TWI265720B - Method and system for tone detection - Google Patents
Method and system for tone detectionInfo
- Publication number
- TWI265720B TWI265720B TW093139146A TW93139146A TWI265720B TW I265720 B TWI265720 B TW I265720B TW 093139146 A TW093139146 A TW 093139146A TW 93139146 A TW93139146 A TW 93139146A TW I265720 B TWI265720 B TW I265720B
- Authority
- TW
- Taiwan
- Prior art keywords
- tone
- frame
- signal
- frames
- series
- Prior art date
Links
Classifications
-
- 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
- H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/746,900 US7715447B2 (en) | 2003-12-23 | 2003-12-23 | Method and system for tone detection |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200526000A TW200526000A (en) | 2005-08-01 |
TWI265720B true TWI265720B (en) | 2006-11-01 |
Family
ID=34679275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093139146A TWI265720B (en) | 2003-12-23 | 2004-12-16 | Method and system for tone detection |
Country Status (8)
Country | Link |
---|---|
US (1) | US7715447B2 (zh) |
EP (1) | EP1698184B1 (zh) |
JP (1) | JP4206115B2 (zh) |
KR (1) | KR100839691B1 (zh) |
CN (1) | CN1898970B (zh) |
AT (1) | ATE525864T1 (zh) |
TW (1) | TWI265720B (zh) |
WO (1) | WO2005067321A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101383982B (zh) * | 2008-10-21 | 2011-11-23 | 松翰科技股份有限公司 | 适用于自动控制装置的音调检测方法及音调检测装置 |
WO2010131074A1 (en) * | 2009-05-14 | 2010-11-18 | Freescale Semiconductor, Inc. | Tone relay system and method |
CN105050021B (zh) * | 2015-08-05 | 2019-02-22 | Oppo广东移动通信有限公司 | 耳机音质检测方法、系统及终端 |
CN106887241A (zh) | 2016-10-12 | 2017-06-23 | 阿里巴巴集团控股有限公司 | 一种语音信号检测方法与装置 |
US10621980B2 (en) * | 2017-03-21 | 2020-04-14 | Harman International Industries, Inc. | Execution of voice commands in a multi-device system |
GB2596169B (en) * | 2020-02-11 | 2022-04-27 | Tymphany Acoustic Tech Ltd | A method and an audio processing unit for detecting a tone |
US11445283B2 (en) * | 2020-10-13 | 2022-09-13 | Plantronics, Inc. | Systems and methods for automated configuration of telephone headset interface |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI100932B (fi) * | 1995-04-12 | 1998-03-13 | Nokia Telecommunications Oy | Äänitaajuussignaalien lähetys radiopuhelinjärjestelmässä |
KR100406655B1 (ko) * | 1996-01-16 | 2004-03-31 | 야마하 가부시키가이샤 | 피치검출장치 |
US5809133A (en) * | 1996-05-24 | 1998-09-15 | Advanced Micro Devices, Inc. | DTMF detector system and method which performs frequency domain energy calculations with improved performance |
US6046977A (en) * | 1998-09-23 | 2000-04-04 | Advanced Microdevices, Inc. | Method and apparatus for detecting signal misalignment |
US6370555B1 (en) * | 1998-09-25 | 2002-04-09 | Legerity, Inc. | Method and system for improved detection of analog signals |
US6711540B1 (en) * | 1998-09-25 | 2004-03-23 | Legerity, Inc. | Tone detector with noise detection and dynamic thresholding for robust performance |
US6763106B1 (en) * | 1998-11-19 | 2004-07-13 | Legerity Inc. | Signal detector with duration-based frame width |
US6882634B2 (en) * | 2000-04-07 | 2005-04-19 | Broadcom Corporation | Method for selecting frame encoding parameters to improve transmission performance in a frame-based communications network |
US6873701B1 (en) * | 2001-03-29 | 2005-03-29 | 3Com Corporation | System and method for DTMF detection using likelihood ratios |
US20030123574A1 (en) * | 2001-12-31 | 2003-07-03 | Simeon Richard Corpuz | System and method for robust tone detection |
ATE377911T1 (de) | 2002-02-08 | 2007-11-15 | Hewlett Packard Co | Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales |
US7257165B2 (en) * | 2002-04-18 | 2007-08-14 | Gardner Steven H | Method and apparatus for preamble detection and time synchronization estimation in OFDM communication systems |
US20050058273A1 (en) * | 2003-09-11 | 2005-03-17 | Lam Siu H. | Methods and apparatus for detecting signaling tones in telephony data signal |
-
2003
- 2003-12-23 US US10/746,900 patent/US7715447B2/en not_active Expired - Fee Related
-
2004
- 2004-12-10 AT AT04813937T patent/ATE525864T1/de not_active IP Right Cessation
- 2004-12-10 KR KR1020067012504A patent/KR100839691B1/ko active IP Right Grant
- 2004-12-10 EP EP04813937A patent/EP1698184B1/en not_active Not-in-force
- 2004-12-10 CN CN200480038724XA patent/CN1898970B/zh not_active Expired - Fee Related
- 2004-12-10 WO PCT/US2004/041688 patent/WO2005067321A1/en not_active Application Discontinuation
- 2004-12-10 JP JP2006544077A patent/JP4206115B2/ja not_active Expired - Fee Related
- 2004-12-16 TW TW093139146A patent/TWI265720B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1898970A (zh) | 2007-01-17 |
US20050135431A1 (en) | 2005-06-23 |
KR20060108726A (ko) | 2006-10-18 |
CN1898970B (zh) | 2011-01-26 |
EP1698184B1 (en) | 2011-09-21 |
KR100839691B1 (ko) | 2008-06-19 |
EP1698184A1 (en) | 2006-09-06 |
JP2007514379A (ja) | 2007-05-31 |
TW200526000A (en) | 2005-08-01 |
US7715447B2 (en) | 2010-05-11 |
ATE525864T1 (de) | 2011-10-15 |
JP4206115B2 (ja) | 2009-01-07 |
WO2005067321A1 (en) | 2005-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |