The Annotation Pro and Presenter Hub products from Williams AV allow the user to expand the capabilities of a presentation and video annotation system to include video annotation, wireless video and audio streaming, pairing of a mobile device for integrating phone and IP calling into an AV system.

Ampetronic are proud to be the strategic partner for Williams AV and distributor of presentation and annotation systems in the UK and distributor partner in Europe.

For UK customers please visit for more information on assistive listening or

For customers outside the UK please contact your local Williams AV Professional Audio dealer or visit

Caption Assist is an AI-based Real-time open captioning and text archiving system. Powered by Google’s artificial intelligence platform, Caption Assist has the ability to transcribe up to 27 languages and 70+ dialects with up to 94% accuracy.

As part of its Presentation and video annotation range, Williams AV are introducing the next generation of annotation systems with the Annotation PRO. This innovative system brings true 4K video and is designed for live annotation applications where high resolution imaging is required.

The Presenter HUB redefines presentation systems, allowing for remarkable ease of video integration into a meeting room. Its integrated video hub supports both wired USB and HDMI video components (cameras, computers and media players) and wireless mobile devices using Airplay, Chromecast and Miracast. Outputs include HDMI, supporting up to 4K, and a USB media port for connection to a PC/Mac, supporting video conferencing, lecture capture or other video software applications.

The Audio Presenter HUB builds on the functionality of the Presenter HUB by adding audio to the mix, delivering industry first, truly wireless, audio + video connectivity.

Real Time Language Translation – Convey Video: Williams AV is making inclusion easier for all with the new real-time, open captioning system with translation abilities, Convey Video. Through the power of AI, Convey has the ability to translate audio from up to 27+ languages and more than 70 dialects, and create live translated captions to overlay on a video.