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EE9800290A - Seade ja meetod sidesignaalis esinevate perioodiliste häirekomponentide mahasurumiseks - Google Patents

Seade ja meetod sidesignaalis esinevate perioodiliste häirekomponentide mahasurumiseks

Info

Publication number
EE9800290A
EE9800290A EE9800290A EE9800290A EE9800290A EE 9800290 A EE9800290 A EE 9800290A EE 9800290 A EE9800290 A EE 9800290A EE 9800290 A EE9800290 A EE 9800290A EE 9800290 A EE9800290 A EE 9800290A
Authority
EE
Estonia
Prior art keywords
communication signal
interference components
periodic interference
suppressing periodic
suppressing
Prior art date
Application number
EE9800290A
Other languages
English (en)
Other versions
EE04076B1 (et
Inventor
Douglas Romesburg Eric
Original Assignee
Ericsson Inc.
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 Ericsson Inc. filed Critical Ericsson Inc.
Publication of EE9800290A publication Critical patent/EE9800290A/et
Publication of EE04076B1 publication Critical patent/EE04076B1/et

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
    • 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
    • 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
    • G10L21/0224—Processing in the time domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3018—Correlators, e.g. convolvers or coherence calculators
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3027—Feedforward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3032—Harmonics or sub-harmonics
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50—Miscellaneous
    • G10K2210/511—Narrow band, e.g. implementations for single frequency 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
    • G10L21/0208—Noise filtering
    • G10L2021/02085—Periodic noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Noise Elimination (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
EE9800290A 1996-03-13 1997-03-12 Seade ja meetod sidesignaalis esinevate perioodiliste mürakomponentide mahasurumiseks EE04076B1 (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/614,543 US5903819A (en) 1996-03-13 1996-03-13 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal
PCT/US1997/003927 WO1997034290A1 (en) 1996-03-13 1997-03-12 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal

Publications (2)

Publication Number Publication Date
EE9800290A true EE9800290A (et) 1999-02-15
EE04076B1 EE04076B1 (et) 2003-06-16

Family

ID=24461706

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9800290A EE04076B1 (et) 1996-03-13 1997-03-12 Seade ja meetod sidesignaalis esinevate perioodiliste mürakomponentide mahasurumiseks

Country Status (12)

Country Link
US (1) US5903819A (et)
EP (1) EP0886852A1 (et)
JP (1) JP2000507054A (et)
KR (1) KR100443863B1 (et)
CN (1) CN1120473C (et)
AR (1) AR006212A1 (et)
AU (1) AU710617B2 (et)
BR (1) BR9707981A (et)
CO (1) CO4600620A1 (et)
EE (1) EE04076B1 (et)
ID (1) ID16462A (et)
WO (1) WO1997034290A1 (et)

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Also Published As

Publication number Publication date
CN1120473C (zh) 2003-09-03
KR100443863B1 (ko) 2005-06-02
CN1222994A (zh) 1999-07-14
AU2208997A (en) 1997-10-01
EP0886852A1 (en) 1998-12-30
US5903819A (en) 1999-05-11
WO1997034290A1 (en) 1997-09-18
AR006212A1 (es) 1999-08-11
ID16462A (id) 1997-10-02
AU710617B2 (en) 1999-09-23
EE04076B1 (et) 2003-06-16
KR19990087725A (ko) 1999-12-27
CO4600620A1 (es) 1998-05-08
JP2000507054A (ja) 2000-06-06
HK1020102A1 (en) 2000-03-10
BR9707981A (pt) 1999-07-27

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Effective date: 20031231

KB4A Valid patent at the end of a year

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