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Optical HDMI Cables Are Superior, Here's WHY - FEAT Ruipro
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- Опубликовано: 12 авг 2024
- Ruipro sent over their Certified Fiber HDMI 2.1 cable for review. I’ll be covering four points,
1. Do they actually work?
2. What makes them special compared to the competition,
3. Pricing,
4. Frequent questions/myths and use cases.
Overall, it’s an excellent cable that does everything it claims, and I do recommend it.
- HDMI 2.1 Spec Explained: ( • Hands On With HDMI 2.1... )
Alternate Titles:
- 4K144 Hz, HDR, VRR, etc - Ruipro HDMI 2.1b Fiber Optic Cable Review
- RuiPro HDMI 2.1b Fiber Optic Cable: The Ultimate Solution for Long-Distance 4K Viewing
- Long-Distance 4K Viewing Made Easy with the RuiPro HDMI 2.1b Fiber Optic Cable
- Unleash the Power of HDMI 2.1 with RuiPro's Long-Reach Fiber Optic Cable
- The RuiPro HDMI 2.1b Fiber Optic Cable: The Perfect Solution for Your Home Theater
-------------------
DISCLAIMER:
I was sent this product in exchange for an unbiased review and they had ZERO influence over it and saw it at the same time as everyone else. My thoughts are my own. I am very blessed to be in a position where I can try products I wouldn't have tried myself or couldn't afford. I do not get rewarded for a positive review or punished for a negative review. The only way I lose is by NOT providing my true opinion on a product. I only choose products that I think would have a value to my audience or something unique that makes it interesting to me. I will never give a positive review in exchange for money and/or at the cost of my integrity.
--------------------
LINKS (Non-Affiliate):
RUIPRO Crystal 8K HDMI Ultra High Speed Latest 2.1b Certified Fiber Optic Cable:
7.6m/25ft x1:
Amazon US: www.amazon.com/dp/B0C4KT8131
Amazon UK: www.amazon.co.uk/dp/B0C4KT8131
Amazon DE: www.amazon.de/dp/B0C4KT8131
10m/33ft x1:
Amazon US : www.amazon.com/dp/B0BTGG3GTF
Amazon UK: www.amazon.co.uk/dp/B0BTGG3GTF
Amazon DE: www.amazon.de/dp/B0BTGG3GTF
--------------------
SPECS:
- Arc/eARC
- VRR/ ALLM
- QTF/ QMS
- HDCP 2.2 and 2.3
- CEC, 3D, Ethernet Chanel, EDID,
- 48 Gbps
- 8k 60, 4k 120 Hz (but I got 144 Hz)
- optical fiber
- Dynamic HDR10
- Uncompressed
- Electromatic shielding
- Slim, flexible, bend radius 0.6 inch.
- Zinc alloy shell w/ gold plated plugs
- single directional
- Gen 3/C HDMI 2.1b certified
- Hybrid cable
- Fiber and 8 copper wires inside. fiber sends data, copper cares handshake and authentication.
- 5-year warranty.
--------------------
TIMESTAMPS:
Intro: 00:00
1. Do They Work? 00:40
Showing Them Work: 01:37
2. What Makes This Cable Special? 05:41
3. Pricing: 09:56
4. FAQ: 12:32
Conclusion: 16:10
--------------------
THE GEAR I USE DAILY:
FYI: Most are amazon associate links that I earn a small commission off that link only at no extra cost to you.
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--------------------
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![Finesse2Tymes & Og Boo Dirty - Real Recognize Real [Official Music Video]](http://i.ytimg.com/vi/3xb4bl5PWF8/mqdefault.jpg)
I don't know what your videos are generally about but you have my support for this video alone. Argh....FINALLY, I've been searching for exactly this product for years! Being restricted to a maximum of 5 metres has been such a pain, recently, our dog came into my room and nearly brought my Very expensive PC (due to building it during parts shortages, especially the RTX 3080 graphics card which cost me AUD $4K ALONE) and my LG G1 Oled TV high up on my wall, crashing down as she got caught on the cable which was hanging around 1ft off the ground because 5 metres wasn't long enough. that cable is now hanging from the ceiling in plain sight. if those Ruipro cables are available in Australia, I will buy at least two of the ten-metre cables or longer if they are available. I can't practically run them under the floor, in the ceiling or walls but if the length is long enough, I could run the cable flush with the skirting boards which would get rid of any trip hazards.
