PL2381574T3 - Urządzenie i sposób do modyfikacji wejściowego sygnału audio - Google Patents

Urządzenie i sposób do modyfikacji wejściowego sygnału audio

Info

Publication number
PL2381574T3
PL2381574T3 PL10160679T PL10160679T PL2381574T3 PL 2381574 T3 PL2381574 T3 PL 2381574T3 PL 10160679 T PL10160679 T PL 10160679T PL 10160679 T PL10160679 T PL 10160679T PL 2381574 T3 PL2381574 T3 PL 2381574T3
Authority
PL
Poland
Prior art keywords
modifying
audio signal
input audio
input
signal
Prior art date
Application number
PL10160679T
Other languages
English (en)
Inventor
Christian Uhle
Juergen Herre
Oliver Hellmuth
Stefan Finauer
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL2381574T3 publication Critical patent/PL2381574T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • 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
    • 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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • 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
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL10160679T 2010-04-22 2010-04-22 Urządzenie i sposób do modyfikacji wejściowego sygnału audio PL2381574T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10160679.6A EP2381574B1 (en) 2010-04-22 2010-04-22 Apparatus and method for modifying an input audio signal

Publications (1)

Publication Number Publication Date
PL2381574T3 true PL2381574T3 (pl) 2015-05-29

Family

ID=42570834

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10160679T PL2381574T3 (pl) 2010-04-22 2010-04-22 Urządzenie i sposób do modyfikacji wejściowego sygnału audio

Country Status (13)

Country Link
US (1) US8812308B2 (pl)
EP (1) EP2381574B1 (pl)
JP (1) JP5632532B2 (pl)
KR (1) KR101469339B1 (pl)
CN (1) CN102986136B (pl)
AU (1) AU2011244268B2 (pl)
BR (1) BR112012026984B1 (pl)
CA (1) CA2796948C (pl)
ES (1) ES2526761T3 (pl)
MX (1) MX2012012113A (pl)
PL (1) PL2381574T3 (pl)
RU (1) RU2573246C2 (pl)
WO (1) WO2011131732A1 (pl)

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TWI447709B (zh) 2010-02-11 2014-08-01 杜比實驗室特許公司 用以非破壞地正常化可攜式裝置中音訊訊號響度之系統及方法
TWI581250B (zh) 2010-12-03 2017-05-01 杜比實驗室特許公司 利用多媒體處理節點之適應性處理技術
CN103325380B (zh) 2012-03-23 2017-09-12 杜比实验室特许公司 用于信号增强的增益后处理
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CN103730131B (zh) * 2012-10-12 2016-12-07 华为技术有限公司 语音质量评估的方法和装置
WO2014113471A1 (en) 2013-01-21 2014-07-24 Dolby Laboratories Licensing Corporation System and method for optimizing loudness and dynamic range across different playback devices
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EP4472075B1 (en) * 2014-10-01 2026-01-14 Dolby International AB Decoding an encoded audio signal using drc profiles
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CN109313887B (zh) * 2016-05-20 2023-09-15 剑桥声音管理公司 用于声音掩蔽的自供电扬声器
JP6844383B2 (ja) * 2017-03-31 2021-03-17 株式会社アドヴィックス 車両の制動装置
US10762910B2 (en) * 2018-06-01 2020-09-01 Qualcomm Incorporated Hierarchical fine quantization for audio coding
US11205414B2 (en) * 2019-02-15 2021-12-21 Brainfm, Inc. Noninvasive neural stimulation through audio
CN110010154B (zh) * 2019-03-26 2021-04-09 北京雷石天地电子技术有限公司 一种音量均衡方法及装置
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Also Published As

Publication number Publication date
JP2013537726A (ja) 2013-10-03
MX2012012113A (es) 2013-02-26
ES2526761T3 (es) 2015-01-15
RU2012149697A (ru) 2014-05-27
CA2796948C (en) 2016-10-18
EP2381574B1 (en) 2014-12-03
JP5632532B2 (ja) 2014-11-26
AU2011244268B2 (en) 2014-07-24
CN102986136A (zh) 2013-03-20
CA2796948A1 (en) 2011-10-27
HK1161443A1 (en) 2012-08-24
US20130046546A1 (en) 2013-02-21
KR20130008609A (ko) 2013-01-22
BR112012026984A2 (pt) 2017-10-03
US8812308B2 (en) 2014-08-19
BR112012026984B1 (pt) 2021-06-08
KR101469339B1 (ko) 2014-12-04
CN102986136B (zh) 2016-02-10
RU2573246C2 (ru) 2016-01-20
EP2381574A1 (en) 2011-10-26
WO2011131732A1 (en) 2011-10-27

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