Intellectual Property India Publishes Patent Application for Processing Of Captured Multi-Channel Audio To Mitigate The Problem Of Acoustic Echo

MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202544019040 A) filed by Nokia Technologies Oy on March 04, 2025, for Processing Of Captured Multi-Channel Audio To Mitigate The Problem Of Acoustic Echo.

Inventors include Miikka Tapani Vilermo; and Jorma Juhani Mkinen.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: ABSTRACT PROCESSING OF CAPTURED MULTI-CHANNEL AUDIO TO MITIGATE THE PROBLEM OF ACOUSTIC ECHO 5 An apparatus comprising means for: rendering a received output audio signal via at least one audio output; locally capturing multi-channel input audio, wherein the multi-channel input audio comprises multiple audio input channels comprising at least: 10 a first audio input channel comprising audio captured at a first microphone; and a second audio input channel comprising audio captured at a second microphone; and processing the multi-channel input audio to produce a multi-channel input audio signal representing local captured audio, wherein processing the multi-channel input audio 15 comprises suppressing spatiality of an acoustic echo wherein suppressing the spatiality of an acoustic echo comprises de-localizing a sound source representing the acoustic echo

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