US Patent Issued to Telefonaktiebolaget LM Ericsson on Feb. 24 for "Noise suppression logic in error concealment unit using noise-to-signal ratio" (Swedish Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,174, issued on Feb. 24, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Noise suppression logic in error concealment unit using noise-to-signal ratio" was invented by Chamran Moradi Ashour (Stockholm), Erik Norvell (Upplands Vasby, Sweden) and Martin Sehlstedt (Lulea, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a decoder for generating concealment audio frame of an audio signal. The method includes performing a frequency domain analysis of a sequence of previously decoded audio signal to obtain a frequency spectrum and identifying peaks in the spectrum. The method further includes estimating a relative ene...