Mirelo SFX
Mirelo SFX is an AI-powered video-to-sound effects solution that brings videos to life with synchronized, realistic audio. Users can generate sound effects, Foley, and ambience that match their footage while preserving dialogue, removing unwanted audio, and keeping sound consistent across cuts. Instead of searching for, trimming, and syncing individual effects, users can upload a video and automatically generate footsteps, impacts, environmental sounds, and other audio elements that land exactly where they should. The model reads visible action, timing, and environment to synchronize sounds with on-screen events. Its speech preservation technology separates dialogue from the original clip and retains it while generating new effects and ambience, allowing users to remove unwanted background music without losing speech. For multi-clip projects, it maintains consistent audio across transitions, making stitched edits sound like one continuous scene.
Learn more
Grok Imagine Video 1.5
Grok Imagine Video 1.5 is xAI’s improved image-to-video model, built for better quality at faster speeds. Now generally available on the Imagine API as grok-imagine-video-1.5, it gives creators and developers a way to start from an image, describe the motion, and choose the resolution and duration for the generated video. Grok Imagine Video 1.5 and Video 1.5 Fast are described as xAI’s best image-to-video models yet, with better motion, better physics, better audio, and faster generation for real creative work. Audio and speech are generated in the same pass as the visuals, so sound effects, ambience, and dialogue land on the action, while speech is clearer and better synchronized. Motion and physics are also improved, helping movement hold together across the length of a clip with fewer warps and more believable weight and momentum. Grok Imagine Video 1.5 Fast almost doubles generation speed, producing 6-second, 720p videos in about 25 seconds.
Learn more
Pika Soundtrack
Pika Soundtrack is a video-to-audio model that turns silent video into a native soundtrack complete with motion-aware sound effects, music, ambience, and voiceover that follow what happens on screen. Users can leave the prompt blank to generate a full soundscape automatically or provide direction specifying what the model should emphasize, include, or leave out. Rather than simply generating sound with video attached, the model is designed to understand what is happening in a scene, place each sound at the right moment, and keep every audio layer coherent throughout the full video. This synchronization approach allows sound effects, ambience, music, and speech to feel as though they belong naturally within the same scene. Pika reports that, in its full-duration benchmark, Soundtrack achieved the strongest semantic alignment and lowest audiovisual desynchronization among the models tested, including LTX-2.3 Foley V2A, HunyuanVideo-Foley, and MMAudio v2.
Learn more
Mirelo AI
Mirelo AI is an AI-powered sound generation and editing platform designed to bring videos to life with synchronized, realistic audio. Users can upload their footage and automatically generate footsteps, impacts, Foley, ambience, and sound effects that match on-screen action, eliminating the need to search for, trim, and sync individual sounds manually. With Mirelo SFX 2.0, users can remove unwanted background music while preserving existing dialogue, generate clean sound around speech, and maintain consistent audio across multiple clips. It supports videos up to 10 minutes long, enabling users to create one coherent soundtrack for an entire edit. Its browser-based Studio provides tools to generate, extend, loop, replace, and refine audio, alongside custom background music generation and text-to-sound effects. Audio-to-MIDI functionality converts audio into editable MIDI and MusicXML files.
Learn more