I'm hopeful that this solution will work well for you. I'd love to hear your thoughts on it if you try it out!
Very informative, and I wasn’t entirely sure about the differences in HDMI cables myself.
The cable you’re showcasing definitely seems like a solid choice for a private home theater, whether you’re wanting to connect your TV to your PC or have a device hooked up to your PC/TV from a long distance or even within another room itself. Seems useful when connecting a device that is located inside while a TV is located outside, such as on a covered patio. Strong, sturdy material.
In my personal use, I would not find much use for this as I have a sufficient HDMI cable connected from my PC to my 244Hz Acer Predator monitor roughly a foot away and another cable connecting to my curved Samsung monitor that I tend to use as a second screen.
Regardless, thank you for the explanation Thomas. It taught me a few things and if I have elaborate projects in mind for the future I will consider this specific cord.
This would be a great choice for having a device in another room due to whatever. Some things that come to mind would be reducing heat or noise.
With your current setup there certainly is no need for Fiber cables or crazy lengths.
Thanks for checking out the video!
@@ThomasMuehler Trying to figure out why anyone would want the fiber cable unless they were physically going further than a standard cable allows... like 50ft or so. For normal home theater use, the cheapest crap copper cables on Amazon should work perfectly for all of this.
@@scrampker I agree. As mentioned in the video anything less than 15 feet a normal copper cable should be fine. But anytime you start pushing past that 6 foot mark you increase the chance of a copper cable having a defect or issue. These cables are really for those who need a cable >15 feet. Otherwise, 100% agree save the money and go with something cheaper.
@@ThomasMuehler I'm just amazed how cheap these fiber cables are, and that they can operate from the 50mA available on each port.
@@scrampker It is impressive isn't it.
Great video. You mentioned that these cables (the 33-ft one) are in-wall rated, however I do not think this is the case. Nowhere on the Amazon product page is in-wall CL2 or CL3 rated mentioned. Typically, with long 2.1 fiber cables you have to choose between HDMI-certified or CL-2/CL-3 in-wall rated. There is like only one brand that I recall having both.
Then I was probably incorrect and appreciate you catching my mistake. I would have only said it if I read it somewhere. This video was a while ago so I don't remember everything off the top of my head so don't remember where I saw it to double check! And HDMI is still one of those things I have knowledge about but don't follow super close so am not an expert in. It does look like they have some CL2 rated cables. Didn't see CL3 or having both in one cable. Not quite sure how I fumbled. But I did and I'm very sorry about that.
Very good video!! I have a question...my PC is 5 meters away from the monitor (1080p-165hz). Does the Ruipro fiber optic displayport cable really work for gaming? Do they not produce frame loss-tearing? I need it to be fluid......I await your response and thank you!
Yes, it works for gaming. Yes, it won't produce frame loss/tearing. As that isn't so much the cable (it can be but at 1080 165 hz unlikely as the bandwidth needed for that isn't significant in comparison to 4K 144 HDR). More likely frame loss and screen tearing is coming from your monitor, CPU, GPU, or a setting(s) being off. As while these (and many other) cables support Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), Quick Frame Transport (QFT) which give you the tools needed from a cable standpoint to perform at top level. But your monitor also needs to have HDMI 2.1 (although I think HDMI 2.0b would also support 1080 165 Hz), a VRR technology (Freesync or Gsync, preferably the higher end variants as they perform better, with G-Sync Official - Not supported mind you - giving the best results as it requires certification. But also need to turn on that VRR via software in your Nvidia Control Panel (or AMD panel equivalent) with V-Sync On inside the game. With frame rate locking
great review. is the ruipro cl2 cable similar to this in terms of performance? i am completely new to such cables and i find the cable in the review entitled on amazon as "ultra high speed". the cl2 cable is the black normal 3ft cable. thx
From my comparison (if I'm looking at the right product) the CL2 Certification means it was certified to have better Fire Resistance than the cable in the review. As I don't remember if the cable in the review had/has or was tested for that. Which makes it better for in wall use as it won't catch on fire. But with HDMI being low voltage I think risk of a fire is unlikely to start with. But does provide extra peace of mind.
