CN1204760C - Ip网上话音传输中双音多频信号的早期检测方法和装置 - Google Patents
Ip网上话音传输中双音多频信号的早期检测方法和装置 Download PDFInfo
- Publication number
- CN1204760C CN1204760C CNB008172080A CN00817208A CN1204760C CN 1204760 C CN1204760 C CN 1204760C CN B008172080 A CNB008172080 A CN B008172080A CN 00817208 A CN00817208 A CN 00817208A CN 1204760 C CN1204760 C CN 1204760C
- Authority
- CN
- China
- Prior art keywords
- dtmf
- signal
- dtmf signal
- tone
- frequency
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 119
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 42
- 230000005236 sound signal Effects 0.000 claims description 95
- 239000003550 marker Substances 0.000 claims description 38
- 238000005070 sampling Methods 0.000 claims description 34
- 238000009940 knitting Methods 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000012795 verification Methods 0.000 description 25
- 238000004458 analytical method Methods 0.000 description 20
- 238000012360 testing method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- VVOIQBFMTVCINR-WWMZEODYSA-N 11-deoxycorticosterone pivalate Chemical group C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)COC(=O)C(C)(C)C)[C@@]1(C)CC2 VVOIQBFMTVCINR-WWMZEODYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
- H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
- H04M7/1295—Details of dual tone multiple frequency signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (32)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/418,397 | 1999-10-14 | ||
US09/418,397 US7039044B1 (en) | 1999-10-14 | 1999-10-14 | Method and apparatus for early detection of DTMF signals in voice transmissions over an IP network |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1409930A CN1409930A (zh) | 2003-04-09 |
CN1204760C true CN1204760C (zh) | 2005-06-01 |
Family
ID=23657960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008172080A Expired - Lifetime CN1204760C (zh) | 1999-10-14 | 2000-10-03 | Ip网上话音传输中双音多频信号的早期检测方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7039044B1 (zh) |
EP (1) | EP1224813B1 (zh) |
CN (1) | CN1204760C (zh) |
AU (1) | AU7990200A (zh) |
WO (1) | WO2001028256A1 (zh) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7920697B2 (en) * | 1999-12-09 | 2011-04-05 | Broadcom Corp. | Interaction between echo canceller and packet voice processing |
EP1168734A1 (en) * | 2000-06-26 | 2002-01-02 | BRITISH TELECOMMUNICATIONS public limited company | Method to reduce the distortion in a voice transmission over data networks |
EP1304845A1 (de) * | 2001-10-22 | 2003-04-23 | Siemens Aktiengesellschaft | Verfahren zur Übertragung von Signaltönen in heterogenen Netzen, Vorrichtung und Computerprogrammprodukt |
FI111585B (fi) | 2001-11-12 | 2003-08-15 | Ericsson Telefon Ab L M | Signalointimenetelmä ja -järjestely langattomassa verkossa ja langaton päätelaite |
US20030194082A1 (en) | 2002-04-15 | 2003-10-16 | Eli Shoval | Method and apparatus for transmitting signaling tones over a packet switched network |
US7187656B2 (en) | 2002-05-02 | 2007-03-06 | General Instrument Corporation | Method and system for processing tones to reduce false detection of fax and modem communications |
US7230945B2 (en) * | 2002-06-28 | 2007-06-12 | Samsung Electronics Co., Ltd. | Method for sending dual-tone multi-frequency signal using voice over internet protocol |
US8289956B2 (en) | 2002-08-06 | 2012-10-16 | Intel Corporation | Communicating tone information in a network |
CN100440911C (zh) * | 2003-02-18 | 2008-12-03 | 华为技术有限公司 | 一种调节ip电话音量大小的方法 |
GB0310950D0 (en) * | 2003-05-13 | 2003-06-18 | Intellprop Ltd | Telecommunications services apparatus |
CN100446532C (zh) * | 2003-07-18 | 2008-12-24 | 鸿富锦精密工业(深圳)有限公司 | 网络电话***及通信方法 |
FR2860121A1 (fr) * | 2003-09-23 | 2005-03-25 | France Telecom | Procede d'etablissement d'un transfert de donnees entre deux dispositifs de communication et dispositif associe |
US7414976B2 (en) * | 2003-12-16 | 2008-08-19 | Intel Corporation | Method and apparatus to implement operation and maintenance (OAM) functions on a network processor |
JP4718791B2 (ja) * | 2004-04-16 | 2011-07-06 | Necインフロンティア株式会社 | Dtmfトーン信号送信方法及びdtmfトーン信号送信システム |
US7426235B1 (en) * | 2004-10-15 | 2008-09-16 | Xilinx, Inc. | Method of adaptive equalization for high-speed NRZ and multi-level signal data communications |
