TWI265720B - Method and system for tone detection - Google Patents

Method and system for tone detection

Info

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
Application number
TW093139146A
Other languages
English (en)
Chinese (zh)
Other versions
TW200526000A (en
Inventor
Siu Lam
Kai Miao
Amin Rhemtulla
Original Assignee
Intel 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 Intel Corp filed Critical Intel Corp
Publication of TW200526000A publication Critical patent/TW200526000A/zh
Application granted granted Critical
Publication of TWI265720B publication Critical patent/TWI265720B/zh

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)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
TW093139146A 2003-12-23 2004-12-16 Method and system for tone detection TWI265720B (en)

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 (enExample)
EP (1) EP1698184B1 (enExample)
JP (1) JP4206115B2 (enExample)
KR (1) KR100839691B1 (enExample)
CN (1) CN1898970B (enExample)
AT (1) ATE525864T1 (enExample)
TW (1) TWI265720B (enExample)
WO (1) WO2005067321A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
US8804553B2 (en) * 2009-05-14 2014-08-12 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100932B (fi) * 1995-04-12 1998-03-13 Nokia Telecommunications Oy Äänitaajuussignaalien lähetys radiopuhelinjärjestelmässä
CN1136536C (zh) * 1996-01-16 2004-01-28 雅马哈株式会社 音调检测装置
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
US6711540B1 (en) * 1998-09-25 2004-03-23 Legerity, Inc. Tone detector with noise detection and dynamic thresholding for robust performance
US6370555B1 (en) * 1998-09-25 2002-04-09 Legerity, Inc. Method and system for improved detection of analog signals
US6763106B1 (en) * 1998-11-19 2004-07-13 Legerity Inc. Signal detector with duration-based frame width
EP1273120B1 (en) * 2000-04-07 2006-11-15 Broadcom Corporation Frame-based communication with variable rate payload
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
EP1335614B1 (en) 2002-02-08 2007-11-07 Hewlett Packard Company, a Delaware Corporation Improvements in DTMF tone detection
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

Also Published As

Publication number Publication date
CN1898970B (zh) 2011-01-26
US20050135431A1 (en) 2005-06-23
ATE525864T1 (de) 2011-10-15
CN1898970A (zh) 2007-01-17
TW200526000A (en) 2005-08-01
KR100839691B1 (ko) 2008-06-19
JP4206115B2 (ja) 2009-01-07
WO2005067321A1 (en) 2005-07-21
JP2007514379A (ja) 2007-05-31
EP1698184B1 (en) 2011-09-21
EP1698184A1 (en) 2006-09-06
KR20060108726A (ko) 2006-10-18
US7715447B2 (en) 2010-05-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees