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Audio and Video Talk
Digital
USB to SPDIF interface
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<blockquote data-quote="pwatts" data-source="post: 968733" data-attributes="member: 146"><p>Spot-on. The incoming PCM audio needs to be clocked out and encoded, and this is what will separate the good and the bad. Reclocking this audio with a flip-flop is one method but it still has to rely on a quality master clock for doing so.</p><p>The quality of the line driver and its isolation and impedance matching too, but to a lesser extent.</p><p>Ground loops could or could not be a problem. A 50Hz ground loop seldom does any harm for example. There was a very informative article on Headwize once that very well explained why going non-isolated with USB is the better way (for example because of increased jitter with isolation techniques) if both the design and the entire setup is properly understood.</p></blockquote><p></p>
[QUOTE="pwatts, post: 968733, member: 146"] Spot-on. The incoming PCM audio needs to be clocked out and encoded, and this is what will separate the good and the bad. Reclocking this audio with a flip-flop is one method but it still has to rely on a quality master clock for doing so. The quality of the line driver and its isolation and impedance matching too, but to a lesser extent. Ground loops could or could not be a problem. A 50Hz ground loop seldom does any harm for example. There was a very informative article on Headwize once that very well explained why going non-isolated with USB is the better way (for example because of increased jitter with isolation techniques) if both the design and the entire setup is properly understood. [/QUOTE]
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Audio and Video Talk
Digital
USB to SPDIF interface
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