GB0018630D0 - Data modem - Google Patents

Data modem

Info

Publication number
GB0018630D0
GB0018630D0 GB0018630A GB0018630A GB0018630D0 GB 0018630 D0 GB0018630 D0 GB 0018630D0 GB 0018630 A GB0018630 A GB 0018630A GB 0018630 A GB0018630 A GB 0018630A GB 0018630 D0 GB0018630 D0 GB 0018630D0
Authority
GB
United Kingdom
Prior art keywords
data modem
modem
data
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.)
Withdrawn
Application number
GB0018630A
Other versions
GB2365297A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0018630A priority Critical patent/GB2365297A/en
Publication of GB0018630D0 publication Critical patent/GB0018630D0/en
Publication of GB2365297A publication Critical patent/GB2365297A/en
Withdrawn legal-status Critical Current

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB0018630A 2000-07-28 2000-07-28 Data modem compatible with speech codecs Withdrawn GB2365297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0018630A GB2365297A (en) 2000-07-28 2000-07-28 Data modem compatible with speech codecs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0018630A GB2365297A (en) 2000-07-28 2000-07-28 Data modem compatible with speech codecs

Publications (2)

Publication Number Publication Date
GB0018630D0 true GB0018630D0 (en) 2000-09-13
GB2365297A GB2365297A (en) 2002-02-13

Family

ID=9896590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0018630A Withdrawn GB2365297A (en) 2000-07-28 2000-07-28 Data modem compatible with speech codecs

Country Status (1)

Country Link
GB (1) GB2365297A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9048784B2 (en) * 2007-04-03 2015-06-02 General Motors Llc Method for data communication via a voice channel of a wireless communication network using continuous signal modulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648989A (en) * 1994-12-21 1997-07-15 Paradyne Corporation Linear prediction filter coefficient quantizer and filter set
US6112084A (en) * 1998-03-24 2000-08-29 Telefonaktiebolaget Lm Ericsson Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork

Also Published As

Publication number Publication date
GB2365297A (en) 2002-02-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)