[PD] Max Smoother Audio than Pd?

[Derek Holzer]

On 3/28/10 2:05 PM, Matteo Sisti Sette wrote:

> [phasor~] is not the right object to use as a sawtooth oscillator?? In
> the latter case, what should you use instead??

Because it has DC offset...the signal is only in the positive domain. If 
you don't care about aliasing, you can do this:

[*~ 2]
|
[-~ 1]

http://en.flossmanuals.net/PureData/DCOffset

> (ohhh, I see maybe: it is because of aliasing isn't it? indeed I always
> wondered: how do you simulate a sawtooth oscillator and avoid aliasing
> [without a huge oversampling and filtering]?)

Generate bandlimited waveforms. Works for lower frequencies, however 
higher frequencies will still alias...

http://en.flossmanuals.net/PureData/GeneratingWaveforms

Best,
Derek

-- 
::: derek holzer ::: http://macumbista.net :::
---Oblique Strategy # 87:
"Imagine the music as a moving chain or caterpillar"