It also doesn't appear to be "certified HDMI" like the one in this review. Which I believe I discussed the pros/cons of that as well (if not I'd check out my HDMI cable video which explains more in-depth). Which essentially means peace of mind again as a cable kind of works or doesn't work.
Which is a long way to say, yes either of these cables should work great. If they don't exchange them, and if that doesn't work return them and go with a different cable. But at 3 FT any cable should work.
@@ThomasMuehler thank you so much
That comment about there's nothing worse than troubleshooting an issue for hours and hours only to find that it was a bad cable. That definitely struck true for me recently as I was changing some things around with my gaming rig and I had my EVGA RTX 3080 FTW3 ultra that I had just fixed recently by having to replace the fans hooked back up to my main screen which is a 55-in q n e d LG ,4k which I had no issues with before but all the sudden I kept on having signal loss just every I don't know 5-10 minutes some days I would get a black screen for a few seconds right in the middle of gaming and so I thought maybe the HDMI port on my 3080 was bad cuz I tried several different cables and they all did the same thing and they were all supposedly high speed HDMI 2.1 cables. And then I decided well I'll just use an adapter for the display port outputs since there's only one HDMI but that caused all kinds of problems since I was trying to run 1440p in 120 hz it did not like that at all Windows was going absolute dog s*** crazy kept on moving apps and programs from one screen to the other screen because the other monitor was ultra widescreen that actually has a display port and supports everything that the cable supports. But windows was barely even detecting that it was connecting via HDMI hell at one point it even said it was DVI I was all kinds of confused.
But today I did a bunch of research while I was on break from work and found out that those adapters don't really allow certain features even if your TV supports it to work properly in most cases. So I went back to maybe it's just the cable. Stopped at Best buy picked up a couple of audio quest 8 to 10K certified cables 48 GB speed and after connecting everything up I have zero issues now and it sounds and runs beautifully in fact now it runs at 4K 120 hz 120 FPS I might still take them back if some monoprice ones will do the same thing but I'd have to order them and I need them this weekend. I had no idea what a difference a first gen 2.1 cable versus a high-end 2.1 cable makes.
Especially since my first one goes to my TV and then the second one goes from the eArc port on my TV to my soundbar and no more issues there either. ^_^
Oh man that sounds horrible. Glad you found your fix. It is definitely one of those that anytime you can minimize the amount of chains (in this case that adapter) the better. As you just run into less problems. As its pretty crazy how much tech is packed into a port or cable these days to get things working right. The amount of time I've spent looking at an adapter to just give up because it doesn't support anything is a lot. lol.
would an 8k capable hdmi couple work with hdmi fiber optic cables so that a short run cable could provide strain relief for a heavy guaged hdmi fiber optic cable?
I'm not an expert. From what I do know I don't see why that wouldn't work. As everything should handshake correctly. But I have learned when it comes to electronics the more complicated the setup the more likely something is to go wrong. So, I can't guarantee anything.
I had this brand and length. It worked fine when I tested it but when I uncoiled it and connected it to my laptop I get horrible random disconnection
That is interesting and I appreciate you letting me know! I’m sorry you ran into troubles, that sounds super frustrating. Did you send it back? Get a new one through RMA? Figure out a way to fix it?
I think we need to talk about some lack of understanding of this technology and why it exist. First of FIBER OPTIC IS MORE FRAGILE! the cable doesn't stop working because " light can't bend severe angles" maybe not a exact quote, but rather because if you kink the cable it will crack the fiber in the cable and you will need to replace the cable. I believe that unless you need to run a cable longer than 5 meters you should run your cable using a traditional copper cable. ( as it is cheaper, and actually more rugged ) A lot of issues people have with copper cables comes from cheap manufactured cables, just buy a cable from a trusted brand ( and no crazy "premium" cable for 200+ bucks )
I appreciate you adding some clarification.
