AI will prompt smart columns where the user is

Carnegie Mellon University researchers have developed a machine learning model that estimates

The direction from which the user's voice comes.This will help devices avoid relying on special phrases and gestures that currently need to be spoken to devices. The method relies on the inherent properties of sound as it moves around a room.

AI knows that the loudest and clearest sound is alwaysaimed at a given subject. All other voice commands will sound quieter, delayed or muted. The model also understands that speech frequencies will vary depending on the direction you are in. The lower frequencies tend to be more omnidirectional.

This method does not require a lot of memory and sending sound data to the cloud, the researchers noted.

They added that to implement the systemit will take several more years. The team has already published the code in the public domain - any researchers can use it. With this system, a smart speaker can be asked to play music without using keywords. The device will also be able to respond to commands even if the user is in a different room.

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