PT2304719T - Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador - Google Patents

Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador

Info

Publication number
PT2304719T
PT2304719T PT97768394T PT09776839T PT2304719T PT 2304719 T PT2304719 T PT 2304719T PT 97768394 T PT97768394 T PT 97768394T PT 09776839 T PT09776839 T PT 09776839T PT 2304719 T PT2304719 T PT 2304719T
Authority
PT
Portugal
Prior art keywords
audio
methods
providing
computer program
audio stream
Prior art date
Application number
PT97768394T
Other languages
English (en)
Inventor
Grill Bernhard
Multrus Markus
Rettelbach Nikolaus
Fuchs Guillaume
Geyersberger Stefan
Popp Harald
Herre Juergen
Wabnik Stefan
Schuller Gerald
Hirschfeld Jens
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40941986&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT2304719(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PT2304719T publication Critical patent/PT2304719T/pt

Links

Classifications

    • 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
    • G10L19/035—Scalar quantisation
    • 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
    • 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
    • G10L19/02—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
    • 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
    • G10L19/02—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
    • G10L19/02—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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
PT97768394T 2008-07-11 2009-06-25 Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador PT2304719T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7987208P 2008-07-11 2008-07-11
US10382008P 2008-10-08 2008-10-08

Publications (1)

Publication Number Publication Date
PT2304719T true PT2304719T (pt) 2017-11-03

Family

ID=40941986

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97768394T PT2304719T (pt) 2008-07-11 2009-06-25 Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador

Country Status (22)

