i think your totally right... too bad.
On Jun 22, 2007, at 6:54 PM, Roman Haefeli wrote: > the problem with timer is, that it only sends an output, when banged. > you could bang it with some insane rate using a [metro 1000] and > according to the measured (real)time, you send a bang or not. > > this approach would *might* work, but it has several disadvantages, if > i > do understand the underlying architecture of pd correctly. first, you > cannot be sure, that each desired time will be triggered. lets assume > you want to schedule the next 'bang' to 43s297ms, but the output of > [timer] maybe is '43 296', '43 296', '43 298'. in that case '43 297' > won't be hit at all. > then i think, that this approach wouldn't be accurate at all, since > there is no logical time involved. the advantage of logical time is, > that it doesn't matter at all, when the [metro] object is processed by > pd, the output of it will be accurate (as long there are no dropouts). > with a purely realtime based solution, you'll never know, when exactly > the object, that does the time measuring, is processed. the time, when > [timer] receives your bang is not exactly defined and can happen > anywhere between now and the amount of your buffersize later. > > correct me, if i am wrong, but as i understand pd, there will be no > accurate realtime based solution. > > roman > > > On Fri, 2007-06-22 at 17:56 +0200, Enrique Erne wrote: >> hi >> >> has anybody built a dropout save metro ... say if pd freezes for a >> while and comes back that the metro would still be in sync with the >> 'outside' world. that would be very nice in a life situation. >> >> some ideas ? do you think it can be done in plain pd? >> >> i failed when i tried to measure the periods between the 'ticks' and >> calculated the new delay time. >> >> i just discovered [time] from zexy which is the system time.... >> ... has anyone yet built a metro with [time] ? :) >> >> eni >> >> >> _______________________________________________ >> PD-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list > > > > ___________________________________________________________ > Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de > _______________________________________________ PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list