SkruntSkrunt
It gets louder

Youtube: SkruntSkrunt - DKL DKLG

SkruntSrkunt - DKL DKLG http://skruntskrunt.ca/

Source Code: http://softwareprocess.es/b/dkl.sc (Supercollider) http://supercollider.sourceforge.net/ http://skruntskrunt.ca/a/skruntskrunt-dkl-dklg.flac

I use primarily DynKlank and DynKlang from Supercollider and made 2 guis to control the paramters.

Audacity is used to record the video, I edited in kdenlive. ffmpeg recorded the video. http://audacity.sourceforge.net/ http://ffmpeg.org/ https://projects.kde.org/projects/extragear/multimedia/kdenlive

https://youtube.com/watch?v=V4ugAvjeDm4

Youtube: SkruntSkrunt Livecoding With ChucK at the Pawnshop With Other Synth Maniacs

SkruntSkrunt – Stereo Beatings and Bit Crushing

Borys invited me to his synth-stravaganza so I did a livecoding set using chuck and emacs. This was at the Pawnshop in Edmonton on Whyte Ave 2013-08-22 (I’ll upload videos of the other performers later).

The first part is stereo beating, that is oscillators that are offset by a little bit interacting with each other on the speakers.

The second part is more oscillator swarms buzzing about like insects.

The third part is FM Vocal synthesis, some are just producing random phonemes, others are saying phrases.

Then the last bit is bit crushing, using functions based on t (f(t)) where t is the sample # we use that to make musical signals. Check out one-liner orchestras http://countercomplex.blogspot.ca/2011/10/some-deep-analysis-of-one-line-music.html

Here is the repo of the chuck snippets I used that night!

https://github.com/abramhindle/abrams-chuck-snippets/tree/4669a53c5f1c6a741fe3b9bf6fa31726e5447657

http://projectm.sourceforge.net/ was the visualizer.

https://github.com/emacsmirror/chuck-mode is the emacs mode

Get ChucK http://chuck.cs.princeton.edu/

https://youtube.com/watch?v=T6HtsaWP5cg

Youtube: SkruntSkrunt Versus BackStreet Boys I Want It That Way! 3 FM Synths - Music Information Retrieval

This is 3 parallel FM tracks versus the backstreet boys.

½ of the sounds in this video are from this sound file: http://softwareprocess.es/b/fmout.ogg

The original video is here: http://www.youtube.com/watch?v=4fndeDfaWCg

The track w/o the backstreet boys is here: https://www.youtube.com/watch?v=3fIxG_uCk-g

Mostitch tries to interpret the audio by running metrics on the input audio (backstreet boys) and then matches it to the closest audio from the fm synthesizer. Then it reports the index of the best match in the synthesizer. This best match aligns with a set of parameters that we feed back into the original synthesizer.

To give you some idea of the roundabout path we take here’s an example of how everything starts:

python print_stitch.py fm/fmout.wav | perl fm/fmmapper.pl fm/map.dump | csound -L stdin -o devaudio -+rtaudio=jack -dm6 ./fm/fm.orc ./fm/fmlive.sco

Source code here: https://github.com/abramhindle/mostitch/tree/fm

This version is 3 bands of FM synthesis stitched together with some hard stereo panning.

https://youtube.com/watch?v=le6pF_4j0zI

Youtube: SkruntSkrunt Versus BackStreet Boys I Want It That Way!

Please use the youtube doubler to view this, it’ll make more sense:

http://ur1.ca/ee34l

The only sounds in this video are from this sound file: http://softwareprocess.es/b/fmout.ogg

The original video is here: http://www.youtube.com/watch?v=4fndeDfaWCg

Mostitch tries to interpret the audio by running metrics on the input audio (backstreet boys) and then matches it to the closest audio from the fm synthesizer. Then it reports the index of the best match in the synthesizer. This best match aligns with a set of parameters that we feed back into the original synthesizer.

To give you some idea of the roundabout path we take here’s an example of how everything starts:

python print_stitch.py fm/fmout.wav | perl fm/fmmapper.pl fm/map.dump | csound -L stdin -o devaudio -+rtaudio=jack -dm6 ./fm/fm.orc ./fm/fmlive.sco

Source code here: https://github.com/abramhindle/mostitch/tree/fm

This version is 3 bands of FM synthesis stitched together with some hard stereo panning.

https://youtube.com/watch?v=3fIxG_uCk-g

Youtube: Skruntskrunt - Left 4.5k Piezo Ceramic Right Homegrown Crystal With Toothbrush

Here is a demo of the big crystal with the tinfoil on the right channel and a 4.5k piezo contact mic on the left channel. There’s a toothbrush involved as well.

Description: http://skruntskrunt.ca/blog/2012/09/19/playing-with-piezo-crystals/

Home made piezo crystals + homemade amp and dehummer used to make noise.

Audio file: http://skruntskrunt.ca/a/skruntskrunt-left-4.5k-piezo-ceramic-right-homegrown-crystal-toothbrush.ogg

Source code: https://github.com/abramhindle/visualize-audio-with-images

https://youtube.com/watch?v=tSS3xVvSGtk

Playing With Piezo Crystals

I updated the swarmed post.

I’ve been playing a little bit with piezo crystals. Some good how to videos include:

You just need soda ash (baking soda that you cooked) and cream of tartar to make these crystals.

So I made some: Home-made piezo crystals

I hooked them up with alligator clips: Alligatored Clipped Crystal

I had to amplify the crystals to hear them: Fet Amplifier

The amplifier I used is described here: Fet Amp. It is very easy to source the parts from digikey.

I made a more permanent mic out of a crystal that I soldered: Plastidipped crystal

I had TERRIBLE mains hum and I tried dealing with it in analog with a Twin T Notch Filter using a 1uF and a 2.2uF and 680 ohm resistors to cut out 60hz. It did not work well: T-Connector Notch Filter

I eventually made some csound code to dehum for me.

Here is a demo of the big crystal with the tinfoil on the right channel and a 4.5k piezo contact mic on the left channel. There’s a toothbrush involved as well.