Video
Kling Video to Audio
Generate a soundtrack for an existing video with Kling Video to Audio.
- video to audio
Sign in to create. Review the credit cost in the studio before running.
Catalog preview for Kling Video to Audio. Review your own result before publishing.
A starting point.
Describe scene-specific sound effects and music separately. This operation supplies sound for a clip rather than reading a narration script.
Before you publish.
Listen for alignment with visible actions and sudden level changes. Check whether music masks important effects.
Review the quote before running. A failed generation releases its reserved credits. Download the results you want to keep; stored media is retained for 30 days.
Settings and model questionsCheck the available settings and guidance when preparing your input.
Inputs and settings
Provide video_url. Official input guidance specifies MP4/MOV, 3–20 seconds and a file no larger than 100 MB.
sound_effect_prompt and background_music_prompt each allow 200 characters. Use asmr_mode when seeking detailed effects, then review the actual mix.
Inputs, all modes and APIModel IDs, current input limits and the API generation workflow.
Supported inputs
These fields come from the current studio form for kling-video/video-to-audio. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
video_url | Text | Required | — |
asmr_mode | On/off | Optional | — |
background_music_prompt | Text | Optional | Max. characters: 200 |
sound_effect_prompt | Text | Optional | Max. characters: 200 |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Use Kling Video to Audio through the API.
Start with this model ID for the endpoint featured on this page:
kling-video/video-to-audio
Input requirements belong to this model ID. Check a different mode’s schema separately when switching modes.
Check the current model schema for supported inputs and options. Other tasks may use different model IDs.
From quote to result.
Request a credit quote for your input and settings before submitting a generation. A sample output or the price of another model is not a quote for your request.
Follow the generation workflow, then poll the job for its status and result. The API and studio use the same balance.