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This video shows how University of Huddersfield experts have helped preserve the stories of Holocaust survivors for future generations thanks to virtual technology.

The scheme, called Interact, sees survivors provide testimony and respond to questions from future generations using new technology - and live on to tell their stories of Nazi persecution and death camps even after they have died.

Projected in 3D, they will give their personal testimony and then be capable of realistically interacting with the audience by responding to a huge variety of questions, using technology named ECA (Embodied Conversational Agent).

It is all made possible by conducting 3D HD video recording sessions with survivors , including their responses to hundreds of the questions deemed most likely to be asked.

A computer can instantly detect and analyse the spoken question, so that the virtual survivor provides the appropriate response. The technology known as “mixed reality” ensures high levels of realism.

And University of of Huddersfield academic Prof Minhua Ma is playing a leading role in the scheme.

"The purpose is to provide audiences with the rich experience of a human interaction,” said Prof Ma.

"And it means that in the future, when all the survivors have passed away, we can keep this experience and help future generations better understand the history ."