Making Seamless Music Loops

Using REAPER to make seamless loops for music production, games and interactive media.

This technique uses three sections of music to create a loop – the first part is repeated to allow effects to carry over to the part that will be looped, then a tail which decays to silence.
The different sections are defined with a region and marker.
The project is exported with regions and markers embedded, and then brought back into the project.
The option to “Autocrossfade when splitting” is disabled, then run the action to “split items at media cues”.
the middle section of our file can then be looped using the action “sws: loop section of selected items”

From here the file can be exported or glued if desired.

If we only had the first play through (with no effect tails at start), and a tail, we could take the tail section, align it with the start of first playthrough on new track and have the same seamless loop. Glue or export the time selection to commit the loop as a new file.

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