HK1174733A1 - Apparatus and method for generating high frequency audio signal using adaptive oversampling - Google Patents

Apparatus and method for generating high frequency audio signal using adaptive oversampling

Info

Publication number
HK1174733A1
HK1174733A1 HK13101868.2A HK13101868A HK1174733A1 HK 1174733 A1 HK1174733 A1 HK 1174733A1 HK 13101868 A HK13101868 A HK 13101868A HK 1174733 A1 HK1174733 A1 HK 1174733A1
Authority
HK
Hong Kong
Prior art keywords
high frequency
audio signal
generating high
frequency audio
adaptive oversampling
Prior art date
Application number
HK13101868.2A
Other languages
English (en)
Chinese (zh)
Inventor
Lars Villemoes
Per Ekstrand
Sascha Disch
Frederik Nagel
Stefan Wilde
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of HK1174733A1 publication Critical patent/HK1174733A1/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025Detection of transients or attacks for time/frequency resolution switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK13101868.2A 2009-10-21 2013-02-14 Apparatus and method for generating high frequency audio signal using adaptive oversampling HK1174733A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25377609P 2009-10-21 2009-10-21
PCT/EP2010/057130 WO2011047886A1 (en) 2009-10-21 2010-05-25 Apparatus and method for generating a high frequency audio signal using adaptive oversampling

Publications (1)

Publication Number Publication Date
HK1174733A1 true HK1174733A1 (en) 2013-06-14

Family

ID=42470889

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13101868.2A HK1174733A1 (en) 2009-10-21 2013-02-14 Apparatus and method for generating high frequency audio signal using adaptive oversampling

Country Status (16)

Country Link
US (1) US9159337B2 (ru)
EP (1) EP2486564B1 (ru)
JP (1) JP5844266B2 (ru)
KR (1) KR101341115B1 (ru)
CN (1) CN102648495B (ru)
AR (1) AR078717A1 (ru)
AU (1) AU2010310041B2 (ru)
BR (1) BR112012009249B1 (ru)
CA (1) CA2778205C (ru)
ES (1) ES2461172T3 (ru)
HK (1) HK1174733A1 (ru)
MX (1) MX2012004623A (ru)
PL (1) PL2486564T3 (ru)
RU (1) RU2547220C2 (ru)
TW (1) TWI431614B (ru)
WO (1) WO2011047886A1 (ru)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011047887A1 (en) 2009-10-21 2011-04-28 Dolby International Ab Oversampling in a combined transposer filter bank
US9312969B2 (en) * 2010-04-15 2016-04-12 North Eleven Limited Remote server system for combining audio files and for managing combined audio files for downloading by local systems
MX2012001696A (es) * 2010-06-09 2012-02-22 Panasonic Corp Metodo de extension de ancho de banda, aparato de extension de ancho de banda, programa, circuito integrado, y aparato de descodificacion de audio.
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
EP4016527B1 (en) 2010-07-19 2023-02-22 Dolby International AB Processing of audio signals during high frequency reconstruction
US9530424B2 (en) 2011-11-11 2016-12-27 Dolby International Ab Upsampling using oversampled SBR
MY197538A (en) 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
WO2013172588A1 (ko) * 2012-05-14 2013-11-21 엘지전자 주식회사 무선 통신 시스템에서 위치 측정 방법
EP2709106A1 (en) 2012-09-17 2014-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal
US9704486B2 (en) 2012-12-11 2017-07-11 Amazon Technologies, Inc. Speech recognition power management
PL2951815T3 (pl) 2013-01-29 2018-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodery audio, dekodery audio, systemy, sposoby i programy komputerowe wykorzystujące zwiększoną rozdzielczość czasową w otoczeniu czasowym początków lub końców spółgłosek szczelinowych lub spółgłosek zwarto-szczelinowych
SG11201505925SA (en) 2013-01-29 2015-09-29 Fraunhofer Ges Forschung Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information
TWI557727B (zh) 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
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
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
ES2727462T3 (es) * 2016-01-22 2019-10-16 Fraunhofer Ges Forschung Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral
US9947323B2 (en) * 2016-04-01 2018-04-17 Intel Corporation Synthetic oversampling to enhance speaker identification or verification
TWI809289B (zh) 2018-01-26 2023-07-21 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
CN111835600B (zh) * 2019-04-16 2022-09-06 达发科技(苏州)有限公司 多模式超高速数字用户线路收发器设备及其执行方法
CN114582814A (zh) * 2020-11-30 2022-06-03 泽鸿(广州)电子科技有限公司 支撑结构

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SU980133A1 (ru) * 1981-02-06 1982-12-07 Московский Ордена Трудового Красного Знамени Электротехнический Институт Связи Устройство анализа и синтеза речевого сигнала
SU1316030A1 (ru) * 1986-01-06 1987-06-07 Акустический институт им.акад.Н.Н.Андреева Способ анализа и синтеза речи и устройство дл его осуществлени
US5029509A (en) 1989-05-10 1991-07-09 Board Of Trustees Of The Leland Stanford Junior University Musical synthesizer combining deterministic and stochastic waveforms
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
KR100528325B1 (ko) 2002-12-18 2005-11-15 삼성전자주식회사 비트율 조절이 가능한 스테레오 오디오 부호화 및복호화방법 및 그 장치
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
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EP3273442B1 (en) 2008-03-20 2021-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for synthesizing a parameterized representation of an audio signal
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Also Published As

Publication number Publication date
KR20120094916A (ko) 2012-08-27
CA2778205C (en) 2015-11-24
RU2012119259A (ru) 2013-11-27
US20120281859A1 (en) 2012-11-08
EP2486564A1 (en) 2012-08-15
JP5844266B2 (ja) 2016-01-13
CN102648495A (zh) 2012-08-22
AR078717A1 (es) 2011-11-30
BR112012009249B1 (pt) 2021-11-09
TWI431614B (zh) 2014-03-21
BR112012009249A2 (pt) 2020-12-22
TW201133471A (en) 2011-10-01
ES2461172T3 (es) 2014-05-19
JP2013508758A (ja) 2013-03-07
MX2012004623A (es) 2012-05-08
US9159337B2 (en) 2015-10-13
CN102648495B (zh) 2014-05-28
RU2547220C2 (ru) 2015-04-10
AU2010310041A1 (en) 2012-06-14
EP2486564B1 (en) 2014-04-09
AU2010310041B2 (en) 2013-08-15
WO2011047886A1 (en) 2011-04-28
PL2486564T3 (pl) 2014-09-30
CA2778205A1 (en) 2011-04-28
KR101341115B1 (ko) 2013-12-13

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