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Tutorial 8

In this tutorial, we are going to use Raspberry Pi to control Reaper Digital Audio Workstation (DAW).

System Flowchart

graph LR
A[Raspberry Pi] --LAN/WiFi--> B[Reaper<br>DAW]
Loading

Configuration (Reaper)

  1. Go to Reaper Preference using the shortcut Ctrl+P
  2. Navigate to Control/OSC/Web (green box)
  3. Click on Add to configure a new OSC device

alt text

Reaper Preference Windows

  1. Configure new OSC Device as shown in the picture below

alt text

Configuration (Raspberry Pi)

  1. Create a directory folder for the required python files. In this particular case, we are going to name the folder reaper.
mkdir reaper
  1. Please copy the following files into the folder directory ~/reaper
play_stop.py
marker_1.py
  1. Go to the directory reaper
cd ~/reaper
  1. Edit the IP Address of the Laptop (running Reaper) in the respective python files
  • Line 19 of play_stop.py
PI_A_ADDR = "10.10.10.10"
  • Line 19 of marker_1.py
PI_A_ADDR = "10.10.10.10"
  1. Run the python files play_stop.py or marker_1.py (please ensure you have configured marker 1 in Reaper). If the script is executed successfully, it will play/stop the playback on reaper (play_stop.py) or playback will shift to marker 1 (marker_1.py).
python3 play_stop.py
python3 marker_1.py

Identifying OSC Commands in Reaper

In this tutorial, we are using the Action List in Reaper. In Reaper, the Action List is a comprehensive catalogue of commands and functions that you can execute within the softwaer. It covers basic features such as playback controls to complex scripting operations.

To view Action List navigate to Actions -> Show action list...

Look out for Command ID (right click to unhide)

alt text

Reaper Action List