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Old 6th July 2012, 03:35 PM   #1161
tsiros is offline tsiros  Greece
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there is no facepalm big enough.
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Old 6th July 2012, 03:47 PM   #1162
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The mastering lab that the experiment took place in was equipped with Benchmark DAC1s, supposedly jitter immune, which IMHO is far from the truth.
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Old 24th July 2012, 02:10 AM   #1163
Bunpei is offline Bunpei  Japan
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2L is providing some Surround 5.1 DXD sources at their web site.
ExaU2I has "Multi-channel" capability.
Has anyone achieved the successful play of the 2L sources using ExaU2I?
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Old 7th August 2012, 01:45 PM   #1164
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You please help me with some advice.
Is an advantage to use SOtM tX -USB with exaU21?The Well-Tempered Computer
No matter the price SOtM tX-USB.

Thank you very much
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Old 7th August 2012, 04:56 PM   #1165
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Originally Posted by vitalica View Post
Is an advantage to use SOtM tX -USB with exaU21?
No first hand experience with SOtM, but judging by the improvement from clean PS or low latency PC, yes, there should be a small improvement.
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Old 7th August 2012, 11:31 PM   #1166
supra is offline supra  Australia
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Originally Posted by analog_sa View Post
No first hand experience with SOtM, but judging by the improvement from clean PS or low latency PC, yes, there should be a small improvement.
I've got the sotm in my highend computer, with exaU2I/Ackodac.
The difference is not great, but it is smoother, powerful sound, bass is tighter,deeper to ears.
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Old 8th August 2012, 03:44 AM   #1167
bibo01 is offline bibo01  Italy
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Originally Posted by exa065 View Post
I am also inpatient to play with Linux driver development. There are just so many hours in a day...
Sorry to insist but I am not sure I fully understand what you imply.
Do you mean that Linux compatibility is very far down the road?
Could you please give us a possible timescale?
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Old 8th August 2012, 04:43 AM   #1168
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Originally Posted by analog_sa View Post
No first hand experience with SOtM, but judging by the improvement from clean PS or low latency PC, yes, there should be a small improvement.
Thank you very much
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Old 8th August 2012, 04:50 AM   #1169
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Quote:
Originally Posted by supra View Post
I've got the sotm in my highend computer, with exaU2I/Ackodac.
The difference is not great, but it is smoother, powerful sound, bass is tighter,deeper to ears.
Thank you very much for your experience.
And now I work with cMP2-ExaU21/Buffalo3 dual mono .
I decided to use myself SOTM
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Old 12th August 2012, 11:44 AM   #1170
Coris is offline Coris  Norway
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Originally Posted by exa065 View Post
...... Since consumer operating systems are not real-time systems, eventually the result of all this is different errors in the timing of the output sound stream. With "simple" words, big errors can cause dropouts, mid-size errors will cause deviations of the sampling rate, and small errors will cause jitter.
.................................................. .................................................. ..
Unfortunately the approach to make the computer to run quiet and smooth doesn't work very well. It is focused on reducing the symptoms, but the root cause remains. The consumer operating systems are not capable of delivering precise timing for audio. The solution is to take the necessary measures outside the computer to re-clock the audio stream and to isolate the computer noise. There are different techniques for doing that. The best that I know of are:
  • Using an asynchronous interface to restore accurate timing (and eliminate computer jitter)
  • Using galvanic isolation to eliminate computer noise
.................................................. .................................................. .

What about improve timer resolution in Windows based systems? I know that specially XP based systems (which are preferred of many peoples as media machine) this resolution is bad. In Win7 this is better but not enough...
Using this small application (Timer resolution) I could improve it on my system to 0.5ms. In my opinion this have a positive impact for streaming processes which are basics in PCs used for audio purposes...
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