AUDIO ENCODER AND AUDIO DECODER WITH VOLUME AND PROGRAM BORDER METADATA Russian patent published in 2023 - IPC G10L19/16 

FIELD: audio signal processing: coding and decoding of audio data bit streams.

SUBSTANCE: audio signal processing device comprises: an input buffer, a bitstream parser that parses audio data; and a decoder that decodes the audio data, wherein the encoded audio bitstream is segmented into one or more frames, each frame containing: a sync information section containing a frame sync word, a bitstream information section, an optional additional bitstream information section located at the end of the bitstream information section. stream, up to six blocks of audio data following the bitstream information section, an auxiliary information section, an error correction word following the auxiliary information section, and one or more optional discard data fields containing any unused space remaining in the frame.

EFFECT: ensuring that there is no need for excessive processing of the audio signal, as a result, preventing deterioration and/or removal of characteristic features when playing audio data content.

7 cl, 11 dwg, 2 tbl