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.
what artifacts? can you elaborate that a bit more?
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)
possibly yes. it seems to work here.
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 ...
hey, man. i am really trying to help you. the examples from the link i posted perfectly work here. i wouldn't have posted, if i didn't test them. just to be sure nothing got broken by copying them into a textfile, i attached them. don't know what you expect exactly. they do nothing less than bandlimiting oscillators, but also nothing more. if you still think, they don't work or they sound bad, it would be interesting, if you could post a wavfile recorded from ASynth, or whatever synth you like, so that we pd-people have a chance to compare. maybe it is somehting else, what makes you think, that they sound better.
Oh and I don't see any "J" example PD patches, my PD patches don't go that high.
what version of pd are you using? i can confirm, that these examples are included in millers pd since at least 0.39. and here http://crca.ucsd.edu/~msp/techniques.htm you can find only the audio examples.
don't take me wrong, but possibly it would be the best to take a bunch of sleep and continue your research with a clean fresh mind and you will see, that it is not that a difficult story as it seems to be yet ;-)
i hope i could help a bit now.
cheers roman
~David
On 3/14/07, Roman Haefeli reduzierer@yahoo.de 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:
- 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
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