Standing on a box in the centre of Edinburgh to talk about research into hearing and hearing aids.

One way to find out how well hearing technology is working is to get people to try it out, whilst measuring the effort they are having to put in to listen, and the level of fatigue that is causing. But how does this work?

How does a network of CCTV cameras recognise the same person or vehicle moving around? And how can this work in poor lighting?

COG-MHEAR research was live on stage as part of the Cabaret of Dangerous Ideas at the Edinburgh Festival Fringe. Dr Dorothy Hardy found out how two audiences might like the hearing aids of the future to work in a show that included a giant pink and black multi-modal hearing aid.

Speech is made up of many elements, including spoken words, other noises, gestures and eye gaze. How can all this be captured in a recording?