Country Link
US (9) US8983851B2 (pt)
EP (12) EP4407614A1 (pt)
JP (2) JP5622726B2 (pt)
KR (4) KR101518532B1 (pt)
CN (2) CN102089808B (pt)
AR (2) AR072482A1 (pt)
AT (1) ATE535903T1 (pt)
AU (2) AU2009267459B2 (pt)
BR (6) BRPI0910811B1 (pt)
CA (2) CA2730361C (pt)
CO (2) CO6341671A2 (pt)
EG (1) EG26480A (pt)
ES (5) ES2642906T3 (pt)
HK (2) HK1157045A1 (pt)
MX (2) MX2011000382A (pt)
MY (2) MY178597A (pt)
PL (3) PL3246918T3 (pt)
PT (1) PT2304719T (pt)
RU (2) RU2519069C2 (pt)
TW (2) TWI417871B (pt)
WO (2) WO2010003556A1 (pt)
ZA (2) ZA201100091B (pt)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2642906T3 (es) 2008-07-11 2017-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador
WO2010053287A2 (en) * 2008-11-04 2010-05-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US8553897B2 (en) 2009-06-09 2013-10-08 Dean Robert Gary Anderson Method and apparatus for directional acoustic fitting of hearing aids
US9101299B2 (en) * 2009-07-23 2015-08-11 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Hearing aids configured for directional acoustic fitting
US8879745B2 (en) * 2009-07-23 2014-11-04 Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust Method of deriving individualized gain compensation curves for hearing aid fitting
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
US9008811B2 (en) 2010-09-17 2015-04-14 Xiph.org Foundation Methods and systems for adaptive time-frequency resolution in digital data coding
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
JP5695074B2 (ja) * 2010-10-18 2015-04-01 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Ｐａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声符号化装置および音声復号化装置
WO2012122303A1 (en) 2011-03-07 2012-09-13 Xiph. Org Method and system for two-step spreading for tonal artifact avoidance in audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
US9015042B2 (en) * 2011-03-07 2015-04-21 Xiph.org Foundation Methods and systems for avoiding partial collapse in multi-block audio coding
KR101767175B1 (ko) 2011-03-18 2017-08-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 코딩에서의 프레임 요소 길이 전송
US9530419B2 (en) * 2011-05-04 2016-12-27 Nokia Technologies Oy Encoding of stereophonic signals
BR112013033900B1 (pt) * 2011-06-30 2022-03-15 Samsung Electronics Co., Ltd Método para gerar um sinal estendido de largura de banda para decodificação de áudio
BR112014009647B1 (pt) * 2011-10-24 2021-11-03 Koninklijke Philips N.V. Aparelho de atenuação do ruído e método de atenuação do ruído
US8942397B2 (en) * 2011-11-16 2015-01-27 Dean Robert Gary Anderson Method and apparatus for adding audible noise with time varying volume to audio devices
JP5942463B2 (ja) * 2012-02-17 2016-06-29 株式会社ソシオネクスト オーディオ信号符号化装置およびオーディオ信号符号化方法
US20130282372A1 (en) * 2012-04-23 2013-10-24 Qualcomm Incorporated Systems and methods for audio signal processing
CN103778918B (zh) * 2012-10-26 2016-09-07 华为技术有限公司 音频信号的比特分配的方法和装置
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
JP6148811B2 (ja) * 2013-01-29 2017-06-14 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 周波数領域におけるｌｐｃ系符号化のための低周波数エンファシス
KR101757341B1 (ko) * 2013-01-29 2017-07-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 저-복잡도 음조-적응 오디오 신호 양자화
RU2660605C2 (ru) * 2013-01-29 2018-07-06 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Концепция заполнения шумом
CN114566183A (zh) * 2013-04-05 2022-05-31 杜比实验室特许公司 使用高级频谱延拓降低量化噪声的压扩装置和方法
KR102072365B1 (ko) 2013-04-05 2020-02-03 돌비 인터네셔널 에이비 고급 양자화기
CN108365827B (zh) * 2013-04-29 2021-10-26 杜比实验室特许公司 具有动态阈值的频带压缩
EP3961622B1 (en) 2013-05-24 2023-11-01 Dolby International AB Audio encoder
CN105408956B (zh) 2013-06-21 2020-03-27 弗朗霍夫应用科学研究促进协会 用于获取音频信号的替换帧的频谱系数的方法及相关产品
EP3014609B1 (en) * 2013-06-27 2017-09-27 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
EP2830060A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling in multichannel audio coding
EP2830058A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequency-domain audio coding supporting transform length switching
EP2830064A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
CN105531762B (zh) 2013-09-19 2019-10-01 索尼公司 编码装置和方法、解码装置和方法以及程序
EP3053359B1 (en) 2013-10-03 2017-08-30 Dolby Laboratories Licensing Corporation Adaptive diffuse signal generation in an upmixer
SG11201603116XA (en) * 2013-10-22 2016-05-30 Fraunhofer Ges Forschung Concept for combined dynamic range compression and guided clipping prevention for audio devices
