Ace Step Audio Inpaint
Playground
Try it on WavespeedAI!ACE-Step Audio Inpaint modifies a specific portion of provided audio with new lyrics and/or style while preserving the surrounding audio. Perfect for editing specific sections of a track, fixing mistakes, or trying different variations in the middle of a song without regenerating the entire track.
Features
ACE-Step: Audio Inpaint (Edit)
ACE-Step Audio Inpaint modifies a specific portion of provided audio with new content.
Key Features
- Precise Editing: Target specific time ranges in your audio for modification.
- Seamless Integration: Modified sections blend naturally with surrounding audio.
- Flexible Timing: Specify start and end times relative to the beginning or end of the track.
- Variance Control: Adjust how much the edited section differs from the original.
Use Cases
- Fix mistakes in a specific section of a track
- Try different lyrics for a verse or chorus
- Replace instrumental sections with different styles
- Edit specific parts without regenerating the entire song
Pricing
$0.0002 per second of generated audio.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/wavespeed-ai/ace-step/audio-inpaint" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
"start_time_relative_to": "start",
"start_time": 0,
"end_time_relative_to": "start",
"end_time": 30,
"lyrics": "",
"seed": -1
}'
# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| audio | string | Yes | - | - | Audio file to transcribe. Provide an HTTPS URL or upload a file (MP3, WAV, FLAC up to 60 minutes). |
| tags | string | Yes | - | - | Comma-separated list of genre tags to control the style. |
| start_time_relative_to | string | No | start | start, end | Reference point for start time. |
| start_time | number | No | - | 0 ~ 240 | Start time in seconds. |
| end_time_relative_to | string | No | start | start, end | Reference point for end time. |
| end_time | number | No | 30 | 0 ~ 240 | End time in seconds. |
| lyrics | string | No | - | - | Lyrics to be sung in the audio. Use [inst] or [instrumental] for no vocals. |
| seed | integer | No | -1 | -1 ~ 2147483647 | The random seed for reproducibility. |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | Array of URLs to the generated content (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |