Microsoft's Azure AI Speech lets Truecaller users create an AI assistant with their own voice

Truecaller, a caller ID app that can block and record calls, has teamed up with Microsoft to give its users a way to create an AI assistant that uses their own voice. The company originally introduced its AI assistant that can answer and screen calls for its users back in 2022. It already offers several voices to choose from, but the personal voice feature of Microsoft's Azure AI Speech gives users the capability to make a custom digital assistant that sounds like them. 

Users will have to record themselves reading a sentence giving Truecaller consent to use their voice. They'll also have to read a training script that the technology will then use to capture their speaking style to be able to create a convincing digital audio replica. When someone calls them, the assistant will then screen it and introduce itself as the "digital" version of the user. In the product demo presented by Truecaller Product Director and General Manager Raphael Mimoun, for instance, his assistant answered a call with: "Hi there! I'm digital Raphael Mimoun! May I ask who's calling?" After the caller responds, the assistant then asks if the call is urgent or if it can wait before pushing it through. 

"By integrating Microsoft Azure AI Speech’s personal voice capability into Truecaller, we've taken a significant step towards delivering a truly personalized and engaging communication experience," Mimoun said in a statement. That said, it could also feel unsettling, maybe even creepy, for callers to interact with a robotic version of their friend or colleague. 

Microsoft demonstrated Azure AI Speech's personal voice at Build this year, where it also revealed that digital creativity company Wondershare is integrating the new feature into its video editing tools. That will also allow Wondershare users to create an AI assistant using their voice, which they can then use to create audiobooks and podcasts. 

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