ES2755166T3 (es) 2013-10-31 2020-04-21 Fraunhofer Ges Forschung Decodificador de audio y método para proporcionar una información de audio decodificada usando una ocultación de error que modifica una señal de excitación de dominio de tiempo
CA2984562C (en) 2013-10-31 2020-01-14 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
JP6319753B2 (ja) 2013-12-02 2018-05-09 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 符号化方法および装置
KR20230042410A (ko) 2013-12-27 2023-03-28 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
EP3117432B1 (en) * 2014-03-14 2019-05-08 Telefonaktiebolaget LM Ericsson (publ) Audio coding method and apparatus
BR112016019838B1 (pt) * 2014-03-31 2023-02-23 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método de codificação, método de decodificação e mídia de registro legível por computador não transitória
US9685166B2 (en) 2014-07-26 2017-06-20 Huawei Technologies Co., Ltd. Classification between time-domain coding and frequency domain coding
EP2980792A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
EP2980801A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals
JPWO2016052191A1 (ja) * 2014-09-30 2017-07-20 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
US20160173808A1 (en) 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for level control at a receiver
WO2016142002A1 (en) * 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
TWI771266B (zh) * 2015-03-13 2022-07-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
WO2016162283A1 (en) * 2015-04-07 2016-10-13 Dolby International Ab Audio coding with range extension
US9454343B1 (en) 2015-07-20 2016-09-27 Tls Corp. Creating spectral wells for inserting watermarks in audio signals
US9311924B1 (en) 2015-07-20 2016-04-12 Tls Corp. Spectral wells for inserting watermarks in audio signals
US9626977B2 (en) 2015-07-24 2017-04-18 Tls Corp. Inserting watermarks into audio signals that have speech-like properties
US10115404B2 (en) 2015-07-24 2018-10-30 Tls Corp. Redundancy in watermarking audio signals that have speech-like properties
CN116913291A (zh) 2015-10-08 2023-10-20 杜比国际公司 声音或声场的压缩hoa表示的解码方法和装置
JP6797197B2 (ja) 2015-10-08 2020-12-09 ドルビー・インターナショナル・アーベー 圧縮された音または音場表現のための層構成の符号化
US10142743B2 (en) 2016-01-01 2018-11-27 Dean Robert Gary Anderson Parametrically formulated noise and audio systems, devices, and methods thereof
MY191093A (en) * 2016-02-17 2022-05-30 Fraunhofer Ges Forschung Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
EP3208800A1 (en) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
US10146500B2 (en) 2016-08-31 2018-12-04 Dts, Inc. Transform-based audio codec and method with subband energy smoothing
EP3382702A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal
EP3396670B1 (en) * 2017-04-28 2020-11-25 Nxp B.V. Speech signal processing
CN111386568B (zh) * 2017-10-27 2023-10-13 弗劳恩霍夫应用研究促进协会 使用神经网络处理器生成带宽增强的音频信号的装置、方法或计算机可读存储介质
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
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
US11264014B1 (en) * 2018-09-23 2022-03-01 Plantronics, Inc. Audio device and method of audio processing with improved talker discrimination
US11694708B2 (en) * 2018-09-23 2023-07-04 Plantronics, Inc. Audio device and method of audio processing with improved talker discrimination
WO2020073148A1 (en) * 2018-10-08 2020-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Transmission power determination for an antenna array
EP4213147A1 (en) * 2018-10-26 2023-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Directional loudness map based audio processing
WO2020164752A1 (en) * 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transmitter processor, audio receiver processor and related methods and computer programs
EP3939035A4 (en) * 2019-03-10 2022-11-02 Kardome Technology Ltd. LANGUAGE IMPROVEMENT USING CLUSTERING OF HINTS
WO2020207593A1 (en) * 2019-04-11 2020-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US20200402522A1 (en) * 2019-06-24 2020-12-24 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US11361776B2 (en) 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
CN112037802B (zh) * 2020-05-08 2022-04-01 珠海市杰理科技股份有限公司 基于语音端点检测的音频编码方法及装置、设备、介质
US11545172B1 (en) * 2021-03-09 2023-01-03 Amazon Technologies, Inc. Sound source localization using reflection classification
CN114900246B (zh) * 2022-05-25 2023-06-13 中国电子科技集团公司第十研究所 噪声基底估计方法、装置、设备及存储介质

