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CPU Overhead compared to USB



One developer who has worked with audio streaming on USB and FireWire reported that USB needed much more CPU attention compared to FireWIre.

Can anyone comment on the truthfulness or falsehood of that statement?

We anticipate that we may be sending both isochronous and asynchronous data in both directions on the bus, streaming multiple, high frequency audio channels, while at the same time, running CPU intensive software on the host. Would we be better off with FireWire compared to USB? Would it make a big difference?

Thank you for your insight!

Thane Heninger
Harman Music Group
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