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Registered METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING ADAPTIVE SINUSOIDAL CODING

적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치
이미지 확대
Inventors
Lee Mi Suk, Bae Hyun Joo, Lee Byung Sun
Application No.
14315964 (2014.06.26)
Publication No.
20140310007 (2014.10.16)
Registration No.
9251799 (2016.02.02)
Country
UNITED STATES
Project Code
08MC3400, Study on Acoustic Convergence Codec and its Control Technology for FMC, Lee Byung Sun
Abstract
A method and an apparatus for encoding and decoding audio signals using adaptive sinusoidal coding are provided. The audio signal encoding method includes the steps of dividing a synthesized audio signal into a plurality of sub-bands, calculating the energy of each sub-band, selecting a predetermined number of sub-bands having a relatively large amount of energy from the sub-bands, and performing sinusoidal coding with regard to the selected sub-bands. Application of sinusoidal coding based on consideration of the amount of energy of each sub-band of the synthesized signal improves the quality of the synthesized signal more efficiently.
KSP Keywords
Audio signal, Encoding and decoding, Encoding method, sub-band
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패밀리 특허 목록
Status Patent Country KIPRIS
Registered METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING ADAPTIVE SINUSOIDAL PULSE CODING KOREA KIPRIS
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Registered METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING ADAPTIVE SINUSOIDAL PULSE CODING JAPAN
Registered Method and Apparatus for Encoding and Decoding Audio Signal using Adpative Sinusoidal Pulse Coding CHINA
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