IL148511A0 - Voice transmitter - Google Patents

Voice transmitter

Info

Publication number
IL148511A0
IL148511A0 IL14851102A IL14851102A IL148511A0 IL 148511 A0 IL148511 A0 IL 148511A0 IL 14851102 A IL14851102 A IL 14851102A IL 14851102 A IL14851102 A IL 14851102A IL 148511 A0 IL148511 A0 IL 148511A0
Authority
IL
Israel
Prior art keywords
voice transmitter
transmitter
voice
Prior art date
Application number
IL14851102A
Other languages
English (en)
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of IL148511A0 publication Critical patent/IL148511A0/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • 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
    • H04Q1/4575—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 which are transmitted in digital form
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
  • Transmitters (AREA)
IL14851102A 2001-03-30 2002-03-05 Voice transmitter IL148511A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001101569A JP3786842B2 (ja) 2001-03-30 2001-03-30 音声伝送装置

Publications (1)

Publication Number Publication Date
IL148511A0 true IL148511A0 (en) 2002-09-12

Family

ID=18954863

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14851102A IL148511A0 (en) 2001-03-30 2002-03-05 Voice transmitter

Country Status (6)

Country Link
US (1) US6683944B2 (xx)
EP (1) EP1246444B1 (xx)
JP (1) JP3786842B2 (xx)
CN (1) CN1215663C (xx)
DE (1) DE60204380T2 (xx)
IL (1) IL148511A0 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4872415B2 (ja) * 2006-03-31 2012-02-08 日本電気株式会社 信号劣化検出方法、信号復旧検出方法及びそれらの装置並びにトラフィック伝送システム
WO2009030972A1 (en) * 2007-09-06 2009-03-12 Chin San Sathya Wong Method and system of generating and presenting search results
WO2009112891A1 (en) * 2008-03-14 2009-09-17 Freescale Semiconductor, Inc. Dtmf tone monitoring apparatus and method of identifying a dtmf tone
US8391467B2 (en) * 2009-03-25 2013-03-05 Koplar Interactive Systems International L.L.C. Methods and systems for encoding and decoding audio signals
JP5440272B2 (ja) * 2010-03-08 2014-03-12 富士通株式会社 プッシュ信号の伝送状況判定方法、プログラム及び装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579927A2 (en) 1992-06-24 1994-01-26 Siemens Rolm Communications Inc. (a Delaware corp.) DTMF signal detection for voice processing equipment
JPH08307366A (ja) 1995-05-02 1996-11-22 Japan Radio Co Ltd 音声符号化装置
EP1059782A3 (en) 1999-06-10 2004-02-04 Lucent Technologies Inc. Method and apparatus for dynamically allocating bandwidth utilization in a packet telephony network
JP3514294B2 (ja) 1999-06-17 2004-03-31 三菱電機株式会社 音声符号化復号装置、音声符号化復号システムおよび音声符号化復号方法

Also Published As

Publication number Publication date
EP1246444A3 (en) 2002-11-06
JP3786842B2 (ja) 2006-06-14
CN1215663C (zh) 2005-08-17
DE60204380T2 (de) 2006-03-23
DE60204380D1 (de) 2005-07-07
US6683944B2 (en) 2004-01-27
JP2002300619A (ja) 2002-10-11
EP1246444B1 (en) 2005-06-01
CN1379555A (zh) 2002-11-13
EP1246444A2 (en) 2002-10-02
US20020141552A1 (en) 2002-10-03

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