Yes, I agree that fiber optic is more fragile. Yes, if you happened to crack the cable then it would be busted and stop working. But if you didn't and it wasn't working it would be due to what I was saying of light not refracting correctly around the bend. Which would be fixed once straightened and would continue to work since the fiber optics isn't broken.
I also agree (and I thought I said that in the review) that if you are running
have you tested the copper ruipros? they're also UHS certified, already went through 3 different cables with flickering issues at 4k 120hz, im going insane so im hoping these are good before i pull the trigger
I got a sample from them with their very short thin copper cables. I haven't tested them very much. Just did a quick unboxing video for them. Additionally, with those being so short I'd be shocked if there were any problems. Which was a long way of me saying I don't know. I do like that Ruipro has certification. And the cables I have used from them all work great. But that's all I can say. If you do end up trying them I'd love to hear your results. Especially, if they are bad so I can let people know.
How long of cables are you using and what are you using it on?
These are the ones that I've used for my personal setup and they have worked great. www.amazon.com/gp/product/B07S1CGQ9Z/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
@@ThomasMuehler one I can outright say weren't working are the thin fibbr cables, I used a 6ft one as an output for a capture one and was flickering every 20 seconds at 4k 8bit 120hz, I switched to the stock cable that came with the capture card as an output but now realizing my long input cables from highwings are doing the same thing after a while if I don't replug them daily. Really annoying 😅 got the 6ft copper ruipro in today and ordering a 10ft tonight I'll post an update if it all goes well
@@robertbobbybob Oh no! That is good to know though. Looking forward to your results with the 6 FT and 10 FT. But if you're going through a bunch of cables it almost makes me wonder if the cables aren't the issue and instead its the port, graphics card, or something else.
@@ThomasMuehler so far I've left a game open for almost 2 hours with no hiccup, put it to 4k 10bit @120hz this time and its running with 0 issue! sticking with UHS certified stuff from now on 😅
@@robertbobbybob That's is wonderful news! I'm so glad to hear that. Hopefully it continues to be that way.
Are there any advantages at lengths under 10ft?
No.
Only argument I could make, which is an exceedingly poor one, is optical is maybe faster (because light travels fast) and I think less prone to interference? But I think at that length would be negligible if at all noticeable.
Does this cable have heating in the connectors? I read that this is a problem with fiber optic hdmi cables
I’ve felt heat on all hdmi cables. This one didn’t seem any different than the others I’ve tried. But I didn’t look all that closely to this particular cable. Also dont have a lot of spare time where I’m watching or using these cables to give you a solid answer.
@@ThomasMuehler thank you
Ran a lot of these sorts of cables (not the same brand) at the HiFi shop I worked at, they were never really that much warmer than the heat off the back of a modern receiver or other equipment. Don't think they'll ever get to the point of dangerous, they'll just start cutting in and out intermittently. Strain relief is exceedingly important as they can damage easily if not installed carefully inside wall cavities etc.
I went full fiber optic with my new isp . For xbox is wify enough or should i get hdmi fiber ? Wifi on xbox serie x is maxed out
Honestly, I've never actually used internet via HDMI so know nothing about it. I also don't know what devices officially support that. So you'd have to do research on that yourself.
They say that wired is always best for gaming as it is going to have the least amount of variability. However, the new Wi-Fi 6/7 is pretty impressive. So I'm not sure how long that will continue to be the case. My recommendation would be to do some A-B testing yourself. So I'd just set up a monitor or something (that is quality) and then go into multiple matches both wired and wireless and look at your latency and see how it feels. If you don't feel a difference then go with wireless. If you do then figure out how to wire it all up.
@@ThomasMuehler my bad . The internet is ethernet after isp fiber optic modem . I was wondering if any had tested in this configuration after fiber modem say etherner fiber optic and hdmi fiber optic . Why ? It seem the non fiber optic pacing system is not able to tempo it self properly
That is not something I have done. But if you find an answer I would love to hear it.@@user-xk1cp5jd2g
I've read that the connectors of fiber cables can get really hot, due to the electronic parts inside which transform electric signals to optic ones.