CN100454938C (zh) * | 2004-12-15 | 2009-01-21 | 华为技术有限公司 | 信号检测方法及装置 |
JP4862262B2 (ja) * | 2005-02-14 | 2012-01-25 | 日本電気株式会社 | Dtmf信号処理方法、処理装置、中継装置、及び通信端末装置 |
KR100748514B1 (ko) * | 2006-01-13 | 2007-08-14 | 엘지전자 주식회사 | Sip 기반 세션 서비스의 데이터 처리 방법 및 단말 |
US8385218B2 (en) * | 2006-10-12 | 2013-02-26 | Sharp Kabushiki Kaisha | Communication apparatus and communication method |
US8018918B2 (en) * | 2007-06-29 | 2011-09-13 | Genband Us Llc | Methods and apparatus for dual-tone multi-frequency signal conversion within a media over internet protocol network |
US8504377B2 (en) * | 2007-11-21 | 2013-08-06 | Lg Electronics Inc. | Method and an apparatus for processing a signal using length-adjusted window |
DE102007061312A1 (de) * | 2007-12-19 | 2009-06-25 | Siemens Aktiengesellschaft | Verfahren und Empfangseinrichtung zum Synchronisieren eines paketorientiert empfangenen mit einem gebildeten Tonsignal |
US8031708B2 (en) * | 2007-12-27 | 2011-10-04 | Genband Us Llc | Methods and apparatus for dual-tone multi-frequency signal analysis within a media over internet protocol network |
WO2009112891A1 (en) * | 2008-03-14 | 2009-09-17 | Freescale Semiconductor, Inc. | Dtmf tone monitoring apparatus and method of identifying a dtmf tone |
CN101340681B (zh) * | 2008-08-13 | 2011-05-11 | 中兴通讯股份有限公司 | 一种屏蔽外接话机dtmf音的实现方法及装置 |
CN101394443B (zh) * | 2008-10-24 | 2013-03-20 | 华为技术有限公司 | 一种带内收号的方法、***及设备 |
CN101702749B (zh) * | 2009-11-03 | 2013-01-16 | 中兴通讯股份有限公司 | 双音多频事件帧处理方法、***和媒体网关 |
US8391457B2 (en) | 2010-04-26 | 2013-03-05 | Research In Motion Limited | Systems and methods of timing DTMF tones for telephony control |
CN102457631A (zh) * | 2010-10-21 | 2012-05-16 | 西安龙飞软件有限公司 | 一种3g无线路由器带内双音多频音消除的方法和装置 |
US10491413B2 (en) | 2011-09-20 | 2019-11-26 | Jonathan A. Clark | Secure processing of confidential information on a network |
CN102420920B (zh) * | 2011-12-20 | 2013-05-08 | 南京邮电大学 | Voip网络中dtmf流的传输方法 |
US20130242978A1 (en) | 2012-03-14 | 2013-09-19 | Radovan Prodanovic | System preventing double digit detection caused by in-band dual-tone multi-frequency signaling and methods thereof |
EP2640051B1 (en) * | 2012-03-14 | 2018-08-01 | Mitel Networks Corporation | Packetising DTMF signals |
US9401998B2 (en) * | 2012-12-17 | 2016-07-26 | Genesys Telecommunications Laboratories, Inc. | Robust DTMF detection in an unreliable voice-over-IP (VoIP) environment |
US10264333B1 (en) * | 2017-11-17 | 2019-04-16 | Steven Eric Presser | Method and apparatus for intelligent dual-tone multi-frequency (DTMF) decoding and identification |
CN114401474B (zh) * | 2022-01-13 | 2024-03-01 | 北京中电慧声科技有限公司 | 一种数字网络音频处理器 |
CN117376467A (zh) * | 2022-06-30 | 2024-01-09 | 深圳市中兴微电子技术有限公司 | 数据处理方法、设备及计算机存储介质 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPH0653893A (ja) * | 1992-03-27 | 1994-02-25 | Motorola Inc | 信頼性よくシグナリング用トーンを提供する方法 |
AU5669194A (en) | 1992-11-16 | 1994-06-08 | Octus, Inc. | Data burst system for a telephone network |
CA2171485C (en) | 1995-03-23 | 1999-10-12 | Shrirang Jangi | Dtmf tone passer in a voice communication system |
FI100932B (fi) | 1995-04-12 | 1998-03-13 | Nokia Telecommunications Oy | Äänitaajuussignaalien lähetys radiopuhelinjärjestelmässä |
US5619564A (en) * | 1995-05-31 | 1997-04-08 | Lucent Technologies Inc. | Tone detector with improved performance in the presence of speech |
US5644634A (en) * | 1995-11-29 | 1997-07-01 | Advanced Micro Devices | System and method for dual tone multifrequency detection using variable frame widths |
US5588053A (en) * | 1995-11-29 | 1996-12-24 | Advanced Micro Devices | DTMF detector system and method which performs static and dynamic thresholding |
US6031903A (en) * | 1996-12-16 | 2000-02-29 | At&T Corp | Method for expediting access to services on a switched communications network |
US6385202B1 (en) * | 1997-10-01 | 2002-05-07 | At&T Corp. | Method and system for allowing access to traditional voice mail and interactive voice response systems over internet-like networks |
US6650662B1 (en) * | 1997-12-12 | 2003-11-18 | International Business Machines Corporation | Method and system for transmitting a DTMF signal with compressed voice in a packet switching network |
