Sony Woosh - Longer videos

Workflow Overview This workflow is designed to generate sound effects, ambient audio, and scene-based audio for videos using the Sony Woosh video-to-audio model inside ComfyUI. Since Sony Woosh only supports short video inputs of up to 8 seconds, this workflow automatically divides longer videos into smaller sections called segments . Each segment is processed individually and later merged into a complete audio track synchronized with the original video. The workflow supports both automatic and fully manual generation modes: Automatic Mode is designed for simplicity and speed. The workflow automatically analyzes the video and generates prompts for each segment with minimal user interaction. Manual Mode gives full creative control over every segment, allowing you to define custom prompts, segment lengths, seeds, and audio behavior for dynamic or complex videos. The workflow also includes several utility systems to simplify the generation process: Automatic prompt generation using Qwen3.5 vision analysis Frame visualization tools for precise segment timing Audio preview nodes for testing segments before final rendering Source audio mixing options Optional dialog suppression using SAM3 masking This workflow is especially useful for: Silent videos AI-generated videos Videos requiring custom sound design Videos with no usable original audio The final result is a fully rendered video containing the generated Sony Woosh audio, optionally mixed with the original source audio depending on the selected mode. COMFYUI SECURITY ERROR FIX If you hit a security level error while trying to install the Woosh custom node from ComfyUI manager: You need to temporarily change the security level in your config.ini file. If you are using the portable version, the file is located at: ComfyUI/user/__manager/config.ini Change the value to: security_level = weak IMPORTANT: Do NOT forget to restore it back to its original value, you should restore it afterward for safety reasons. Perform a hard restart of ComfyUI (completely stop it, then start it again). Install the custom node using ComfyUI manager and double-check that it is the official one. The link should point to: https://github.com/Saganaki22/ComfyUI-Woosh Restart ComfyUI and check if the node works properly. Once everything is working properly, restore your original security level in the config.ini file and restart ComfyUI one final time. Detailed instructions are contained in the workflow itself: Red nodes are instructions and useful notes. Yellow nodes are configurable elements you can adjust to your needs.