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Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING

MDCT 기반 음성/오디오 통합 부호화기의 LPC 잔차신호 부호화/복호화 장치
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Inventors
Beack Seung Kwon, Lee Tae Jin, Minje Kim, Kang Kyeongok, 박영철, 박호종, Jeongil Seo, Chieteuk Ahn, Jang Dae Young, Hong Jin Woo
Application No.
10-2015-0143021 (2015.10.13) KIPRIS
Publication No.
10-2015-0120920 (2015.10.28)
Registration No.
10-1666323-0000 (2016.10.07)
Country
KOREA
Project Code
08MR4800, Development of Next-Generation DTV Core Technology, Chieteuk Ahn
Abstract
MDCT 기반 음성/오디오 통합 부호화기의 LPC 잔차신호 부호화/복호화 장치가 개시된다. LPC 잔차신호 부호화 장치는, 입력 신호의 특성을 분석하여 LPC 필터링된 신호의 부호화 방법을 선택하고, 실수 필터뱅크(real filterbank), 복소 필터뱅크(complex filterbank), 및 ACELP(Algebraic code excited linear prediction) 중 하나에 기초하여 상기 LPC 잔차신호를 부호화한다.
KSP Keywords
Audio coding, Discrete cosine, Discrete cosine Transform, Encoding and decoding, Linear prediction, Modified Discrete Cosine Transform(MDCT), Residual signal, Speech and Audio Coding, Unified Speech and Audio Coding(USAC), code excited, code excited linear prediction, cosine transform
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패밀리 특허 목록
Status Patent Country KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered ENCODING AND DECODING APPARATUS FOR LINEAR PREDICTIVE CODER RESIDUAL SIGNAL OF MODIFIED DISCRETE COSINE TRANSFORM BASED UNIFIED SPEECH AND AUDIO CODING KOREA KIPRIS
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT) BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT) BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES
Registered LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT) BASED UNIFIED VOICE/AUDIO ENCODING DEVICE UNITED STATES