[ardour-dev] latency adjustments for external devices

[Reuben Martin]

Mark Knecht wrote:
> Hi,
>    I think this came up the other day. Sorry for covering duplicated
> ground. I remember someone asking about plugin latency but I'm more
> concerned with external hardware delays.
> 
>    If I know the latency going out through a hardware interface,
> through a software reverb  in another PC and then back in through a
> hardware interface is there any way for me to specify that known delay
> to Ardour?

It would be nice if there were a way to manually override the latencies
reported by the jack ports. That way if you are routing through external
dsp hardware, you could append their latencies to the soundcard IO port
latencies.

Is there any such tool currently available?

> 
>    If not then I have to run with low enough Jack latencies to get
> reasonable sound when mixing, but in the end I'll have to record the
> reverb track and still have to nudge it to get the timing right.
> 
>    If some method exists for specifying this latency then I get
> everything right when I'm listening and actually don't have to record
> the reverb.
> 
>    Obviously this wouldn't work when recording but would be nice when mixing.
> 
> Thanks in advance,
> Mark