srt2speech: Open-Source Lightweight SRT Dubbing Tool with Voice Cloning
Charming-Author4877 · reddit · 2026-08-04
A developer has released srt2speech, an open-source, lightweight tool designed to convert SRT subtitles into speech without relying on expensive hardware or external APIs.
Key features include:
- Exact Duration Matching: Ensures spoken lines fit perfectly into subtitle time slots using pitch-corrected speed adjustments, automatic regeneration, and precise silence placement.
- Multilingual & Voice Cloning: Supports English, Japanese, Korean, Chinese, French, and German. Includes simple templating ({{speakername}}) for multi-speaker switching and a voice cloning helper script.
- Offline & Lightweight: Minimal dependencies (Python, NumPy, llama.cpp, GGUF models). Runs efficiently on laptops or old PCs, achieving 12-13x real-time on an RTX 4080 mobile GPU and 1.5-2.0x real-time on CPU.
Licensed under Apache 2.0, the project is ideal for generating narration, translated audio tracks, or accessibility audio.
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