Reaper Batch Renaming Markers and Regions

Dynamic Split

Going to assume you know D for dynamic split. When working with 0.2-1s clips make sure to uncheck "At Transients", start with "Threshold" at 0db and keep working your way to - infinity until you see the silence spaces you want removed

Create Regions Per clip

  1. Highlight the clips you want to make regions for
  2. Actions > Markers: Insert seperate regions for each selected item

Install Package

  1. In the DAW Extensions > RePack > Browse Packages
  2. search for batch rename plus (right click and install)
  3. install https://sws-extension.org/download/pre-release/ with your OS. My Win 11 64-bit PC used sws-2.14.0.7-Windows-x64-9daba634.exe
  4. Run the Action Batch Rename Plus
  5. You may be asked to install other packages (GUI, etc.)
    1. reaper_js_ReaScriptAPI64.dll
    2. reaper_imgui-x64.dll
    3. restart Reaper as needed

Batch Rename Region Names

  1. Select clips/regions you wish to target
  2. Run the Action Batch Rename Plus
  3. Apply To target select Regions / Selected Retions
  4. Click first region in timeline, hold shift and click the last region to select multiple.
  5. checkbox Rename and fill in text
  6. Use Specifiers to help append prefix/suffix like numbered indexes.
  7. hit Rename All

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Credit