[PD] midi syncro
Karl MacMillan
karlmac at peabody.jhu.edu
Wed May 16 00:02:29 CEST 2001
On Tue, 15 May 2001, jfm3 wrote:
> On Sun, 13 May 2001, Miller Puckette wrote:
>
> > [...] I can probably
> > get the timing jitter down to 5msec or so but it'll never be real pro
> > quality until someone figures out how to use kernel-level time tagging on
> > MIDI output...
>
> Does that mean you need tagged messages from the kernel level drivers, or
> that you can get tagged messages but you don't know how to use the tags in
> relation to the rest of Pd?
>
> I know there is MidiShare, which works on all the Pd platorms, and does
> tagging...
>
This comment was related to output not input - I think what Miller is
referring to is using the OSS sequencer to schedule midi events. I guess
the idea is to schedule events in the future with the sequencer - this
would reduce jitter but increase latency. Also, wouldn't event
granularity still be limited by at least DACBLKSIZE (somewhere around
3msec)?
Karl
> (jfm3)
>
>
_____________________________________________________
| Karl W. MacMillan |
| Computer Music Department |
| Peabody Institute of the Johns Hopkins University |
| karlmac at peabody.jhu.edu |
| mambo.peabody.jhu.edu/~karlmac |
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