Here's something simple I think Aymeric showed me once: sudo cat /dev/mem > /dev/dsp
this should be writing raw data from the ram (?) directly to the audio device. I played around with generating pitch by filling a file with various patterns of 0's and 1's and then cat file > /dev/dsp . It follows what you'd expect. 010101010101 generated a pitch an octave above 0011001100110011. /dev/mem sounds pretty great right now. /dev/urandom generates noise, though I'm not sure what kind. Anyone have an idea about it? Regular files are a specific length and will be the same every time, as long as they aren't modified. Listening to a pdf right now that has some nice spots. Is this what you're talking about? What different ways are there to get this into a signal chain? I'm not familiar with gstreamer. Perhaps there's a way to read a file at an audio rate and use its data to fill a wavetable in Puredata, or something like that. Just some thoughts. No specific solution. -grant On Mon, Aug 22, 2011 at 3:46 PM, KarlHungus <leplasti...@inbox.lv> wrote: > hello, in audacity there is function file-import-raw data and then you can > get yasunao tone "wounded cd" type of sound (noise) > also i stumbled upon this > http://reboot.fm/2011/08/14/substrat-radio-2-data-carvery/ guy ,as i > understand he is using hdd as input device for > http://en.wikipedia.org/wiki/Dd_%28Unix%29 dd > and then routes to gstreamer which converts raw data input into audio > signal... how? > is anyone here ever tried something like that? any tips, suggestions? > clueless so far... > > > -- > View this message in context: > http://puredyne.466513.n3.nabble.com/raw-data-to-audio-tp3276288p3276288.html > Sent from the Puredyne mailing list archive at Nabble.com. > --- > Puredyne@goto10.org > http://identi.ca/group/puredyne > irc://irc.goto10.org/puredyne >
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