mamoworld BeatEdit detects the beats in your music and represents them as markers in the Premiere Pro timeline. From there you can generate automatic edits in sync with the music, or use the markers as guides for a manual editing process — and automatic edits can be tweaked in the timeline. It is compatible with Premiere Pro's Automate to Sequence function, which builds a cut based on the markers.
Beat detection relies on robust beat tracking technology: the IBT beat tracker developed by the Sound and Music Computing Group at INESC University of Porto, together with the MARSYAS framework developed under the direction of George Tzanetakis at the University of Victoria. In the interface, beats appear as blue bars and are audible as click sounds during playback, with flexible tools to select specific beats and add extra markers at other rhythmically relevant points.
You can create sequence markers or clip markers, and clip markers are stored inside the audio file, so they carry into After Effects when you open the same file. A beat info panel shows bpm and the number of selected beats, and work area support lets you create, move or delete markers only within the work area.