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Arvo on the beach [disquiet0007-subtract]

all n4tural on February 19, 2012 15:10

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    inspired, via several detours, and filtered through my boundless ineptitude, by Christian Carrière ( Interceiving )'s very cool http://vimeo.com/30074885 ;


    for Disquiet Junto #7 "subtract":
    Plan: The seventh Junto project is a shared-sample project. Everyone will work from the same source audio, which is provided below. You will take the provided sound sample and from it make an original work. You will do this only by subtracting sound from the sample. You won't add anything to it. You won't slow it down. You won't speed it up. You won't cut it up, and you won't otherwise reorganize its contents. You won't play it backwards. You will only "remove." The word "remove" is up for interpretation -- but generally speaking, I'd say that it means various acts of lowering the volume of a narrow or wide band of the audio spectrum for either a short or long period of time. And, of course, "lowering the volume" can mean be interpreted to mean "muting." The act here of "removing" is the sonic equivalent of sculpting something from a marble block.

    Please use the WAV file at the following URL:
    http://www.freesound.org/people/Luftrum/sounds/48412 ;


    i may get an F for this one, though i believe i've followed the spirit, if not the letter.
    What you hear is really 24 copies of the source, each run through a hard bandpass filter that accentuates a different frequency. So each copy is subtracting almost everything from the close-to white noise of the original recording, but i guess it's debatable whether the sum of it all still qualifies as "subtracting". It's most def "sculpting", though :)

    Here's the gist of the http://SuperCollider.sf.net code:


    ~paertness={
    [[72,69,64], [70,64,62], [67,60,70], [65,60,69], [64,60,67],[65,60,69]].do{|triplet|
    triplet.postln;
    triplet.do{|midi|
    var x = midi.midicps.postln;
    var b = [40,45,52].midicps.choose;
    15.do{|i| 1.do{~filtChPlays.choose.synth.set('filter', (exprand(x-(x/64),x+(x/64))).postln)};
    ~filtChPlays.choose.synth.set('filter', (exprand(b-(b/64),b+(b/64))).postln);
    0.4.wait;};
    };

    };
    }.fork;

    companion piece: sistres by tengototen;

    __________________________________________________________________________
    pic: http://www.flickr.com/photos/elinterno/4980615978/in/photostream/

    "Arvo on the beach [disquiet0007-subtract]" by all n4tural is licensed under a Creative Commons License

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