audio-to-audio
ACE-Step Audio Inpaint | Localized Audio Inpainting & Lyrics Editing | WaveSpeedAI
ACE-Step Audio Inpaint edits a specific audio segment to change lyrics or style while preserving the surrounding audio. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Idle
Your request will cost $0.0002 per run.
For $1 you can run this model approximately 5000 times.
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README
ace-step/audio-inpaint 🎧
ACE-Step Audio Inpaint is a powerful music and audio editing model developed by WaveSpeedAI. It enables precise, intelligent modification of selected time ranges within an existing audio clip — perfect for fixing, remixing, or creatively reimagining tracks without re-generating the whole piece.
🌟 Key Features
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🎯 Precise Segment Editing Modify only the section you want — define start and end times to edit exactly the range you need.
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🎵 Seamless Audio Blending New content merges naturally with surrounding audio for smooth, undetectable transitions.
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🕒 Flexible Timing Control Choose whether your start or end times are relative to the beginning or end of the track.
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🎶 Style & Lyric Adaptability Add new instrumentation, effects, or lyrics while preserving the overall flow and tone.
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⚙️ Controlled Variation Adjust how much the regenerated section diverges from the original using
seedand creative parameters.
⚙️ Parameters
| Parameter | Description |
|---|---|
| audio* | Upload or link to an existing audio file (MP3 / WAV). |
| tags* | Define the target style or mood (e.g., lofi, hiphop, trap, chill). |
| start_time / end_time | Select the time range (in seconds) to edit. |
| start_time_relative_to / end_time_relative_to | Choose whether the range is relative to the start or end of the audio. |
| lyrics | (Optional) Add or replace lyrics for the edited section. |
| seed | Fix for reproducible results; -1 for randomized variation. |
💡 Use Cases
- 🎧 Repair or refine — Fix errors or off-beat moments in specific sections.
- 📝 Rewrite lyrics — Try new vocal phrasing or emotional tone.
- 🎚 Remix segments — Replace or restyle a part of a song without altering the rest.
- 🎬 Audio storytelling — Modify voiceovers or sound effects within a fixed-length clip.
💰 Pricing
| Metric | Price |
|---|---|
| Per second of generated audio | $0.0002 / s |