The TVT Virtual Audio Device is a software-based audio driver primarily bundled with video surveillance client software developed by Shenzhen TVT Digital Technology. It acts as a digital bridge on your computer to route and manage audio signals, enabling features like two-way communication between your PC and TVT security cameras. Main Purpose and Functionality
Two-Way Audio Support: It allows you to transmit your PC microphone’s audio through TVT’s monitoring software directly to an IP camera or NVR speaker.
Hardware-Free Routing: It functions entirely as a digital loopback device, meaning it passes audio from one application to another inside Windows without requiring physical auxiliary cables.
System Recognition: Once the TVT software is installed, Windows treats this virtual device like a standard plug-and-play microphone or speaker, allowing it to appear in your system’s sound settings. Why is it on your computer?
If you recently noticed this device in your Windows sound menu, it was likely installed automatically in the background alongside one of the following programs:
NVMS (Network Video Management System): TVT’s desktop app for managing CCTV surveillance networks.
Web Plug-ins: Browser extensions required to view and interact with live security camera feeds.
If you no longer use TVT surveillance hardware or software, you can safely disable or uninstall this virtual driver via the Windows Device Manager under the “Sound, video and game controllers” section.
To help you troubleshoot or configure this further, could you share if this device is causing audio switching issues, or if you are trying to set up two-way talk for a security camera?
What is a Virtual Audio Device or VAD? – SteelSeries support
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