World Clock - what is it, and where is mine?
Old 10th December 2008
  #1
Guitar/Vox of Skyway Ave.
 
MikeTSH's Avatar
 

Thread Starter
Word Clock - what is it, and where is mine?

I have an M Audio 2496 soundcard atm (I know, haha). Anyway, just wondering what in the world is a world clock [in english] and where am I getting mine at the moment?
Old 10th December 2008
  #2
Lives for gear
 
alexp's Avatar
So you want to know where your clocking source is coming from without an external clock? Internally! Your running protools, so thats a pretty easy answer. As for what an external clock can do for your sound, I dont wanna open THAT can of worms again, although I am sure there are some on here that will regardless.



alexP
Old 10th December 2008
  #3
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larry b's Avatar
 

A world clock can tell you what time it is in any region of the world at any given time. You can find a good one at any watch or clock shop.

A WORD clock is a clock that tells your A/D and D/A converters precisely when a digital sample happens. If you dont have an external one, you are currently using the one built into whatever audio interface you are using (if youre using a digital-based recording system).

And, contrary to popular belief, going out and buying the best most expensive work clocking device will NOT necessarily improve your audio quality. If you only have one device handling all of your A/D and D/A conversion, its best to continue to use it's own internal clock, as this will result in the lowest possible jitter. It's only when multiple converters and other digital devices need to work together that external clocks become important.
Old 10th December 2008
  #4
Gear maniac
 

Quote:
Originally Posted by larry b View Post
A world clock can tell you what time it is in any region of the world at any given time. You can find a good one at any watch or clock shop.

A WORD clock is a clock that tells your A/D and D/A converters precisely when a digital sample happens. If you dont have an external one, you are currently using the one built into whatever audio interface you are using (if youre using a digital-based recording system).

And, contrary to popular belief, going out and buying the best most expensive work clocking device will NOT necessarily improve your audio quality. If you only have one device handling all of your A/D and D/A conversion, its best to continue to use it's own internal clock, as this will result in the lowest possible jitter. It's only when multiple converters and other digital devices need to work together that external clocks become important.
I hereby declare that can of worms open.

(but I agree with you, though)
Old 10th December 2008
  #5
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FeatheredSerpent's Avatar
 

LOL! Hey, the audiophile is actually a pretty damn decent card for the money, don't knock it.

It's WORD clock, not world clock, if there is a world clock, then I want to know what it is too I think we may have to ask the Mayans about that one..

Word clock keeps digital devices in sync, by means of a master and slave relationship. You don't need to worry about it unless you have gear that is using digital connections.
If you have your 2496 say, and one other piece of digital gear, like a stereo effects box that connects via s/pdif, then you decide which is going to be the master clock, and which is the slave, make the appropriate settings in each device and they will then pass digital audio back and forth in perfect sync.
Without that sync, you will get some serious nasty white noise at worse, or really ****ing annoying clicks and snaps at best.

You can sync more than 2 devices from one master device if it has the necessary amount and type of digital outs to connect everything, but usually people buy a dedicated word clock whose sole function is to send the clock signal to all the digital devices in the system and keep them playing nicely together.
Old 10th December 2008
  #6
Guitar/Vox of Skyway Ave.
 
MikeTSH's Avatar
 

Thread Starter
edited - word clock. you only needed to correct once lol
Old 9th February 2011
  #7
Gear interested
 
therealtaxman's Avatar
 

ohh yeah

YES IT´S TRUE THE 2496 IS A NICE CARD FOR THE PRICE!, I´m using it with Cubase 5 and it goes perfect. saludos desde ecuador!

Quote:
Originally Posted by FeatheredSerpent View Post
LOL! Hey, the audiophile is actually a pretty damn decent card for the money, don't knock it.

It's WORD clock, not world clock, if there is a world clock, then I want to know what it is too I think we may have to ask the Mayans about that one..

Word clock keeps digital devices in sync, by means of a master and slave relationship. You don't need to worry about it unless you have gear that is using digital connections.
If you have your 2496 say, and one other piece of digital gear, like a stereo effects box that connects via s/pdif, then you decide which is going to be the master clock, and which is the slave, make the appropriate settings in each device and they will then pass digital audio back and forth in perfect sync.
Without that sync, you will get some serious nasty white noise at worse, or really ****ing annoying clicks and snaps at best.

You can sync more than 2 devices from one master device if it has the necessary amount and type of digital outs to connect everything, but usually people buy a dedicated word clock whose sole function is to send the clock signal to all the digital devices in the system and keep them playing nicely together.
Old 9th February 2011
  #8
Not every interface has a word clock I/O, so you might not have one at all!

It's just one way of syncing up digital gear - so if you've only got one interface, you don't generally need to worry about it.

If you have 2 pieces of digital gear, and both have wordclock i/o, then you can use this as a clock source to lock them together - it's generally considered more reliable/less jitter than using the embedded stream in SPDIF or AES signals. Personally I've never heard the difference but there you go.
Old 9th February 2011
  #9
Lives for gear
 

Old 9th May 2015
  #10
Gear interested
 

So if I have an Eleven Rack, and an ART Voice Channel I should have a word clock?
Old 10th May 2015
  #11
Lives for gear
 
kennybro's Avatar
 

In video, it's called house sync or black burst, and it's used to sync multiple devices, not to improve performance.
If you're just using one device, forget it. That would be like a video shooter bringing along a black burst generator to a one-camera shoot.
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