2010/10/21 IOhannes zmölnig <[email protected]> > On 10/21/2010 03:30 PM, tim vets wrote: > > Hi all, > > I'm a bit confused about the grain rate of [line] > > the help says that 'the default grain rate is 20 ms' > > however, when I connect a [delta] to a [line], it shows zero's, > > while inserting a [speedlim 20] changes that. > > also some other tests in attached patch. > > can someone explain ? > > as matju already stated, [delta] is something, a lot of people > (including me) do not know. > > assuming it is the same as: > | > [t b b] > | | > [timer] > | > > then it "looks" like you get "0", whereas in reality you get: > [20, 0( [*] > > the "20" shows up so incredibly short (and is then overwritten by "0", > that you simply cannot see it. > [print] usually allows you to track such things, as you not only see the > last value, but the entire history. > > [*] why? > when [line] receives a new target, it will immediately send out the > start value, and then (in grain-time ms) the next value until it reaches > the target value. > in your case this translates to: > - you generate the first number ("7") and send [7 20( to [line] > - line will immediately output the current value ("0") and after 20ms it > will output the next value ("7") > - at the "same" time, you generate a new value ("9"), and send this to > [line], which will immediately output the current value ("7"). > > since both the start value and the target value are output at the same > logical time, [timer] caluculates a time-difference of "0", which will > be visible for the next 20ms. > >
the way I understood it, [delta] is the equivalent of: [image: delta.png] I also don't know where I got [delta] from, it doesn't seem to have a help patch associated with it. anyways, replacing [delta] with the above gives the same result. but I'm starting to see why... Tim > gmadr > IOhannes > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
<<delta.png>>
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