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Post by Johnkenn on Apr 30, 2014 9:58:24 GMT -6
I do know this - I have had multiple symphonies and have had problems with clicks and pops via SPDIF on all of them. I think RicFoxx has said the same...I also didn't have problems with the pops on other interfaces.
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Post by Bob Olhsson on Apr 30, 2014 10:01:03 GMT -6
Doesn't say much good about their engineering!
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Post by svart on Apr 30, 2014 11:40:37 GMT -6
Clock extraction is no easy feat, although most audio devices do it fine. The theory seems super straight forward, but the application is anything but. I've had to do it for 2.5GHz SDH jitter testing device, which is way above the specs for anything audio though. At any point of the cycle, you can introduce your own jitter/wander and if your retiming clock wanders too far, you'll come unlocked as the cycle slips and you'll hear pops/clicks, or get bit errors if you are looking at data.
It probably says something about the retiming loops in the device. Either their reference clock jitter/wander is very high, or they have some kind of noise ingress. In either case, it sounds like a design issue if other devices don't have issues with your same source.
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Post by RicFoxx on Apr 30, 2014 12:57:53 GMT -6
I do know this - I have had multiple symphonies and have had problems with clicks and pops via SPDIF on all of them. I think RicFoxx has said the same...I also didn't have problems with the pops on other interfaces. Yep, couldn't iron it out with the symphony...random pops and crackles. Non with the Avid Omni and Burl or the Apollo when I had it.
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Post by Bob Olhsson on May 1, 2014 8:20:55 GMT -6
I have a bunch of XLR to BNC transformers that also act as ground lifters. They have cleared up all manner of problems over the past twenty years. So much so that I take them for granted and forget a lot of people don't know about them. Still it's a Band-Aid on engineering malpractice.
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Post by Johnkenn on May 1, 2014 8:35:52 GMT -6
Got the Thunderbridge...clocking the Symphony with the Burl...and it's solid as a rock. Connecting via an AES cable.
BTW - I SWEAR the stereo image is wider on the DA with the Burl clock. Maybe Ethan is right and it's all marketing...maybe I'm making it up. But I think it sounds better...and if Daddy is happy, then everybody's happy.
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Post by Bob Olhsson on May 1, 2014 10:08:07 GMT -6
It may well be wider.
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Post by Deleted on May 4, 2014 9:58:32 GMT -6
Wouldn't that just mean that the Mid signal, (imagine the stereo field was represented by a m/s signal)was turned down a bit?
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Post by Johnkenn on May 4, 2014 10:22:25 GMT -6
Maybe so...
I know I'm in the minority, but I'm not SO sure the Burl is indispensable to me yet. I'm gonna live with it for a while and I'm really gonna get a chance to dig into it in the next few weeks.
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Post by svart on May 4, 2014 10:51:21 GMT -6
Got the Thunderbridge...clocking the Symphony with the Burl...and it's solid as a rock. Connecting via an AES cable. BTW - I SWEAR the stereo image is wider on the DA with the Burl clock. Maybe Ethan is right and it's all marketing...maybe I'm making it up. But I think it sounds better...and if Daddy is happy, then everybody's happy. That's why I said folks should always clock with the A/D converter as the master if they have that option. Usually they have the best clocks of all the outboard devices, and it's always best to have the lowest jitter for the A/D. If you can't sample with a stable clock, then nothing else will matter down the chain since you've already horked up the signal. The lowest jitter clock might not be the lowest jitter once you go through cables, however, so even if you had a super external clocking source, by the time you run through the cables, it's worse than the internal sources.
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Post by Deleted on May 4, 2014 14:33:11 GMT -6
Well, let us know how you get along after you sell the burl again and buy it a 3rd time @johnkenn lolol
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Post by Johnkenn on May 4, 2014 16:16:57 GMT -6
Well, let us know how you get along after you sell the burl again and buy it a 3rd time @johnkenn lolol Smartass
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Post by popmann on May 4, 2014 16:39:56 GMT -6
I'm going to repeat something from my experience with it....and not get wordy.
