JP2004135309A5 - - Google Patents

Download PDF

Info

Publication number
JP2004135309A5
JP2004135309A5 JP2003303599A JP2003303599A JP2004135309A5 JP 2004135309 A5 JP2004135309 A5 JP 2004135309A5 JP 2003303599 A JP2003303599 A JP 2003303599A JP 2003303599 A JP2003303599 A JP 2003303599A JP 2004135309 A5 JP2004135309 A5 JP 2004135309A5
Authority
JP
Japan
Prior art keywords
tone
input signal
format
symbol
detecting
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
JP2003303599A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004135309A (ja
Filing date
Publication date
Priority claimed from EP02292110A external-priority patent/EP1395065B1/en
Application filed filed Critical
Publication of JP2004135309A publication Critical patent/JP2004135309A/ja
Publication of JP2004135309A5 publication Critical patent/JP2004135309A5/ja
Pending legal-status Critical Current

Links

JP2003303599A 2002-08-28 2003-08-27 トーン検出器及びその方法 Pending JP2004135309A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02292110A EP1395065B1 (en) 2002-08-28 2002-08-28 Tone detector and method therefor

Publications (2)

Publication Number Publication Date
JP2004135309A JP2004135309A (ja) 2004-04-30
JP2004135309A5 true JP2004135309A5 (cg-RX-API-DMAC7.html) 2006-10-05

Family

ID=31197975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003303599A Pending JP2004135309A (ja) 2002-08-28 2003-08-27 トーン検出器及びその方法

Country Status (6)

Country Link
US (1) US7529363B2 (cg-RX-API-DMAC7.html)
EP (1) EP1395065B1 (cg-RX-API-DMAC7.html)
JP (1) JP2004135309A (cg-RX-API-DMAC7.html)
KR (1) KR20040019992A (cg-RX-API-DMAC7.html)
AT (1) ATE352953T1 (cg-RX-API-DMAC7.html)
DE (1) DE60217859T2 (cg-RX-API-DMAC7.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10327578A1 (de) * 2003-06-18 2005-01-13 Micronas Gmbh Verfahren und Vorrichtung zur Filterung eines Signals
US7844048B2 (en) 2004-03-08 2010-11-30 Freescale Semiconductor, Inc. Selective tone event detector and method therefor
JP4793539B2 (ja) 2005-03-29 2011-10-12 日本電気株式会社 符号変換方法及び装置とプログラム並びにその記憶媒体
US7639598B2 (en) * 2006-01-31 2009-12-29 Szabolcs Sovenyi Simultaneous full-duplex communication over a single electrical conductor
US8483384B2 (en) * 2006-03-06 2013-07-09 Freescale Semiconductor, Inc. Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement
US7653141B2 (en) * 2006-03-31 2010-01-26 Panasonic Corporation Multi-band OFDM UWB communication systems having improved frequency diversity
US7590419B2 (en) 2006-05-12 2009-09-15 Freescale Semiconductor, Inc. Frequency correction channel burst detector in a GSM/EDGE communication system
ES2895268T3 (es) * 2008-03-20 2022-02-18 Fraunhofer Ges Forschung Aparato y método para modificar una representación parametrizada
EP2294832B1 (en) * 2008-06-30 2012-01-11 Freescale Semiconductor, Inc. Multi-frequency tone detector
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
US10148389B1 (en) * 2013-08-28 2018-12-04 The United States Of America, As Represented By The Secretary Of The Army Detection and identification of synchronizing signals embedded in voice or data
US9190955B2 (en) * 2013-10-23 2015-11-17 Mitsubishi Electric Research Laboratories, Inc. Method for separating multi-component signals
DE102014201119A1 (de) * 2014-01-22 2015-07-23 Siemens Aktiengesellschaft Sendevorrichtung zum Übertragen eines frequenzmodulierten Signals
JP6291548B2 (ja) * 2016-09-12 2018-03-14 Kddi株式会社 通信端末、ｄｔｍｆ信号識別方法、及びｄｔｍｆ信号識別用プログラム

