video-translation

What problem does it solve?

Translate and dub a video's spoken audio into another language while preserving the original video, removing the need for manual alignment, re-recording, or video editing to produce a natural, timeline-accurate dubbed output.

Core Features & Use Cases

• Timeline-aligned dubbing: Uses subtitle timestamps to render TTS segments that match the original speech timing.
• Subtitle translation: Reads SRT files and translates sentence-by-sentence into the target language while preserving indices and timestamps for seamless replacement.
• Audio replacement with smart ducking: Optionally ducks original background audio where speech occurs and mixes the dubbed audio to retain ambient sounds.
• Use Case: Localize a YouTube tutorial by downloading the video and subtitles, translating the SRT, generating timeline-accurate TTS in the target language, and producing a final video with replaced audio.

Quick Start

Translate and dub this YouTube video to English by providing the video URL and the target language and then return the path to the final_video.mp4 file.