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Nokia
Open-access content Tanya Weaver —
Tue 11 Jun 2024
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Nokia has made the first cellular call using the new 3GPP Immersive Voice and Audio Services (IVAS) codec, which enables users to hear 3D spatial sound in a fully immersive real-time experience.
Currently, calls via smartphones over a cellular network are monophonic: the audio is compressed into a single channel rendering the sounds flatter and less detailed.
However, Nokia has been working to change that with IVAS, a new voice and audio codec standardised by the 3rd Generation Partnership Project (3GPP), which brings together standards organisations to develop mobile protocols.
IVAS technology, which is part of the upcoming 5G Advanced standard, enables high-quality, live immersive audio across any connected device, including smartphones, tablets and PCs.
The technology enables a three-dimensional audio experience, which sounds as if the caller is actually there with you in real life.
Nokia CEO Pekka Lundmark demonstrated the technology for the first time in a phone call with Stefan Lindström, Finland's ambassador of digitalisation and new technologies.
The call was made from Nokia’s campus in Espoo using a regular smartphone over a public 5G network.
— Nokia (@nokia) June 10, 2024Nokia makes world’s first cellular call using new Immersive Voice and Audio Services (IVAS) codec. With the codec you can hear calls in 3D spatial sound in real-time instead of today’s monophonic experience.
Find out more here: https://t.co/O4rmuQ2a9I pic.twitter.com/HbcrmTKsPf
Lundmark, who was also present in the room when the first 2G call was made in 1991. said: "We have demonstrated the future of voice calls.
“This groundbreaking audio technology takes you to the caller’s environment, creating a spatial and massively improved listening experience for voice and video calls, offering significant benefits for enterprise and industrial applications.”
The 3GPP IVAS codec standard has been developed by a consortium of 13 companies under the framework of the IVAS codec public collaboration. Nokia has led the standardisation efforts and contributed major parts of the technology to the standard, including the development of a smartphone-specific format for the IVAS standard.
Nokia said that including this innovation in a worldwide standard is the key to enabling interoperability between operators, chipset and handset manufacturers, making spatial communication available for all.
The company aims to acquire licensing opportunities with the technology, which would likely take a few years to be available widely. When it does, it can be used for applications beyond phone calls to enterprise and industrial applications.
Lindström said: “The live immersive voice and audio experience enabled by IVAS improves the richness and quality of the call, and the three-dimensional sound experience makes interaction more lifelike and engaging, bringing a wealth of new benefits to personal and professional communication. Immersive communications technology will also take XR and metaverse interaction to the next level.”
For more information on the research behind IVAS, watch the video from Nokia below.
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