Indeed there is a review of another cable where the user built some kind of active cooling for the connector to keep it cold, he said that you couldn't even put your fingers on it otherwise because of the heat.
Is this an issue here too? I can hardly find any information about this, but it seems to be "normal" to fiber cables.
To be honest with you I don't know. That wasn't something that I noticed but also not something that I tested/looked for. Also, a lot of my normal setup isn't using those cables. And due to life I don't spend a lot of time on my devices with HDMI where I can run int through a proper test. I will say that yes, where you plug in the port gets warm/hot. But not to the point I couldn't pull it out with my fingers or would burn myself. But that is the case with other HDMI cables I've used too. I also would image there would be some type of universal law that prevents a cable from going past a certain temperature. Which is why certifications are so important.
@@ThomasMuehler thanks for your helpful answer. You're right, even the connector of a standard copper wire hdmi cable can get very warm. Well, I'll think about trying fiber cable. To my surprise there aren't many tests or user experiences available about such cables.
I agree. I haven't heard of many people testing that out. I'll make sure to try and remember that in the future! And also, if i find myself in a position where i can test that out I'll definitely get back to you. If I remember. @@h.h.808
I'll tell you what the HDMI cable I was using on my 3080 was always burning hot while I was gaming it was so hot that I got a small positional fan to sit underneath the slot pointed directly above to help cool it off.
Can you try this via a switch?
Why could it possibly not work?
I read somewhere that they don't recommend it with a switch. I don't have one that would test it out correctly which I why I didn't test it.
But my thought process (and this is PURE SPECULATION) is it depends on how you are setting it up. For example, with and HDMI switch the output sometimes sends signals both ways via eARC (PS5 --> Switch/Xbox --> Switch/Blu-ray Player --> Switch TV). With this being only a single direction maybe that wouldn't work correctly? Whereas, if you have it say (PS5 -> Switch -> TV) I think it would work just fine as you sending data one way. But the audio thing could be an issue as it is single direction? But I'm pretty sure this supports eARC anyways so I might be just spreading a bunch of misinformation. But that would be only thing I could think of that would cause issues. Or maybe if you had multiple optical cables plugged into the same thing it would causes some problem? I really don't know for sure.
@@ThomasMuehler eARC works with these cables.
"Compatibility with eARC:
Active HDMI 2.1 Cables:
Active HDMI 2.1 cables are designed to support the latest high-bandwidth features, including 8K video at 60Hz and 4K video at 120Hz. These cables contain active components, such as signal boosters and equalizers, to ensure the integrity of the signal over long distances. However, their directionality means they are designed to work optimally in one specific direction: from the source (like a gaming console or Blu-ray player) to the display (like a TV or projector).
eARC Functionality:
Enhanced Audio Return Channel (eARC) is an advanced feature of HDMI 2.1 that significantly improves upon the older Audio Return Channel (ARC). It allows for the transmission of high-quality audio formats, including uncompressed and object-based audio formats like Dolby Atmos and DTS
, from the TV back to an audio system such as a soundbar or AV receiver.
How Active HDMI 2.1 Cables Support eARC:
Signal Boosting for Video:
The active components in HDMI 2.1 cables primarily focus on boosting and processing the high-bandwidth video signals. These components ensure that the video signal remains robust and clear as it travels from the source device to the display, overcoming the signal degradation that can occur over longer cable runs.
Dedicated eARC Wires:
Inside an HDMI cable, there are multiple pairs of wires, each serving different functions. For eARC, a specific pair of wires within the cable is dedicated to handling the audio return signal. This pair is separate from those used for video and other data transmissions.
Passive and Bidirectional Nature of eARC Wires:
The wires dedicated to eARC are typically passive, meaning they do not rely on the active components that boost the video signal. These passive wires allow for bidirectional communication, meaning audio can flow from the TV to the audio system and vice versa. This bidirectionality is crucial because it enables the TV to send audio signals back to the audio system, even though the overall cable direction is optimized for video transmission from source to display.
