DE69527939T2 - Schaltung zur Signalunterscheidung - Google Patents

Schaltung zur Signalunterscheidung

Info

Publication number
DE69527939T2
DE69527939T2 DE69527939T DE69527939T DE69527939T2 DE 69527939 T2 DE69527939 T2 DE 69527939T2 DE 69527939 T DE69527939 T DE 69527939T DE 69527939 T DE69527939 T DE 69527939T DE 69527939 T2 DE69527939 T2 DE 69527939T2
Authority
DE
Germany
Prior art keywords
circuit
signal differentiation
differentiation
signal
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 - Fee Related
Application number
DE69527939T
Other languages
English (en)
Other versions
DE69527939D1 (de
Inventor
Yukimasa Sugino
Yushi Naito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69527939D1 publication Critical patent/DE69527939D1/de
Application granted granted Critical
Publication of DE69527939T2 publication Critical patent/DE69527939T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69527939T 1995-03-24 1995-06-21 Schaltung zur Signalunterscheidung Expired - Fee Related DE69527939T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07066268A JP3094832B2 (ja) 1995-03-24 1995-03-24 信号識別器

Publications (2)

Publication Number Publication Date
DE69527939D1 DE69527939D1 (de) 2002-10-02
DE69527939T2 true DE69527939T2 (de) 2003-05-28

Family

ID=13310937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527939T Expired - Fee Related DE69527939T2 (de) 1995-03-24 1995-06-21 Schaltung zur Signalunterscheidung

Country Status (5)

