DE69330935D1 - System zur Verarbeitung von Audiosignalen - Google Patents

System zur Verarbeitung von Audiosignalen

Info

Publication number
DE69330935D1
DE69330935D1 DE69330935T DE69330935T DE69330935D1 DE 69330935 D1 DE69330935 D1 DE 69330935D1 DE 69330935 T DE69330935 T DE 69330935T DE 69330935 T DE69330935 T DE 69330935T DE 69330935 D1 DE69330935 D1 DE 69330935D1
Authority
DE
Germany
Prior art keywords
audio signals
processing audio
processing
signals
audio
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.)
Expired - Lifetime
Application number
DE69330935T
Other languages
English (en)
Other versions
DE69330935T2 (de
Inventor
Juha Kuusama
Dr Maekivirta
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.)
Nokia Technology GmbH
Original Assignee
Nokia Technology GmbH
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 Nokia Technology GmbH filed Critical Nokia Technology GmbH
Application granted granted Critical
Publication of DE69330935D1 publication Critical patent/DE69330935D1/de
Publication of DE69330935T2 publication Critical patent/DE69330935T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
DE69330935T 1992-11-20 1993-11-10 System zur Verarbeitung von Audiosignalen Expired - Lifetime DE69330935T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI925283A FI97758C (fi) 1992-11-20 1992-11-20 Järjestelmä audiosignaalin käsittelemiseksi

Publications (2)

Publication Number Publication Date
DE69330935D1 true DE69330935D1 (de) 2001-11-22
DE69330935T2 DE69330935T2 (de) 2002-04-04

Family

ID=8536256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330935T Expired - Lifetime DE69330935T2 (de) 1992-11-20 1993-11-10 System zur Verarbeitung von Audiosignalen

Country Status (6)

Country Link
US (1) US5485524A (de)
EP (1) EP0599132B1 (de)
JP (1) JPH06284095A (de)
DE (1) DE69330935T2 (de)
DK (1) DK0599132T3 (de)
FI (1) FI97758C (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals
US5907623A (en) * 1995-11-22 1999-05-25 Sony Corporation Of Japan Audio noise reduction system implemented through digital signal processing
DE19547093A1 (de) * 1995-12-16 1997-06-19 Nokia Deutschland Gmbh Schaltungsanordnung zur Verbesserung des Störabstandes
US5963899A (en) * 1996-08-07 1999-10-05 U S West, Inc. Method and system for region based filtering of speech
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
US6098038A (en) * 1996-09-27 2000-08-01 Oregon Graduate Institute Of Science & Technology Method and system for adaptive speech enhancement using frequency specific signal-to-noise ratio estimates
US6516299B1 (en) * 1996-12-20 2003-02-04 Qwest Communication International, Inc. Method, system and product for modifying the dynamic range of encoded audio signals
FR2764469B1 (fr) * 1997-06-09 2002-07-12 France Telecom Procede et dispositif de traitement optimise d'un signal perturbateur lors d'une prise de son
JP3535957B2 (ja) * 1997-07-29 2004-06-07 パイオニア株式会社 雑音低減装置及び雑音低減方法
US6230122B1 (en) * 1998-09-09 2001-05-08 Sony Corporation Speech detection with noise suppression based on principal components analysis
JP3618208B2 (ja) * 1997-11-12 2005-02-09 パイオニア株式会社 雑音低減装置
CA2358203A1 (en) * 1999-01-07 2000-07-13 Tellabs Operations, Inc. Method and apparatus for adaptively suppressing noise
US7058572B1 (en) * 2000-01-28 2006-06-06 Nortel Networks Limited Reducing acoustic noise in wireless and landline based telephony
EP1371263B1 (de) * 2001-03-21 2010-12-08 Unitron Hearing Ltd. Vorrichtung und verfahren zur adaptiven signalcharakterisierung und rauschreduzierung in hörhilfen und anderen audiovorrichtungen
CA2341834C (en) 2001-03-21 2010-10-26 Unitron Industries Ltd. Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices
WO2004097799A1 (en) * 2003-04-24 2004-11-11 Massachusetts Institute Of Technology System and method for spectral enhancement employing compression and expansion
JP2005175674A (ja) * 2003-12-09 2005-06-30 Nec Corp 信号圧縮伸張装置および携帯通信端末装置
JP4218573B2 (ja) * 2004-04-12 2009-02-04 ソニー株式会社 ノイズ低減方法及び装置
US8077815B1 (en) * 2004-11-16 2011-12-13 Adobe Systems Incorporated System and method for processing multi-channel digital audio signals
US20060139093A1 (en) * 2004-12-23 2006-06-29 Bbe Sound Inc. Three-channel state-variable compressor circuit
JP3999812B2 (ja) * 2005-01-25 2007-10-31 松下電器産業株式会社 音復元装置および音復元方法
US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
WO2009083868A1 (en) * 2007-12-31 2009-07-09 Arcelik Anonim Sirketi A display device and control method
CN104361892B (zh) * 2014-09-18 2017-05-17 电子科技大学 一种干扰信号与语音调制信号混叠的窄带干扰识别方法
JP6447357B2 (ja) * 2015-05-18 2019-01-09 株式会社Ｊｖｃケンウッド オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム
US11694708B2 (en) * 2018-09-23 2023-07-04 Plantronics, Inc. Audio device and method of audio processing with improved talker discrimination
US11264014B1 (en) * 2018-09-23 2022-03-01 Plantronics, Inc. Audio device and method of audio processing with improved talker discrimination
EP3939035A4 (de) * 2019-03-10 2022-11-02 Kardome Technology Ltd. Sprachverbesserung mittels clusterung von hinweisen
US11545172B1 (en) * 2021-03-09 2023-01-03 Amazon Technologies, Inc. Sound source localization using reflection classification

