I've made it work with this design in fexpr, but it's only good up to half the block size
2015-12-08 15:21 GMT-02:00 Alexandre Torres Porres <por...@gmail.com>: > As I say in the attached patch; problem is that whenever you change the > number of samples without clearing or clearing the filter, it goes crazy... > > not sure how to fix this. > > cheers > > > 2015-12-08 10:40 GMT-02:00 Christof Ressi <christof.re...@gmx.at>: > >> the filter is working perfectly well for me. send me your testing patch. >> >> >> >> Gesendet: Dienstag, 08. Dezember 2015 um 13:36 Uhr >> Von: "Alexandre Torres Porres" <por...@gmail.com> >> An: "Christof Ressi" <christof.re...@gmx.at> >> Cc: "pd-list@lists.iem.at" <pd-list@lists.iem.at> >> Betreff: Re: Re: Re: [PD] Moving Sum object? >> >> 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 <christof.re...@gmx.at>: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" <por...@gmail.com[por...@gmail.com]> >> An: "Christof Ressi" <christof.re...@gmx.at[christof.re...@gmx.at]> >> Cc: "pd-list@lists.iem.at[pd-list@lists.iem.at]" <pd-list@lists.iem.at[ >> pd-list@lists.iem.at]> >> 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 <christof.re...@gmx.at[ >> christof.re...@gmx.at]>: >> >> 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" <christof.re...@gmx.at[christof.re...@gmx.at][ >> christof.re...@gmx.at[christof.re...@gmx.at]]> >> >> An: "Alexandre Torres Porres" <por...@gmail.com[por...@gmail.com][ >> por...@gmail.com[por...@gmail.com]]> >> Cc: "pd-list@lists.iem.at[pd-list@lists.iem.at][pd-list@lists.iem.at[ >> pd-list@lists.iem.at]]" <pd-list@lists.iem.at[pd-list@lists.iem.at][ >> pd-list@lists.iem.at[pd-list@lists.iem.at]]> >> 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" <por...@gmail.com[por...@gmail.com][ >> por...@gmail.com[por...@gmail.com]]> >> An: "Christof Ressi" <christof.re...@gmx.at[christof.re...@gmx.at][ >> christof.re...@gmx.at[christof.re...@gmx.at]]> >> Cc: "Matt Barber" <brbrof...@gmail.com[brbrof...@gmail.com][ >> brbrof...@gmail.com[brbrof...@gmail.com]]>, "pd-list@lists.iem.at[ >> pd-list@lists.iem.at][pd-list@lists.iem.at[pd-list@lists.iem.at]]" < >> pd-list@lists.iem.at[pd-list@lists.iem.at][pd-list@lists.iem.at[ >> pd-list@lists.iem.at]]> >> 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 <christof.re...@gmx.at[ >> christof.re...@gmx.at]>: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" <brbrof...@gmail.com[brbrof...@gmail.com]> >> An: "Alexandre Torres Porres" <por...@gmail.com[por...@gmail.com]> >> Cc: "pd-list@lists.iem.at[pd-list@lists.iem.at]" <pd-list@lists.iem.at[ >> pd-list@lists.iem.at]> >> 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 < >> por...@gmail.com[por...@gmail.com]> wrote: >> >> Talking about averages I wonder if we have an object that sums (in a >> moving average fashion) a series of samples >> >> cheers >> _______________________________________________ >> Pd-list@lists.iem.at[Pd-list@lists.iem.at][Pd-list@lists.iem.at[ >> Pd-list@lists.iem.at]] 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][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]] >> <http://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5D%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5D%5D> >> _______________________________________________ Pd-list@lists.iem.at[ >> Pd-list@lists.iem.at] 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]_______________________________________________[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]_______________________________________________] >> <http://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5D_______________________________________________%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5Bhttp://lists.puredata.info/listinfo/pd-list%5Bhttp://lists.puredata.info/listinfo/pd-list%5D%5D_______________________________________________%5D> >> Pd-list@lists.iem.at[Pd-list@lists.iem.at[Pd-list@lists.iem.at]] 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[http://lists.puredata.info/listinfo/pd-list]] >> > >
mavg-fexpr.pd
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