3 ms·
System clock synchronization is a really hard problem but especially important for things like live video stream encoding where the frame timestamps need to cor
by benwilber0 9y ago
System clock synchronization is a really hard problem but especially important for things like live video stream encoding where the frame timestamps need to correspond to the real wall-clock (within milliseconds) for things like sub-second play-by-play synchronization.
- SomeStupidPoint 9y agoHow accurate does that need to be...? 100ms? 10ms? 1ms? 100us?
- benwilber0 9y agoIt varies by sport and how accurate you need your timers to be. NBA needs a timer within "seconds" -- Formula 1 and NASCAR need timers within milliseconds.
- Daviey 9y agoFinance centric: Finra (Financial Industry Regulatory Authority) requires <50ms MiFID II (EU centric) HFT requirement can be as low as 100 microseconds accuracy, or 0.1ms.