Tool manual under launch-film (mixdown.py for buses, ducking, loudness and the brickwall). Mix and master the audio of a launch film. Music, SFX and voice-over on separate buses, the bed ducked by the voice's real envelope with a presence carve, the music dropped out for the logo, glue compression, a true-peak-safe limiter, -14 LUFS and -1 dBTP, then laid onto the rendered picture.
Install
npx skills add timscheuerai/launch-video-kit --skill launch-mixnpx skills add timscheuerai/launch-video-kit --skill launch-mix -a claude-code -gnpx skills add timscheuerai/launch-video-kit --skill launch-mix -a codex -ggemini skills install https://github.com/timscheuerai/launch-video-kit.git --path skills/launch-mixgh skill install timscheuerai/launch-video-kit launch-mixgit clone --depth 1 https://github.com/timscheuerai/launch-video-kit /tmp/timscheuerai__launch-video-kit
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/timscheuerai__launch-video-kit/skills/launch-mix ~/.claude/skills/launch-mix # Claude Code
cp -R /tmp/timscheuerai__launch-video-kit/skills/launch-mix ~/.agents/skills/launch-mix # Codex, Cursor, Gemini CLI, Copilot, OpenCode