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Audio and Video Talk
Digital
Subtle difference between digital source and USB cable
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<blockquote data-quote="user 997" data-source="post: 1094001" data-attributes="member: 997"><p>If the cable difference is not as apparent on other sources, it might also be the Dell XPS that could be highlighting it. The XPS 15 is quite famed for having significant DPC latency issues which makes it unsuitable for digital recording and real-time playback. Dell has been taking quite their time to improve their latest hardware to address this. This should be more apparent as pops and skips though, but having a laptop with known issues as the source for critical listening throws the results a bit into question. It could be anything causing this, but construction and less ideal USB optimisations on the DAC can also have an impact if not galvanically isolated.</p><p></p><p>See review here for DPC measurements: </p><p><a href="https://www.notebookcheck.net/Dell-XPS-15-9500-Core-i7-GeForce-GTX-1650-Ti-Laptop-Review-No-Core-i9-Nonsense.468199.0.html#toc-6" target="_blank">https://www.notebookcheck.net/Dell-XPS-15-9500-Core-i7-GeForce-GTX-1650-Ti-Laptop-Review-No-Core-i9-Nonsense.468199.0.html#toc-6</a></p><p></p><p>It would probably be a good idea for the CPT Hi-Fi club to think about a dedicated streamer or having some sort of dedicated transport to avoid skewing the listening results through consumer laptops which are prone to issues such as the above.</p></blockquote><p></p>
[QUOTE="user 997, post: 1094001, member: 997"] If the cable difference is not as apparent on other sources, it might also be the Dell XPS that could be highlighting it. The XPS 15 is quite famed for having significant DPC latency issues which makes it unsuitable for digital recording and real-time playback. Dell has been taking quite their time to improve their latest hardware to address this. This should be more apparent as pops and skips though, but having a laptop with known issues as the source for critical listening throws the results a bit into question. It could be anything causing this, but construction and less ideal USB optimisations on the DAC can also have an impact if not galvanically isolated. See review here for DPC measurements: [url=https://www.notebookcheck.net/Dell-XPS-15-9500-Core-i7-GeForce-GTX-1650-Ti-Laptop-Review-No-Core-i9-Nonsense.468199.0.html#toc-6]https://www.notebookcheck.net/Dell-XPS-15-9500-Core-i7-GeForce-GTX-1650-Ti-Laptop-Review-No-Core-i9-Nonsense.468199.0.html#toc-6[/url] It would probably be a good idea for the CPT Hi-Fi club to think about a dedicated streamer or having some sort of dedicated transport to avoid skewing the listening results through consumer laptops which are prone to issues such as the above. [/QUOTE]
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Audio and Video Talk
Digital
Subtle difference between digital source and USB cable
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