evo-dubbing-tts-synthesis
Synthesizes target-language TTS audio fitted to SRT time windows using Kokoro.
Key Functions
parse_srt_file(path)- Parse SRT file, return list of dicts with index, text, start_sec, end_sec, duration_secread_target_language(path)- Read target language code from filesynthesize_segment(text, lang_code, voice, speed)- Generate audio array using Kokorofit_audio_to_window(text, lang_code, voice, target_duration)- Synthesize and adjust speed to fit windowgenerate_tts_segments(segments_srt, source_srt, target_srt, lang_code, output_dir)- Full pipeline
Usage
pythonimport sys sys.path.insert(0, '/app/environment/skills/evo-dubbing-tts-synthesis/scripts') from utils import parse_srt_file, read_target_language, generate_tts_segments segments = parse_srt_file('/root/segments.srt') lang = read_target_language('/root/target_language.txt') results = generate_tts_segments( '/root/segments.srt', '/root/source_text.srt', '/root/reference_target_text.srt', lang, '/outputs/tts_segments' )
Technical Details
- Kokoro native sample rate: 24000 Hz
- Japanese lang_code for Kokoro: 'j'
- Default Japanese voice: 'jf_alpha'
- Speed parameter range: 0.5 to 2.0 for quality
- SRT time conversion: sub.start.ordinal / 1000.0 for seconds
- Use encoding='utf-8-sig' for BOM handling


