ENCODING METHOD AND APPARATUS, DECODING METHOD AND APPARATUS AND RECORDING MEDIUM

AN ENCODING METHOD AND APPARATUS AND A DECODINGS METHOD AND APPARATUS IN WHICH THE ENCODED INFORMATION IS DECREASED IN VOLUME AND IN WHICH THE ENCODING AND DECODING OPERATIONS ARE PERFORMED WITH A SMALLER PROCESSING VOLUME AND A SMALLER BUFFER MEMORY CAPACITY. THE APPARATUS INCLUDES A LOW RANGE SIGN...

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Bibliographische Detailangaben
Hauptverfasser:	OSAMU SHIMOYOSHI, KYOYA TSUTSUI
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS BROADCAST COMMUNICATION CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION TRANSMISSION
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Beschreibung
Zusammenfassung:	AN ENCODING METHOD AND APPARATUS AND A DECODINGS METHOD AND APPARATUS IN WHICH THE ENCODED INFORMATION IS DECREASED IN VOLUME AND IN WHICH THE ENCODING AND DECODING OPERATIONS ARE PERFORMED WITH A SMALLER PROCESSING VOLUME AND A SMALLER BUFFER MEMORY CAPACITY. THE APPARATUS INCLUDES A LOW RANGE SIGNAL SPLITTING CIRCUIT (261G,261H) FOR SEPARATING LOW-RANGE SIDE SIGNAL COMPONENTS (260C,260D) FROM LAND R CHANNEL SIGNALS (260A,260B) CONVERTED BY A TRANSFORM CIRCUIT INTO SPECTRAL SIGNAL COMPONENTS, AND A CHANNEL SYNTHESIS CIRCUIT (261E) FOR SYNTHESIZING (L+R) CHANNEL SIGNAL COMPONENTS FROM THE L AND R CHANNEL SPECTRAL SIGNAL COMPONENTS (260C,260D). THE APPARATUS ALSO INCLUDES A HIGH RANGE SIGNAL SEPARATING CIRCUIT (261F) FOR SEPARATING THE HIGH RANGE SIDE SIGNAL COMPONENTS (260H) FROM THE (L+R) CHANNEL SIGNAL COMPONENTS (260A,260B), A SIGNAL COMPONENT ENCODING CIRCUIT (261J,261K) FOR COMPRESSION-ENCODING LOW-RANGE SIDE SIGNAL COMPONENTS AND A SIGNAL COMPONENT ENCODING CIRCUIT (261I) FOR COMPRESSION-ENCODING THE NORMALIZATION COEFFICIENT INFORMATION OBTAINED ON NORMALIZATION OF THE (L+R) CHANNEL HIGH-RANGE SIGNAL COMPONENTS.