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Science & Technology

Insanely realistic new AI voice is indistinguishable from a human

By T.K. Randall
March 5, 2025 · Comment icon 7 comments
Artificial Intelligence.
Where do we draw the line ? Image Credit: CC BY 2.0 Ecole polytechnique
Sesame has released a demo of its new AI voice and it has left the Internet both amazed and disturbed.
It wasn't that long ago that artificial intelligence still seemed like some distant futuristic technology, yet over the last few years we've seen AI advance in leaps and bounds beyond our wildest expectations.

One of the most noticeable things that has benefited from advances in AI is computer voice generation - something that was really rather limited until the advent of ChatGPT.

Gone are the monotone, Hawking-like computer voices capable only of direct responses to basic question and keywords - now we have conversational AI that feels like talking to a human.

Even that pales in comparison, however, to a brand new AI voice that technology firm Sesame revealed this week.

Designed to come across as authentic as possible, the AI can simulate every little nuance of human speech and sounds totally indistinguishable from a real human.
Not only does it add emotion to its responses, but it can pause, use "umms" and "errs", and you would be extremely hard pushed to tell that you were talking to a machine.

"At Sesame, our goal is to achieve 'voice presence' - the magical quality that makes spoken interactions feel real, understood, and valued," Sesame writes on its blog.

"We are creating conversational partners that do not just process requests; they engage in genuine dialogue that builds confidence and trust over time. In doing so, we hope to realize the untapped potential of voice as the ultimate interface for instruction and understanding."

You can watch a video of someone trying it out below.

If you are feeling brave enough, you can even talk to the live demo - here.



Source: Ars Technica | Comments (7)




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Recent comments on this story
Comment icon #1 Posted by MissJatti 14 days ago
Soon you cannot just blame ghosts for strange voices outside in the middle of the night lol
Comment icon #2 Posted by OverSword 14 days ago
I can't wait until I never have to speak to a real person ever again ?
Comment icon #3 Posted by Blue Star 14 days ago
No, it really doesn't. Not really, they really fail on certain words, not there yet. Try again.
Comment icon #4 Posted by zph 14 days ago
It unnaturally pauses way too much and its style of speak and tone easily gives away that it is AI.
Comment icon #5 Posted by Chaldon 14 days ago
Like every AI, at first glance it's just "wow", but after a while all of its repetitive patterns become so obvious that it turns from boring to irritating, with its clumsy attempts at "being human". An incredibly sophisticated talking parrot is still a talking parrot, it may simulate a billion patterns but they are all copies and there is no point behind their recombination. Once you being to follow its "logic" at some point you inevitably begin to see there is no actual logic, just copycatting. I guess all that is happening in this field is an amazing test of what conscience really is and wha... [More]
Comment icon #6 Posted by Cho Jinn 14 days ago
Pretty good; the pauses give it away, but add a Scarlett Johansen filter and I'd pay $1/month.
Comment icon #7 Posted by ercbreeze 14 days ago
Sounds amazing to me, even has the PAUSES that most of the women I speak with on the phone do.  Especially if they are trying to be witty and flirtatious.     


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