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ES401344A1 - Sistema de transmision de conversacion. - Google Patents

Sistema de transmision de conversacion.

Info

Publication number
ES401344A1
ES401344A1 ES401344A ES401344A ES401344A1 ES 401344 A1 ES401344 A1 ES 401344A1 ES 401344 A ES401344 A ES 401344A ES 401344 A ES401344 A ES 401344A ES 401344 A1 ES401344 A1 ES 401344A1
Authority
ES
Spain
Prior art keywords
transmission system
fricative
transmitted
sounds
speech 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
Application number
ES401344A
Other languages
English (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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES401344A1 publication Critical patent/ES401344A1/es
Expired 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
    • 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
    • H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—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 reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (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)
  • Machine Translation (AREA)
  • Analogue/Digital Conversion (AREA)
ES401344A 1971-04-01 1972-03-29 Sistema de transmision de conversacion. Expired ES401344A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838271 1971-04-01

Publications (1)

Publication Number Publication Date
ES401344A1 true ES401344A1 (es) 1975-02-16

Family

ID=9851479

Family Applications (1)

Application Number Title Priority Date Filing Date
ES401344A Expired ES401344A1 (es) 1971-04-01 1972-03-29 Sistema de transmision de conversacion.

Country Status (2)

Country Link
ES (1) ES401344A1 (es)
GB (1) GB1317541A (es)

Also Published As

Publication number Publication date
GB1317541A (en) 1973-05-23

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