ThinkSound
AI audioThinkSound is a video-to-audio and AI sound effect generation platform based on multimodal AI and Chain-of-Thought (CoT) reasoning, supporting the generation of high-fidelity audio and sound effects (Any2Audio) from video, text, or audio inputs. Users can upload a video and add a short description of the scene or action to let the model automatically generate matching audio, or specify sound effect layers, timing, and emotion through detailed prompts. The platform provides an online demo and Playground, supporting interactive editing, such as clicking on video objects or using text instructions to adjust specific sound events. It is suitable for scenarios such as video creators, animation and game development, content marketing, education, design, and research. The page provides a free online trial entry, but the official statement notes that the demo page is for testing only due to limited server resources and stability is not guaranteed; more features require going to the Playground.