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 HDMI Cable Quality?, Really make a diffrent?

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ar188
post Nov 4 2009, 06:33 PM

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QUOTE(megavalve @ Nov 4 2009, 04:46 PM)
even tho the cable can receive signals 0 and 1, there are also noises.
the ideal voltage for logic state 0 is around 0-0.4 V. 0.4-0.8V is still in the margin but contains noise.
same as logic state 1 but on a different voltage. 2 and above.
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yes but data corruption or data loss will not make your video and audio less colorful, less sharp or audio sound softer etc....
eye
post Nov 4 2009, 08:45 PM

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QUOTE(jchong @ Nov 4 2009, 03:48 PM)
I'm using 2 HDMI cables... one is RM75, the other one is free. Like that how?  tongue.gif
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oooo as long as they work for you .. you should be happy thumbup.gif

im using 3 hdmi's, two bought and 1 free .. no complaints .. im happy too!!!

This post has been edited by eye: Nov 4 2009, 09:12 PM
moomoos
post Nov 4 2009, 09:34 PM

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one snoob question to ask...

does difference in digital interconnects differ in sound???

like a CD transport's digital signal to DAC's

thanks
SiriuslyCold
post Nov 4 2009, 10:01 PM

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QUOTE(moomoos @ Nov 4 2009, 09:34 PM)
one snoob question to ask...

does difference in digital interconnects differ in sound???

like a CD transport's  digital signal to DAC's

thanks
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you would think not, but it really depends on your system as a whole (source, DAC, amplification, speakers, cables, room). If it is highly resolving you can perhaps hear a difference. I doubt it makes a difference in mid range HT systems. And it won't be something you can hear very obviously either. So for HT intents and purposes, as long as the cable is not broken and properly manufactured (shielding, impedance etc within spec) cables don't differ.

However... http://db.audioasylum.com/cgi/m.mpl?forum=...ht=modwright&r=

or here.. http://www.audioasylum.com/audio/cables/messages/115776.html

or here http://www.audioasylum.com/audio/cables/messages/115763.html

the upshot is it may not be digitally measurable, but certainly audible.

My take is

1) the system as a whole should be balanced, there is no point using Nordost Valhalla i/cs (US$3300/m pair) to connect a Marantz CD63 to a Cambridge Audio amplifier... and

2) cables are the last thing you tweak after bringing your equipment to the same "level" - including treating the room (this has more effect on the sound than anything else other than speakers)

This post has been edited by SiriuslyCold: Nov 4 2009, 10:25 PM
arremie
post Nov 4 2009, 10:14 PM

hmm...
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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
moomoos
post Nov 4 2009, 10:47 PM

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QUOTE(SiriuslyCold @ Nov 4 2009, 10:01 PM)
you would think not, but it really depends on your system as a whole (source, DAC, amplification, speakers, cables, room). If it is highly resolving you can perhaps hear a difference. I doubt it makes a difference in mid range HT systems. And it won't be something you can hear very obviously either. So for HT intents and purposes, as long as the cable is not broken and properly manufactured (shielding, impedance etc within spec) cables don't differ.

However... http://db.audioasylum.com/cgi/m.mpl?forum=...ht=modwright&r=

or here.. http://www.audioasylum.com/audio/cables/messages/115776.html

or here http://www.audioasylum.com/audio/cables/messages/115763.html

the upshot is it may not be digitally measurable, but certainly audible.

My take is

1) the system as a whole should be balanced, there is no point using Nordost Valhalla i/cs (US$3300/m pair) to connect a Marantz CD63 to a Cambridge Audio amplifier... and

2) cables are the last thing you tweak after bringing your equipment to the same "level" - including treating the room (this has more effect on the sound than anything else other than speakers)
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In other words... Digital Audio Interconnects does differ in sound.... AM I Correct to say????

There in no length of cable mention, as interconnects are merely 1metered or 2 metered pair... Am I correct to say???

there will still be a difference if i use a RM100 versus a RM1k.... 1.5metered digital interconnects. but like you say its just not "Justifiable" for a 1k cable to a RM100 CD player (illustration purposes only).... correct

what about Coaxial, optical interconnects then, does different "makes" have difference in audio quality????
azbro
post Nov 4 2009, 11:01 PM

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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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99% googled, 1% tried but no notice difference...haha

cabut...
ar188
post Nov 4 2009, 11:09 PM

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QUOTE(azbro @ Nov 4 2009, 11:01 PM)
99% googled, 1% tried but no notice difference...haha

cabut...
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I tried.. USB cable free one and RM15 one.. no difference.. data came out same.. biggrin.gif
Dark NT
post Nov 4 2009, 11:12 PM

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Oh I tot RM15 cable data more accurate biggrin.gif
ar188
post Nov 4 2009, 11:15 PM

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QUOTE(Dark NT @ Nov 4 2009, 11:12 PM)
Oh I tot RM15 cable data more accurate biggrin.gif
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biggrin.gif
SiriuslyCold
post Nov 4 2009, 11:16 PM

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the correct response is "in my system, there was no discernible difference'

look at it this way - would you use a coax or toslink? why choose one over the other?

