Create .SRT subtitles & .LRC lyrics from audio with Whisper AI and GPT-5-nano

Overview

This workflow automates the entire process of creating professional subtitle (.SRT) and synced lyrics (.LRC) files from audio recordings. Upload your vocal track, let Whisper AI transcribe it with precise timestamps, and GPT-5-nano segments it into natural, singable lyric lines. With an optional quality control step, you can manually refine the output while maintaining perfect timestamp alignment.

Key Features

- Whisper AI Transcription: Word-level timestamps with multi-language support via ISO codes - Intelligent Segmentation: GPT-5-nano formats transcriptions into natural lyric lines (2-8 words per line) - Quality Control Option: Download, edit, and re-upload corrections with smart timestamp matching - Advanced Alignment: Levenshtein distance algorithm preserves timestamps during manual edits - Dual Format Export: Generate both .SRT (video subtitles) and .LRC (synced lyrics) files - No Storage Needed: Files generated in-memory for instant download - Multi-Language: Supports various languages through Whisper API

Use Cases - Generate synced lyrics for music video releases on YouTube - Create .LRC files for Musixmatch, Apple Music, and Spotify - Prepare professional subtitles for social media content - Batch process subtitle files for catalog releases - Maintain consistent lyric formatting across artists - Streamline content delivery for streaming platforms - Speed up video editing workflow

Perfect For - For Musicians & Artists - For Record Labels - For Content Creators

What You'll Need

Required Setup - OpenAI API Key for Whisper transcription and GPT-5-nano segmentation