MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517096047 A) filed by Orange, Issy-les-Moulineaux, France, on Oct. 6, for 'optimized processing for reducing channels of a stereophonic audio signal.'
Inventor(s) include Ragot, Stephane; Guerin, Alexandre; and Lefort, Arnaud.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a processing method for reducing channels of a stereophonic signal to obtain a monophonic signal, comprising the following: - application (610, 611), to a current frame of said signal, of two (T1 or T2, T3) channel-reducing processing operations, one of the processing operations using filtering with re-phasing on at least one of the channels of the stereophonic signal and the other processing operation not using filtering with re-phasing, - selection (612) of one of said processing operations to be applied to the current frame, said selection being implemented depending on: - the presence or absence of at least one transient in the stereophonic signal, or - a quality level of the filtering of the stereophonic signal used when implementing the processing operation using filtering of the stereophonic signal. The invention also relates to a processing device for reducing channels implementing the method."
The patent application was internationally filed on Apr. 10, 2024, under International application No.PCT/EP2024/059645.
Disclaimer: Curated by HT Syndication.
