Install the belt CLI skill:
npx skills add belt-sh/cli
ElevenLabs Sound Effects
Generate sound effects from text descriptions via inference.sh CLI.
Quick Start
Requires inference.sh CLI (
belt). Install instructions
bashbelt login # Generate a sound effect belt app run elevenlabs/sound-effects --input '{"text": "Thunder rumbling in the distance"}'
Parameters
| Parameter | Type | Description |
|---|---|---|
text | string | Description of the sound effect (max 1000 chars) |
duration_seconds | number | Duration 0.5-22 seconds (optional, auto if omitted) |
prompt_influence | number | 0-1, how literal to interpret prompt (default: 0.3) |
Examples
Cinematic Effects
bash# Epic trailer hit belt app run elevenlabs/sound-effects --input '{"text": "Cinematic braam, deep bass impact"}' # Suspense drone belt app run elevenlabs/sound-effects --input '{ "text": "Dark atmospheric drone, tension building, horror", "duration_seconds": 10 }' # Whoosh transition belt app run elevenlabs/sound-effects --input '{ "text": "Fast cinematic whoosh transition", "duration_seconds": 1.5 }'
Nature & Environment
bash# Rain belt app run elevenlabs/sound-effects --input '{ "text": "Heavy rain on a tin roof with occasional thunder", "duration_seconds": 15 }' # Forest ambience belt app run elevenlabs/sound-effects --input '{ "text": "Forest ambience with birds chirping and gentle wind", "duration_seconds": 20 }' # Ocean waves belt app run elevenlabs/sound-effects --input '{ "text": "Ocean waves crashing on a beach, calming", "duration_seconds": 15 }'
Game Audio
bash# Power-up belt app run elevenlabs/sound-effects --input '{ "text": "Retro game power-up sound, ascending tones", "duration_seconds": 1 }' # Explosion belt app run elevenlabs/sound-effects --input '{ "text": "Sci-fi laser explosion, futuristic", "duration_seconds": 3 }' # UI click belt app run elevenlabs/sound-effects --input '{ "text": "Soft UI button click, subtle and clean", "duration_seconds": 0.5 }'
Everyday Sounds
bash# Doorbell belt app run elevenlabs/sound-effects --input '{"text": "Classic doorbell ring"}' # Typing belt app run elevenlabs/sound-effects --input '{ "text": "Mechanical keyboard typing, fast, clicky", "duration_seconds": 5 }' # Notification belt app run elevenlabs/sound-effects --input '{ "text": "Pleasant notification chime, positive", "duration_seconds": 1 }'
Prompt Influence
Control how literally the model interprets your description:
| Value | Effect | Best For |
|---|---|---|
| 0.0 | Very loose interpretation | Creative, surprising results |
| 0.3 | Balanced (default) | General purpose |
| 0.7 | Close to description | Specific sound needs |
| 1.0 | Very literal | Exact sound reproduction |
bash# Loose interpretation - creative result belt app run elevenlabs/sound-effects --input '{ "text": "Magical fairy dust sparkle", "prompt_influence": 0.1 }' # Literal interpretation - precise result belt app run elevenlabs/sound-effects --input '{ "text": "Single gunshot, pistol, indoor range", "prompt_influence": 0.8 }'
Prompt Tips
Be specific: "Heavy rain on metal roof" > "rain sound"
Include context: "Footsteps on gravel, slow walking pace" > "footsteps"
Describe mood: "Eerie wind howling through abandoned building" > "wind"
Specify material: "Glass shattering on concrete floor" > "breaking glass"
Workflow: Add SFX to Video
bash# 1. Generate sound effect belt app run elevenlabs/sound-effects --input '{ "text": "Dramatic reveal swoosh with bass drop", "duration_seconds": 2 }' > sfx.json # 2. Merge with video belt app run infsh/media-merger --input '{ "media": ["video.mp4", "<sfx-url>"] }'
Use Cases
- Video Production: Transitions, impacts, ambience
- Game Development: UI sounds, effects, environments
- Podcasts: Stingers, transitions, atmosphere
- Film/Animation: Foley, ambience, scoring elements
- Presentations: Attention-grabbing sound cues
- Social Media: Short-form content audio
Related Skills
bash# ElevenLabs music generation npx skills add inference-sh/skills@elevenlabs-music # ElevenLabs TTS (combine voice with effects) npx skills add inference-sh/skills@elevenlabs-tts # AI music generation (Diffrythm, Tencent) npx skills add inference-sh/skills@ai-music-generation # Full platform skill (all apps) npx skills add inference-sh/skills@infsh-cli
Browse all audio apps: belt app list --category audio