This post has been edited by SiriuslyCold: Nov 4 2009, 11:17 PM
moomoos
post Nov 4 2009, 11:18 PM

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If Digital Signals is either a 0 or a 1, as ppl say either u get the signal or no signal

example:::

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??

as describe on provided links by bro SiriuslyCold
However... http://db.audioasylum.com/cgi/m.mpl?forum=...ht=modwright&r=

or here.. http://www.audioasylum.com/audio/cables/messages/115776.html

or here http://www.audioasylum.com/audio/cables/messages/115763.html

remember HDMI also carries Digital HD Audio......

if digital audio signals can have a difference, what about digital Video signals

is it that, certain clarity, colour, contracts, picture depth....... one is missing ???? biggrin.gif
ar188
post Nov 4 2009, 11:19 PM

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or maybe, it should be: I did not hear any strange discomforting abrupt sounds that is associated with digital audio data loss during transmission via digital cables....
moomoos
post Nov 4 2009, 11:22 PM

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well.... one can call it placebo effect ...

but HDMI digital cables do differ in Reality .... biggrin.gif
Dark NT
post Nov 4 2009, 11:29 PM

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QUOTE(ar188 @ Nov 4 2009, 11:19 PM)
or maybe, it should be: I did not hear any strange discomforting abrupt sounds that is associated with digital audio data loss during transmission via digital cables....
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rclxms.gif audio analyser speaking
robertngo
post Nov 4 2009, 11:45 PM

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QUOTE(ar188 @ Nov 4 2009, 11:09 PM)
I tried.. USB cable free one and RM15 one.. no difference..  data came out same..  biggrin.gif
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u not yet try monster high performance USB cable

http://www.monstercable.com/productdisplay.asp?pin=1429

with

• XLN® Xtra Low Noise® construction delivers up to 400MHz of bandwidth.
• Advanced Monster® technologies meet high-speed USB 1.0 specifications.
• Heavy-duty double shielding rejects noise for faster, more reliable data transfer.
• Large gauge power conductor for low-loss power transfer to self-powered USB devices.
• Duraflex® protective jacket is flexible for easy routing and storage.

or Denon mind blowingly awesome $499 ethernet cable

http://www.usa.denon.com/ProductDetails/3429.asp

P.S anyone know if monster have takeover Denon??

This post has been edited by robertngo: Nov 4 2009, 11:48 PM
ar188
post Nov 4 2009, 11:48 PM

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QUOTE(robertngo @ Nov 4 2009, 11:45 PM)
u not yet try monster high performance USB cable

http://www.monstercable.com/productdisplay.asp?pin=1429

with

•  XLN® Xtra Low Noise® construction delivers up to 400MHz of bandwidth.
•  Advanced Monster® technologies meet high-speed USB 1.0 specifications.
•  Heavy-duty double shielding rejects noise for faster, more reliable data transfer.
•  Large gauge power conductor for low-loss power transfer to self-powered USB devices.
•  Duraflex® protective jacket is flexible for easy routing and storage.
*
wow.. meet USB 1.0 specs.. so high end ar? laugh.gif

will it be faster than this no name USB 3.0 cable?

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Dark NT
post Nov 4 2009, 11:50 PM

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Faster by 12ms.

cosmicmeadow
post Nov 5 2009, 12:43 AM

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Digital is 1 or 0, everybody's right.

But sending signals via cable or wireless are analog... they are waves.
I remember studying this is Form 4/5 Science.

Then the argument is when you send a 1 signal, it goes to the other side and received as 1. Same with 0. So, theoretically, there is no signal loss.

But remember, when you send a 1 signal, it is sent as a wave that is supposed to be interpreted as a 1 by the receiver. This is where interference, noise, etc. can distort the wave to make the receiver think it is a 0 instead. Error correction should fix this, but they are not fool-proof.

So cable quality should have impact on signal quality, albeit very minimal. Makes sense?

This post has been edited by cosmicmeadow: Nov 5 2009, 12:44 AM
ar188
post Nov 5 2009, 12:51 AM

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so what happens to the audio and videowhen error correction in digital signal fails?

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