FACTORIAL PACKING METHOD AND APPARATUS FOR INFORMATION CODING

PROBLEM TO BE SOLVED: To provide an improved method and apparatus for allowing efficient coding of a plurality of pulse position tracks. SOLUTION: A speech coder takes advantage of the fact that any given pulse combination can be uniquely described by the following four properties: number of degener...

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Hauptverfasser:	PENG WEIMIN, ASHLEY JAMES PATRICK, ZENO EDGARDO MANUEL CRUZ
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MUSICAL INSTRUMENTS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION TELEPHONIC COMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an improved method and apparatus for allowing efficient coding of a plurality of pulse position tracks. SOLUTION: A speech coder takes advantage of the fact that any given pulse combination can be uniquely described by the following four properties: number of degenerate pulses, signs of pulses, positions of pulses, and pulse magnitudes. In accordance with the invention, a four-stage iterative classification of the pulse combinations, where each stage groups the pulse combinations by one of these four properties, is performed. The process starts with the number of pulses and then determines the total number of possible sign combinations, pulse position combinations, and pulse magnitude combinations. COPYRIGHT: (C)2011,JPO&INPIT