WO2012177067A3 - 오디오 신호 처리방법 및 장치와 이를 채용하는 단말기 - Google Patents

오디오 신호 처리방법 및 장치와 이를 채용하는 단말기 Download PDF

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Publication number
WO2012177067A3
WO2012177067A3 PCT/KR2012/004925 KR2012004925W WO2012177067A3 WO 2012177067 A3 WO2012177067 A3 WO 2012177067A3 KR 2012004925 W KR2012004925 W KR 2012004925W WO 2012177067 A3 WO2012177067 A3 WO 2012177067A3
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WO
WIPO (PCT)
Prior art keywords
audio signal
interval
processing
transmission frame
terminal employing
Prior art date
Application number
PCT/KR2012/004925
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English (en)
French (fr)
Other versions
WO2012177067A2 (ko
Inventor
이남숙
Original Assignee
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Publication of WO2012177067A2 publication Critical patent/WO2012177067A2/ko
Publication of WO2012177067A3 publication Critical patent/WO2012177067A3/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
    • G10L19/008—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

오디오신호 처리방법은 파라미터 미전송 프레임에 대하여 트랜지언트 구간이 존재하는지를 판단하는 단계; 및 상기 파라미터 미전송 프레임이 트랜지언트 구간을 포함하는 경우, 상기 파라미터 미전송 프레임에서 상기 트랜지언트 구간을 기준으로 좌측 구간과 우측 구간에 대하여 서로 다른 파라미터 전송 프레임을 참조하여 업믹싱에 필요로 하는 파라미터를 추정하는 단계를 포함한다.
PCT/KR2012/004925 2011-06-21 2012-06-21 오디오 신호 처리방법 및 장치와 이를 채용하는 단말기 WO2012177067A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161499339P 2011-06-21 2011-06-21
US61/499,339 2011-06-21

Publications (2)

Publication Number Publication Date
WO2012177067A2 WO2012177067A2 (ko) 2012-12-27
WO2012177067A3 true WO2012177067A3 (ko) 2013-04-11

Family

ID=47423096

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/004925 WO2012177067A2 (ko) 2011-06-21 2012-06-21 오디오 신호 처리방법 및 장치와 이를 채용하는 단말기

Country Status (1)

Country Link
WO (1) WO2012177067A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003216188A (ja) * 2002-01-25 2003-07-30 Matsushita Electric Ind Co Ltd オーディオ信号符号化方法、符号化装置、及び記憶媒体
US20070179783A1 (en) * 1998-12-21 2007-08-02 Sharath Manjunath Variable rate speech coding
KR20090083070A (ko) * 2008-01-29 2009-08-03 삼성전자주식회사 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070179783A1 (en) * 1998-12-21 2007-08-02 Sharath Manjunath Variable rate speech coding
JP2003216188A (ja) * 2002-01-25 2003-07-30 Matsushita Electric Ind Co Ltd オーディオ信号符号化方法、符号化装置、及び記憶媒体
KR20090083070A (ko) * 2008-01-29 2009-08-03 삼성전자주식회사 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치

Also Published As

Publication number Publication date
WO2012177067A2 (ko) 2012-12-27

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