[PD] image sonification pointers

[Claude Heiland-Allen]

Shawn Greenlee wrote:
> hey there.  forgive me a bit as I acclimate (long time MaxMSP user 
> working in Pd).
> 
> In Max (Jitter) I've built a lot around jit.peek~
> Often this involves reading a one plane matrix at points specified by 
> two signal inputs.  The matrix is a still image or video.  One input 
> signal species which row, the other input signal specifies which column 
> and out comes an appropriate signal value.

attached patch does this with gridflow (for image stuff) and zexy (for 
tabdump).  quality leaves much to be desired (no anti-aliasing / 
interpolation, and i only tried with 8-bit images...)

> 
> I see that in GEM there are pix_pix2sigs~  and pix_sig2pix~ which on 
> first glance look promising.
> 
> So:
> 
> 1.  Any pointers out there for treating image as sound in Pd, 
> specifically looking at sonification (not visualization or simultaneous 
> audio-visual synthesis)?
> 
> 2.  Any uses of pix_pix2sig~   or pix_sig2pix~ which I should look at 
> beyond the help files?
> 
> 3.  Any strategies for treating each column of an image as an array (i. 
> e. the array contents update based on which column of an image is loaded)?
> 
> 4.  Do I need something else beyond the current Pd-extended (like 
> GridFlow)?
> 
> Thanks! and all best,
> shawn
> 
> 
> 
> ------------------------------------------------------------
> http://shawngreenlee.com
> seg at 02909.com   
> ------------------------------------------------------------   
> 
> 
> 
> 
> 
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