If you're using analog "color" plug ins--tape sims/console channel IO emulation/EQs, you won't appreciate the difference. Use the built in EQ/compressor in your DAW. It will be night and day, IME.
That's why I bought it. That was my goal, right? To rely less and less on the digital systems, which are being created for new market engineers. Use a typical vocal compressor I would use on client work--the IK Farichild--there's a difference in the two converters...but, it's not any kind of "better/worse"--the fact is those emulations smear so much virtual caseline on the lens so to speak that you don't hear the difference.
The other thing that sets it apart is when you record loudly....the fact that it's INTENTIONALLY non linear in it's response--since you know my feelings that they're ALL non linear....it's just that this one is intentionally non linear--IE, if something is a little shrill, you can simply drive it harder into the AD...and if frowny faces it some. This is particularly helpful with electric guitars. I would make an assumption drum overheads, too...wherever tape was artistically "better".
I am now confident I can get what I just got from say Auria on the iPad....or for example, those mixes didn't come CLOSE to maxing my 7+ year old PC. A typical client 44.1 mix pushes it to it's knees. And to the end that you buy tools to achieve a specific goal--that's why I bought this one. I functionally needed a 2ch ADC...so, this one offered me the ability to work being less picky about the digital plug in side. You're in a different situation having just invested how much in colorful UAD plug ins? And not functionally needing a 2ch ADC...
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Post by RicFoxx on May 4, 2014 17:08:10 GMT -6
I'm going to repeat something from my experience with it....and not get wordy. If you're using analog "color" plug ins--tape sims/console channel IO emulation/EQs, you won't appreciate the difference. Use the built in EQ/compressor in your DAW. It will be night and day, IME. That's why I bought it. That was my goal, right? To rely less and less on the digital systems, which are being created for new market engineers. Use a typical vocal compressor I would use on client work--the IK Farichild--there's a difference in the two converters...but, it's not any kind of "better/worse"--the fact is those emulations smear so much virtual caseline on the lens so to speak that you don't hear the difference. The other thing that sets it apart is when you record loudly....the fact that it's INTENTIONALLY non linear in it's response--since you know my feelings that they're ALL non linear....it's just that this one is intentionally non linear--IE, if something is a little shrill, you can simply drive it harder into the AD...and if frowny faces it some. This is particularly helpful with electric guitars. I would make an assumption drum overheads, too...wherever tape was artistically "better". I am now confident I can get what I just got from say Auria on the iPad....or for example, those mixes didn't come CLOSE to maxing my 7+ year old PC. A typical client 44.1 mix pushes it to it's knees. And to the end that you buy tools to achieve a specific goal--that's why I bought this one. I functionally needed a 2ch ADC...so, this one offered me the ability to work being less picky about the digital plug in side. You're in a different situation having just invested how much in colorful UAD plug ins? And not functionally needing a 2ch ADC... This is true for me also. Everything just fits and Im not loading up plugins on everything to get things to sit. Electric Guitars pushed through the burl sounds incredible and overheads pushed with the VP28 hard into the burl sound fat and punchy. Don't run vocals hot through it but still get a very clear warm sound. John, Have you pushed a mix into it pretty hot??
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Post by Johnkenn on May 4, 2014 17:11:39 GMT -6
No - that's why I said I'm going to live with it a while...I've just been tracking with it so far and that's only with acoustic instruments and vox...so, you know, not really pushing anything there.
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Post by RicFoxx on May 4, 2014 17:16:06 GMT -6
Yeah, whatever you do, don't commit and marry it...you'll just resent it and dream of getting rid of it and finding a younger version!
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Post by Johnkenn on May 4, 2014 19:32:40 GMT -6
Only my wife and the big JC get that kind of commitment...
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