Did anyone try sqosc~ yet? I'm interested to get feedback on that one. http://pure-data.cvs.sourceforge.net/pure-data/externals/mrpeach/sqosc~/
Martin David Powers wrote: > Hi Roman, I get the following error from your patch, for many of the tables: > error: 1002-square33: number of points (512) not a power of 2 plus three > > Along with this error, it seems to stop playing somewhere above 360 Hz... > > Thanks for your help, I'm sorry to sound grumpy, it's just that in > searching the archives mostly all I found was my old query for a year > ago. Plus everyone says to use [blosc~] but I posted in my first post, > that [blosc~] is broken, and I believe that it's known, ie here is > says: > http://blog.soundsorange.net/index.php/archives/2006/09/28/exploring-pd-extended/ > "exploring pd extended > 27/9/2006 > CPU load rating > blosc~ - intriguing band limited oscillators, but patch is self > referential and not working" > > Again, a reminder that this isn't really for me, but rather, it's the > list members chance to sell other people on PD being useful, or not, > to the outside world. [vst~] is working great so I can demonstrate > subtractive synthesis with VST's within pure data, but that's > suggesting to people that PD isn't really good for traditional > synthesis... So if you think PD is good for synthesis, let me know > about it!!! > > ***Note: I personally don't use PD with Gem for VJing, and to make > weird generative MIDI sequences, mostly... I never really considered > synthesis a strong point for PD, for reasons that should now be > obvious. > > ~David > > On 3/14/07, Roman Haefeli <[EMAIL PROTECTED]> wrote: > >> hello again >> >> i improved guenter's bandlimited square a bit. i noticed that it is >> hardcoded to 48kHz and accidently i was running pd at 48kHz, that's why >> it sounded quite good here. however, how far i can see it, the part, >> that selects the appropriate table, is not working as it should. i >> couldn't completely follow, how it works, but it seems to switch only >> correct from tab1 to tab2. for other tabs it switches at too high >> frequencies, which might introduce a bit aliasing. >> in my version the tables are generated on loadbang, which makes the file >> much smaller and easier to adapt for other waveforms. the tabselector is >> now dependent on the sampling rate, so it should sound well at different >> rates now. in order to provide the full spectrum even in low >> frequencies, i added a raw square generator. below a certain frequency, >> the oscillator switches to the raw square version, so that it should >> sound good at arbitrary low frequencies. the number of tables generated >> on loadbang can be changed. a bigger value lowers the frequency, at >> which the oscillator switches to the raw version and vice versa. >> >> i hope you'll have fun with it. >> >> roman >> >> >> On Wed, 2007-03-14 at 04:46 -0600, David Powers wrote: >> >>> I found those, but are they really band-limited? I'm fairly sure I >>> hear ugly digital artifacts in the saw. The square appears to be >>> broken, unless I made a mistake cutting and pasting those 1500 lines >>> of code into my text editor (kinda hard to tell). >>> >>> It's 5 30 am here and I've not slept yet :-( >>> >>> I can't believe there's STILL no readily available >>> external/abstraction for such a common synthesis task, I just want a >>> "nice sounding" example that will compare with the VST's which I will >>> be hosting from within PD; right now "ASynth" sounds about 100x better >>> than anything made in PD itself ... >>> >>> Oh and I don't see any "J" example PD patches, my PD patches don't go >>> that high. >>> >>> ~David >>> >>> On 3/14/07, Roman Haefeli <[EMAIL PROTECTED]> wrote: >>> >>>> hello david >>>> >>>> i found examples for a bandlimited saw and bandlimited square by g. >>>> geiger in the archives. might this is what you are looking for. >>>> >>>> http://lists.puredata.info/pipermail/pd-list/2006-05/038681.html >>>> >>>> cheers >>>> roman >>>> >>>> On Wed, 2007-03-14 at 03:05 -0600, David Powers wrote: >>>> >>>>> Hello everyone, >>>>> >>>>> I tried google and it was no help, and the server for the list archive >>>>> seems to be down temporarily. >>>>> >>>>> Anyway, I'm giving a free (as in free beer) workshop in Chicago in >>>>> about 16 hours, on the basics of digital synthesis. I have decided to >>>>> use Pure Data to give my presentation, and use mostly non-commercial >>>>> software. >>>>> >>>>> However, I'm still missing the following for demonstrating "proper" >>>>> subtractive synthesis: >>>>> 1. Good, out of the box "analog-sounding" filters. I'm using [moog~] >>>>> right now, but I'm not all that satisfied with the sound compared to >>>>> the filters in my favorite VST's ... >>>>> 2. Band-limited square and sawtooth waveforms. >>>>> >>>>> For teaching purposes PD is great, and ideal for my demonstrations. >>>>> But as it is, I'm having to use VST's within PD in order to >>>>> demonstrate a "nice sounding" synth. It would be nice to show that PD >>>>> can do it without using stuff built in Steinberg's format. That would >>>>> also let the Mac people replicate my work, if they are interested. >>>>> Note, nobody in the workshop has ever tried Linux, except me, so Linux >>>>> plugins are not helpful in this case. >>>>> >>>>> I will post my patches after I give the workshop, though they are >>>>> nothing fancy ... just basic: >>>>> sequencer - oscillator - vca - filter. Good for demoing though, I'm >>>>> starting with additive first, then subtractive. >>>>> >>>>> ~David >>>>> >>>>> _______________________________________________ >>>>> PD-list@iem.at mailing list >>>>> UNSUBSCRIBE and account-management -> >>>>> http://lists.puredata.info/listinfo/pd-list >>>>> >>>> >>>> >>>> >>>> >>>> ___________________________________________________________ >>>> Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! 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