LeonvB
100+ Head-Fier
- Joined
- Apr 5, 2006
- Posts
- 321
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- 10
You don't need an external clock on a bus. It's not the source of sound like a DAC, it's a means to transport it. As todays busses are buffered you just need to make sure the next package has arrived before the last one is finished. Easy enough with a small stream like audio.