feat: add subtitle generation with word-level timestamps (!3) · Merge requests · VISWAM / apps / Speech / Voice App Backend

Rajuldev Vandana requested to merge vandana into main Mar 30, 2026

Add SRT/VTT subtitle generation from transcription chunks
Implement word-level timestamp alignment using CTC tokenization
Add normalize_chunks, generate_word_timestamps, create_synthetic_chunks functions
Add /api/subtitles endpoint for downloading subtitle files
Add frontend dropdown for SRT/VTT download options

feat: add subtitle generation with word-level timestamps