right?

Taiwan got produce HDMI cable? Which brand, Usher?
ar188
post Nov 5 2009, 10:26 AM

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QUOTE(moomoos @ Nov 5 2009, 10:23 AM)
Dare not touch Munster smile.gif  Lots of imitation
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get it from reputable dealer lor... so detailed eye to notice the minute difference in HDMI quality between cable but cannot notice imitation products meh?

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