• jestern

    Hi guys, I have a max external that I need to port to pd to put it on raspberry pi. I don't have the time to do it myself. Anybody can help me? I have a little budget for it. I attach the code.vb.fourses~.c

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  • jestern

    tab_cross_test3tmp.pd

    Hi there I'm trying to calculate the delay between two channels using cross-correlation. so I created a test signal with delay between LEFT and RIGHT. I have few problems: 1st - the cpu load is quite high, maybe some operations can be performed in a lighter way? 2nd - the right channel doesn't quite update, and I can't figure out the issue.

    I'm a noobie and I'd be very grateful for suggestions especially If you have a better way to obtain similar results...

    PS you need the tabletool external to use my patch.. maybe that's slowing down my calculations..

    posted in technical issues read more
  • jestern

    Hi there, I'm trying to detect onset time differences across audio channels, at the level of samples.
    I made a patch to test my code first with a synthetic signal (periodic noise burst). I delay the signal in channel right and I expect to detect the same interval after onset detection and onset difference across channels. But The final value oscillates a lot. Am I doing something wrong or is there something I should know? I'm new to PD .... thnx

    file here: http://we.tl/gWvTwB5XJu

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  • jestern

    maybe I'm completely retarded but I can't find them in the mac osx installation i have. but I've got windows machine so i will try installing pd-extended and look for it.

    posted in extra~ read more
  • jestern

    Hi nice patch, good inspiration!!!

    posted in technical issues read more
  • jestern

    Hi there I need to count samples between onset difference of two microphones measuring the same event (like a percussion fast attack). I need to be measuring few samples very often. Was thinking of measuring sample difference between two bangs. [Timer] bottom limit is one ms which is too high. And [count~] resets itself with a second bang and snapshot gives me weird results. I'm not a pd expert and I can't figure this out. Must be easy. Any help?

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  • jestern

    Sorry xbarbie, one noobie question.. I'm on Mac is there a binary of those externals for mac, seems like i have to compile them.. am I wrong?

    posted in extra~ read more
  • jestern

    Thanx a lot I'll check that, I started already doing my own fft version anyway which works. Only question is the across block estimation.. but I'll compare what they have at iem! Cheers

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  • jestern

    Hi there, I'm new to PD but quite used to Max and SC. I'm making a patch for cross correlation and need to find the sample position of the max of a block of a signal, So for example if the blocksize is 512 and the attack is at the end of the block the max will be close to 512. Anybody can help?

    posted in technical issues read more

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