Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.




108 posts

Master Geek
+1 received by user: 3


Topic # 228524 10-Jan-2018 11:35
Send private message quote this post

I have a HDMI cable which has just stopped playing the right colours so I swapped it for another.

 

My Question is do you need more expensive ones or something like $5.00 ones from say the Warehouse?

 

To connect PS3,Panasonic DVD recorder,Apple TV and Intel Nuc through a Yamaha RX-840 finally to An LG smart TV.

 

I have always used the cheap ones just curios with anyone's experience.


Create new topic
3253 posts

Uber Geek
+1 received by user: 586

Trusted

  Reply # 1935434 10-Jan-2018 11:42
2 people support this post
Send private message quote this post

cheap ones are fine, digital cable.   if youre putting a cable in a wall that isnt easy to replace, then sure getting a better quality one (but nothing monster like).   pretty much all my cables are cheap ones from warehouse/ebay etc.


3269 posts

Uber Geek
+1 received by user: 413


  Reply # 1935813 10-Jan-2018 19:43
One person supports this post
Send private message quote this post

For your gear, you won't notice a single bit of difference.

 

However now people are attempting to jam up to 18Gbps down the cable for UHD HDR content, many cables are being shown up.

 

Today I couldn't get all the XBoxS UHD capabilities to work with a UHD TV, one cable needed to be replaced and then everything worked.

 

The issue is that every manufacturer has made big claims for ages but there hasn't been an easily available source to test what they have said... now there is.

 

Many AV manufacturers are now recommending that if you want to jam UHD 4:2:2 60fps or higher down an HDMI cable - that you should move towards a powered cable to boost the signal in runs over 5 meters. UHD projector owners are the ones who will most likely feel the pinch of this.


 
 
 
 


224 posts

Master Geek
+1 received by user: 15


  Reply # 1935886 10-Jan-2018 21:58
One person supports this post
Send private message quote this post

xyeovillian:

I have a HDMI cable which has just stopped playing the right colours so I swapped it for another.


My Question is do you need more expensive ones or something like $5.00 ones from say the Warehouse?


To connect PS3,Panasonic DVD recorder,Apple TV and Intel Nuc through a Yamaha RX-840 finally to An LG smart TV.


I have always used the cheap ones just curios with anyone's experience.



I'll quote myself from another thread below that explains some of the reasoning behind requirements.
I'll add that it really comes down to the quality control of manufacture and quality of the components than the actual price.
For 4k+HDR signals and greater than 4~5m length I'd recommend active cables.
For relatively shorter lengths just a reasonably constructed cable is good.
I have been using Dynamix cables from Jaycar with no real dramas.

Also note cables can expire from use, contacts get dirty, moisture ingress, overuse breakdown. Gaming console cables can get overuse from being constantly plugged in and out and moved around. Smoking, cooking oils and tar can ruin contacts.


Most HDMI 1.4 devices are limited to 9~10.2Gbps and in some cases lower.

1080p24 @8bit 4:4:4 = 2.23Gbps

If you struggle with this, lower settings 1080i, 720p or even 576i to get a signal then step up one level at a time until it fails then drop back one setting. That then is the device/cable transport limit. Note: some DVD/BD players amp up the signal more than others at the risk of swamping the HDMI cable.


If you struggle to do this over any connection you are in trouble for anything related to 4k or HDMI 2.0a~2.1

2160@24 8bit 4:4:4 = 8.91Gbps

A lot of people should be able to do basic 4k as above with short/medium cables and transitional 4k devices.

2160@24 10bit 4:4:4 = 11.14Gbps
2160@24 12bit 4:4:4 = 13.36Gbps

This is where people will start having issues when they raise bit depth to 10bit/12bit, this will be the default future for 4k +HDR as 8bit is just not good enough.

2160@50/60 8bit 4:4:4 = 17.82Gbps

So you want 60fps, you drop to 8bit but probably overwhelm your systems.
8 bit is not the way to go.

You are better off setting this

2160@24 10bit 4:4:4 = 11.14Gbps
or
2160@50/60 10bit 4:2:0 = 11.14Gbps

I'd argue that the 24hz would be better on a modern display that ups the Hz.
this does depend on the source material and what it is as default.





Masterpiece Calibration Ltd, isf certified

 

www.mastercal.co.nz

 

 

"I'm not a robot!"

Mad Scientist
17727 posts

Uber Geek
+1 received by user: 2172

Trusted
Lifetime subscriber

  Reply # 1935909 10-Jan-2018 22:52
Send private message quote this post

xyeovillian:

 

I have a HDMI cable which has just stopped playing the right colours so I swapped it for another.

 

My Question is do you need more expensive ones or something like $5.00 ones from say the Warehouse?

 

To connect PS3,Panasonic DVD recorder,Apple TV and Intel Nuc through a Yamaha RX-840 finally to An LG smart TV.

 

I have always used the cheap ones just curios with anyone's experience.

 

 

If you're not transmitting 4k60fps $5 cables are fine. If you are, they may not be fine.




108 posts

Master Geek
+1 received by user: 3


  Reply # 1937330 11-Jan-2018 19:11
Send private message quote this post

I bought 2 thats all they had left kmart Audiosonic HDMI cable 1.5m working good now!


Create new topic



Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





News »

Less news in Facebook News Feed revamp
Posted 15-Jan-2018 13:15


Australian Government contract awarded to Datacom Connect
Posted 11-Jan-2018 08:37


Why New Zealand needs a chief technology officer
Posted 6-Jan-2018 13:59


Amazon release Silk Browser and Firefox for Fire TV
Posted 21-Dec-2017 13:42


New Chief Technology Officer role created
Posted 19-Dec-2017 22:18


All I want for Christmas is a new EV
Posted 19-Dec-2017 19:54


How clever is this: AI will create 2.3 million jobs by 2020
Posted 19-Dec-2017 19:52


NOW to deploy SD-WAN to regional councils
Posted 19-Dec-2017 19:46


Mobile market competition issues ComCom should watch
Posted 18-Dec-2017 10:52


New Zealand government to create digital advisory group
Posted 16-Dec-2017 08:47


Australia datum changes means whole country moving 1.8 metres north-east
Posted 16-Dec-2017 08:39


UAV Traffic Management Trial launching today in New Zealand
Posted 12-Dec-2017 16:06


UFB connections pass 460,000
Posted 11-Dec-2017 11:26


The Warehouse Group to adopt IBM Cloud to support digital transformation
Posted 11-Dec-2017 11:22


Dimension Data peeks into digital business 2018
Posted 11-Dec-2017 10:55



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.