Generate Audio
Generate audio directly using the Runway API. Supports text-to-speech, sound effects, voice isolation, dubbing, and speech-to-speech voice conversion.
IMPORTANT: Run scripts from the user's working directory so output files are saved where the user expects.
Usage
uv run scripts/generate_audio.py --type tts --text "Hello world" --filename "greeting.mp3" [--voice-id ID] [--api-key KEY]Preflight
command -v uvmust succeedRUNWAYML_API_SECRETmust be set, or pass--api-key
Audio Types
| Type | Description | Required Args |
|---|---|---|
tts |
Text to speech | --text |
sfx |
Sound effect generation | --text |
isolate |
Isolate voice from audio | --audio-url |
dub |
Dub to another language | --audio-url, --target-language |
sts |
Voice conversion | --audio-url |
Parameters
| Param | Description | Default |
|---|---|---|
--type |
Audio type (required): tts, sfx, isolate, dub, sts | -- |
--filename |
Output filename (required) | -- |
--text |
Text input (for tts and sfx) | -- |
--audio-url |
Audio URL or local path (for isolate, dub, sts) | -- |
--voice-id |
Voice preset (for tts and sts, e.g. Maya, Noah, Leslie) | Maya |
--target-language |
Language code (for dub, e.g. "es") | -- |
--output-dir |
Output directory | cwd |
--api-key |
Runway API key | env RUNWAYML_API_SECRET |
Examples
Text-to-speech:
uv run scripts/generate_audio.py --type tts --text "Welcome to our product showcase" --filename "voiceover.mp3"Sound effect:
uv run scripts/generate_audio.py --type sfx --text "Thunder rolling across a stormy sky" --filename "thunder.mp3"Voice isolation:
uv run scripts/generate_audio.py --type isolate --audio-url "noisy-recording.mp3" --filename "clean-voice.mp3"Speech-to-speech (voice conversion):
uv run scripts/generate_audio.py --type sts --audio-url "recording.mp3" --voice-id Noah --filename "converted.mp3"Dubbing:
uv run scripts/generate_audio.py --type dub --audio-url "english-narration.mp3" --target-language es --filename "spanish-dub.mp3"Output
- The script downloads the result and saves it to the specified path
- Script outputs the full path to the saved file