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703505A (en) * 1983-08-24 1987-10-27 Harris Corporation Speech data encoding scheme
US4956871A (en) * 1988-09-30 1990-09-11 At&T Bell Laboratories Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands
JPH0934493A (ja) 1995-07-20 1997-02-07 Graphics Commun Lab:Kk 音響信号符号化装置、音響信号復号装置および音響信号処理装置
US6092041A (en) 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
US5797120A (en) * 1996-09-04 1998-08-18 Advanced Micro Devices, Inc. System and method for generating re-configurable band limited noise using modulation
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US5960389A (en) 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
US6167133A (en) * 1997-04-02 2000-12-26 At&T Corporation Echo detection, tracking, cancellation and noise fill in real time in a communication system
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US7124079B1 (en) 1998-11-23 2006-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Speech coding with comfort noise variability feature for increased fidelity
RU2237296C2 (ru) * 1998-11-23 2004-09-27 Телефонактиеболагет Лм Эрикссон (Пабл) Кодирование речи с функцией изменения комфортного шума для повышения точности воспроизведения
JP3804902B2 (ja) 1999-09-27 2006-08-02 パイオニア株式会社 量子化誤差補正方法及び装置並びにオーディオ情報復号方法及び装置
FI116643B (fi) 1999-11-15 2006-01-13 Nokia Corp Kohinan vaimennus
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
DE60233032D1 (de) * 2001-03-02 2009-09-03 Panasonic Corp Audio-kodierer und audio-dekodierer
US6876968B2 (en) * 2001-03-08 2005-04-05 Matsushita Electric Industrial Co., Ltd. Run time synthesizer adaptation to improve intelligibility of synthesized speech
JP2004522198A (ja) * 2001-05-08 2004-07-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 音声符号化方法
JP4506039B2 (ja) 2001-06-15 2010-07-21 ソニー株式会社 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
KR100462611B1 (ko) * 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
JP4218271B2 (ja) * 2002-07-19 2009-02-04 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
DE10236694A1 (de) 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
KR100477699B1 (ko) * 2003-01-15 2005-03-18 삼성전자주식회사 양자화 잡음 분포 조절 방법 및 장치
WO2005004113A1 (ja) * 2003-06-30 2005-01-13 Fujitsu Limited オーディオ符号化装置
ES2305852T3 (es) * 2003-10-10 2008-11-01 Agency For Science, Technology And Research Procedimiento de codificacion de una señal digital en un flujo binario escalable, procedimiento para la descodificacion de un flujo binario escalable.
US7723474B2 (en) 2003-10-21 2010-05-25 The Regents Of The University Of California Molecules that selectively home to vasculature of pre-malignant dysplastic lesions or malignancies
US7436786B2 (en) 2003-12-09 2008-10-14 International Business Machines Corporation Telecommunications system for minimizing the effect of white noise data packets for the generation of required white noise on transmission channel utilization
JP2005202248A (ja) * 2004-01-16 2005-07-28 Fujitsu Ltd オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路
DE102004007200B3 (de) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
CA2457988A1 (en) 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
WO2005081229A1 (ja) 2004-02-25 2005-09-01 Matsushita Electric Industrial Co., Ltd. オーディオエンコーダ及びオーディオデコーダ
WO2005112004A1 (en) 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding models
US7649988B2 (en) 2004-06-15 2010-01-19 Acoustic Technologies, Inc. Comfort noise generator using modified Doblinger noise estimate
US7873515B2 (en) * 2004-11-23 2011-01-18 Stmicroelectronics Asia Pacific Pte. Ltd. System and method for error reconstruction of streaming audio information
KR100707173B1 (ko) 2004-12-21 2007-04-13 삼성전자주식회사 저비트율 부호화/복호화방법 및 장치
US7885809B2 (en) * 2005-04-20 2011-02-08 Ntt Docomo, Inc. Quantization of speech and audio coding parameters using partial information on atypical subsequences
DE602006018618D1 (de) * 2005-07-22 2011-01-13 France Telecom Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
JP4627737B2 (ja) * 2006-03-08 2011-02-09 シャープ株式会社 デジタルデータ復号化装置
US7564418B2 (en) 2006-04-21 2009-07-21 Galtronics Ltd. Twin ground antenna
JP4380669B2 (ja) * 2006-08-07 2009-12-09 カシオ計算機株式会社 音声符号化装置、音声復号装置、音声符号化方法、音声復号方法、及び、プログラム
US7275936B1 (en) * 2006-09-22 2007-10-02 Lotes Co., Ltd. Electrical connector
US8275611B2 (en) 2007-01-18 2012-09-25 Stmicroelectronics Asia Pacific Pte., Ltd. Adaptive noise suppression for digital speech signals
EP2116997A4 (en) * 2007-03-02 2011-11-23 Panasonic Corp AUDIO DECODING DEVICE AND AUDIO DECODING METHOD
BRPI0815972B1 (pt) * 2007-08-27 2020-02-04 Ericsson Telefon Ab L M método para recuperação de espectro em decodificação espectral de um sinal de áudio, método para uso em codificação espectral de um sinal de áudio, decodificador, e, codificador
DK2186089T3 (en) * 2007-08-27 2019-01-07 Ericsson Telefon Ab L M Method and apparatus for perceptual spectral decoding of an audio signal including filling in spectral holes
US8554551B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
ES2642906T3 (es) * 2008-07-11 2017-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
JP5695074B2 (ja) 2010-10-18 2015-04-01 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Ｐａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声符号化装置および音声復号化装置

