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audio latency
lisbon
post Dec 2 2012, 17:42
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hi i've been lurking around and have a question about latency. of usb, pcie, or hdmi avrs, and onboard audio DACs, which is likely to have the least inherent audio latency on a pc? (putting aside pc specs and differences between individual DACs)

This post has been edited by lisbon: Dec 2 2012, 17:43
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Arnold B. Kruege...
post Dec 4 2012, 16:45
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QUOTE (lisbon @ Dec 2 2012, 11:42) *
hi i've been lurking around and have a question about latency. of usb, pcie, or hdmi avrs, and onboard audio DACs, which is likely to have the least inherent audio latency on a pc? (putting aside pc specs and differences between individual DACs)


Why worry about latency? It does make a difference for live sound and overdubbing. Not much else.

Look at it this way, the recording you listen to was made days, months or years ago. What to worry about a few more milliseconds delay while playing it back?
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lisbon
post Dec 4 2012, 21:33
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QUOTE (Arnold B. Krueger @ Dec 4 2012, 15:45) *
QUOTE (lisbon @ Dec 2 2012, 11:42) *
hi i've been lurking around and have a question about latency. of usb, pcie, or hdmi avrs, and onboard audio DACs, which is likely to have the least inherent audio latency on a pc? (putting aside pc specs and differences between individual DACs)


Why worry about latency? It does make a difference for live sound and overdubbing. Not much else.

Look at it this way, the recording you listen to was made days, months or years ago. What to worry about a few more milliseconds delay while playing it back?


i replied to this sentiment. i asked because i thought someone here might know interface differences since pro audio gear tends to measure latency in sub-milliseconds. probably the wrong forum i guess tongue.gif. basically audio gear got me thinking about things like polling/interrupts/dpc/ioctl... terribly random, i know. apologies, i'll try and find a more appropriate forum heh

btw ronalddumsfeld yeah i figured pcie definitely has the bandwidth upper hand. i think my question might not even be related to the latencies pro audio guys talk about... if the latency is about data transfer speeds then that's not really what i was looking for.

thanks everyone for the replies.

This post has been edited by lisbon: Dec 4 2012, 21:35
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phofman
post Dec 5 2012, 15:39
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You will certainly receive a lot of replies on other forums. I am just afraid most will come from the shady world of opinions, feelings, and voodoo, instead of purely technical facts. Once people eventually pull out their tiny DPC latencies, the discussion will be gone from the actual capture/playback latency. Good luck.
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lisbon
post Dec 5 2012, 17:34
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QUOTE (phofman @ Dec 5 2012, 14:39) *
You will certainly receive a lot of replies on other forums. I am just afraid most will come from the shady world of opinions, feelings, and voodoo, instead of purely technical facts. Once people eventually pull out their tiny DPC latencies, the discussion will be gone from the actual capture/playback latency. Good luck.


cheers smile.gif
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