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803357A (en) * 1971-06-30 1974-04-09 J Sacks Noise filter
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
GB8326719D0 (en) * 1983-10-06 1983-11-09 British Telecomm Digital coding
US4630302A (en) * 1985-08-02 1986-12-16 Acousis Company Hearing aid method and apparatus
FR2599580B1 (fr) * 1986-05-30 1988-09-23 Elison Sarl Dispositif de reduction du bruit de fond dans une chaine electroacoustique.
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4882762A (en) * 1988-02-23 1989-11-21 Resound Corporation Multi-band programmable compression system
FI80173C (fi) * 1988-05-26 1990-04-10 Nokia Mobile Phones Ltd Foerfarande foer daempning av stoerningar.
DE3939478C2 (de) * 1989-02-03 1994-09-22 Pioneer Electronic Corp Vorrichtung zur Rauschunterdrückung in einem FM-Stereotuner
US5111506A (en) * 1989-03-02 1992-05-05 Ensonig Corporation Power efficient hearing aid
KR100270293B1 (ko) * 1991-11-26 2000-10-16 사토 게니치로 녹음장치 및 이것을 이용한 비디오 장치

Also Published As

Publication number Publication date
DK0599132T3 (da) 2001-12-03
DE69330935T2 (de) 2002-04-04
FI925283A0 (fi) 1992-11-20
US5485524A (en) 1996-01-16
EP0599132B1 (de) 2001-10-17
FI97758C (fi) 1997-02-10
FI97758B (fi) 1996-10-31
EP0599132A2 (de) 1994-06-01
FI925283A (fi) 1994-05-21
JPH06284095A (ja) 1994-10-07
EP0599132A3 (en) 1996-05-15

Similar Documents

Publication Publication Date Title
DE69330935D1 (de) System zur Verarbeitung von Audiosignalen
DE69331893D1 (de) Eine Vorrichtung zur Verarbeitung von Videosignalen
DE69030819T2 (de) Dekodierungssystem zur Dekodierung von Videosignalen
DE69320259D1 (de) System und Verfahren zur Verarbeitung optischer Signale
DK0578604T3 (da) Audiofrekvenssignal-kompressionssystem
DE69417571D1 (de) Vorrichtung zur verarbeitung von binauralen signalen
DE69126642D1 (de) Verfahren und Gerät zur Verarbeitung von Tonsignalen
DE69325858T2 (de) System zur Dokumentenverarbeitung
ATA224591A (de) Verfahren zur verarbeitung von signalen
DE3782920D1 (de) System zur verarbeitung von fernsehbildsignalen.
DE69418405T2 (de) Einrichtung zur Wiedergabe von Audiosignalen
DE69707847T2 (de) Vorrichtung zur vearbeitung von stereosignalen
DE69318929T2 (de) Vorrichtung zur Wiedergabe von digitalen Signalen
DE69132430T2 (de) Einrichtung zur Wiedergabe von Audiosignalen
DE59401348D1 (de) Schaltungsanordnung zur ableitung von signalen zur maskierung von audiosignalen
DE69613951D1 (de) Vorrichtung zur Verarbeitung von Synchronisationsignalen
DE29607766U1 (de) System zur Verteilung von Signalen
DE69522646D1 (de) System zur Verarbeitung von Videoquellenidentifikationssignalen
GB2264598B (en) Audio signal processing system
DE69428722D1 (de) Signalverarbeitungsanlage
DE69505586T2 (de) Vorrichtung zur Übertragung von Audiosignalen
DE69619310T2 (de) Fernsehsignalbearbeitungsanlage
DE69029617T2 (de) Einrichtung zur Wiedergabe von Audiosignalen
DE69705617D1 (de) Vorrichtung zur Verarbeitung von Audiosignalen
ATA187392A (de) Schaltungsanordnung zur verarbeitung von datensignalen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition