CN110827841B - 音频解码器 - Google Patents

音频解码器 Download PDF

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Publication number
CN110827841B
CN110827841B CN201910950848.3A CN201910950848A CN110827841B CN 110827841 B CN110827841 B CN 110827841B CN 201910950848 A CN201910950848 A CN 201910950848A CN 110827841 B CN110827841 B CN 110827841B
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current frame
noise
information
audio
tilt
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Chinese (zh)
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CN110827841A (zh
Inventor
纪尧姆·福奇斯
克里斯蒂安·赫尔姆里希
曼努埃尔·扬德尔
本杰明·苏伯特
横谷嘉一
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CN201910950848.3A 2013-01-29 2014-01-28 音频解码器 Active CN110827841B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910950848.3A CN110827841B (zh) 2013-01-29 2014-01-28 音频解码器

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361758189P 2013-01-29 2013-01-29
US61/758,189 2013-01-29
PCT/EP2014/051649 WO2014118192A2 (en) 2013-01-29 2014-01-28 Noise filling without side information for celp-like coders
CN201480019087.5A CN105264596B (zh) 2013-01-29 2014-01-28 用于码激励线性预测类编码器的无边信息的噪声填充
CN201910950848.3A CN110827841B (zh) 2013-01-29 2014-01-28 音频解码器

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CN201480019087.5A Division CN105264596B (zh) 2013-01-29 2014-01-28 用于码激励线性预测类编码器的无边信息的噪声填充

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CN110827841A CN110827841A (zh) 2020-02-21
CN110827841B true CN110827841B (zh) 2023-11-28

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CN201910950848.3A Active CN110827841B (zh) 2013-01-29 2014-01-28 音频解码器
CN202311306515.XA Pending CN117392990A (zh) 2013-01-29 2014-01-28 用于码激励线性预测类编码器的无边信息的噪声填充
CN201480019087.5A Active CN105264596B (zh) 2013-01-29 2014-01-28 用于码激励线性预测类编码器的无边信息的噪声填充

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CN201480019087.5A Active CN105264596B (zh) 2013-01-29 2014-01-28 用于码激励线性预测类编码器的无边信息的噪声填充

Country Status (20)

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US (3) US10269365B2 (https=)
EP (4) EP4503023A3 (https=)
JP (1) JP6181773B2 (https=)
KR (1) KR101794149B1 (https=)
CN (3) CN110827841B (https=)
AR (1) AR094677A1 (https=)
AU (1) AU2014211486B2 (https=)
BR (1) BR112015018020B1 (https=)
CA (2) CA2960854C (https=)
ES (3) ES2799773T3 (https=)
MX (1) MX347080B (https=)
MY (1) MY180912A (https=)
PL (3) PL3121813T3 (https=)
PT (2) PT2951816T (https=)
RU (1) RU2648953C2 (https=)
SG (2) SG11201505913WA (https=)
TR (1) TR201908919T4 (https=)
TW (1) TWI536368B (https=)
WO (1) WO2014118192A2 (https=)
ZA (1) ZA201506320B (https=)

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US10008214B2 (en) * 2015-09-11 2018-06-26 Electronics And Telecommunications Research Institute USAC audio signal encoding/decoding apparatus and method for digital radio services
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
US10582754B2 (en) 2017-03-08 2020-03-10 Toly Management Ltd. Cosmetic container
RU2744485C1 (ru) * 2017-10-27 2021-03-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Ослабление шума в декодере
BR112021012753A2 (pt) * 2019-01-13 2021-09-08 Huawei Technologies Co., Ltd. Método implementado por computador para codificação de áudio, dispositivo eletrônico e meio legível por computador não transitório
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TW202333143A (zh) * 2021-12-23 2023-08-16 弗勞恩霍夫爾協會 在音訊寫碼中使用濾波用於頻譜時間改善頻譜間隙填充之方法及設備

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PL2951816T3 (pl) 2019-09-30
MY180912A (en) 2020-12-11
US20210074307A1 (en) 2021-03-11
WO2014118192A3 (en) 2014-10-09
US10269365B2 (en) 2019-04-23
BR112015018020B1 (pt) 2022-03-15
BR112015018020A2 (https=) 2017-07-11
US20190198031A1 (en) 2019-06-27
AU2014211486A1 (en) 2015-08-20
EP3683793C0 (en) 2024-12-18
EP3121813A1 (en) 2017-01-25
EP3121813B1 (en) 2020-03-18
CN117392990A (zh) 2024-01-12
ES3009687T3 (en) 2025-03-31
EP3683793A1 (en) 2020-07-22
RU2015136787A (ru) 2017-03-07
MX2015009750A (es) 2015-11-06
TW201443880A (zh) 2014-11-16
AU2014211486B2 (en) 2017-04-20
CA2899542A1 (en) 2014-08-07
MX347080B (es) 2017-04-11
AR094677A1 (es) 2015-08-19
CA2899542C (en) 2020-08-04
SG10201806073WA (en) 2018-08-30
US12100409B2 (en) 2024-09-24
EP2951816B1 (en) 2019-03-27
CA2960854A1 (en) 2014-08-07
SG11201505913WA (en) 2015-08-28
KR20150114966A (ko) 2015-10-13
CN105264596A (zh) 2016-01-20
PL3683793T3 (pl) 2025-04-22
TR201908919T4 (tr) 2019-07-22
ES2799773T3 (es) 2020-12-21
EP2951816A2 (en) 2015-12-09
TWI536368B (zh) 2016-06-01
PT2951816T (pt) 2019-07-01
CA2960854C (en) 2019-06-25
CN105264596B (zh) 2019-11-01
PL3121813T3 (pl) 2020-08-10
HK1218181A1 (en) 2017-02-03
WO2014118192A2 (en) 2014-08-07
CN110827841A (zh) 2020-02-21
ZA201506320B (en) 2016-10-26
ES2732560T3 (es) 2019-11-25
US20150332696A1 (en) 2015-11-19
EP4503023A2 (en) 2025-02-05
KR101794149B1 (ko) 2017-11-07
US10984810B2 (en) 2021-04-20
JP6181773B2 (ja) 2017-08-16
EP3683793B1 (en) 2024-12-18
RU2648953C2 (ru) 2018-03-28
PT3121813T (pt) 2020-06-17
JP2016504635A (ja) 2016-02-12
EP4503023A3 (en) 2025-03-19

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