Extract audio from video files, apply voice conversion, and merge it back with FFmpeg.
npx skills add https://github.com/wlzh/skills --skill video-voice-changer
Please help me install this Agent Skill. Skill: video-voice-changer Source: https://github.com/wlzh/skills/tree/main/video-voice-changer Command: npx skills add https://github.com/wlzh/skills --skill video-voice-changer
Changing the voice in a video normally requires manual audio extraction, separate voice processing, and re-muxing with video editing tools. This Skill automates that entire pipeline so a video's audio track can be voice-converted in a single command while keeping the original video quality untouched.
Ask the AI to convert the voice in your video file to a deep male voice and save it as a new file without overwriting the original.
High-intent search queries and answers about installing and using this skill.
Run the video_voice_change.py script with your video path, for example python3 video_voice_change.py input.mp4 -v male_deep. It extracts the audio with FFmpeg, converts the voice, and merges it back into a new video file.
Available presets include female_1, female_2, female_3, male_deep, male_normal, child, and robot. They are loaded from the voice-changer skill's voice_config.json, so custom presets added there can also be used.
No. The video stream is copied without re-encoding using FFmpeg's -c:v copy flag, so the original video quality is preserved. Only the audio track is replaced and encoded as AAC.
By default it creates a new file with a _vc suffix, such as input_vc.mp4, leaving the original untouched. The original is only overwritten when you explicitly pass the --overwrite flag.
The script requires FFmpeg, FFprobe, Python 3.8+, and the voice-changer skill installed at ~/.claude/skills/voice-changer. Install FFmpeg via brew or apt and verify the voice-changer script and config exist.
Processing time scales with video length, roughly 30-60 seconds for a 10-minute 1080p video. It also needs temporary disk space for extracted audio, and output audio quality depends on the voice-changer skill's conversion quality.
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