[PD] hammerfall and low latency
geiger at xdv.org
Wed Jan 29 20:29:15 CET 2003
On Tue, 28 Jan 2003, smoerk wrote:
> with -blocksize 64 i get even bigger latency. -blocksize 4 gives latency
> around 4ms, without dropouts (in realtime mode). i know that the
> smallest blocksize for the hammerfall is 64, i don't know why it does
> work with -blocksize 4.
> there is a letency.pd path in doc/7.stuff/tools, which measures latency.
Ok, taking into account the bug that Johannes reported this is the
lowest latency you might be able to get.
Note that people normally only report theoretical latency. You might be
able to reduce it by setting the samplerate to 48kHz.
> >On Tue, 28 Jan 2003, smoerk wrote:
> >>i just installed a hammerfall 9652 with oss driver and it works with
> >>-inchannels 8 -outchannels 8.
> >>latency.pd measures 22.6ms latency. how could i get lower latency (<4ms)?
> >How did you measure latency ?
> >Normally it is adjustable with the -blocksize flag.
> >With realtime mode you should be able to run it with -blocksize 64,
> >which is the lowest latency you can get with the card.
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