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| -rw-r--r-- | README.md | 49 |
1 files changed, 48 insertions, 1 deletions
@@ -1,4 +1,51 @@ random241 ========= -A random number generator, using an Americium 241 sample over a webcam sensor +Python scripts for harvesting entropy from a random number generator (with an Americium 241 sample mounted over a webcam sensor as its source). +This repository also features an OSC enabled SuperCollider [random241.scd](https://raw2.github.com/davezerave/random241/master/SuperCollider/random241.scd) script that can interface with it and a rudimental python script [read_gpio.py](https://raw2.github.com/davezerave/random241/master/remote_control/read_gpio.py) (made for BeagleBone Black) that can be used to further modify effects on the generated sounds in a live setup. + +Requirements: +------------- + +For the [entropy_harvester](https://github.com/davezerave/random241/tree/master/entropy_harvester) you'll need the following packages and dependencies installed (names may vary depending on your distribution!): +- python2 +- python2-numpy +- python2-pyliblo +- opencv +- liblo + +For the [SuperCollider](https://github.com/davezerave/random241/tree/master/SuperCollider) script you'll need [SuperCollider](http://supercollider.github.io/) installed (duh!). + +For the [remote_control](https://github.com/davezerave/random241/tree/master/remote_control) you'll need the following: +- python2 +- python2-pyliblo +- [AdaFruit_BBIO](https://github.com/adafruit/adafruit-beaglebone-io-python) +- liblo + +Features: +----- + +As this is an ongoing project and was executed primarily within the boundaries of my course work for [Audiovisual Programming - Embedded Systems](https://github.com/redFrik/udk10-Embedded_Systems) led by Fredrik Olofsson at UDK Berlin in 2013/ 2014, bugs can be expected (especially if you set up your own device!) and the reporting of those is very welcome! + +Currently the list of features for the [entropy_harvester](https://github.com/davezerave/random241/tree/master/entropy_harvester) is as follows: +- Grabbing of bright areas (aka regions of interest in pixels) above a certain threshold from a webcam +- Calculation of mean x/y values from regions of interest and conversion to float range +- Sending of time, x and y values via OSC to predefined host and port + +The [SuperCollider](https://github.com/davezerave/random241/tree/master/SuperCollider) script is able to: +- Receive OSC messages for the creation of SynthDefs with certain pitch, amplitude, length and loop time, according to coordinates and time sent. +- Receive OSC messages for manipulation of post processing SynthDefs (FreeVerb for now). +- Ignore OSC messages after a certain amount of SynthDefs created. +- Release (all) SynthDefs after a certain amount of SynthDefs is reached. + +The [remote_control](https://github.com/davezerave/random241/tree/master/remote_control) script is able to: +- Read GPIO data from BeagleBone Black (P9_39-42 for now) +- Send sensor data as OSC message to predefined host and port + +TODOs: +------ +- Externalization of settings for [remote_control](https://github.com/davezerave/random241/tree/master/remote_control) and [entropy_harvester](https://github.com/davezerave/random241/tree/master/entropy_harvester) +- Further settings and advancements in sound for the SuperCollider script +- Performance enhancements for entropy_harvester using different search algorithm (maybe even swith to C++) +- Detection of false positives (pixel errors) on wacky cameras + |