[LAU] Estimating JACK latency

S. Massy lists at wolfdream.ca
Thu May 3 16:54:26 UTC 2012


On Thu, May 03, 2012 at 10:15:18AM +0000, Fons Adriaensen wrote:
> Suppose you configure for 2 periods. The the following happens:
> 
> Capture           A   B   C   D   E   F
> Processing        -   A   B   C   D   E 
> Playback          -   -   A   B   C   D   
> 
> For 3 periods, this becomes:
> 
> Capture           A   B   C   D   E   F
> Processing        -   A   B   C   D   E 
> Playback          -   -   -   A   B   C   
> 
> And for 4 periods:
> 
> Capture           A   B   C   D   E   F
> Processing        -   A   B   C   D   E 
> Playback          -   -   -   -   A   B   
> 
> The advantage of having more that 2 periods is that processing
> can be late without ill consequences, e.g. for 3 periods
> 
> Capture           A   B   C   D   E   F
> Processing        -   -   A   B   C   D 
> Playback          -   -   -   A   B   C   
Thanks, Fons.. This simple diagram finally pounded the order of things
into my head, I hope.

Cheers,
S.M.


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