The has addressed concerns raised by viewers about 's latest series.
The 98-year-old broadcasting legend appears on screen in his new wildlife series, Asia, marking a change from his recent voice-only narrations.
Known for shows such as Life on Earth and The Living Planet, Attenborough introduces this seven-part exploration of Asia's remarkable wildlife and landscapes directly from the Natural History Museum. In the introduction, he describes Asia as a continent that "holds more riches than any other."
The broadcaster and biologist said: "It covers almost a third of the land on Earth. In the south, stand vast forests. And to the north, lies an immense frozen wilderness.
"Much of the centre is dominated by deserts and at its heart are the world's highest mountains. Off the coast of this continent, stretches the richest seas on Earth.
"And that's not all. This is the most populous place on the planet. Here, animals live alongside humans in the most remarkable ways.
"If you think you've seen the best the natural world has to offer, there's nowhere else on Earth with so many untold stories. Welcome then, to Asia," he signed off as snippets from the upcoming series played over his narration.
However, fans were left concerned over his voice. "Anyone else confused as to why the voice of the amazing David Attenborough sounds different?" one fan questioned. "It's like it's been auto tuned? #Asia."
Another person agreed: "Yes! We are. It's not quite right, is it? It's definitely been tweaked in some way. To begin with I thought it was someone else narrating."
A third person added: "Definitely been tweaked." A fourth person wrote: "Agree. I also wonder if it's Ai, trained on 60 years of DA, and they've done it to see if we notice? It's too young, too sprightly, too high-pitched."
A fifth asked: "Why does Attenborough's voice on his new show, #Asia on BBC one sound like someone doing an Attenborough impression? Another fascinating show, but I wonder if his 98 year old voice has needed a bit of post-production?"
The BBC has confirmed that Attenborough provided all the vocal work for the show and that it aired exactly as recorded.
In a statement to Metro, a spokesperson for the corporation said: "No AI or auto-tune has been used on Sir David's voice, which was recorded in exactly the same way it has been for years."
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