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Industry: Email Alert RSS FeedAudio algorithms vie for MPEG nod; complexity makes ASICs the likely implementation of early winner.
EDN, June, 1990 by Martin, S. Louis
Audio algorithms vie for MPEG nod STOCKHOLM, SWEDEN--Blindfolded evaluations begin here next month on the performance of 14 algorithms, including one from Philips' CD-I scheme, each hoping to become the audio compression standard of the Motion Picture Experts Group (MPEG). MPEG audio subcommittee chairman Hans Musmann, a professor of electrical engineering at Hanover University (Hanover, Federal Republic of Germany), reports that all the proposed algorithms fall within two broad classes: those that employ transform coding and those that employ sub-band coding.
Within the transform-coding class, the subcommittee is considering algorithms that employ overlapping and nonoverlapping blocks. Within the sub-band group, the subcommittee is considering those...
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