APPARATUS FOR ENCODING/DECODING MULTICHANNEL SIGNAL AND METHOD THEREOF

Disclosed is an apparatus for encoding/decoding a multichannel signal. The apparatus for encoding/decoding a multichannel signal: transforms a phase of a multichannel signal by considering a characteristic of the multichannel signal; and generates an encoded bitstream for the multichannel signal by...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, MI YOUNG, SHIM, HWAN, OH, EUN MI, POROV ANTON V
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ACOUSTICS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE 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 STEREOPHONIC SYSTEMS
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Beschreibung
Zusammenfassung:	Disclosed is an apparatus for encoding/decoding a multichannel signal. The apparatus for encoding/decoding a multichannel signal: transforms a phase of a multichannel signal by considering a characteristic of the multichannel signal; and generates an encoded bitstream for the multichannel signal by using a downmix signal and a residual signal extracted from the multichannel signal having the transformed phase. According to the present invention, the apparatus for encoding/decoding a multichannel signal can compensate a loss generated in downmix. 멀티 채널 신호의 부호화/복호화 장치가 개시된다. 멀티 채널 신호의 부호화 장치는 멀티 채널 신호의 특성을 고려하여 멀티 채널 신호의 위상을 변형시킨다. 위상이 변형된 멀티 채널 신호에서 추출된 다운믹스 신호와 잔여 신호를 이용하여 멀티 채널 신호에 대한 부호화된 비트스트림을 생성한다.