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ThinkSound: Video to Audio Generator

Generate, Edit, and Enhance High-Fidelity Audio & Sound Effects for Any Video with AI

ThinkSound AI is a state-of-the-art video to audio generator and AI sound effect platform. Instantly create, edit, and enhance professional soundtracks and sound effects for your videos using advanced multimodal AI and Chain-of-Thought reasoning. Perfect for creators, post-production, animation, and game development. Experience interactive, controllable, and high-quality audio generation from video, text, or audio input.

AI Video to Audio & Sound Effects Examples by ThinkSound

Explore how ThinkSound AI transforms videos from platforms like Hunyuan, Sora, and Seedance by adding high-fidelity soundtracks and intelligent sound effects. Instantly convert silent or AI-generated videos into immersive audio experiences with advanced video-to-audio synthesis and interactive AI sound design.

Caption
Gentle Sucking Sounds From the Pacifier
CoT Description
Begin by creating a soft, steady backgro...
Caption
Strings Humming and Buzzing Harmoniously, with Fingers Sliding and Pressing Strings.
CoT Description
Start with acoustic guitar strings hummi...
Caption
Ripping Paper
CoT Description
Start with a subtle tearing sound of pap...
Caption
Flickering and Humming of the Old TV Set
CoT Description
Start with ambient background noise that...
Caption
Playing Bongo
CoT Description
Generate a lively percussion track featu...
Caption
High-Pitched Scraping of the Tool Bit Against the Metal Rod
CoT Description
Begin with a high-pitched, sustained scr...

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ThinkSound: Video to Audio Generator & AI Sound Effects Online Demo

Try ThinkSound to instantly generate, edit, and enhance high-fidelity soundtracks and AI sound effects for any video. Powered by advanced multimodal AI and Chain-of-Thought reasoning, ThinkSound brings professional, context-aware audio and interactive sound design to your creative workflow. Experience state-of-the-art video-to-audio synthesis and AI sound effect generation online!

How to get the best results 🌟

Basic approach:

  • •Upload your video file to the demo interface
  • •Add a simple caption describing the scene or action
  • •Let ThinkSound automatically generate matching audio

Advanced control:

  • •Use detailed prompts to specify exact sound requirements
  • •Describe audio layers, timing, and mood in detail
  • •Fine-tune parameters for optimal quality and creativity

Due to limited server resources, this page is for testing purposes only and stability is not guaranteed. For more features and better user experience, please visit Playground.

What is ThinkSound?

What is Any2Audio Generation?

Any2Audio generation refers to the ability to create high-quality audio and sound effects from any input modality—video, text, or audio. ThinkSound leverages multimodal AI to analyze visual, textual, and audio cues, generating context-aware, temporally aligned soundtracks and effects. This technology empowers users to transform silent or AI-generated videos into engaging, professional audio experiences with ease.

Introducing ThinkSound: Advanced Video-to-Audio Synthesis Model

ThinkSound is a state-of-the-art video-to-audio synthesis model that adds vivid, realistic soundtracks and intelligent sound effects to any video. By utilizing deep learning and CoT reasoning, ThinkSound analyzes scenes, actions, and environments to generate temporally consistent, context-matched audio. Users can further customize the generated sound with text prompts, enabling creative control for film, animation, gaming, and more. ThinkSound is available online for instant demo and integration, making professional audio generation accessible to everyone.

What is thinksound

How to Use ThinkSound AI Video-to-Audio & Sound Effects

Follow these steps to generate, edit, and enhance high-fidelity soundtracks and AI sound effects for any video, text, or audio with ThinkSound.

1

Upload or Select Your Input

Start by uploading your video, audio, or entering a text description. ThinkSound supports multiple modalities, enabling Any2Audio generation for a wide range of creative needs.

2

Set Your Audio Preferences

Customize the audio generation in ThinkSound with prompts (Caption，CoT Description). You can also let the model automatically generate audio based on your content.

3

Generate Audio with AI

Click the "Generate" button. ThinkSound will analyze your input using advanced multimodal AI and Chain-of-Thought reasoning, creating a context-aware, high-fidelity soundtrack and sound effects that match your content.

4

Preview, Edit, and Refine

Listen to the generated audio. Use ThinkSound’s interactive editing features to refine or modify specific sound events—such as clicking on video objects or adjusting with text instructions—until you achieve the desired result.

5

Download and Integrate

Download your high-quality audio or sound effects. Integrate them into your video projects, games, animations, or share directly. ThinkSound makes professional AI-powered sound design accessible to everyone.

Key Features of ThinkSound AI Video-to-Audio

Discover the advanced features that make ThinkSound AI a leading solution for Any2Audio generation, AI sound effects, and interactive audio editing.

Unified Any2Audio Generation

ThinkSound enables you to generate high-fidelity audio and sound effects from any modality—video, text, audio, or their combinations. ThinkSound's unified framework supports seamless audio creation for diverse creative needs.

State-of-the-Art Video-to-Audio Synthesis

Achieve SOTA results on multiple video-to-audio benchmarks with ThinkSound. The platform delivers professional, context-aware soundtracks and immersive soundscapes for your videos, animations, and games.