Country Link
US (1) US5694517A (de)
EP (1) EP0734012B1 (de)
JP (1) JP3094832B2 (de)
DE (1) DE69527939T2 (de)
IL (1) IL114037A (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3252782B2 (ja) 1998-01-13 2002-02-04 日本電気株式会社 モデム信号対応音声符号化復号化装置
US6226356B1 (en) * 1998-06-12 2001-05-01 Legerity Inc. Method and apparatus for power regulation of digital data transmission
JP3586123B2 (ja) 1998-12-07 2004-11-10 三菱電機株式会社 チャネルチェックテストシステム
DE19908772A1 (de) * 1999-02-19 2000-08-24 Deutsche Telekom Ag Verfahren zur Erkennung einer während des Dialogs mit einem sprachgesteuerten Dialogsystem durch den Menschen ausgelösten Verbindungsunterbrechung einer analogen Verbindung
US6549587B1 (en) 1999-09-20 2003-04-15 Broadcom Corporation Voice and data exchange over a packet based network with timing recovery
US6765931B1 (en) * 1999-04-13 2004-07-20 Broadcom Corporation Gateway with voice
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
US6882711B1 (en) * 1999-09-20 2005-04-19 Broadcom Corporation Packet based network exchange with rate synchronization
US7924752B2 (en) 1999-09-20 2011-04-12 Broadcom Corporation Voice and data exchange over a packet based network with AGC
US7161931B1 (en) 1999-09-20 2007-01-09 Broadcom Corporation Voice and data exchange over a packet based network
US6757367B1 (en) * 1999-09-20 2004-06-29 Broadcom Corporation Packet based network exchange with rate synchronization
US7920697B2 (en) * 1999-12-09 2011-04-05 Broadcom Corp. Interaction between echo canceller and packet voice processing
EP1238489B1 (de) 1999-12-13 2008-03-05 Broadcom Corporation Sprach-durchgangsvorrichtung mit sprachsynchronisierung in abwärtsrichtung
US6718297B1 (en) 2000-02-15 2004-04-06 The Boeing Company Apparatus and method for discriminating between voice and data by using a frequency estimate representing both a central frequency and an energy of an input signal
KR20020012376A (ko) * 2000-08-07 2002-02-16 임영식 특정 주파수대의 에너지 비를 이용한 톤 신호 검출 방법
US7003093B2 (en) 2000-09-08 2006-02-21 Intel Corporation Tone detection for integrated telecommunications processing
US20020116186A1 (en) * 2000-09-09 2002-08-22 Adam Strauss Voice activity detector for integrated telecommunications processing
US6738358B2 (en) 2000-09-09 2004-05-18 Intel Corporation Network echo canceller for integrated telecommunications processing
US6868116B2 (en) * 2001-02-16 2005-03-15 Nortel Networks Limited Universal telephony tones detector
US6597161B2 (en) * 2001-11-26 2003-07-22 Tropic Networks Inc. Method and apparatus for spectrum analysis with variable detection latency and multiple layer coherent integrations
GB2407952B (en) * 2003-11-07 2006-11-29 Psytechnics Ltd Quality assessment tool
US8187318B2 (en) * 2005-08-31 2012-05-29 Advanced Bio Prosthetic Surfaces, Ltd. Covered stent with proximal and distal attachment, delivery catheter, and method of making same
CN101371569B (zh) * 2006-01-17 2011-07-27 皇家飞利浦电子股份有限公司 使用周期平稳工具箱检测嵌入到噪声中的电视信号的存在
JP4757158B2 (ja) * 2006-09-20 2011-08-24 富士通株式会社 音信号処理方法、音信号処理装置及びコンピュータプログラム
US8275136B2 (en) 2008-04-25 2012-09-25 Nokia Corporation Electronic device speech enhancement
US8611556B2 (en) 2008-04-25 2013-12-17 Nokia Corporation Calibrating multiple microphones
US8244528B2 (en) 2008-04-25 2012-08-14 Nokia Corporation Method and apparatus for voice activity determination
US8804700B2 (en) * 2008-07-16 2014-08-12 Freescale Semiconductor, Inc. Method and apparatus for detecting one or more predetermined tones transmitted over a communication network
EP2359361B1 (de) * 2008-10-30 2018-07-04 Telefonaktiebolaget LM Ericsson (publ) Telefonieinhaltssignalunterscheidung
JP6090371B2 (ja) * 2015-06-17 2017-03-08 ヤマハ株式会社 オーディオ信号識別装置、およびプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980917A (en) * 1987-11-18 1990-12-25 Emerson & Stern Associates, Inc. Method and apparatus for determining articulatory parameters from speech data
US4979211A (en) * 1988-11-16 1990-12-18 At&T Bell Laboratories Classifier for high speed voiceband digital data modem signals
US4979214A (en) * 1989-05-15 1990-12-18 Dialogic Corporation Method and apparatus for identifying speech in telephone signals
JPH07113840B2 (ja) * 1989-06-29 1995-12-06 三菱電機株式会社 音声検出器
JP2643593B2 (ja) * 1989-11-28 1997-08-20 日本電気株式会社 音声・モデム信号識別回路
US5164980A (en) * 1990-02-21 1992-11-17 Alkanox Corporation Video telephone system
JP2609737B2 (ja) * 1990-02-28 1997-05-14 三菱電機株式会社 音声／データ識別器
US5023906A (en) * 1990-04-24 1991-06-11 The Telephone Connection Method for monitoring telephone call progress
US5325425A (en) * 1990-04-24 1994-06-28 The Telephone Connection Method for monitoring telephone call progress
JP2750206B2 (ja) * 1990-04-27 1998-05-13 キヤノン株式会社 データ通信装置
JP2609752B2 (ja) * 1990-10-09 1997-05-14 三菱電機株式会社 音声／音声帯域内データ識別装置
JPH0622073A (ja) * 1992-06-30 1994-01-28 Fuji Xerox Co Ltd 音声信号識別機能を有するファクシミリ装置
JPH07123242B2 (ja) * 1993-07-06 1995-12-25 日本電気株式会社 音声信号復号化装置

Also Published As

Publication number Publication date
EP0734012A3 (de) 1998-08-12
IL114037A (en) 1998-08-16
EP0734012A2 (de) 1996-09-25
US5694517A (en) 1997-12-02
DE69527939D1 (de) 2002-10-02
JP3094832B2 (ja) 2000-10-03
EP0734012B1 (de) 2002-08-28
IL114037A0 (en) 1995-10-31
JPH08265457A (ja) 1996-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee