Auduino software synth

audiuno

Tinker.it has published plans for building a software synthesizer using an Arduino. The Auduino uses granular synthesis to create a truly unique sound. The grain is constructed from two triangle waves. Each one has adjustable frequency, decay rate, and the repetition rate can be changed too. The Arduino just needs five potentiometers attached to the analog inputs and an audio jack on the digital out. You don’t have to use pots; you can use anything that varies the analog input between 0 and 5 volts. A video of the device is embedded after the jump.

[via Matrixsynth]

Comments [13]

tagged: arduino, auduino, matrixsynth, pots, synthesizer, tinker.it

Reader Comments

Oooh! WantwantwantWantWANTWANT!

Posted at 7:00 pm on Nov 17th, 2008 by Jeremy

Awesome. Aside from being really cool and simple, it also serves as a nice intro into “algorithmic synthesis” for people like me. I’m going to have a lot of with this.

Posted at 7:57 pm on Nov 17th, 2008 by amk

get a propellor

Posted at 9:56 pm on Nov 17th, 2008 by tig

@tig; why get a propeller? It’s obviously very stable on the arduino platform, and spin isn’t very easy to learn.

Posted at 2:46 am on Nov 18th, 2008 by scott

The geek in me just got goosebumps… Me wants!

Posted at 4:30 am on Nov 18th, 2008 by rbjacobs

wow… this… is… awesome! I’m totally gonna have to check this out!

Posted at 11:14 am on Nov 18th, 2008 by srilyk

That’s the last straw. I’m getting one of these things.

Gonna try to build one myself first probably. Any recommendations over BatchPCB?

Posted at 11:55 am on Nov 18th, 2008 by draeath

Soon as I saw the post I loaded it on my spare arduino and bam, I gots me some funky sounds!

The fun part about this is if you don’t pull down (or up) your analog inputs with potentiometers, they’ll flutter around based on ambient EM noise. I stuck sewing needles in my analog headers, and while touching the glass of my monitor, I could change the tone of the synth by moving my other hand near the pins! Not quite a theremin, but still pretty darn cool.

If only I had the money for some real parts ;)

And if you have a spare arduino lying around, don’t forget to check out http://blog.makezine.com/archive/arduino/

Posted at 1:07 pm on Nov 18th, 2008 by techninja

@techninja
great tip! I only have one spare potentiometer laying around so I was only making some limited sounds with the auduino and was about to put it away for a while. then i read your post and gave it a whirl. seriously strange sounds. beats the hell out of my crude bit-banging experiments

Posted at 3:47 pm on Nov 18th, 2008 by sol

It took me a little under five minutes to put this together and make some noise. Gosh darn it, I love the Arduino.

Posted at 5:43 pm on Nov 19th, 2008 by Keith

yesssss.. i am working on this as we speak and right away i made some crazy noises!

Posted at 11:08 pm on Nov 21st, 2008 by sam

All we need is someone to get a non-windows solution for driving the ISCP header with the X3 breakout…

Posted at 7:57 am on Nov 24th, 2008 by draeath

Here’s one more Auduino:

Posted at 12:49 pm on Aug 19th, 2009 by Jesse

Auduino software synth

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