I Hear You Twitch is a free Chrome add-on developed by Chih-Hsuan Fan. This add-on plays a sound whenever a new message comes in Twitch chat. It is designed to enhance the user experience by providing an audio cue for incoming messages.

The add-on supports every chatroom on the Twitch site and features a pleasant MSN "new message" sound. It is easy to install and requires a page reload to activate. Once installed, users can toggle the add-on on or off by clicking on the extension icon when they are on a page with a Twitch chatroom. The add-on also automatically toggles off when users navigate to other Twitch pages.

Overall, I Hear You Twitch is a simple and useful add-on for Twitch users who want an audio notification for new chat messages. It provides a straightforward solution for staying engaged in Twitch conversations.