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