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Skill

rw-generate-audio

generate audio with Runway API

Published by Runway Updated Apr 17
Covers Creative Runway AI Infrastructure Audio

Description

Generate audio using the Runway API via runnable scripts. Supports TTS, sound effects, voice isolation, dubbing, and voice conversion.

SKILL.md

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

  1. command -v uv must succeed
  2. RUNWAYML_API_SECRET must be set, or pass --api-key

Audio Types

TypeDescriptionRequired Args
ttsText to speech--text
sfxSound effect generation--text
isolateIsolate voice from audio--audio-url
dubDub to another language--audio-url, --target-language
stsVoice conversion--audio-url

Parameters

ParamDescriptionDefault
--typeAudio type (required): tts, sfx, isolate, dub, sts--
--filenameOutput filename (required)--
--textText input (for tts and sfx)--
--audio-urlAudio URL or local path (for isolate, dub, sts)--
--voice-idVoice preset (for tts and sts, e.g. Maya, Noah, Leslie)Maya
--target-languageLanguage code (for dub, e.g. "es")--
--output-dirOutput directorycwd
--api-keyRunway API keyenv 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

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