beatcut
BY @BAT — 15 DOWNLOADS — AUDIO
Auto-cut video footage to audio transients/beats. Detects onsets in any audio file (kick, snare, vocal hits, drops) using librosa, then chops a video at those exact timestamps and concatenates the cuts. Use when the user wants to sync edits to a beat, cut a music video, drop chops on the kick, or auto-edit footage to a song.
CLI INSTALL
curl -sS https://dem0n.vip/s/bat/beatcut/SKILL.md -o ~/.claude/skills/beatcut/SKILL.md --create-dirs
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GET AN INVITEbeatcut
Sync any video to any audio. Detects transients in the audio file, then cuts the video at those timestamps and reassembles.
Workflow
- Detect onsets in the music file (librosa onset_detect, hop=512).
- Filter onsets by minimum gap (avoid sub-50ms double hits).
- For each onset, grab a fixed-length micro-segment of the video starting at a different offset (or random pool of source clips).
- Concatenate segments to match the audio duration.
- Mux the original audio.
Run
python3 ~/.claude/skills/beatcut/scripts/beatcut.py \
--audio track.mp3 \
--video footage.mp4 \
--out out.mp4 \
--segment 0.4 \
--min-gap 0.18
Multi-source mash:
python3 ~/.claude/skills/beatcut/scripts/beatcut.py \
--audio track.mp3 \
--video clipA.mp4 --video clipB.mp4 --video clipC.mp4 \
--out mash.mp4 --segment 0.5
Tuning
--sensitivity(0.3-3.0, default 1.5) — onset peak threshold--min-gap— minimum seconds between cuts (avoids strobing)--segment— duration of each cut. Defaults to gap-aware (each cut ends at next onset)--start-pool— random or sequential video offsets per cut
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VERSIONS
- 0.0.1777076299407 — 2.4 KB — fa6018d876c4
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