CoT-Driven Reasoning for Controllable Sound

Leverage Chain-of-Thought (CoT) reasoning powered by Multimodal Large Language Models (MLLMs) in ThinkSound for compositional, controllable, and intelligent audio generation and editing.

Interactive Object-Centric Editing

With ThinkSound, you can refine or edit specific sound events by clicking on visual objects or using text instructions. Enjoy intuitive, object-centric sound design and editing workflows.

Customizable Prompts & Sound Effects

Use detailed prompts and negative prompts in ThinkSound to guide the generation of cinematic, realistic, or creative AI sound effects. Fine-tune every aspect of your sound output for maximum creative control.

High-Fidelity & Professional Results

ThinkSound delivers high-fidelity, professional-grade soundtracks and effects, making it ideal for creators, post-production, animation, and game development.

Instant Online Demo & Easy Integration

Experience ThinkSound instantly online or integrate it into your workflow via API. Enjoy fast, scalable, and accessible AI-powered audio generation and editing with ThinkSound.

Multiple Scenarios Supported

ThinkSound is perfect for video creators, marketers, educators, and developers who want to use AI to create sound effects, generate audio from video, or build innovative multimedia experiences.

Who Uses ThinkSound AI Video-to-Audio

🎬

Video Creators & Filmmakers

Effortlessly add high-fidelity soundtracks and AI-generated sound effects to silent, raw, or AI-generated video footage. Perfect for YouTube, TikTok, short films, vlogs, and cinematic projects seeking professional audio without manual sound design.

🎮

Animators & Game Developers

Automatically generate immersive, context-aware audio for animation sequences, cutscenes, and gameplay videos. Enhance storytelling and player experience with realistic or creative AI sound effects and interactive editing.

📈

Content Marketers & Social Media Managers

Boost engagement on social media by making videos more dynamic and professional. ThinkSound AI helps brands and agencies quickly create scroll-stopping content with custom or auto-generated soundtracks and effects.

📚

Educators & Online Instructors

Make educational videos, tutorials, and e-learning content more engaging and memorable by adding relevant sound effects and background audio, all generated automatically from video, text, or audio input.

🎨

Visual Artists & Designers

Bring digital art, storyboards, and motion graphics to life with synchronized soundtracks and effects. Experiment with creative prompts and CoT-driven reasoning to match unique visual styles.

💼

Businesses & Entrepreneurs

Create product demos, explainer videos, and promotional content with professional, AI-powered sound—no need for expensive audio production. ThinkSound streamlines the workflow for any business video.

🧑‍💻

Researchers & Developers

Leverage ThinkSound’s unified Any2Audio framework and API for multimodal audio generation, dataset creation, and innovative AI research in audio, vision, and language.

Frequently Asked Questions about ThinkSound AI Video-to-Audio

Have another question? Contact us at support@thinksound.ai

What is ThinkSound AI?

ThinkSound AI is a state-of-the-art Any2Audio generation platform that uses advanced multimodal large language models (MLLMs) and Chain-of-Thought (CoT) reasoning to generate, edit, and enhance high-fidelity soundtracks and AI sound effects from video, text, or audio.

How does ThinkSound generate audio from video or other modalities?

ThinkSound analyzes your input—video, text, or audio—using deep learning and CoT reasoning. It generates context-aware, temporally aligned soundtracks and sound effects, making silent or AI-generated videos instantly immersive and professional.

What types of sound can ThinkSound AI create?

ThinkSound can generate a wide range of sound effects and soundtracks, including environmental sounds, action cues, ambient music, and custom audio based on your prompts. It is ideal for films, social media, games, animation, and more.

Do I need audio editing experience to use ThinkSound?

No audio editing skills are required. Simply upload your video, audio, or enter a text description, set your preferences (such as prompt, negative prompt, and duration), and ThinkSound will automatically generate and synchronize the audio for you.

Can I customize the generated audio?

Yes! ThinkSound allows you to control the audio generation process with prompts (CoT Description), negative prompts, and interactive editing. You can refine or modify specific sound events by clicking on video objects or using text instructions.

What are the main use cases for ThinkSound AI?

ThinkSound is perfect for video creators, animators, game developers, marketers, educators, researchers, and anyone who needs to add professional sound effects or soundtracks to visual or multimodal content.

Is ThinkSound AI suitable for commercial projects?

Yes! ThinkSound AI is designed for both personal and commercial use, supporting content creation, marketing, e-learning, entertainment, research, and more. The generated audio is high-quality and ready for professional applications.

How can I try ThinkSound AI?

You can try ThinkSound instantly online via the official demo on Hugging Face Spaces, or integrate it into your workflow using the provided API and scripts. For more details, visit the official GitHub repository.

Start Instantly with ThinkSound AI Video-to-Audio & Sound Effects Generator

Transform your videos with high-fidelity soundtracks and intelligent AI sound effects in seconds. ThinkSound leverages state-of-the-art multimodal AI to generate, edit, and enhance audio from any video, text, or audio input—no experience required.