ATE447227T1 - Linear-prädiktive codierung eines audiosignals - Google Patents

Linear-prädiktive codierung eines audiosignals

Info

Publication number
ATE447227T1
ATE447227T1 AT07735902T AT07735902T ATE447227T1 AT E447227 T1 ATE447227 T1 AT E447227T1 AT 07735902 T AT07735902 T AT 07735902T AT 07735902 T AT07735902 T AT 07735902T AT E447227 T1 ATE447227 T1 AT E447227T1
Authority
AT
Austria
Prior art keywords
processor
audio signal
predictive coding
linear predictive
generates
Prior art date
Application number
AT07735902T
Other languages
English (en)
Inventor
Brinker Albertus Den
Original Assignee
Koninkl Philips Electronics Nv
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
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE447227T1 publication Critical patent/ATE447227T1/de

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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT07735902T 2006-05-30 2007-05-15 Linear-prädiktive codierung eines audiosignals ATE447227T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06114670 2006-05-30
PCT/IB2007/051832 WO2007138511A1 (en) 2006-05-30 2007-05-15 Linear predictive coding of an audio signal

Publications (1)

Publication Number Publication Date
ATE447227T1 true ATE447227T1 (de) 2009-11-15

Family

ID=38566813

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07735902T ATE447227T1 (de) 2006-05-30 2007-05-15 Linear-prädiktive codierung eines audiosignals

Country Status (7)

Country Link
US (1) US20090204397A1 (de)
EP (1) EP2030199B1 (de)
JP (1) JP2009539132A (de)
CN (1) CN101460998A (de)
AT (1) ATE447227T1 (de)
DE (1) DE602007003023D1 (de)
WO (1) WO2007138511A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2013009303A (es) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Codec de audio utilizando sintesis de ruido durante fases inactivas.
EP2676266B1 (de) * 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung
MY159444A (en) 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
KR101797679B1 (ko) * 2013-07-18 2017-11-15 니폰 덴신 덴와 가부시끼가이샤 선형 예측 분석 장치, 방법, 프로그램 및 기록 매체
JP6250073B2 (ja) * 2014-01-24 2017-12-20 日本電信電話株式会社 線形予測分析装置、方法、プログラム及び記録媒体
CN110415715B (zh) * 2014-01-24 2022-11-25 日本电信电话株式会社 线性预测分析装置、线性预测分析方法以及记录介质
EP2980796A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Verarbeitung eines Audiosignals, Audiodecodierer und Audiocodierer
JP7061126B6 (ja) * 2016-12-28 2022-06-03 コーニンクレッカ フィリップス エヌ ヴェ 睡眠呼吸障害を特徴付ける方法
EP3562401B1 (de) * 2016-12-28 2021-06-16 Koninklijke Philips N.V. Verfahren zur charakterisierung von schlafatmungsstörungen
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
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
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
JP7682884B2 (ja) 2019-12-05 2025-05-26 ドルビー ラボラトリーズ ライセンシング コーポレイション オーディオ処理のための心理音響モデル
CN113571073A (zh) * 2020-04-28 2021-10-29 华为技术有限公司 一种线性预测编码参数的编码方法和编码装置
CN115166669A (zh) * 2022-06-30 2022-10-11 重庆秦嵩科技有限公司 基于高斯混合模型的地面运动目标自动分类方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
JPH02294699A (ja) * 1989-05-10 1990-12-05 Hitachi Ltd 音声分析合成方式
JP2770581B2 (ja) * 1991-02-19 1998-07-02 日本電気株式会社 音声信号のスペクトル分析方法とその装置
JP2776050B2 (ja) * 1991-02-26 1998-07-16 日本電気株式会社 音声符号化方式
CA2084323C (en) * 1991-12-03 1996-12-03 Tetsu Taguchi Speech signal encoding system capable of transmitting a speech signal at a low bit rate
US5339384A (en) * 1992-02-18 1994-08-16 At&T Bell Laboratories Code-excited linear predictive coding with low delay for speech or audio signals
US5774846A (en) * 1994-12-19 1998-06-30 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
JP3522012B2 (ja) * 1995-08-23 2004-04-26 沖電気工業株式会社 コード励振線形予測符号化装置
US5790759A (en) * 1995-09-19 1998-08-04 Lucent Technologies Inc. Perceptual noise masking measure based on synthesis filter frequency response
US6047254A (en) * 1996-05-15 2000-04-04 Advanced Micro Devices, Inc. System and method for determining a first formant analysis filter and prefiltering a speech signal for improved pitch estimation
EP0907258B1 (de) * 1997-10-03 2007-01-03 Matsushita Electric Industrial Co., Ltd. Audiosignalkompression, Sprachsignalkompression und Spracherkennung
KR100304092B1 (ko) * 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
JP3552201B2 (ja) * 1999-06-30 2004-08-11 株式会社東芝 音声符号化方法および装置
JP2001265398A (ja) * 2000-03-16 2001-09-28 Matsushita Electric Ind Co Ltd 適応型雑音抑圧音声符号化装置及び符号化方法
JP2001273000A (ja) * 2000-03-23 2001-10-05 Matsushita Electric Ind Co Ltd 適応型雑音抑圧音声符号化装置
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US20030235243A1 (en) * 2002-06-25 2003-12-25 Shousheng He Method for windowed noise auto-correlation
US7676362B2 (en) * 2004-12-31 2010-03-09 Motorola, Inc. Method and apparatus for enhancing loudness of a speech signal
WO2007080211A1 (en) * 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals

Also Published As

Publication number Publication date
US20090204397A1 (en) 2009-08-13
EP2030199B1 (de) 2009-10-28
DE602007003023D1 (de) 2009-12-10
WO2007138511A1 (en) 2007-12-06
EP2030199A1 (de) 2009-03-04
JP2009539132A (ja) 2009-11-12
CN101460998A (zh) 2009-06-17

Similar Documents

Publication Publication Date Title
ATE447227T1 (de) Linear-prädiktive codierung eines audiosignals
KR102486604B1 (ko) 다중 채널 신호 인코딩 방법 및 인코더
CA2690885C (en) Fidelity-optimised variable frame length encoding
KR101162275B1 (ko) 오디오 신호 처리 방법 및 장치
KR101441896B1 (ko) 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치
US9489962B2 (en) Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
US11074920B2 (en) Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding
CA2645911A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
DK1879179T3 (da) Fremgangsmåde og anordning til kodning af audiodata baseret på vektorkvantisering
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
MY209178A (en) Mdct-based complex prediction stereo coding
TW200802307A (en) Apparatus and method for encoding / decoding signal
NO341585B1 (no) Fremgangsmåte og innretning for koding av overgangsrammer i talesignaler
JP2009512892A5 (de)
WO2011059254A3 (en) An apparatus for processing a signal and method thereof
KR101837686B1 (ko) 공간적 오디오 객체 코딩에 오디오 정보를 적응시키기 위한 장치 및 방법
TWI559294B (zh) 支援轉換長度切換的頻率域音源編碼器、解碼器、編碼方法、解碼方法及電腦程式
BRPI0507124A (pt) aparelho e método para escalonamento de tempo de um sinal, programa de computador, e, portador de gravação
MY180722A (en) Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information
EP2478520A4 (de) Verfahren und vorrichtung zur verarbeitung eines tonsignals
JP6526091B2 (ja) 低複雑度の調性適応音声信号量子化
MY187944A (en) Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
KR20070088958A (ko) 다채널 오디오 신호 시각화 방법과 공간큐를 이용한음상정보 변환 방법 및 그 장치
TW200740264A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties