What is a CHRP file? A CHRP file contains electronic music data in the proprietary Chirp (CHRP) format that CTR Electronics (CTRE) devices with compatible Talon FX motors load to play music. It stores music data converted from a .MIDI file via Phoenix Tuner X, a companion app for configuring and managing CTR Electronics devices. CTRE devices, most prominently robotics, play CHRP files to play a melody during self-tests or robotics competitions to entertain the audience.

More Information Mike Copioli and Omar Zrien founded CTR Electronics in 2006 to provide embedded solutions for various control systems, such as robotics and Diver Propulsion Vehicles (DPVs). CTR Electronics developed Phoenix Tuner X as a Windows and Android app for configuring, analyzing, updating, and controlling compatible devices. Phoenix Tuner X allows you to convert a MIDI file to a CHRP file, which is supported in the Orchestra class in the CTRE Phoenix API . The API enables compatible Talon FX motors in the device to play the melody stored in the CHRP format. NOTE: CTR Electronics is short for "Cross the Road Electronics."