[chuck-users] Lisa behaving strangely?

dan trueman dtrueman at Princeton.EDU
Wed Aug 15 15:16:09 EDT 2007

jah, i understand your points. like i said, i'll take a look at the  
source and i may be able to fix some/all of these easily, but it  
could also get ugly and take a while....

thanks for the useful comments!


On Aug 15, 2007, at 3:02 PM, Kassen wrote:

> On 8/15/07, dan trueman <dtrueman at princeton.edu> wrote:
> hi, i just noticed this part of your email. i actually don't regard  
> this as a bug, though i may be able to be convinced otherwise. a  
> very slight modification to your code works fine:
> Yes, I noticed that it does work with a slight modification, I am  
> using exactly this right now.
> Either way; you made LiSa so if you say this is not a bug then  
> clearly it isn't. I can just say why I was so surpised by it; I was  
> manipulating some sequenced beats and needed a versatile sampler to  
> remix and restructure those while improvising. I'm using a set of  
> LiSa's and those are repeating quanitised fragments, reversing  
> single hits and so on in various forms. For reversals I went about  
> in the most straightforward way (as I saw it); setting the start  
> point to the end of the buffer (which itself was quantised, back  
> then, for saftety I now increased the maximum size and made the  
> loop-point exlplicid) and setting the rate to -1. Perhaps all of  
> this is naive but to me, unaware of the whole reasoning behind and  
> internal structure of LiSa these seemed like reasonable asumptions.  
> Then nothing happened and I had to eliminate possible causes.
> I'm entirely open to the perspective that this is not a bug but in  
> that case I would say that it's still behaviour that seems counter- 
> intuitive to me and that -so far- I can't see the purpose of this  
> behaviour. If this is how LiSa should act then based on my surprise  
> at this I'd say it would be good to put a note about this in a  
> future entry in the manual section on LiSa.
> As I wrote before; I'm also a surprised at LiSa not playing back  
> any sound when the start point of a reversed (and perhaps a forward  
> as well?) playing voice is also the loop-end point while looping is  
> switched off. This forces the programer to take the loop-point into  
> account and place the loop-end point out of harm's way before  
> starting non-looped playback. In a situation where quantised time  
> periods are used it's not unlikely that start-points and loop- 
> points will tend to end up in identical positions in consecutive  
> forms of playback.
> This too can be easily worked around but this too is surprising to  
> me which is why I reported them.
> i can understand that this might seem awkward, and i'll look at the  
> source code to see if there might be a good way to change this that  
> isn't too painful. in any case, you should be able to get  
> consistent behavior with this work around.
> Yes, thanks, it works fine.
> duration read and voiceGain is just about done, and should make it  
> in to the next version, at least!
> Many thanks for your time and efford!
> Yours,
> Kas.
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