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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Publication number
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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Japanese (ja)
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JP2017506771A5 (enrdf_load_stackoverflow
JP2017506771A (ja
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

Publications (3)

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

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EP (1) EP3109611A4 (enrdf_load_stackoverflow)
JP (1) JP6633547B2 (enrdf_load_stackoverflow)
KR (3) KR102837715B1 (enrdf_load_stackoverflow)
CN (2) CN110176241B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105745703B (zh) 2013-09-16 2019-12-10 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
CN111968655B (zh) 2014-07-28 2023-11-10 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
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
WO2019198383A1 (ja) * 2018-04-13 2019-10-17 日本電信電話株式会社 符号化装置、復号装置、符号化方法、復号方法、プログラム、および記録媒体
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
KR100871999B1 (ko) * 2001-05-08 2008-12-05 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
KR101220621B1 (ko) * 2004-11-05 2013-01-18 파나소닉 주식회사 부호화 장치 및 부호화 방법
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
EP2077550B8 (en) * 2008-01-04 2012-03-14 Dolby International AB Audio encoder and decoder
ES2454020T3 (es) * 2009-10-20 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, decodificador de audio, procedimiento para codificar información de audio, procedimiento y programa de computación que usa una regla dependiente de la región para un mapeado mediante codificación aritmética
CA2966987C (en) * 2011-06-30 2019-09-03 Samsung Electronics Co., Ltd. Apparatus and method for generating bandwidth extension signal
KR102048076B1 (ko) * 2011-09-28 2019-11-22 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
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
CN111968655B (zh) * 2014-07-28 2023-11-10 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

Also Published As

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

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