Ensuring eARC Compatibility:
Manufacturers design active HDMI 2.1 cables with eARC compatibility in mind. The cable's active components do not interfere with the dedicated eARC wires, ensuring that the high-quality audio return channel operates seamlessly alongside the boosted video signal.
Practical Implications:
When using an active HDMI 2.1 cable with devices that support eARC, users can enjoy the full benefits of high-quality audio and video transmission without worrying about the directionality of the cable affecting the eARC functionality.
This ensures that users can set up their home theater systems with confidence, knowing that their high-end audio and video equipment will communicate effectively through a single cable.
Conclusion:
Active HDMI 2.1 cables, despite their directional nature, are designed to fully support eARC by incorporating dedicated, passive, bidirectional wires for audio return. This design allows users to enjoy superior audio and video performance without compromising on functionality, making these cables an excellent choice for modern home entertainment systems."
If they work with receivers which one could technically think of as advanced switches then why not more basic actual switches that fully support the standard and everything necessary behind it? Should be technically possible.
optical fiber in the cable built in ?
Yes, instead of copper strands it uses fiber optic strands. Unless if it is a hybrid where it will use both.
Used to work at a HiFi store and we sold the Kordz PRS4 cables. Same sort of thing...
"Data Rate: Up to 48Gbps (FRL mode) | up to 18.2Gbps (TMDS mode)
Video Resolution: Up to 8K (7680 x 4320) / 10K (10240 x 4320)
Video Refresh Rate: Up to 240 frames per second
Colour Depth: Up to 16 bits
Colour Formats: RGB 4:4:4 / Y’CBCR 4:2:2 / Y’CBCR 4:2:0
Content Protection: Up to HDCP 2.3 supported
Audio Sample Rate / Channel: Up to 192KHz
Audio Sample Size: Up to 24 bits
Audio Channels: Up to 32 channels
Audio Formats Supported: DTS Master, DTS:X, Dolby TrueHD, Dolby Atmos
Auxiliary HDMI Features Supported: Consumer Electronic Control (CEC), Auto Lip-Sync Correction, Ethernet channel, Audio Return Channel (ARC), Enhanced Audio Return Channel (eARC), High Dynamic Range (HDR), Dynamic HDR, Variable Refresh Rate (VRR), Quick Media Switching (QMS), Quick Frame Transport (QFT), Auto Low Latency Mode (ALLM), Display Stream Compression (DSC), Source-Based Tone Mapping (SBTM)
Technical info
HDMI CERTIFICATION 10.0m - 20.0m ACTIVE OPTICAL
HDMI CTS Certification: Ultra High Speed HDMI® Cable
DPL Labs Certified Data Rate: 12.0Gbpsc, 48Gbps agg
Supported Data Rate: ≥12.0Gbpsc, 48Gbps agg (8K UHD)
Supported HDMI Clock: 1200MHz
MECHANICAL
Cable Diameter: 5.5mm±0.30mm / 8.2mm±0.30mm
Mounting Length: 41.9mm/1.96″
Cable Bend Radius: 20.0mm/0.78″ - 25.0mm/ 0.98″
Retention Force (nom): 20N (approx. 2kg / 4.4lbs) +10/-5%
CONSTRUCTION
FRL/TMDS Conductors : OM2 (50/125µm) optical fibre
Conductors: Bare copper, 32-26AWG
Shielding Overall: Al-PET (nom. 25% overlapping, Al side face out) Tinned copper wire braiding(16/13/0.08mm), with nom. 85% coverage
Cable Jacket Material: LSZH rated composite (10.0m - 15.0m), PVC composite (20.0m)
HDMI Connector Shell: Anti-fatigue die cast Zn alloy, 1μ” 24K Gold plated
HDMI Connector Pins: Solid OFC, 15μ” 24K Gold plated
Active Technology: Directional, In-shell Optical Light Engine
HDMI Backshells: ABS front shell with PVC injection moulded boot and strain relief"
Also UL CMG Fire Rated.
Pricey but fit for purpose. Basically essential cables for a modern custom home theater install with a projector.
Yep. Absolutely. Expensive, yes. But depending on the purpose worth the investment.
@@ThomasMuehler Such cables also pass eARC btw.
