Process Watcher
A method for installed playback systems. Set as a login item for macOS. Adjust the target process and launch file as necessary. The watcher script will check that the defined process
Tag: Command Line
Updates on Github/Kreivalabs
Numerous updates have been made to the repositories at https://www.github.com/kreivalabs. Rather than continually update the printed code in the previous posts, please head over to the git repositories (and follow the
Speaker coverage measurements with Python
Convert Samples to Time with Python
NOTE: visit https://www.github.com/kreivalabs for up to date code versions. The following will calculate elapsed time in milliseconds and seconds for a given sample rate and time (entered in seconds). It will
Acoustic Velocity and Loudspeaker Delay with Temperature and Python
NOTE: visit https://www.github.com/kreivalabs for the current code versions. Building on the method below, here is the same calculator in Python (hooray for cross-platform!). Save the text below as a .py file
Further Adventures with Twitter, node-red and Sonic Pi
Building upon the methods explored here, I’ve been experimenting with using node-red’s Twitter node to interface directly with ruby files in Sonic Pi by means of shell scripting. By creating multiple
Control QLab with Twitter
UPDATE 7/10/17 – Check out the contributed module from Sam Levey, with nodes to control QLab via OSC messages and a node to control node-red from QLab: https://www.npmjs.com/package/node-red-contrib-qlab This eliminates some
Make a secure ad hoc wireless control network
At some point along the way (I can’t remember when…), Apple removed authentication security from the ad hoc network function “Create a network…” in the Wi-Fi setup. I use ad hoc
Qlab->Terminal->SonicPi
Controlling Sonic Pi from QLab – Use Sonic Pi to generate pre-show music for your designs. Sonic Pi, created by Sam Aaron at Cambridge University, is a fantastic live-coding music synth utilizing Ruby script and
