Open source audio talk web app

one qudio talk a live audio talk application where talk volume is set based upon content of conversation, thus if your talking about cats other users talking about cats will be heard loudest where everyone is on same audio channel this seperates content into what is most audible by result users per their content can talk clearly to others based upon their own content all other talk is at a lower volume where can be accessed based upon you varying your conversation to that topic thus the volume is then then higher on that content with your previous content on a medium volume users can easily have multiple conversations and enjoy talking to many people i would also like to have a reactive to audio motion graphic for the website that is the total extent of the UI similar to this shown where each user has a unique channel in the circle