KR101435893B1 - 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치 - Google Patents

대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치 Download PDF

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KR101435893B1
KR101435893B1 KR1020070086337A KR20070086337A KR101435893B1 KR 101435893 B1 KR101435893 B1 KR 101435893B1 KR 1020070086337 A KR1020070086337 A KR 1020070086337A KR 20070086337 A KR20070086337 A KR 20070086337A KR 101435893 B1 KR101435893 B1 KR 101435893B1
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South Korea
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signal
frequency band
encoding
unit
domain
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KR1020070086337A
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Korean (ko)
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KR20080027129A (ko
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오은미
주기현
김중회
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삼성전자주식회사
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Priority to PCT/KR2007/004653 priority Critical patent/WO2008035949A1/en
Priority to CN200780035230XA priority patent/CN101518083B/zh
Priority to US11/902,650 priority patent/US20080077412A1/en
Publication of KR20080027129A publication Critical patent/KR20080027129A/ko
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Publication of KR101435893B1 publication Critical patent/KR101435893B1/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
    • G10L19/02—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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020070086337A 2006-09-22 2007-08-28 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치 KR101435893B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/KR2007/004653 WO2008035949A1 (en) 2006-09-22 2007-09-21 Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
CN200780035230XA CN101518083B (zh) 2006-09-22 2007-09-21 通过使用带宽扩展和立体声编码对音频信号编码和/或解码的方法和系统
US11/902,650 US20080077412A1 (en) 2006-09-22 2007-09-24 Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20060092459 2006-09-22
KR1020060092459 2006-09-22

Publications (2)

Publication Number Publication Date
KR20080027129A KR20080027129A (ko) 2008-03-26
KR101435893B1 true KR101435893B1 (ko) 2014-09-02

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KR1020070086337A KR101435893B1 (ko) 2006-09-22 2007-08-28 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치

Country Status (2)

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KR (1) KR101435893B1 (zh)
CN (1) CN101518083B (zh)

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US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
CA3162807C (en) 2009-01-16 2024-04-23 Dolby International Ab Cross product enhanced harmonic transposition
KR101622950B1 (ko) 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
AU2011237882B2 (en) 2010-04-09 2014-07-24 Dolby International Ab MDCT-based complex prediction stereo coding
KR101697550B1 (ko) 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
TWI546799B (zh) * 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
KR20190134821A (ko) * 2013-04-05 2019-12-04 돌비 인터네셔널 에이비 스테레오 오디오 인코더 및 디코더
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
EP3293734B1 (en) * 2013-09-12 2019-05-15 Dolby International AB Decoding of multichannel audio content
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
CN106960672B (zh) * 2017-03-30 2020-08-21 国家计算机网络与信息安全管理中心 一种立体声音频的带宽扩展方法与装置
CN109599123B (zh) * 2017-09-29 2021-02-09 中国科学院声学研究所 基于遗传算法优化模型参数的音频带宽扩展方法及系统
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WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function

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CN101518083B (zh) 2012-11-14
KR20080027129A (ko) 2008-03-26
CN101518083A (zh) 2009-08-26

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