A British woman suffering from motor neurone disease who lost her ability to speak is once again talking in her own voice thanks to artificial intelligence and a barely audible eight-second clip from an old home video.

Sarah Ezekiel, an artist, was left without the use of her voice after she was diagnosed at the age of 34 with MND while pregnant with her second child 25 years ago.

The condition, which progressively damages parts of the nervous system, can cause weakness of the tongue, mouth and throat muscles, leading some sufferers to lose their speech completely.

In the years after her diagnosis Ezekiel, from north London, was able to use a computer and voice generating technology to help her communicate, albeit in a voice that sounded nothing like her own.

She was also able to conti

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