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GENERATION API CALLS
Audio Generation

Mirelo

This page is auto-generated from model configurations. Last updated: 2026-11-02.

This reference lists all available Mirelo audio generation models and their parameters. Use these parameter names when calling the Generation API.


Generate sound effects from a text prompt, with several variations per run and control over duration

Model ID: model_mirelo-sfx-2-0-text-to-audio

Capabilities: txt2audio

LLM Markdown: https://app.scenario.com/api/models/model_mirelo-sfx-2-0-text-to-audio/markdown

Parameter Type Required Default Min Max Allowed Values Description
prompt string Yes - - - - Describe the sound you want to create β€” for example: β€˜Heavy rain on a metal roof with distant thunder’.
negativePrompt string No - - - - Sounds to keep out of the result, as a short comma-separated list.
duration number No 30 0.1 600 - Length of each sound, in seconds. Longer sounds cost more.
numOutputs number No 2 1 4 - Number of variations to generate. Each variation is billed separately.
audioFormat string No wav - - wav, mp3, aac, flac Format of the returned audio files.
seed number No - 0 2147483647 - Seed of the first variation, for reproducible results. Leave empty for a random seed.

Generate a soundtrack synchronized to a video β€” sound effects with optional speech preservation β€” and return it as audio tracks

Model ID: model_mirelo-sfx-2-0-video-to-audio

Capabilities: video2audio

LLM Markdown: https://app.scenario.com/api/models/model_mirelo-sfx-2-0-video-to-audio/markdown

Parameter Type Required Default Min Max Allowed Values Description
video file Yes - - - - The video to generate sound for. It must be at least 1 second long. Cost scales with the generated duration, which never exceeds the video length.
prompt string No - - - - Optional. Describe the kind of sound you want to guide the generation.
negativePrompt string No - - - - Sounds to keep out of the result, as a short comma-separated list.
preserveSpeech boolean No true - - - Keep the speech already in the video and generate the rest of the soundtrack around it. Turn off to generate sound effects only.
duration number No 10 1 600 - Seconds of sound to generate, clamped to the video length. Longer sounds cost more.
numOutputs number No 2 1 4 - Number of variations to generate. Each variation is billed separately.
audioFormat string No wav - - wav, mp3, aac, flac Format of the returned audio files.
seed number No - 0 2147483647 - Seed for reproducible results. Leave empty for a random seed.