AI Sound Effects Generator - SFX and Music
AI sound effects generator: describe it in one line, get a custom effect (0.5–30 s) or music (3 s–10 min, instrumental or vocal). Commercial use; from $3.90.
最終更新: 2026-10-18
The VoiceSmiths AI sound effects generator turns a one-line text description into custom sound effects and music: effects from 0.5 to 30 seconds, music from 3 seconds to 10 minutes, instrumental or with vocals. It runs on ElevenLabs' sound and music models, every file can be used commercially, and pricing is a flat number of credits per generation, starting from a $3.90 one-time pack.
At a glance
| Sound effects | Music | |
|---|---|---|
| Input | One-line description | Style, mood, structure |
| Length | 0.5–30 seconds (or automatic) | 3 seconds – 10 minutes |
| Options | Exact duration, or let the model choose | Instrumental or with vocals (say which in the prompt) |
| Model | ElevenLabs sound effects (official API) | Eleven Music (official API) |
| Output | MP3 | MP3 |
| Price | Flat credits per generation, shown on the button | Flat credits per generation, shown on the button |
| Commercial use | Yes | Yes |
Plans: $3.90 one-time for 150 credits, or from $7.90 a month. Pay by card or Alipay. Failed generations are refunded automatically.
Describe it, and hear it
The old sound-sourcing workflow: browse stock sites → audition dozens of clips → worry about licensing → settle. With an AI sound effects generator: write one line, get a custom effect seconds later. Music works the same way — describe style, mood and structure, get 3 seconds to 10 minutes of score.
Real samples from the AI sound effects generator
Everything below came straight out of this studio, unprocessed:
SFX · prompt "Heavy rain on a tin roof with distant thunder" (6s):
SFX · prompt "Two metal swords clashing in a large stone hall, with echo" (4s):
Music · prompt "Tense cinematic score, low strings and taiko drums, builds then cuts sharply" (15s):
How to use the AI sound effects generator
- Open Voice Studio → Sound & Music
- Write one line that sets the scene: what happens, in what kind of space, and how far away
- For effects, set a duration from 0.5 to 30 seconds or let the model choose; for music, give the style, mood and structure, and say whether you want it instrumental or with vocals
- Generate — the button shows the credit price first — then listen a few seconds later and download the MP3
Not quite right? Change a word or two and generate again. It is still faster than auditioning dozens of stock clips.
Prompting tips
- Describe the scene, not the category: "a heavy iron door slamming in an empty corridor" beats "door sound"
- Add space: "with echo", "in a small room", "distant" strongly shape the acoustics
- Give music structure: words like "builds then cuts sharply" work
- SFX takes an exact duration (0.5–30s); music runs 3s–10min and can be instrumental
From a plain prompt to a good one
| Plain | Better |
|---|---|
| rain | Heavy rain on a tin roof with distant thunder |
| sword sound | Two metal swords clashing in a large stone hall, with echo |
| door sound | A heavy iron door slamming in an empty corridor |
| tense music | Tense cinematic score, low strings and taiko drums, builds then cuts sharply |
Each better prompt names three things: the sound itself, the space it happens in, and how it changes over time.
Where it fits
- Shorts and ads: transitions, hits and opening ambience, generated at the length the edit needs
- Podcasts and audio drama: room tone and intro music; for a story with several characters, the audio drama studio casts the voices for you
- Games and film: use the AI sound effects generator to sketch a quick sound draft, then refine once the direction is set
Effects and music you generate can be used in commercial projects, including film, ads, podcasts and games, under the Terms of Service.
Pairing with voiceover
A short video's full audio layer = voiceover + effect accents + background score. All three live in the Voice Studio; line them up in your editor using the subtitle timestamps.
FAQ
How does the AI sound effects generator work? Describe the sound in one line, for example "heavy rain on a tin roof with distant thunder", optionally set a duration between 0.5 and 30 seconds, and you get an MP3 a few seconds later. It runs on the ElevenLabs sound effects model through the official API.
Can it make music too? Yes. Describe the style, mood and structure and you get a track from 3 seconds to 10 minutes long, instrumental or with vocals, on the Eleven Music model.
Is the AI sound effects generator free? The samples on this page are free to play, but generating sound effects or music uses credits; there is no free generation for this tool. Credits start at $3.90 one-time for 150, and each generation shows its flat price on the button before you spend anything. See pricing.
Can I use the sounds commercially? Yes. Effects and music you generate can be used in commercial projects, including film, ads, podcasts and games, under the Terms of Service.
What makes a good sound effect prompt? Describe the scene rather than the category ("a heavy iron door slamming in an empty corridor", not "door sound"), add the space ("with echo", "distant", "in a small room"), and for music give it structure, such as "builds then cuts sharply".
Start generating
Pick a scene, describe it in one line, and the AI sound effects generator hands you your first custom effect a few seconds later.