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Extend any sound effect with seamless, natural tails.
Details
- Accepts
- audio
Pricing
- Price
- 1.25 cr / second
Prices in credits (1 credit = $0.01).
Data schema
Input
| Field | Type | Description |
|---|---|---|
| seed | — | Seed for generation. -1 or None for random. |
| ambience | boolean | When true, run the extend+loop path: extend the prefix and stitch the end back to the prefix start so the tile loops seamlessly. When false, run a one-shot extension. |
| audio_urlrequired | string | URL of the audio prefix to extend. The prefix duration must be 3–59 seconds; the total output (prefix + append_duration) is capped at 60 seconds. |
| num_samples | integer | Number of variations to generate. |
| text_prompt | — | Optional text prompt guiding the extension. |
| double_output | boolean | Only used when ambience=true: concatenate the loop with itself for a 2x-length output. |
| append_duration | number | How many seconds to add after the prefix. Total output = prefix duration + append_duration, capped at 60s. Minimum 1s, maximum 57s (60s cap minus the 3s prefix minimum). |
| upload_audio_format | stringenum: wav, mp3, aac, flac | Audio format for the returned files. |
Output
| Field | Type | Description |
|---|---|---|
| audio | array | Audio with the input prefix preserved and a generated tail (and loop, if ambience=true). |