KR100923300B1 - 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 - Google Patents

대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 Download PDF

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KR100923300B1
KR100923300B1 KR1020030017977A KR20030017977A KR100923300B1 KR 100923300 B1 KR100923300 B1 KR 100923300B1 KR 1020030017977 A KR1020030017977 A KR 1020030017977A KR 20030017977 A KR20030017977 A KR 20030017977A KR 100923300 B1 KR100923300 B1 KR 100923300B1
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South Korea
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audio data
band
encoding
base layer
information
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KR1020030017977A
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English (en)
Korean (ko)
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KR20040086878A (ko
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김중회
김상욱
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삼성전자주식회사
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Priority to KR1020030017977A priority Critical patent/KR100923300B1/ko
Priority to CNB031650317A priority patent/CN1290078C/zh
Publication of KR20040086878A publication Critical patent/KR20040086878A/ko
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G10L19/0216—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation using wavelet decomposition
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020030017977A 2003-03-22 2003-03-22 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 KR100923300B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020030017977A KR100923300B1 (ko) 2003-03-22 2003-03-22 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
CNB031650317A CN1290078C (zh) 2003-03-22 2003-09-17 采用带宽扩展技术编码和/或解码音频数据的方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030017977A KR100923300B1 (ko) 2003-03-22 2003-03-22 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치

Publications (2)

Publication Number Publication Date
KR20040086878A KR20040086878A (ko) 2004-10-13
KR100923300B1 true KR100923300B1 (ko) 2009-10-23

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KR1020030017977A KR100923300B1 (ko) 2003-03-22 2003-03-22 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치

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KR (1) KR100923300B1 (zh)
CN (1) CN1290078C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101288117B (zh) * 2005-10-12 2014-07-16 三星电子株式会社 对音频数据和扩展数据进行编码/解码的方法和设备
FR2947945A1 (fr) * 2009-07-07 2011-01-14 France Telecom Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques
CN103165135B (zh) * 2013-03-04 2015-03-25 深圳广晟信源技术有限公司 一种数字音频粗分层编码方法和装置
CN111462767B (zh) * 2020-04-10 2024-01-09 全景声科技南京有限公司 音频信号的增量编码方法及装置
CN112104952B (zh) * 2020-11-19 2021-05-11 首望体验科技文化有限公司 应用于720度球幕全景影院的全景声音频系统
CN112669860B (zh) * 2020-12-29 2022-12-09 北京百瑞互联技术有限公司 一种增加lc3音频编解码有效带宽的方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
KR19980079475A (ko) * 1997-04-02 1998-11-25 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법 및 장치
WO1998057436A2 (en) * 1997-06-10 1998-12-17 Lars Gustaf Liljeryd Source coding enhancement using spectral-band replication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
KR19980079475A (ko) * 1997-04-02 1998-11-25 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법 및 장치
WO1998057436A2 (en) * 1997-06-10 1998-12-17 Lars Gustaf Liljeryd Source coding enhancement using spectral-band replication
WO1998057436A3 (en) * 1997-06-10 2000-02-10 Lars Gustaf Liljeryd Source coding enhancement using spectral-band replication

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Publication number Publication date
CN1532809A (zh) 2004-09-29
KR20040086878A (ko) 2004-10-13
CN1290078C (zh) 2006-12-13

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