Compatibility with eARC:
Active HDMI 2.1 Cables:
Active HDMI 2.1 cables are designed to support the latest high-bandwidth features, including 8K video at 60Hz and 4K video at 120Hz. These cables contain active components, such as signal boosters and equalizers, to ensure the integrity of the signal over long distances. However, their directionality means they are designed to work optimally in one specific direction: from the source (like a gaming console or Blu-ray player) to the display (like a TV or projector).
eARC Functionality:
Enhanced Audio Return Channel (eARC) is an advanced feature of HDMI 2.1 that significantly improves upon the older Audio Return Channel (ARC). It allows for the transmission of high-quality audio formats, including uncompressed and object-based audio formats like Dolby Atmos and DTS
, from the TV back to an audio system such as a soundbar or AV receiver.
How Active HDMI 2.1 Cables Support eARC:
Signal Boosting for Video:
The active components in HDMI 2.1 cables primarily focus on boosting and processing the high-bandwidth video signals. These components ensure that the video signal remains robust and clear as it travels from the source device to the display, overcoming the signal degradation that can occur over longer cable runs.
Dedicated eARC Wires:
Inside an HDMI cable, there are multiple pairs of wires, each serving different functions. For eARC, a specific pair of wires within the cable is dedicated to handling the audio return signal. This pair is separate from those used for video and other data transmissions.
Passive and Bidirectional Nature of eARC Wires:
The wires dedicated to eARC are typically passive, meaning they do not rely on the active components that boost the video signal. These passive wires allow for bidirectional communication, meaning audio can flow from the TV to the audio system and vice versa. This bidirectionality is crucial because it enables the TV to send audio signals back to the audio system, even though the overall cable direction is optimized for video transmission from source to display.
Ensuring eARC Compatibility:
Manufacturers design active HDMI 2.1 cables with eARC compatibility in mind. The cable's active components do not interfere with the dedicated eARC wires, ensuring that the high-quality audio return channel operates seamlessly alongside the boosted video signal.
Practical Implications:
When using an active HDMI 2.1 cable with devices that support eARC, users can enjoy the full benefits of high-quality audio and video transmission without worrying about the directionality of the cable affecting the eARC functionality.
This ensures that users can set up their home theater systems with confidence, knowing that their high-end audio and video equipment will communicate effectively through a single cable.
Conclusion:
Active HDMI 2.1 cables, despite their directional nature, are designed to fully support eARC by incorporating dedicated, passive, bidirectional wires for audio return. This design allows users to enjoy superior audio and video performance without compromising on functionality, making these cables an excellent choice for modern home entertainment systems.
6:28 Those cables don't have copper wires, audio is transported with the video through the fiber optic.
8:10 Yes, most of it are for durability. Unlike copper based hdmi, it's shielding is for physical protection rather than eletrical.
8:46 It's enclosure should be made of metal for dissipating a lot of heat during its optical-to-electrical conversion and vice-versa.
I appreciate the clarification!
- For point 1: I've heard differing things. Some say it has fiber optic and copper. But you're saying it just has fiber optic.
- Point 2: That would make sense. As fiber optic is more brittle than copper.
- Point 3: Also makes sense!
There are copper wires for power the receiver end.
Oh boy more cables running everywhere😅😅😅
Dude... so many cables. Even when I try not to use a lot of cables I still have way too many.
✅ *PromoSM*
I've had nothing but issues trying to span my 3080 @ 4k 120hz to my lrg screen in living room.
From audio glitches, loss of signal, or screen tears.
The solution was to accept unplugging, rebooting pc and reconnect. Also to never try to exceed 60hz.
HDMI fiber sounds like the quick fix before having to go and renovate the living room. Albiet hdmi fiber might be the only option for that anyway to make sure all content (& games) remain snappy and lag free
If you end up going with a Fiber HDMI cable I'd love to hear how that ends up working for you. From my understanding (and testing myself) this seems like the best option.
I will keep you updated. Should be in the NXT few months.
Good idea every few years if you upgrade your other equipment to also upgrade your cabling as standards change and improve over time to ensure interoperability