US6385192B1 (en) | 1998-03-24 | 2002-05-07 | Siemens Information And Communication Networks, Inc. | Method and apparatus for DTMF signaling on compressed voice networks |
US6259691B1 (en) | 1998-07-24 | 2001-07-10 | 3Com Corporation | System and method for efficiently transporting dual-tone multi-frequency/multiple frequency (DTMF/MF) tones in a telephone connection on a network-based telephone system |
US6330311B1 (en) * | 1998-08-19 | 2001-12-11 | L.C.R. Global Communications, Inc. | Low cost call routing system for telecommunications unit |
US6141341A (en) * | 1998-09-09 | 2000-10-31 | Motorola, Inc. | Voice over internet protocol telephone system and method |
US6298055B1 (en) * | 1998-10-26 | 2001-10-02 | Cisco Technology, Inc. | Early detection of in-band signals in a packet voice transmitter with reduced transmission delay |
US6757276B1 (en) * | 1998-11-24 | 2004-06-29 | 3Com Corporation | Touch tone replacement for internet telephony |
US6775265B1 (en) * | 1998-11-30 | 2004-08-10 | Cisco Technology, Inc. | Method and apparatus for minimizing delay induced by DTMF processing in packet telephony systems |
US6400709B1 (en) * | 1998-12-02 | 2002-06-04 | Intel Corporation | DTMF detection in internet telephony |
US6757367B1 (en) * | 1999-09-20 | 2004-06-29 | Broadcom Corporation | Packet based network exchange with rate synchronization |
-
1999
- 1999-10-14 US US09/418,397 patent/US7039044B1/en not_active Expired - Lifetime
-
2000
- 2000-10-03 WO PCT/US2000/027160 patent/WO2001028256A1/en active Application Filing
- 2000-10-03 CN CNB008172080A patent/CN1204760C/zh not_active Expired - Lifetime
- 2000-10-03 AU AU79902/00A patent/AU7990200A/en not_active Abandoned
- 2000-10-03 EP EP00970537A patent/EP1224813B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1224813A1 (en) | 2002-07-24 |
WO2001028256A1 (en) | 2001-04-19 |
AU7990200A (en) | 2001-04-23 |
EP1224813B1 (en) | 2012-12-26 |
US7039044B1 (en) | 2006-05-02 |
WO2001028256A9 (en) | 2002-11-14 |
CN1409930A (zh) | 2003-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1204760C (zh) | Ip网上话音传输中双音多频信号的早期检测方法和装置 | |
CN1089513C (zh) | 两线调制解调器及其通信方法 | |
CN1218506C (zh) | 采用状态判断来控制数字电话***中的功能元件的方法和装置 | |
US20060245364A1 (en) | Bi-directional continuous voice and video quality testing system with TTMF tones | |
CN1205800C (zh) | 为后续的离线语音识别记录语音信息的记录设备 | |
CN1443400A (zh) | 用于数字无线通信网络内数据通信的增强带内信令 | |
EP0982904A2 (en) | Method for conveying TTY signals over wireless communication systems | |
CN1210685C (zh) | 语音编码中噪音鲁棒分类方法 | |
US8737571B1 (en) | Methods and apparatus providing call quality testing | |
CN1327329A (zh) | 语音处理方法和语音处理设备 | |
CN1260928A (zh) | 用于测试通信***的方法和设备 | |
CN1691710A (zh) | 端到端语音质量自动测试***及其方法 | |
CN1592236A (zh) | 一种测试语音质量的方法及装置 | |
US6834040B2 (en) | Measurement synchronization method for voice over packet communication systems | |
CN1822681A (zh) | 擦除作为语音数据发送的dtmf信号 | |
KR101199448B1 (ko) | 확장된 E-모델을 이용한 VoIP 기반 음성품질 예측 장치, 방법 및 기록매체 | |
CN1650606A (zh) | 用于处理音调以降低传真和调制解调器通信误检测的方法和*** | |
CN1625128A (zh) | 测试方法及*** | |
CN1732677A (zh) | 语音通信*** | |
US8964966B2 (en) | Multi-microphone system to support bandpass filtering for analog-to-digital conversions at different data rates | |
EP2139212B1 (fr) | Procédé et dispositif de traitement de données numériques représentatives de signaux audio dans un système de réception | |
JP3983119B2 (ja) | モデム装置、及び通信装置、並びに通信方法 | |
CN1163001C (zh) | 公共交换电信网和综合业务数字网混合测试方法 | |
CN1791150A (zh) | 信号检测方法及装置 | |
CN114265334A (zh) | 一种自动模拟环路阻抗匹配探测方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: The American state of Massachusetts Patentee after: Marion bide Technology Co.,Ltd. Address before: California, USA Patentee before: Mindspeed Technologies, Inc. |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180418 Address after: The American state of Massachusetts Patentee after: Magnesium Microwave Technology Co.,Ltd. Address before: The American state of Massachusetts Patentee before: Marion bide Technology Co.,Ltd. Effective date of registration: 20180418 Address after: California, USA Patentee after: Mindspeed Technologies, Inc. Address before: California, USA Patentee before: Conexant Systems, Inc. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20050601 |
|
CX01 | Expiry of patent term |