PL2896042T3 - Urządzenie i sposób do generowania sygnału o powiększonej szerokości pasma z sygnału o ograniczonej szerokości pasma - Google Patents

Urządzenie i sposób do generowania sygnału o powiększonej szerokości pasma z sygnału o ograniczonej szerokości pasma

Info

Publication number
PL2896042T3
PL2896042T3 PL13759539T PL13759539T PL2896042T3 PL 2896042 T3 PL2896042 T3 PL 2896042T3 PL 13759539 T PL13759539 T PL 13759539T PL 13759539 T PL13759539 T PL 13759539T PL 2896042 T3 PL2896042 T3 PL 2896042T3
Authority
PL
Poland
Prior art keywords
bandwidth
generating
signal
audio signal
limited audio
Prior art date
Application number
PL13759539T
Other languages
English (en)
Inventor
Frederik Nagel
Stephan Wilde
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL2896042T3 publication Critical patent/PL2896042T3/pl

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
    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • G10L19/0204Speech 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
    • G10L19/0208Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
PL13759539T 2012-09-17 2013-09-11 Urządzenie i sposób do generowania sygnału o powiększonej szerokości pasma z sygnału o ograniczonej szerokości pasma PL2896042T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12184706.5A EP2709106A1 (en) 2012-09-17 2012-09-17 Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal
EP13759539.3A EP2896042B1 (en) 2012-09-17 2013-09-11 Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal

Publications (1)

Publication Number Publication Date
PL2896042T3 true PL2896042T3 (pl) 2017-05-31

Family

ID=47002644

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13759539T PL2896042T3 (pl) 2012-09-17 2013-09-11 Urządzenie i sposób do generowania sygnału o powiększonej szerokości pasma z sygnału o ograniczonej szerokości pasma

Country Status (19)

Country Link
US (2) US9997162B2 (pl)
EP (2) EP2709106A1 (pl)
JP (1) JP6130507B2 (pl)
KR (1) KR101712477B1 (pl)
CN (1) CN104813395B (pl)
AR (1) AR092599A1 (pl)
AU (1) AU2013314401B2 (pl)
BR (1) BR112015005893B1 (pl)
CA (1) CA2884420C (pl)
ES (1) ES2611347T3 (pl)
MX (1) MX348503B (pl)
MY (1) MY169402A (pl)
PL (1) PL2896042T3 (pl)
PT (1) PT2896042T (pl)
RU (1) RU2611974C2 (pl)
SG (1) SG11201502075XA (pl)
TW (1) TWI546800B (pl)
WO (1) WO2014041020A1 (pl)
ZA (1) ZA201502559B (pl)

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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
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
TWI879690B (zh) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
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
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
EP3382703A1 (en) 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and methods for processing an audio signal
TWI869186B (zh) 2018-01-26 2025-01-01 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
WO2024208420A1 (en) 2023-04-05 2024-10-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor, audio processing system, audio decoder, method for providing a processed audio signal representation and computer program using a time scale modification

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US6549884B1 (en) 1999-09-21 2003-04-15 Creative Technology Ltd. Phase-vocoder pitch-shifting
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RU2621965C2 (ru) * 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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PL4231295T3 (pl) * 2008-12-15 2024-05-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy
PL2234103T3 (pl) * 2009-03-26 2012-02-29 Fraunhofer Ges Forschung Urządzenie i sposób manipulacji sygnałem audio
EP2239732A1 (en) * 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
ES2400661T3 (es) * 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
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ES2461172T3 (es) * 2009-10-21 2014-05-19 Dolby International Ab Aparato y procedimiento para generar una señal de audio de alta frecuencia usando sobremuestreo adaptativo
WO2011048820A1 (ja) 2009-10-23 2011-04-28 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
AU2011226212B2 (en) * 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
EP2545551B1 (en) * 2010-03-09 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals
US9093080B2 (en) * 2010-06-09 2015-07-28 Panasonic Intellectual Property Corporation Of America Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
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

Also Published As

Publication number Publication date
MY169402A (en) 2019-03-27
US10580415B2 (en) 2020-03-03
CA2884420A1 (en) 2014-03-20
RU2015113983A (ru) 2016-11-10
RU2611974C2 (ru) 2017-03-01
TW201423731A (zh) 2014-06-16
AU2013314401B2 (en) 2016-04-28
EP2709106A1 (en) 2014-03-19
MX348503B (es) 2017-06-14
SG11201502075XA (en) 2015-05-28
US20180261229A1 (en) 2018-09-13
KR101712477B1 (ko) 2017-03-06
ZA201502559B (en) 2016-04-28
AU2013314401A1 (en) 2015-04-02
BR112015005893A2 (pt) 2017-08-22
EP2896042A1 (en) 2015-07-22
JP6130507B2 (ja) 2017-05-17
CN104813395B (zh) 2017-11-24
CA2884420C (en) 2017-10-17
EP2896042B1 (en) 2016-10-19
ES2611347T3 (es) 2017-05-08
MX2015003282A (es) 2015-07-06
US20150187360A1 (en) 2015-07-02
US9997162B2 (en) 2018-06-12
KR20150066537A (ko) 2015-06-16
PT2896042T (pt) 2016-12-30
BR112015005893B1 (pt) 2021-06-15
WO2014041020A1 (en) 2014-03-20
AR092599A1 (es) 2015-04-29
JP2015534112A (ja) 2015-11-26
TWI546800B (zh) 2016-08-21
CN104813395A (zh) 2015-07-29
HK1212089A1 (en) 2016-06-03

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