Digitalsignalkodiergerät

This invention relates to a digital signal encoding apparatus in which the width of the range (B3,B4) is selected to be wider for the higher frequency range of the digital signals divided into a plurality of regions (B1,B2,B3,B4) and in which the encoded signals are synthesized for the respective ra...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIGUCHI, MASAYUKI, SHINAGAWA-KU, TOKYO, JP, AKUNE, MAKOTO, SHINAGAWA-KU, TOKYO, JP, UMEZAWA, TOMOKO, SHINAGAWA-KU, TOKYO, JP, IWAHASHI, NAOTO, SHINAGAWA-KU, TOKYO, JP, AKAGIRI, KENZO, SHINAGAWA-KU, TOKYO, JP, FUJIWARA, YOSHIHITO, SHINAGAWA-KU, TOKYO, JP
Format:	Patent
Sprache:	ger
Schlagworte:	ACOUSTICS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY 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:	This invention relates to a digital signal encoding apparatus in which the width of the range (B3,B4) is selected to be wider for the higher frequency range of the digital signals divided into a plurality of regions (B1,B2,B3,B4) and in which the encoded signals are synthesized for the respective ranges, wherein encoding is controlled as a function of the output detecting the characteristics of the components of the divided frequency ranges and the detection time interval is selected to be longer for the lower frequency to enable more efficient encoding to be performed as a function of the properties of input digital signals.