JP6633547B2 - スペクトル符号化方法 - Google Patents

スペクトル符号化方法 Download PDF

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JP6633547B2
JP6633547B2 JP2016569544A JP2016569544A JP6633547B2 JP 6633547 B2 JP6633547 B2 JP 6633547B2 JP 2016569544 A JP2016569544 A JP 2016569544A JP 2016569544 A JP2016569544 A JP 2016569544A JP 6633547 B2 JP6633547 B2 JP 6633547B2
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unit
encoding
decoding
band
spectrum
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JP2017506771A (ja
JP2017506771A5 (https=
Inventor
ソン，ホ−サン
オシポフ，コンスタンティン
ル，イ
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority claimed from PCT/KR2015/001668 external-priority patent/WO2015122752A1/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
    • G10L19/0212—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
    • G10L19/02—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
    • G10L19/002—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
    • G10L19/04—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)
JP2016569544A 2014-02-17 2015-02-17 スペクトル符号化方法 Active JP6633547B2 (ja)

Applications Claiming Priority (3)

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

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JP2017506771A JP2017506771A (ja) 2017-03-09
JP2017506771A5 JP2017506771A5 (https=) 2018-03-29
JP6633547B2 true JP6633547B2 (ja) 2020-01-22

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JP2016569544A Active JP6633547B2 (ja) 2014-02-17 2015-02-17 スペクトル符号化方法

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EP (1) EP3109611A4 (https=)
JP (1) JP6633547B2 (https=)
KR (3) KR102386738B1 (https=)
CN (2) CN106233112B (https=)

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EP3614381A1 (en) * 2013-09-16 2020-02-26 Samsung Electronics Co., Ltd. Signal encoding method and device and signal decoding method and device
KR102386738B1 (ko) * 2014-02-17 2022-04-14 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
KR102742778B1 (ko) 2014-07-28 2024-12-16 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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US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
JP3685823B2 (ja) * 1993-09-28 2005-08-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US6717990B1 (en) * 2000-01-05 2004-04-06 General Dynamics Decision Systems, Inc. Communication system and method for multi-rate, channel-optimized trellis-coded quantization
US6847684B1 (en) * 2000-06-01 2005-01-25 Hewlett-Packard Development Company, L.P. Zero-block encoding
EP1395980B1 (en) * 2001-05-08 2006-03-15 Koninklijke Philips Electronics N.V. Audio coding
EP1798724B1 (en) * 2004-11-05 2014-06-18 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
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
JP4640020B2 (ja) * 2005-07-29 2011-03-02 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
US8527265B2 (en) * 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
BR122022013454B1 (pt) * 2009-10-20 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
MX340386B (es) * 2011-06-30 2016-07-07 Samsung Electronics Co Ltd Aparato y metodo para generar señal extendida de ancho de banda.
WO2013048171A2 (ko) * 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
KR20140085453A (ko) * 2011-10-27 2014-07-07 엘지전자 주식회사 음성 신호 부호화 방법 및 복호화 방법과 이를 이용하는 장치
WO2013141638A1 (ko) * 2012-03-21 2013-09-26 삼성전자 주식회사 대역폭 확장을 위한 고주파수 부호화/복호화 방법 및 장치
KR102386738B1 (ko) * 2014-02-17 2022-04-14 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
KR102742778B1 (ko) * 2014-07-28 2024-12-16 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치

Also Published As

Publication number Publication date
CN106233112B (zh) 2019-06-28
KR20160122160A (ko) 2016-10-21
KR20220051028A (ko) 2022-04-25
CN106233112A (zh) 2016-12-14
KR102386738B1 (ko) 2022-04-14
KR20240008413A (ko) 2024-01-18
JP2017506771A (ja) 2017-03-09
EP3109611A1 (en) 2016-12-28
KR102837715B1 (ko) 2025-07-22
CN110176241A (zh) 2019-08-27
EP3109611A4 (en) 2017-08-30
CN110176241B (zh) 2023-10-31
KR102625143B1 (ko) 2024-01-15

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