It is a very correct engineering term used frequently in reference to high speed digital signals.

BTW: The correct term in reference to such product once it hits the market place is YAF.

Thanks guys, on the way home today i picked up a BB splitter with a 1.4a spec. I got bent over for it ofcourse but i just need to get this job done and paid. Fortunately i had padded the estimate for little BS pieces that i ended up not needing.

In the other room we used a HDMI over coax extender with exactly the same box and wouldnt you know it...PERFECT FLAWLESS PICTURE i couldn't get this thing to fail if my life depended on it.

So does that mean its not a clock stretching issue and maybe there is something wrong with the HDbaseT extender? or do they use entirely different technology to to deal with clock stretching. Why wouldn't a clock stretching device be built into these extenders...seems like the splitter is a hack solution and there should be something better to deal with? then again it works so who am i to judge :)

This extender was old stock from snap after i decided to never use anything with a cord from them again. I tested it extensively on my bench with a gnarly cable and it was perfect, couldn't get it to fail at all so i figured i was safe with it...guess not. Do all HDbaseT extenders suffer from clock stretching issues? Im now only using Ethereal for cables, Brent can you comment if your HDbaseT suffers from clock stretching issues too, doesnt matter one way or another im going to be using your product.

Anyone know if ill be OK with the rocketfish 1.4a spec splitter to rectify this? I gotta get this job wrapped up, will be back tomorrow at 8:30am

Yo dudes. Your clocks out. The correct time and date stamp is 23:45 on thursday 13 th march 2014. Why isnt everyone using the Queens time clock and calender

I thought i had had drunk way too much whiskey and missed a whole day.

Judging by the announcement from Zektor that their next gen. HDBaseT stuff will have the splitter circuitry built in leads me to believe that the problem is not in the extender, but in the source device. I have only heard of the issue with certain cable boxes. Does anyone have experience with the problem using other devices like Bluray players, Apple TV, Roku, Xbox, PS, etc?

Now if only there were a rule that forced manufacturers to pay CIs for their time "fixing", dealing, replacing, smashing, their HDMI products, we would have it made. :)

Interesting...

Today it worked absolutely flawless with an ATV,PC,Blu-Ray and a PS3. this system is very small and the cablebox will be the only sources in these rooms (cat5 in the living room and coax in one of the bedrooms) with no way to run new wires without extensive damage to the condo. (concrete floors and ceilings)

But what I am so frustrated about is why is HDbaseT so susceptible to this but a HDMI over coax which historically isnt near as reliable as HDbaseT not and work perfectly fine? HDbaseT is the bees knees of the HDMI extender area and it seems to be just as flawed as the baluns it replaced. WTF!!!

just a few weeks ago i had to install a component balun in a legacy system and it worked perfect. no clock stretching issue, no EDID, no freaking blank picture just a perfect looking picture. I want the days of component back :(

I have a Loewe Aconda 38" in piano black I can sell you. It has a gorgeous picture and a component video input! It just needs a power supply. You haul. :P

It is light years better than the old HDMI extenders. We know the issues to look for, so its just a matter of being ready. In the past you could replace every single thing in the system and still have issues. Now, its just a matter of keeping the 1x2 on the truck. I told you if I was closer I would have driven one over to you. I keep them in stock for those "just in case" moments. Today it bit you in the ass. I bet it won't again though.

Kris,
your answer implies that ANY 1x2 splitter will solve the problem. Others say splitter or clock-stretching splitter. How about a model number? Is there a complicated name that would define it better and ensure that future references to it won't have anybody grabbing a 1x2splitter out of their toolbox? (Would my 1x8 splitters be four times better?)


It means good luck.

Ugh. It's just a f'ing 1x2 HDMI splitter.

What's so frustrating is the lack of understanding how and older style HDMI extenders (what's a balun?) works vs. HDBaseT and why clock stretching seems to be treated as an "issue" or "problem" when it is a perfectly normal part of the communication bus.

HDBaseT uses I2C as the low speed communication protocol between nodes. Because it uses I2C it _must_ support clock stretching which is a perfectly normal part of the operation. There isn't a predefined baud rate between devices but instead a master clock speed. Sometimes a slave node has to press Pause and reduce the bus speed and the Master device has to wait until it receives a signal to increase the speed again. This Pause function is in effect stretching out the clock's low state condition and the only time when the slave devices is allowed to control the bus speed.

Older style extenders used a constant stream of data between sender and receiver, and in the case of a single CAT5 unit you only have 8 conductors to do the function of 19 wires in an HDMI cable. That's why there are power warts on the sender and the receiver as the 5v bus voltage is not being carried on the CAT5 anymore. The video signal is sent as either a highly compressed by the sender and then decompressed by the receiver or sometimes it's converted to good old component video on the wire and the digitized again for the HDMI output. Then you also have to send low speed data over the remaining wires and capacitance and cable skew can screw that up and make HDCP break.

HDBaseT is a packet based system similar to Ethernet so it's not going to be subject to the problems of the stream type extenders.

The problem with cable boxes is the cable providers are cheap and many times will simply flash new firmware onto older HDMI chipsets instead of having newer boxes built. From a connection perspective it works just fine using a HDMI cable, but since they are not true I2C Master devices they don't support clock stretching and that's what causes failure.

Putting a modern HDMI splitter, any HDMI splitter, adds a new master to the bus which DOES support the I2C clock stretch and lets the system function.

tl;dr: clock stretching is not a problem. Crappy masters (cable boxes) are.

What in God's name is a clock splitter?
Sorry I'm dumb.

Mr. S. It fixes daylight savings time on old VCR's. Don't worry 'bout it.

:)

Now you have me wondering something. Will this make it flash 1:00 or 11:00?

Yeah, well I'm sorry you're disgusted: this post of yours is the first place anyone said HDMI splitter instead of just splitter.

And Kris Brant from Snap was the first one to call it the wrong thing, in Post 3, a splitter instead of an HDMI splitter. The fact that the topic is HDMI does not mean that every item referred to should or could have "HDMI" as part of its name, and you just left it out because everyone will understand that.


Ditto.

You guys are NOT being helpful here! For post after post, we're told to use a 1x2 splitter. Finally someone says it's ANY 1x2 HDMI splitter. Since the term "splitter" all by itself has meant, since at least the 70s, an antenna signal or other 75 ohm passive splitter with F connectors, I was wondering how the hell you might install that!

Okay, so the industry has taken to calling HDMI... 1x2 distribution amps? -- by the totally inaccurate name of splitter, we can cope with that. But why did it take all these posts for someone to call it an HDMI splitter instead of a splitter?

And, since it was first called out for clock stretching, why is it that ANY splitter will work? Are any of these better than any others?  There's an implication that it doesn't actually stretch any of the clock intervals, but instead substitutes a new clean clock signal... so clock stretching is also not accurate?

The random inaccuracy of the terms in this thread rivals AVS Forums!