MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202647087451 A) filed by Telefonaktiebolaget Lm Ericsson Publ on July 17, 2026, for Encoding And Decoding Of A Part Of An Audio Signal.
Inventors include Svedberg, Jonas; Sehlstedt, Martin; and Grosse, Leonhard.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: There is provided techniques for encoding a part of an audio signal. A method is performed by an audio encoder. The method comprises receiving an input vector comprising integer coefficients derived from said part of the audio signal. The method comprises building an encoder tree by noiselessly splitting the input vector into segments. Each of the segments is represented by a respective node in the encoder tree. Each of the nodes being a header to another node comprises a vector of sign information of segments represented by nodes being leaves of other nodes. The segments represented by nodes being leaves have a sign set to a fixed sign value. The method comprises encoding said part of the audio signal by enumerating the segments into a sequence of indices, with a unique index per segment.
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