SG87895A1 - An environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level - Google Patents

An environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level

Info

Publication number
SG87895A1
SG87895A1 SG200003585A SG200003585A SG87895A1 SG 87895 A1 SG87895 A1 SG 87895A1 SG 200003585 A SG200003585 A SG 200003585A SG 200003585 A SG200003585 A SG 200003585A SG 87895 A1 SG87895 A1 SG 87895A1
Authority
SG
Singapore
Prior art keywords
noise level
environmental noise
estimating
data terminal
communication apparatus
Prior art date
Application number
SG200003585A
Other languages
English (en)
Inventor
Murase Atsunobu
Original Assignee
Matsushita Electric Ind Co 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of SG87895A1 publication Critical patent/SG87895A1/en

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • G10L19/012—Comfort noise or silence coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
  • Control Of Amplification And Gain Control (AREA)
SG200003585A 1999-07-01 2000-06-27 An environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level SG87895A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11187640A JP2001016057A (ja) 1999-07-01 1999-07-01 音響装置

Publications (1)

Publication Number Publication Date
SG87895A1 true SG87895A1 (en) 2002-04-16

Family

ID=16209663

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200003585A SG87895A1 (en) 1999-07-01 2000-06-27 An environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level

Country Status (6)

Country Link
US (1) US7139393B1 (fr)
EP (1) EP1065653A3 (fr)
JP (1) JP2001016057A (fr)
KR (1) KR100378648B1 (fr)
CN (1) CN1278535C (fr)
SG (1) SG87895A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7457750B2 (en) 2000-10-13 2008-11-25 At&T Corp. Systems and methods for dynamic re-configurable speech recognition
JP3840446B2 (ja) 2002-11-26 2006-11-01 株式会社バッファロー 伝搬環境検知技術
US7499686B2 (en) * 2004-02-24 2009-03-03 Microsoft Corporation Method and apparatus for multi-sensory speech enhancement on a mobile device
EP2007167A3 (fr) * 2007-06-21 2013-01-23 Funai Electric Advanced Applied Technology Research Institute Inc. Dispositif d'entrée-sortie vocale et dispositif de communication
US8094836B2 (en) * 2008-04-08 2012-01-10 Mediatek Inc. Multi-channel decoding systems capable of reducing noise and methods thereof
KR101581950B1 (ko) * 2009-01-12 2015-12-31 삼성전자주식회사 이동 단말에서 수화 음성 신호 처리 장치 및 방법
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems
US8934587B2 (en) 2011-07-21 2015-01-13 Daniel Weber Selective-sampling receiver
US10891946B2 (en) 2016-07-28 2021-01-12 Red Hat, Inc. Voice-controlled assistant volume control
KR102331150B1 (ko) * 2021-03-12 2021-12-01 주식회사 위즈브레인 복합 지휘 통제 장비
CN114650072B (zh) * 2022-03-24 2024-04-09 维沃移动通信有限公司 信号处理方法、信号处理装置、电子设备及可读存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09247247A (ja) * 1996-03-14 1997-09-19 Ricoh Co Ltd 音声通信装置
US5732390A (en) * 1993-06-29 1998-03-24 Sony Corp Speech signal transmitting and receiving apparatus with noise sensitive volume control
US5771486A (en) * 1994-05-13 1998-06-23 Sony Corporation Method for reducing noise in speech signal and method for detecting noise domain

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Publication number Priority date Publication date Assignee Title
US4061874A (en) 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
US4811404A (en) 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
US4829565A (en) 1987-10-20 1989-05-09 Goldberg Robert M Telephone with background volume control
US5157653A (en) * 1990-08-03 1992-10-20 Coherent Communications Systems Corp. Residual echo elimination with proportionate noise injection
US5187741A (en) 1990-11-30 1993-02-16 At&T Bell Laboratories Enhanced acoustic calibration procedure for a voice switched speakerphone
JPH0678046A (ja) * 1992-08-25 1994-03-18 Fujitsu Ltd ハンズフリー・システムで用いられる音声スイッチ
US5546459A (en) 1993-11-01 1996-08-13 Qualcomm Incorporated Variable block size adaptation algorithm for noise-robust acoustic echo cancellation
JPH07193548A (ja) 1993-12-25 1995-07-28 Sony Corp 雑音低減処理方法
JPH07273840A (ja) 1994-03-25 1995-10-20 Nec Corp 音声帯域制御機能を有する移動電話機
US5966438A (en) * 1996-03-05 1999-10-12 Ericsson Inc. Method and apparatus for adaptive volume control for a radiotelephone
KR100200605B1 (ko) 1996-07-25 1999-06-15 윤종용 디지탈 비디오 신호처리장치
WO1999005840A1 (fr) 1997-07-24 1999-02-04 Qualcomm Incorporated Procede et appareil de reglage automatique des gains d'un haut-parleur et d'un microphone dans un telephone mobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732390A (en) * 1993-06-29 1998-03-24 Sony Corp Speech signal transmitting and receiving apparatus with noise sensitive volume control
US5771486A (en) * 1994-05-13 1998-06-23 Sony Corporation Method for reducing noise in speech signal and method for detecting noise domain
JPH09247247A (ja) * 1996-03-14 1997-09-19 Ricoh Co Ltd 音声通信装置

Also Published As

Publication number Publication date
US7139393B1 (en) 2006-11-21
CN1279556A (zh) 2001-01-10
CN1278535C (zh) 2006-10-04
KR20010015110A (ko) 2001-02-26
KR100378648B1 (ko) 2003-03-31
EP1065653A3 (fr) 2003-03-19
JP2001016057A (ja) 2001-01-19
EP1065653A2 (fr) 2001-01-03

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