KR102625143B1 - 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 - Google Patents

신호 부호화방법 및 장치와 신호 복호화방법 및 장치 Download PDF

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KR102625143B1
KR102625143B1 KR1020227012038A KR20227012038A KR102625143B1 KR 102625143 B1 KR102625143 B1 KR 102625143B1 KR 1020227012038 A KR1020227012038 A KR 1020227012038A KR 20227012038 A KR20227012038 A KR 20227012038A KR 102625143 B1 KR102625143 B1 KR 102625143B1
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band
unit
encoding
spectral
decoding
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KR20220051028A (ko
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성호상
콘스탄틴 오시포브
이 루
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삼성전자주식회사
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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
    • G10L19/0212—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
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/16—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (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)
KR1020227012038A 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 Active KR102625143B1 (ko)

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Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461940798P 2014-02-17 2014-02-17
US61/940,798 2014-02-17
KR1020167022489A KR102386738B1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
PCT/KR2015/001668 WO2015122752A1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

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KR102625143B1 true KR102625143B1 (ko) 2024-01-15

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KR1020247000605A Active KR102837715B1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
KR1020167022489A Active KR102386738B1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

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KR1020167022489A Active KR102386738B1 (ko) 2014-02-17 2015-02-17 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

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EP (1) EP3109611A4 (https=)
JP (1) JP6633547B2 (https=)
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CN (2) CN110176241B (https=)

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CN110867190B (zh) 2013-09-16 2023-10-13 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
CN110176241B (zh) * 2014-02-17 2023-10-31 三星电子株式会社 信号编码方法和设备以及信号解码方法和设备
KR20170037970A (ko) 2014-07-28 2017-04-05 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
CN111971902B (zh) * 2018-04-13 2024-03-29 日本电信电话株式会社 编码装置、解码装置、编码方法、解码方法、程序及记录介质
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
KR102857969B1 (ko) * 2019-06-17 2025-09-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 신호의존적 수 및 정밀도 제어가 가능한 오디오 인코더, 오디오 디코더 및 관련 방법 및 컴퓨터 프로그램
CN110992963B (zh) 2019-12-10 2023-09-29 腾讯科技（深圳）有限公司 网络通话方法、装置、计算机设备及存储介质
CN118296297B (zh) * 2024-03-27 2025-01-07 上海交通大学 一种针对冲击信号的解耦方法和系统

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US20030061055A1 (en) 2001-05-08 2003-03-27 Rakesh Taori Audio coding
US20130290003A1 (en) 2012-03-21 2013-10-31 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding high frequency for bandwidth extension
JP2014016625A (ja) 2008-01-04 2014-01-30 Dolby International Ab オーディオコーディングシステム、オーディオデコーダ、オーディオコーディング方法及びオーディオデコーディング方法
KR102386738B1 (ko) * 2014-02-17 2022-04-14 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

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KR100851970B1 (ko) * 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
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Also Published As

Publication number Publication date
KR20220051028A (ko) 2022-04-25
CN110176241B (zh) 2023-10-31
JP6633547B2 (ja) 2020-01-22
KR20160122160A (ko) 2016-10-21
KR102837715B1 (ko) 2025-07-22
CN106233112A (zh) 2016-12-14
EP3109611A4 (en) 2017-08-30
CN110176241A (zh) 2019-08-27
CN106233112B (zh) 2019-06-28
KR20240008413A (ko) 2024-01-18
KR102386738B1 (ko) 2022-04-14
EP3109611A1 (en) 2016-12-28
JP2017506771A (ja) 2017-03-09

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