← All models Mirelo SFX2.0 sfx2.0
Text to Speech by Mirelo AI Generates synchronized soundtracks from an input video and returns them as audio files. Supports text guidance, negative prompts, multiple samples, preservation of existing speech, and selectable audio formats.
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. duration number Seconds of sound to generate, at least 1 s, clamped to the video's length. Over 10 s generates in 10 s windows. A video shorter than 1 s answers 400. video_urlrequired string Video URL to add sound to. num_samples integer Number of variations to generate. text_prompt — Optional text prompt guiding generation. negative_prompt — Sounds to keep out of the result, as a short comma-separated list. preserve_speech boolean Keep the speech in the input's audio and generate the rest of the soundtrack around it. False generates sound effects only and suppresses speech. upload_audio_format stringenum: wav, mp3, aac, flac Audio format to return
Output Field Type Description audio array Each generated soundtrack as an audio file, without the video model string
