not sure this is working either, I'm getting negative values when testing it with count~ (only positive values)
2015-12-08 10:30 GMT-02:00 Christof Ressi <[email protected]>: > It certainly is and I have no idea how that happened :-D. but it has no > effect whatsoever. just delete the connection. > > > Gesendet: Dienstag, 08. Dezember 2015 um 13:20 Uhr > Von: "Alexandre Torres Porres" <[email protected]> > An: "Christof Ressi" <[email protected]> > Cc: "[email protected]" <[email protected]> > Betreff: Re: Re: [PD] Moving Sum object? > > what was the purpose of the output from the max object into rpole~ in your > patch? that's a bug, right? > > cheers > > 2015-12-08 9:50 GMT-02:00 Christof Ressi <[email protected]>: > > Or are you talking about a object that outputs the sum as a message? In > that case just use [cmavg~] or [maverage~] with [snapshot~]. If you just > want the sum of a signal vector, there are some objects in zexy that will > do the job, like [avg~] or [pack~]+[sum] > > > Gesendet: Dienstag, 08. Dezember 2015 um 12:41 Uhr > Von: "Christof Ressi" <[email protected][[email protected]]> > > An: "Alexandre Torres Porres" <[email protected][[email protected]]> > Cc: "[email protected][[email protected]]" <[email protected][ > [email protected]]> > Betreff: Re: [PD] Moving Sum object? > > Well, a linear moving average filter is just something that sums a series > of samples. If you don't want the average but rather the true sum, either > multiply the output by the number of samples or take my abstraction and get > rid of the [/~] object. > > > Gesendet: Dienstag, 08. Dezember 2015 um 12:21 Uhr > Von: "Alexandre Torres Porres" <[email protected][[email protected]]> > An: "Christof Ressi" <[email protected][[email protected]]> > Cc: "Matt Barber" <[email protected][[email protected]]>, " > [email protected][[email protected]]" <[email protected][ > [email protected]]> > Betreff: Re: Re: [PD] Moving Sum object? > > cool guys, but i was asking for an average "sum" object :) > > 2015-12-08 9:19 GMT-02:00 Christof Ressi <[email protected]>:Hey Matt, > > there's no need for the feedback path (and therefore no [block~ 1] ;-)) > > Just use the following formula: > > y[n] = (y[n-1] - x[n-k])/k > > where k is the number of samples to be averaged (must be at least 1). see > the patch I sent to Alex in my last mail. > it uses [rpole~ 1] for the y[n-1] part and [z~ k] for the x[n-k] part (you > can replace the latter one with a [delwrite~] [delread~] pair to make it > purely vanilla). > > The funny thing about linear moving average filters is, that although it > can be implemented as a recursive filter (like in both our patches), it is > still a FIR filter (and therefore it defeats the notion that recursive > filters are always IIR filters). The impulse response is just a rectangular > pulse and therefore finite. > > > > Gesendet: Dienstag, 08. Dezember 2015 um 07:13 Uhr > Von: "Matt Barber" <[email protected]> > An: "Alexandre Torres Porres" <[email protected]> > Cc: "[email protected]" <[email protected]> > Betreff: Re: [PD] Moving Sum object? > > Something like this? Almost completely untestsed. :D > > On Tue, Dec 8, 2015 at 12:20 AM, Alexandre Torres Porres <[email protected]> > wrote: > > Talking about averages I wonder if we have an object that sums (in a > moving average fashion) a series of samples > > cheers > _______________________________________________ > [email protected][[email protected]] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list][http://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D] > _______________________________________________ [email protected] > mailing list UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list][http://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D]_______________________________________________ > [email protected][[email protected]] mailing list UNSUBSCRIBE and > account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list] >
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