Also Published As

Publication number Publication date
ATE535903T1 (de) 2011-12-15
US20170004839A1 (en) 2017-01-05
US20110170711A1 (en) 2011-07-14
KR101706009B1 (ko) 2017-02-22
ES2955669T3 (es) 2023-12-05
WO2010003556A1 (en) 2010-01-14
US20110173012A1 (en) 2011-07-14
AU2009267459A1 (en) 2010-01-14
US20140236605A1 (en) 2014-08-21
CA2730536A1 (en) 2010-01-14
ES2526767T3 (es) 2015-01-15
US10629215B2 (en) 2020-04-21
RU2512103C2 (ru) 2014-04-10
KR20140036042A (ko) 2014-03-24
AU2009267468A1 (en) 2010-01-14
CA2730361C (en) 2017-01-03
PL2304719T3 (pl) 2017-12-29
BRPI0910811A2 (pt) 2020-11-03
TW201007696A (en) 2010-02-16
AR072482A1 (es) 2010-09-01
US9711157B2 (en) 2017-07-18
US20240096338A1 (en) 2024-03-21
TW201007697A (en) 2010-02-16
MX2011000382A (es) 2011-02-25
AR072497A1 (es) 2010-09-01
JP2011527451A (ja) 2011-10-27
MY178597A (en) 2020-10-16
EP4372744A1 (en) 2024-05-22
RU2519069C2 (ru) 2014-06-10
CN102089806A (zh) 2011-06-08
HK1160285A1 (en) 2012-08-10
ES2642906T3 (es) 2017-11-20
JP5307889B2 (ja) 2013-10-02
CA2730361A1 (en) 2010-01-14
EP2304720A1 (en) 2011-04-06
EP4235660B1 (en) 2024-06-19
KR101582057B1 (ko) 2015-12-31
US9449606B2 (en) 2016-09-20
PL3246918T3 (pl) 2023-11-06
AU2009267459B2 (en) 2014-01-23
KR20110039245A (ko) 2011-04-15
CN102089806B (zh) 2012-12-05
RU2011102410A (ru) 2012-07-27
EP4375998A1 (en) 2024-05-29
US8983851B2 (en) 2015-03-17
BR122021003097B1 (pt) 2021-11-03
JP5622726B2 (ja) 2014-11-12
WO2010003565A1 (en) 2010-01-14
KR101251790B1 (ko) 2013-04-08
US9043203B2 (en) 2015-05-26
US20150112693A1 (en) 2015-04-23
EP4235660A2 (en) 2023-08-30
EP4407610A1 (en) 2024-07-31
TWI417871B (zh) 2013-12-01
CO6280569A2 (es) 2011-05-20
EP4407613A1 (en) 2024-07-31
EP4235660A3 (en) 2023-09-13
EP3246918B1 (en) 2023-06-14
HK1157045A1 (en) 2012-06-22
US11869521B2 (en) 2024-01-09
EP4372745A1 (en) 2024-05-22
AU2009267468B2 (en) 2012-03-15
CN102089808B (zh) 2014-02-12
ZA201100085B (en) 2011-10-26
EP3246918C0 (en) 2023-06-14
KR20160004403A (ko) 2016-01-12
EP2304719B1 (en) 2017-07-26
ES2374640T3 (es) 2012-02-20
CN102089808A (zh) 2011-06-08
US20240096337A1 (en) 2024-03-21
EP2304720B1 (en) 2011-11-30
US11024323B2 (en) 2021-06-01
KR101518532B1 (ko) 2015-05-07
KR20110040829A (ko) 2011-04-20
BR122021003142B1 (pt) 2021-11-03
MY155785A (en) 2015-11-30
EP4407614A1 (en) 2024-07-31
EP4407611A1 (en) 2024-07-31
EG26480A (en) 2013-12-02
CA2730536C (en) 2014-12-02
US20210272577A1 (en) 2021-09-02
RU2011104006A (ru) 2012-08-20
EP2304719A1 (en) 2011-04-06
ZA201100091B (en) 2011-10-26
ES2422412T3 (es) 2013-09-11
MX2011000359A (es) 2011-02-25
BR122021003752B1 (pt) 2021-11-09
BRPI0910522A2 (pt) 2020-10-20
CO6341671A2 (es) 2011-11-21
JP2011527455A (ja) 2011-10-27
BR122021003726B1 (pt) 2021-11-09
PL2304720T3 (pl) 2012-04-30
EP4407612A1 (en) 2024-07-31
BRPI0910811B1 (pt) 2021-09-21
US20170309283A1 (en) 2017-10-26
TWI492223B (zh) 2015-07-11
EP3246918A1 (en) 2017-11-22

Similar Documents

Publication Publication Date Title
PT2304719T (pt) Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador
HK1247431A1 (zh) 音頻編碼器、把一個音頻信號編碼的方法及計算機程序
PL2410521T3 (pl) Koder sygnału audio, sposób generowania sygnału audio i program komputerowy
PL2346030T3 (pl) Koder audio, sposób kodowania sygnału audio oraz program komputerowy
GB2458631B (en) Audio processing
PL3364414T3 (pl) Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
EP2491556C0 (en) AUDIO SIGNAL DECODER, CORRESPONDING METHOD AND COMPUTER POGRAM
HK1151883A1 (en) Audio signal decoder, audio signal encoder, encoded multi-channel audio signal representation, methods and computer program
HK1166415A1 (en) Device, method and computer program for manipulating an audio signal
EP2299446A4 (en) PLAYING DEVICE, PLAY PROCESS AND PROGRAM
TWI365442B (en) Audio signal processing method
EP2296378A4 (en) SYSTEM FOR DETERMINING THE SEQUENCE OF CONTENT REPRODUCTION AND METHOD AND PROGRAM THEREFOR
EP2040252A4 (en) AUDIO CODING DEVICE, AUDIO CODING METHOD, AND PROGRAM THEREOF
GB2459119B (en) Appratus, methods and computer programs