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578919A (en) * 1968-12-30 1971-05-18 Bell Telephone Labor Inc Time compression tone detector
JPS5831139B2 (ja) * 1978-10-06 1983-07-04 日本電信電話株式会社 デイジタル信号受信器
US4363100A (en) 1980-10-28 1982-12-07 Northern Telecom Limited Detection of tones in sampled signals
JPS60121856A (ja) 1983-12-06 1985-06-29 Nec Corp 単一周波数信号検出回路
US4521647A (en) * 1984-02-17 1985-06-04 Octel Communications, Inc. Tone detection system and method
JPS61121685A (ja) * 1984-11-19 1986-06-09 Hitachi Ltd 信号受信方式
FR2597690B1 (fr) 1986-04-22 1988-06-10 Trt Telecom Radio Electr Appareil de detection et de discrimination de sauts de phase dans un signal periodique et application a un signal telephonique de tonalite avec inversions de phase.
US4839842A (en) 1987-07-24 1989-06-13 Advanced Micro Devices Digital tone detection and generation
US5274579A (en) * 1990-01-02 1993-12-28 Motorola, Inc. Digital tone detector
FI89659C (fi) 1991-11-04 1993-10-25 Nokia Telecommunications Oy Foerfarande foer identifiering av en spaerrsignal hos en ekoslaeckare
US5214708A (en) * 1991-12-16 1993-05-25 Mceachern Robert H Speech information extractor
EP0548438A1 (en) * 1991-12-20 1993-06-30 International Business Machines Corporation A method for detecting dual tone multi-frequency signals and device for implementing said method
JP3027047B2 (ja) 1992-01-29 2000-03-27 キヤノン株式会社 Ｄｔｍｆ信号検出装置及び方法
US5392347A (en) 1992-02-19 1995-02-21 Nec Corporation Ringing tone signal detecting circuit
JP2707911B2 (ja) * 1992-03-03 1998-02-04 ヤマハ株式会社 楽音合成装置
US5353346A (en) * 1992-12-22 1994-10-04 Mpr Teltech, Limited Multi-frequency signal detector and classifier
US5604771A (en) * 1994-10-04 1997-02-18 Quiros; Robert System and method for transmitting sound and computer data
JPH0951562A (ja) * 1995-08-07 1997-02-18 Fujitsu Ltd Ｄｓｐ搭載装置の機能拡張システム
US5689556A (en) 1995-09-15 1997-11-18 Hughes Electronics Method of detecting narrow-band signals in an echo canceller
RU2142670C1 (ru) 1995-11-16 1999-12-10 Самсунг Электроникс Ко., Лтд. Устройство линейного усиления мощности
US5815568A (en) 1996-01-31 1998-09-29 Telefoanktiebolaget Lm Ericsson Disabling tone detector for network echo canceller
US5920834A (en) 1997-01-31 1999-07-06 Qualcomm Incorporated Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system
US6006083A (en) 1997-09-11 1999-12-21 Nortel Networks Corporation Tone detection
JPH11163748A (ja) 1997-11-26 1999-06-18 Oki Electric Ind Co Ltd トーン信号検出回路
AU6425698A (en) * 1997-11-27 1999-06-16 Northern Telecom Limited Method and apparatus for performing spectral processing in tone detection
US6055310A (en) 1997-12-17 2000-04-25 Nortel Networks Corporation Phase reversal tone detector using DSP
US6021192A (en) * 1998-02-09 2000-02-01 Ag Communication Systems Corporation Tone detector
US6480589B1 (en) * 1998-07-14 2002-11-12 Samsung Electronics Co., Ltd. CPE alert signal detector and caller identification detector using peak detection
AU2443399A (en) 1998-10-30 2000-06-05 Northern Telecom Limited Method and apparatus for detecting signalling tones
US6321200B1 (en) * 1999-07-02 2001-11-20 Mitsubish Electric Research Laboratories, Inc Method for extracting features from a mixture of signals
FR2810817B1 (fr) * 2000-06-22 2002-10-04 Cit Alcatel Procede pour la detection d'une frequence ou d'une combinaison de frequences dans un signal et materiels de telecommunications mettant en oeuvre ce procede
US7035293B2 (en) 2001-04-18 2006-04-25 Broadcom Corporation Tone relay
US6914979B2 (en) 2001-04-25 2005-07-05 Adaptive Digital Technologies, Inc. Tone detection
US6748059B2 (en) * 2001-10-23 2004-06-08 Avaya Technology Corp. Apparatus and method for unified tone detection

Similar Documents

Publication Publication Date Title
JP2004135309A5 (cg-RX-API-DMAC7.html)
CN102903375B (zh) 音乐播放装置及播放方法
CA2341834A1 (en) Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices
JP2002215195A5 (cg-RX-API-DMAC7.html)
WO1999021396A1 (en) Howling eliminator
CN115866487B (zh) 一种基于均衡放大的音响功放方法及系统
CN102957440A (zh) 声音信号处理电路
US8265295B2 (en) Method and apparatus for identifying feedback in a circuit
US8189809B2 (en) Audio device for improved sound reproduction
JPWO2015186175A1 (ja) ノイズ解析装置、電子装置、及びノイズ源特定システム
Mehrnia et al. Optimal factoring of FIR filters
JP2002026750A (ja) 受信機
CN1701630B (zh) 啸声抑制装置和啸声抑制方法
HUP0004891A2 (hu) Hordozható audio készülék
WO2003018722A3 (en) Circuit and method for processing an audio signal
JP2004184472A (ja) 信号補間装置、音響再生装置、信号補間方法及びプログラム
JP2006227330A (ja) 音響信号に対する情報の埋め込み装置・方法、音響信号からの情報の抽出装置・方法
CN106548768B (zh) 一种音符修正的方法和装置
US8954179B2 (en) Sine wave generating device, digital signal processor and audio output device
Dobre et al. Development and testing of an audio forensic software for enhancing speech signals masked by loud music
TWI390841B (zh) 多速率濾波器組
CN107493528A (zh) 一种声音处理方法、装置以及麦克风
JP5780708B2 (ja) 電子機器
JP4573689B2 (ja) ハウリング防止装置
JP4713180B2 (ja) 音響信号からの情報の抽出装置