GB2406019B - Digital transmission system - Google Patents

Digital transmission system

Info

Publication number
GB2406019B
GB2406019B GB0321271A GB0321271A GB2406019B GB 2406019 B GB2406019 B GB 2406019B GB 0321271 A GB0321271 A GB 0321271A GB 0321271 A GB0321271 A GB 0321271A GB 2406019 B GB2406019 B GB 2406019B
Authority
GB
United Kingdom
Prior art keywords
transmission system
digital transmission
digital
transmission
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 - Fee Related
Application number
GB0321271A
Other versions
GB0321271D0 (en
GB2406019A (en
Inventor
Kendall Castor-Perry
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.)
Toumaz Technology Ltd
Original Assignee
Toumaz Technology Ltd
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 Toumaz Technology Ltd filed Critical Toumaz Technology Ltd
Priority to GB0321271A priority Critical patent/GB2406019B/en
Publication of GB0321271D0 publication Critical patent/GB0321271D0/en
Priority to PCT/GB2004/050002 priority patent/WO2005024785A1/en
Publication of GB2406019A publication Critical patent/GB2406019A/en
Application granted granted Critical
Publication of GB2406019B publication Critical patent/GB2406019B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • 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
    • G10L19/04—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 using predictive techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
GB0321271A 2003-09-11 2003-09-11 Digital transmission system Expired - Fee Related GB2406019B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0321271A GB2406019B (en) 2003-09-11 2003-09-11 Digital transmission system
PCT/GB2004/050002 WO2005024785A1 (en) 2003-09-11 2004-08-19 Digital transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0321271A GB2406019B (en) 2003-09-11 2003-09-11 Digital transmission system

Publications (3)

Publication Number Publication Date
GB0321271D0 GB0321271D0 (en) 2003-10-08
GB2406019A GB2406019A (en) 2005-03-16
GB2406019B true GB2406019B (en) 2007-06-13

Family

ID=29226890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0321271A Expired - Fee Related GB2406019B (en) 2003-09-11 2003-09-11 Digital transmission system

Country Status (2)

Country Link
GB (1) GB2406019B (en)
WO (1) WO2005024785A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715723B2 (en) † 2006-05-16 2012-12-05 Phonak AG Hearing system with network time
US8588443B2 (en) 2006-05-16 2013-11-19 Phonak Ag Hearing system with network time
CN110995363B (en) * 2019-12-09 2021-12-21 威海市天罡仪表股份有限公司 High-speed half-duplex ultrasonic communication device with short distance between modules

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202416A (en) * 1987-02-16 1988-09-21 British Broadcasting Corp Signal transmission system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH641619A5 (en) * 1979-08-30 1984-02-29 Phonak Ag Hearing-aid with receiver part
GB9217819D0 (en) * 1992-08-21 1992-10-07 Philips Electronics Uk Ltd Data coding system
US5982904A (en) * 1998-01-22 1999-11-09 Voice Communication Interface Corp. Wireless headset

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202416A (en) * 1987-02-16 1988-09-21 British Broadcasting Corp Signal transmission system

Also Published As

Publication number Publication date
WO2005024785A1 (en) 2005-03-17
GB0321271D0 (en) 2003-10-08
GB2406019A (en) 2005-03-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100911