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Old 5th October 2012, 07:11 AM   #21
orangeart is offline orangeart  United Kingdom
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Hi Russ, i didn't mean synchronous clocking was intrinsically more audiophile but many folk are turning to a usb solution for thier 'audiophile' audio path. I giess this is one of the main reasins for providing easy access to a synchronous clock connection on this new board. My point was really that lots of users also have a dvd player, dab radio, etc that they may still need to plug in without the ability to transport a clock signal. I'd say it was way beyond most of us to make our own multiplexed clock switch! I guess what i'm saying is that i'd love to be able to simply experent with synchronous clocking with this new board, but not at the expense of loosing functionality:-) buffalo se2 maybe?

Stefan
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Old 5th October 2012, 11:43 AM   #22
Russ White is offline Russ White  United States
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Roender - My experience is not the same - but that's not important. I agree both sound excellent, but the word "better" is purely subjective. You can say you think it sounds "better" and that's fine. I don't hold the same opinion, but I don't expect you to share mine either. Do what you like. That's where the fun is anyway.
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Old 5th October 2012, 11:49 AM   #23
Russ White is offline Russ White  United States
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Orangeart, you have missed the point. You can already do what you want to do with the Buf III SE. But I tried to explain it is not very practical.

You are just going to need to provide the way to switch out the clocks. Thats part of the fun of DIY.

Perhaps I could create a cool little clock distribution daughter board.

As I said there are system (beyond just inputs into the DAC) changes you need to make to do it right. That part is up to you.

Right now you can switch in as many clocks as you like - 2, 3, 4, 10 It makes no difference. If one of them is Assynch - thats fine too!
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Last edited by Russ White; 5th October 2012 at 12:16 PM.
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Old 5th October 2012, 12:05 PM   #24
roender is offline roender  Romania
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Quote:
Originally Posted by Russ White View Post
Roender - My experience is not the same - but that's not important. I agree both sound excellent, but the word "better" is purely subjective. You can say you think it sounds "better" and that's fine. I don't hold the same opinion, but I don't expect you to share mine either. Do what you like. That's where the fun is anyway.
Well, at least it will not lose lock, for high resolution sources, in async node if DPLL bandwidth is set to low or lowest
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Old 5th October 2012, 12:19 PM   #25
Russ White is offline Russ White  United States
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I should clarify. What I mean is I don't have a clear favorite. But yes, synchronous lock will be solid for sure.
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Old 5th October 2012, 12:22 PM   #26
roender is offline roender  Romania
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Quote:
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But yes, synchronous lock will be solid for sure.
This is not my experience for sources over 24bit 88.2Khz. I have tried this only with I2S input and two different transports: SDtrans and a DVD player.
This is strictly related with DPLL bandwidth set to low or lowest in sync mode and with stock BIII clock oscillator

Last edited by roender; 5th October 2012 at 12:28 PM.
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Old 5th October 2012, 01:18 PM   #27
Russ White is offline Russ White  United States
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Synchronous?
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Old 5th October 2012, 01:20 PM   #28
roender is offline roender  Romania
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Yes, synchronous.
Asynchronous there is no problem. Lock is rock solid and stable for all output modes supported by SDtrans
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Old 5th October 2012, 02:33 PM   #29
Russ White is offline Russ White  United States
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Wow that's very strange. I have always had the opposite experience. But this could come down to the source and the locality of clock.
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Old 5th October 2012, 02:40 PM   #30
roender is offline roender  Romania
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Sorry Russ, my mistake.
There is no problem with DAC locking on source signal in sync mode, not async
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