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Audio Alchemy DDE v1.1 schematic
Audio Alchemy DDE v1.1 schematic
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Old 10th May 2011, 10:55 PM   #11
Andrew Eckhardt is offline Andrew Eckhardt  United States
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Well, its not as if asynchronous reclocking Doesn't re-clock.

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Old 11th May 2011, 12:49 AM   #12
SoNic_real_one is offline SoNic_real_one  United States
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Throwing away samples and repeating others periodically is not what I call "reclocking". In my opinion is just garbage. Is making the jitter permanent (embedded) in the data.
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Old 11th May 2011, 08:35 AM   #13
aparatusonitus is offline aparatusonitus  Croatia
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See the general idea off concept in the attach files...
Attached Images
File Type: png CS4303 EVB Block Diagram.png (18.9 KB, 149 views)
File Type: png CS4303 Clock Jitter Attenuator-PLL schematic.png (13.3 KB, 143 views)
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Old 11th May 2011, 05:46 PM   #14
SoNic_real_one is offline SoNic_real_one  United States
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You "de-jitter" only clock. But the data has the same jitter. Jitter comes from the mechanical process of reading of the optical disc, not from the clock itself.

Replacing the jittery but syncron clock with another one "clean" but with different instantaneous frequency from the data (even if long-term would be the same frequency), would make data samples to be skipped or repeated periodically.
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