FI955947A0 - Brusdaempare och foerfarande foer daempning av bakgrundsbrus i brusigt tal samt en mobilteleapparat - Google Patents

Brusdaempare och foerfarande foer daempning av bakgrundsbrus i brusigt tal samt en mobilteleapparat

Info

Publication number
FI955947A0
FI955947A0 FI955947A FI955947A FI955947A0 FI 955947 A0 FI955947 A0 FI 955947A0 FI 955947 A FI955947 A FI 955947A FI 955947 A FI955947 A FI 955947A FI 955947 A0 FI955947 A0 FI 955947A0
Authority
FI
Finland
Prior art keywords
ocffarande
mobilteleapparat
brusigt
brusdaempare
bakgrundsbrus
Prior art date
Application number
FI955947A
Other languages
English (en)
Other versions
FI955947A (fi
FI100840B (fi
Inventor
Antti Vaehaetalo
Juha Haekkinen
Erkki Paajanen
Original Assignee
Nokia Mobile Phones Ltd
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 Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of FI955947A0 publication Critical patent/FI955947A0/fi
Priority to FI955947A priority Critical patent/FI100840B/fi
Priority to EP96117902A priority patent/EP0790599B1/en
Priority to DE69630580T priority patent/DE69630580T2/de
Priority to EP96118504A priority patent/EP0784311B1/en
Priority to DE69614989T priority patent/DE69614989T2/de
Priority to AU10678/97A priority patent/AU1067897A/en
Priority to PCT/FI1996/000649 priority patent/WO1997022117A1/en
Priority to AU10677/97A priority patent/AU1067797A/en
Priority to PCT/FI1996/000648 priority patent/WO1997022116A2/en
Priority to US08/763,975 priority patent/US5963901A/en
Priority to US08/762,938 priority patent/US5839101A/en
Priority to JP33223796A priority patent/JP4163267B2/ja
Priority to JP8331874A priority patent/JPH09212195A/ja
Publication of FI955947A publication Critical patent/FI955947A/fi
Application granted granted Critical
Publication of FI100840B publication Critical patent/FI100840B/fi
Priority to JP2007051941A priority patent/JP2007179073A/ja
Priority to JP2008184572A priority patent/JP5006279B2/ja

Links

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • 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
    • G10L25/90—Pitch determination of speech signals
    • 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • 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
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
    • 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
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
FI955947A 1995-12-12 1995-12-12 Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin FI100840B (fi)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FI955947A FI100840B (fi) 1995-12-12 1995-12-12 Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
EP96117902A EP0790599B1 (en) 1995-12-12 1996-11-08 A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station
DE69630580T DE69630580T2 (de) 1995-12-12 1996-11-08 Rauschunterdrücker und Verfahren zur Unterdrückung des Hintergrundrauschens in einem verrauschten Sprachsignal und eine Mobilstation
EP96118504A EP0784311B1 (en) 1995-12-12 1996-11-19 Method and device for voice activity detection and a communication device
DE69614989T DE69614989T2 (de) 1995-12-12 1996-11-19 Verfahren und Vorrichtung zur Feststellung der Sprachaktivität in einem Sprachsignal und eine Kommunikationsvorrichtung
PCT/FI1996/000648 WO1997022116A2 (en) 1995-12-12 1996-12-05 A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station
PCT/FI1996/000649 WO1997022117A1 (en) 1995-12-12 1996-12-05 Method and device for voice activity detection and a communication device
AU10677/97A AU1067797A (en) 1995-12-12 1996-12-05 A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station
AU10678/97A AU1067897A (en) 1995-12-12 1996-12-05 Method and device for voice activity detection and a communication device
US08/763,975 US5963901A (en) 1995-12-12 1996-12-10 Method and device for voice activity detection and a communication device
US08/762,938 US5839101A (en) 1995-12-12 1996-12-10 Noise suppressor and method for suppressing background noise in noisy speech, and a mobile station
JP33223796A JP4163267B2 (ja) 1995-12-12 1996-12-12 雑音抑圧器及び移動局並びに雑音抑圧方法
JP8331874A JPH09212195A (ja) 1995-12-12 1996-12-12 音声活性検出装置及び移動局並びに音声活性検出方法
JP2007051941A JP2007179073A (ja) 1995-12-12 2007-03-01 音声活性検出装置及び移動局並びに音声活性検出方法
JP2008184572A JP5006279B2 (ja) 1995-12-12 2008-07-16 音声活性検出装置及び移動局並びに音声活性検出方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI955947A FI100840B (fi) 1995-12-12 1995-12-12 Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
FI955947 1995-12-12

Publications (3)

Publication Number Publication Date
FI955947A0 true FI955947A0 (fi) 1995-12-12
FI955947A FI955947A (fi) 1997-06-13
FI100840B FI100840B (fi) 1998-02-27

Family

ID=8544524

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955947A FI100840B (fi) 1995-12-12 1995-12-12 Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin

Country Status (7)

Country Link
US (2) US5839101A (fi)
EP (2) EP0790599B1 (fi)
JP (4) JPH09212195A (fi)
AU (2) AU1067897A (fi)
DE (2) DE69630580T2 (fi)
FI (1) FI100840B (fi)
WO (2) WO1997022117A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111508514A (zh) * 2020-04-10 2020-08-07 江苏科技大学 基于补偿相位谱的单通道语音增强算法

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