The ISO/IEC MPEG-2 Audio NBC (Non-Backwards Compatible) audio coding work was started to provide MPEG-2 with the best audio quality at low bit rates without any restriction due to compatibility requirements. This paper describes the main features of the NBC advanced coding system (CD 13818-7). NBC combines the coding efficiency of a high-resolution filterbank, prediction techniques, and Huffman coding with additional functionalities aimed at delivering broadcast quality at very low bit rates (64 kb/s/channel).

Authors: Bosi, Marina; Brandenburg, Karlheinz; Quackenbush, Schuyler; Fielder, Louis; Akagiri, Kenzo; Fuchs, Hendrik
Affiliations: Dolby Laboratories, San Francisco, CA ; FhG-IIS, Erlangen, Germany ; AT&T Laboratories, Murray Hill, NJ ; Sony Corporation, Tokyo, Japan ; University of Hannover, Hannover, Germany LucentTechnologies Bell Laboratories, Murray Hill, NJ(See document for exact affiliation information.)
AES Convention: 101 (November 1996) Paper Number: 4382
Publication Date: November 1, 1996
Subject: Low Bit-Rate Audio Coding

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