EP2034473A3 - Vorrichtung und Verfahren zum Ermitteln eines Schaetzwerts - Google Patents

Vorrichtung und Verfahren zum Ermitteln eines Schaetzwerts Download PDF

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Publication number
EP2034473A3
EP2034473A3 EP08021083.4A EP08021083A EP2034473A3 EP 2034473 A3 EP2034473 A3 EP 2034473A3 EP 08021083 A EP08021083 A EP 08021083A EP 2034473 A3 EP2034473 A3 EP 2034473A3
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EP
European Patent Office
Prior art keywords
estimated value
emitting
frequency band
signal
calculates
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP08021083.4A
Other languages
English (en)
French (fr)
Other versions
EP2034473B1 (de
EP2034473A2 (de
Inventor
Michael Schug
Johannes Hilpert
Stefan Geyersberger
Max Neuendorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to EP19167397.9A priority Critical patent/EP3544003B1/de
Priority to PL08021083T priority patent/PL2034473T3/pl
Priority to PL19167397T priority patent/PL3544003T3/pl
Publication of EP2034473A2 publication Critical patent/EP2034473A2/de
Publication of EP2034473A3 publication Critical patent/EP2034473A3/de
Application granted granted Critical
Publication of EP2034473B1 publication Critical patent/EP2034473B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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

Landscapes

  • 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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Ac Motors In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

Zum Ermitteln eines Schätzwerts für einen Bedarf an Informationseinheiten zum Codieren eines Signals wird neben der erlaubten Störung für ein Frequenzband und einer Energie des Frequenzbands zusätzlich ein Maß (nl(b)) für die Verteilung der Energie in dem Frequenzband berücksichtigt (102, 104, 106). Damit wird ein besserer Schätzwert für den Bedarf an Informationseinheiten erhalten, so dass effizienter und genauer codiert werden kann.
EP08021083.4A 2004-03-01 2005-02-17 Vorrichtung und Verfahren zum Ermitteln eines Schaetzwerts Expired - Lifetime EP2034473B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19167397.9A EP3544003B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts
PL08021083T PL2034473T3 (pl) 2004-03-01 2005-02-17 Urządzenie i sposób ustalania szacowanej wartości
PL19167397T PL3544003T3 (pl) 2004-03-01 2005-02-17 Urządzenie i sposób ustalania szacowanej wartości

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004009949A DE102004009949B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes
EP05707481A EP1697931B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts
PCT/EP2005/001651 WO2005083680A1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP05707481A Division EP1697931B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19167397.9A Division-Into EP3544003B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts
EP19167397.9A Division EP3544003B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts

Publications (3)

Publication Number Publication Date
EP2034473A2 EP2034473A2 (de) 2009-03-11
EP2034473A3 true EP2034473A3 (de) 2015-09-16
EP2034473B1 EP2034473B1 (de) 2019-05-15

Family

ID=34894902

Family Applications (3)

Application Number Title Priority Date Filing Date
EP08021083.4A Expired - Lifetime EP2034473B1 (de) 2004-03-01 2005-02-17 Vorrichtung und Verfahren zum Ermitteln eines Schaetzwerts
EP19167397.9A Expired - Lifetime EP3544003B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts
EP05707481A Expired - Lifetime EP1697931B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP19167397.9A Expired - Lifetime EP3544003B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts
EP05707481A Expired - Lifetime EP1697931B1 (de) 2004-03-01 2005-02-17 Vorrichtung und verfahren zum ermitteln eines schätzwerts

Country Status (18)

Country Link
US (1) US7318028B2 (de)
EP (3) EP2034473B1 (de)
JP (1) JP4673882B2 (de)
KR (1) KR100852482B1 (de)
CN (1) CN1938758B (de)
AT (1) ATE532173T1 (de)
AU (1) AU2005217507B2 (de)
BR (1) BRPI0507815B1 (de)
CA (1) CA2559354C (de)
DE (1) DE102004009949B4 (de)
DK (1) DK1697931T3 (de)
ES (3) ES2739544T3 (de)
IL (1) IL176978A (de)
NO (1) NO338917B1 (de)
PL (2) PL3544003T3 (de)
PT (2) PT3544003T (de)
RU (1) RU2337414C2 (de)
WO (1) WO2005083680A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2707873B1 (de) 2011-05-09 2015-04-08 Dolby International AB Verfahren und codierer zur verarbeitung eines digitalen stereotonsignals
FR2977439A1 (fr) * 2011-06-28 2013-01-04 France Telecom Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard.
JP7257975B2 (ja) * 2017-07-03 2023-04-14 ドルビー・インターナショナル・アーベー 密集性の過渡事象の検出及び符号化の複雑さの低減
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
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
EP3483880A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
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
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
CN111405419B (zh) * 2020-03-26 2022-02-15 海信视像科技股份有限公司 音频信号处理方法、装置及可读存储介质
CN116707557B (zh) * 2022-12-20 2024-05-03 荣耀终端有限公司 信道选择方法、接收机及存储介质

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20020103637A1 (en) * 2000-11-15 2002-08-01 Fredrik Henn Enhancing the performance of coding systems that use high frequency reconstruction methods

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Also Published As

Publication number Publication date
ES2847237T3 (es) 2021-08-02
ATE532173T1 (de) 2011-11-15
WO2005083680A1 (de) 2005-09-09
KR20060121978A (ko) 2006-11-29
JP2007525715A (ja) 2007-09-06
RU2337414C2 (ru) 2008-10-27
US20070129940A1 (en) 2007-06-07
BRPI0507815A (pt) 2007-07-10
US7318028B2 (en) 2008-01-08
DK1697931T3 (da) 2012-02-27
EP2034473B1 (de) 2019-05-15
CA2559354A1 (en) 2005-09-09
AU2005217507A1 (en) 2005-09-09
HK1093813A1 (en) 2007-03-09
DE102004009949A1 (de) 2005-09-29
CA2559354C (en) 2011-08-02
EP2034473A2 (de) 2009-03-11
AU2005217507B2 (en) 2008-08-14
DE102004009949B4 (de) 2006-03-09
EP1697931B1 (de) 2011-11-02
RU2006134638A (ru) 2008-04-10
ES2739544T3 (es) 2020-01-31
CN1938758B (zh) 2010-11-10
ES2376887T3 (es) 2012-03-20
BRPI0507815B1 (pt) 2018-09-11
NO338917B1 (no) 2016-10-31
EP1697931A1 (de) 2006-09-06
NO20064432L (no) 2006-09-29
JP4673882B2 (ja) 2011-04-20
PT3544003T (pt) 2021-02-04
PL2034473T3 (pl) 2019-11-29
EP3544003A1 (de) 2019-09-25
PT2034473T (pt) 2019-08-05
KR100852482B1 (ko) 2008-08-18
IL176978A (en) 2012-08-30
EP3544003B1 (de) 2020-12-23
PL3544003T3 (pl) 2021-07-12
CN1938758A (zh) 2007-03-28
IL176978A0 (en) 2006-12-10

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