Subtitle To Audio
All Features

Read To
Speak

Turn text subtitles into lifelike voiceover dubs automatically. Maintain original timing and layout with zero manual editing.

Perfect Sync

0ms

Timing Drift

Reading...
"00:01:23 --> 00:01:25"
Generating Audio Match...

Stretching speech duration to match subtitle bounds...

Audio Ready

1 to 1 Timestamp Matching
Auto Length Adjustment
Max Emotion Retention

Subtitle-To-Audio Engine

Simply upload an SRT file. Octavia reads the text and generated perfectly timed audio that fits within the exact timestamps specified in the file.

Timing Synchronization

Generated speech speed is dynamically altered to perfectly fit the start and end timestamp of a subtitle line, guaranteeing audio never bleeds across cuts.

Multi-Speaker Diarization

Reads SRT speaker labels (e.g., [Speaker 1]) and seamlessly assigns distinct voice actors to each role.

Volume Ducking

Automatically lowers original background music when new synthesized speech begins playing.

Background Noise Retention

Layer your generated voiceovers directly over your source video while fully retaining sound effects and music tracks from the original footage.

SRT/VTT Import

Supports standard caption files with embedded styling securely.

WAV/MP3 Export

Download the generated audio or bake it directly into an MP4.

Batch Processing

Upload entire folders of subtitles to map out entire audiobook series.

Audio Generation Pipeline

Transforming simple text strings into perfectly timed vocal performances.

Subtitle Parsing

Extracts text and precise milliseconds for start and end times.

Parsing: English.srt

Speaker Assignment

Assigns chosen AI voice models to tags like [Narrator] or [Guest].

Speech Synthesis

Initial neural generation of the vocal phrases based on text input.

Time Stretching

Slightly alters cadence and speed to perfectly fit timestamp bounds.

Audio Mixing

Normalizes audio gain and ducks background music behind voice bounds.

Final Render

Finalizes the waveform as a downloadable 48kHz WAV audio format.

Global Coverage

480+ Voices in 30+ Languages

Male, female, and child voice actors ready to narrate any script authentically.

🇺🇸English
🇪🇸Spanish
🇫🇷French
🇩🇪German
🇮🇹Italian
🇧🇷Portuguese
🇷🇺Russian
🇯🇵Japanese
🇰🇷Korean
🇨🇳Chinese
🇦🇪Arabic
🇮🇳Hindi

Audio generation at scale.

No credit card required. 5 free minutes included.