JP2007535840A5 - - Google Patents

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Publication number
JP2007535840A5
JP2007535840A5 JP2007502799A JP2007502799A JP2007535840A5 JP 2007535840 A5 JP2007535840 A5 JP 2007535840A5 JP 2007502799 A JP2007502799 A JP 2007502799A JP 2007502799 A JP2007502799 A JP 2007502799A JP 2007535840 A5 JP2007535840 A5 JP 2007535840A5
Authority
JP
Japan
Prior art keywords
tone
input signal
sampled input
detected
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.)
Pending
Application number
JP2007502799A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007535840A (ja
Filing date
Publication date
Priority claimed from US10/795,700 external-priority patent/US7844048B2/en
Application filed filed Critical
Publication of JP2007535840A publication Critical patent/JP2007535840A/ja
Publication of JP2007535840A5 publication Critical patent/JP2007535840A5/ja
Pending legal-status Critical Current

Links

JP2007502799A 2004-03-08 2005-01-21 トーン割込み検出器およびその方法 Pending JP2007535840A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/795,700 US7844048B2 (en) 2004-03-08 2004-03-08 Selective tone event detector and method therefor
PCT/US2005/001777 WO2005094397A2 (en) 2004-03-08 2005-01-21 Tone event detector and method therefor

Publications (2)

Publication Number Publication Date
JP2007535840A JP2007535840A (ja) 2007-12-06
JP2007535840A5 true JP2007535840A5 (enExample) 2008-02-28

Family

ID=34912508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007502799A Pending JP2007535840A (ja) 2004-03-08 2005-01-21 トーン割込み検出器およびその方法

Country Status (6)

Country Link
US (1) US7844048B2 (enExample)
EP (1) EP1726153A2 (enExample)
JP (1) JP2007535840A (enExample)
KR (1) KR20060132926A (enExample)
CN (1) CN101361355A (enExample)
WO (1) WO2005094397A2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7388954B2 (en) * 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
EP1667304B2 (en) * 2004-12-02 2021-09-08 ABB Power Grids Switzerland AG Transmission of protection commands to a remote tripping device
CN100525476C (zh) * 2005-06-29 2009-08-05 华为技术有限公司 媒体网关控制协议呼叫中的内容传输方法
US8483384B2 (en) * 2006-03-06 2013-07-09 Freescale Semiconductor, Inc. Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement
US8170198B2 (en) * 2008-04-22 2012-05-01 Icom Incorporated Tone signal detector, tone signal detection method, and computer readable recording medium
ATE541410T1 (de) * 2008-06-30 2012-01-15 Freescale Semiconductor Inc Mehrfrequenztondetektor
TWI429225B (zh) * 2009-11-16 2014-03-01 Mstar Semiconductor Inc 目標訊號判斷方法及其裝置
JP5605158B2 (ja) * 2010-10-19 2014-10-15 アイコム株式会社 Ｃｔｃｓｓ用のトーン信号回路およびそれを用いる無線受信機
US8891743B2 (en) * 2011-10-04 2014-11-18 Cisco Technology, Inc. Gain control enhancement for modulated communications
US9569439B2 (en) 2011-10-31 2017-02-14 Elwha Llc Context-sensitive query enrichment
KR101815942B1 (ko) * 2011-12-02 2018-01-09 삼성전자주식회사 엔벨로프를 검출하는 방법 및 장치
US9047856B2 (en) * 2012-07-26 2015-06-02 Nuance Communications, Inc. Method and apparatus for tone detection
CN103888985A (zh) * 2012-12-21 2014-06-25 华为技术有限公司 信息传输方法、媒体网关和基站控制器
CN104105047A (zh) * 2013-04-10 2014-10-15 名硕电脑(苏州)有限公司 音频检测装置及方法
US20170019136A1 (en) * 2015-07-16 2017-01-19 LGS Innovations LLC Feed-forward self-interference cancellation

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07212802A (ja) 1994-01-26 1995-08-11 Japan Radio Co Ltd Ｄｔｍｆ信号検出装置及び方法
CA2149163C (en) * 1994-06-28 1999-01-26 Jeffrey Wayne Daugherty Detection of tones while minimizing incorrect identification of other sounds as tones
US6393124B1 (en) * 1997-04-15 2002-05-21 Virata Corporation CPE alert signal tone detector
US6055310A (en) * 1997-12-17 2000-04-25 Nortel Networks Corporation Phase reversal tone detector using DSP
US6587559B1 (en) * 1998-09-23 2003-07-01 Legerity Inc. Cross-frame dual tone multifrequency detector
AU2443399A (en) 1998-10-30 2000-06-05 Northern Telecom Limited Method and apparatus for detecting signalling tones
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
GB2357216B (en) * 1999-12-11 2004-05-12 Mitel Corp Method and apparatus for detecting dual tone alerting signal in telephone systems
US6650627B1 (en) * 1999-12-16 2003-11-18 Avaya Technology Corp. Tone detection in communication networks
GB2360420B (en) * 2000-03-17 2004-02-18 Mitel Corp Multi-frequency tone detector
US7003093B2 (en) * 2000-09-08 2006-02-21 Intel Corporation Tone detection for integrated telecommunications processing
US6748059B2 (en) * 2001-10-23 2004-06-08 Avaya Technology Corp. Apparatus and method for unified tone detection
US7054435B2 (en) * 2002-04-05 2006-05-30 Avaya Technology Corp. Apparatus and method for determining a minimal time bound for performing tone detection
US7016488B2 (en) * 2002-06-24 2006-03-21 Freescale Semiconductor, Inc. Method and apparatus for non-linear processing of an audio signal
US7388954B2 (en) * 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
EP1395065B1 (en) 2002-08-28 2007-01-24 Freescale Semiconductor, Inc. Tone detector and method therefor

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