I'm not sure, I haven't looked at that code in a while. .hc
On Apr 9, 2012, at 7:23 PM, Samuel Burt wrote: > and seeing biquad coefficients > MIME-Version: 1.0 > Content-Type: text/plain; charset="utf-8" > Content-Transfer-Encoding: 7bit > > Do ggee's objects recognize the sampling rate? They didn't appear to > for me. When I changed the SR and used the same frequency value, I > heard a change in the center frequency of the filter. > > Sam > From: Hans-Christoph Steiner > Sent: 4/9/2012 5:59 PM > To: Samuel Burt > Cc: Pd List > Subject: Re: [PD] [PD-announce] new GUI obect: filterview, for > generating and seeing biquad coefficients > > It understands the global sample rate, but not yet the sample rate set > with [block~]. > > .hc > > On Apr 9, 2012, at 3:28 PM, Samuel Burt wrote: > >> I've just taught myself about biquad~ and understand enough to know that a >> change in sampling rate will change the calculation of the center frequency. >> I was hoping the second outlet would output this information. Will it change >> based on the sampling rate or will it always be calculated for 44.1K? >> >> Sam >> >> >> On Apr 9, 2012, at 3:20 , Hans-Christoph Steiner wrote: >> >>> >>> The second outlet will eventually output the current filter bandwith, >>> center, and gain, but right now it does nothing. >>> >>> .hc >>> >>> On Apr 9, 2012, at 2:39 PM, Samuel Burt wrote: >>> >>>> Hans, >>>> >>>> Great to know. It works wonderfully with the beta of 0.43-extended here. >>>> >>>> What is the second outlet of filterview? >>>> >>>> I really appreciate the safeguards to prevent the filter from becoming >>>> unstable. >>>> >>>> Sam >>>> >>>> >>>> On Apr 9, 2012, at 11:13 , Hans-Christoph Steiner wrote: >>>> >>>>> >>>>> The last bit is the key bit of information: filterview will only work on >>>>> 0.43, not 0.42.5. It relies on some of the new features of 0.43. >>>>> >>>>> .hc >>>>> >>>>> On Apr 9, 2012, at 9:57 AM, Samuel Burt wrote: >>>>> >>>>>> Here are the steps I took: >>>>>> >>>>>> 1) I opened the help patch in the directory with the .pd_darwin binary >>>>>> file. >>>>>> >>>>>> 2) I turned on audio. >>>>>> >>>>>> 3) I selected a high pass filter. >>>>>> >>>>>> 4) I wondered if changing the bandwidth would do anything, so I moved my >>>>>> cursor over one of the red lines that show bandwidth. The line became >>>>>> highlighted but I could not move it from its position. >>>>>> >>>>>> 5) I selected a band pass filter. >>>>>> >>>>>> 6) I attempted to move the bandwidth, again, to no avail. >>>>>> >>>>>> 7) I single-clicked (no hold) in the area between the bandwidth markers >>>>>> and began changing the frequency of the band pass filter. >>>>>> >>>>>> 8) The filter continued following my pointer as long as it was inside >>>>>> the borders of the GUI. >>>>>> >>>>>> 9) If I moved my pointer out of the GUI and pressed command-E, the >>>>>> frequency would stop moving. >>>>>> >>>>>> 10) Pressing command-E, again, would resume following my pointer without >>>>>> my clicking anywhere. >>>>>> >>>>>> 11) Then, Pd failed with a spinning beach ball. A force quit was >>>>>> necessary. >>>>>> >>>>>> 12) In the meantime, when I clicked on the patch's titlebar, it showed >>>>>> one of the cursor symbols for changing the bandwidth. >>>>>> >>>>>> Let me know if I can help test it more. >>>>>> >>>>>> I suppose I left out one bit of information. I am running Pd-extended >>>>>> 0.42.5-extended. >>>>>> >>>>>> Sam >>>>>> >>>>>> >>>>>> >>>>>> On Apr 8, 2012, at 6:35 , Hans-Christoph Steiner wrote: >>>>>> >>>>>>> >>>>>>> Hmm, I thought I got rid of that issue with it sticking to the mouse >>>>>>> pointer... arg. Can you tell me the steps to reproduce it? >>>>>>> >>>>>>> I should add more to the help patch. The goal was to make it as >>>>>>> self-explanatory as possible. So you can click and move the filter >>>>>>> center and gain, and click and drag on the vertical bandwidth lines to >>>>>>> control the bandwidth. >>>>>>> >>>>>>> .hc >>>>>>> >>>>>>> On Apr 8, 2012, at 4:33 PM, Samuel Burt wrote: >>>>>>> >>>>>>>> Hans, >>>>>>>> >>>>>>>> This is so exciting. The binary is working here on a MacIntosh 2.8 GHz >>>>>>>> Intel Core 2 Duo with OS 10.6.8. I thought you might appreciate some >>>>>>>> quick user feedback. >>>>>>>> >>>>>>>> When I click the graphic, it lets me adjust frequency and amplitude, >>>>>>>> but then my cursor gets stuck to it like mouse up isn't working. Every >>>>>>>> time I click it adds another red vertical line. >>>>>>>> >>>>>>>> A slight bit more documentation would be helpful in the help patch, >>>>>>>> too, explaining how one can interact with the graph with the mouse. Is >>>>>>>> it possible to change the bandwidth with the GUI? is there a key >>>>>>>> combination one can hold? >>>>>>>> >>>>>>>> Sam >>>>>>>> >>>>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> ---------------------------------------------------------------------------- >>>>> >>>>> The arc of history bends towards justice. - Dr. Martin Luther King, >>>>> Jr. >>>>> >>>>> >>>> >>> >>> >>> >>> >>> >>> ---------------------------------------------------------------------------- >>> >>> "[T]he greatest purveyor of violence in the world today [is] my own >>> government." - Martin Luther King, Jr. >>> >>> >>> >> > > > > ---------------------------------------------------------------------------- > > News is what people want to keep hidden and everything else is > publicity. - Bill Moyers ---------------------------------------------------------------------------- "[T]he greatest purveyor of violence in the world today [is] my own government." - Martin Luther King, Jr. _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
