KR101441474B1 - 적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 - Google Patents

적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 Download PDF

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KR101441474B1
KR101441474B1 KR1020100013940A KR20100013940A KR101441474B1 KR 101441474 B1 KR101441474 B1 KR 101441474B1 KR 1020100013940 A KR1020100013940 A KR 1020100013940A KR 20100013940 A KR20100013940 A KR 20100013940A KR 101441474 B1 KR101441474 B1 KR 101441474B1
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subbands
audio signal
sinusoidal
coding
decoding
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KR20100093504A (ko
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이미숙
배현주
이병선
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한국전자통신연구원
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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
    • G10L19/04—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
    • 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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020100013940A 2009-02-16 2010-02-16 적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 Active KR101441474B1 (ko)

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KR20090092717 2009-09-29
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US (2) US8805694B2 (https=)
EP (2) EP2398017B1 (https=)
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KR101924192B1 (ko) * 2009-05-19 2018-11-30 한국전자통신연구원 계층형 정현파 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치
SG192718A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Audio codec using noise synthesis during inactive phases
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
JP5914527B2 (ja) 2011-02-14 2016-05-11 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
PL2550653T3 (pl) 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
WO2012110447A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
WO2012110473A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
WO2013048171A2 (ko) 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
WO2014030928A1 (ko) * 2012-08-21 2014-02-27 엘지전자 주식회사 오디오 신호 부호화 방법 및 오디오 신호 복호화 방법 그리고 이를 이용하는 장치
CN103854653B (zh) 2012-12-06 2016-12-28 华为技术有限公司 信号解码的方法和设备
EP2800401A1 (en) * 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
CN108198564B (zh) * 2013-07-01 2021-02-26 华为技术有限公司 信号编码和解码方法以及设备
CN105096957B (zh) 2014-04-29 2016-09-14 华为技术有限公司 处理信号的方法及设备
WO2016013164A1 (ja) * 2014-07-25 2016-01-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音響信号符号化装置、音響信号復号装置、音響信号符号化方法および音響信号復号方法
AU2015336275A1 (en) 2014-10-20 2017-06-01 Audimax, Llc Systems, methods, and devices for intelligent speech recognition and processing
CN113808597B (zh) * 2020-05-30 2024-10-29 华为技术有限公司 一种音频编码方法和音频编码装置
CN113948094B (zh) 2020-07-16 2026-01-02 华为技术有限公司 音频编解码方法和相关装置及计算机可读存储介质
CN112486452B (zh) * 2020-12-14 2025-04-04 深圳安捷丽新技术有限公司 基于音频的数据传输方法、装置及存储介质
KR102828465B1 (ko) * 2024-04-24 2025-07-02 정소영 인터랙셔널 인공지능 학습을 위한 하드웨어 오케스트레이션을 구동하는 인간-비식별정보 수집 장치

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WO2010093224A2 (ko) 2010-08-19
EP2398017B1 (en) 2014-04-23
EP2645367A3 (en) 2014-01-01
CN102396024A (zh) 2012-03-28
KR20100093504A (ko) 2010-08-25
CN103366755A (zh) 2013-10-23
US20110301961A1 (en) 2011-12-08
EP2645367B1 (en) 2019-11-20
US8805694B2 (en) 2014-08-12
JP5520967B2 (ja) 2014-06-11
EP2398017A4 (en) 2012-07-25
EP2398017A2 (en) 2011-12-21
EP2645367A2 (en) 2013-10-02
WO2010093224A3 (ko) 2010-11-18
US20140310007A1 (en) 2014-10-16
JP5863868B2 (ja) 2016-02-17
CN103366755B (zh) 2016-05-18
JP2012518194A (ja) 2012-08-09
JP2014170232A (ja) 2014-09-18
US9251799B2 (en) 2016-02-02

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