linuxaudio.org

On 07/26/2012 07:00 PM, Florian Paul Schmidt wrote:

quoted text
> On 07/26/2012 06:51 PM, Julien Claassen wrote:

>> Hello everyone! I have just asked myself, if it is a good idea to

>> use an IR of a Leslie for simulating a Leslie. Correct me, if I'm

>> bloody stupid, but working on the basics of convolution, it

>> doesn't look promising. Since you take the IR of the Leslie and

>> then apply the full IR to each sample, meaning, that you might

>> get more of a whirling reverb? Or is there another technique, to

>> apply an IR and cycles. Just one "sample" of the IR to one sample

>> of the input signal. If I am completely wrong, a simple no will

>> suffice. My knowledge of this is basic. I've only got some

>> knowledge from a lecture called "signal theory' to back me up and

>> it should probably be called "an introduction to" or "basics of"

>> at that. :-) Warm regards Julien

>

> Convolution with a constant convolution kernel (constant over

> time) gives you the response of a time-invariant system to the

> input signal. A Leslie is clearly not time-invariant..

>

> Flo

> 

You'll want angular dependent convolution

https://ccrma.stanford.edu/~jos/doppler/dafx02.pdf
CCRMA has more publications on that matter.

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