IT1188794B - Metodo e dispositivo per la trasmissione di segnali vocali - Google Patents

Metodo e dispositivo per la trasmissione di segnali vocali

Info

Publication number
IT1188794B
IT1188794B IT26085/79A IT2608579A IT1188794B IT 1188794 B IT1188794 B IT 1188794B IT 26085/79 A IT26085/79 A IT 26085/79A IT 2608579 A IT2608579 A IT 2608579A IT 1188794 B IT1188794 B IT 1188794B
Authority
IT
Italy
Prior art keywords
transmission
voice signals
voice
signals
Prior art date
Application number
IT26085/79A
Other languages
English (en)
Other versions
IT7926085A0 (it
Inventor
Hans Rudolf Schindler
Peter Vettiger
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7926085A0 publication Critical patent/IT7926085A0/it
Application granted granted Critical
Publication of IT1188794B publication Critical patent/IT1188794B/it

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IT26085/79A 1978-10-27 1979-09-28 Metodo e dispositivo per la trasmissione di segnali vocali IT1188794B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1111578A CH637510A5 (de) 1978-10-27 1978-10-27 Verfahren und anordnung zur uebertragung von sprachsignalen sowie anwendung des verfahrens.

Publications (2)

Publication Number Publication Date
IT7926085A0 IT7926085A0 (it) 1979-09-28
IT1188794B true IT1188794B (it) 1988-01-28

Family

ID=4370222

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26085/79A IT1188794B (it) 1978-10-27 1979-09-28 Metodo e dispositivo per la trasmissione di segnali vocali

Country Status (7)

Country Link
US (1) US4267407A (it)
EP (1) EP0010600B1 (it)
JP (1) JPS5849880B2 (it)
CA (1) CA1120619A (it)
CH (1) CH637510A5 (it)
DE (1) DE2964995D1 (it)
IT (1) IT1188794B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375581A (en) * 1980-06-30 1983-03-01 Bell Telephone Laboratories, Incorporated Digital transmission error reduction
US4498173A (en) * 1982-06-17 1985-02-05 At&T Bell Laboratories Technique for digital split-channel transmission using interpolative coders and decoders
US4501001A (en) * 1982-11-04 1985-02-19 Communications Satellite Corporation Variable slope delta coding processor using adaptive prediction
GB2170641B (en) * 1984-12-17 1989-10-04 Canon Kk Rotary head type recording and/or reproducing apparatus
US4969193A (en) * 1985-08-29 1990-11-06 Scott Instruments Corporation Method and apparatus for generating a signal transformation and the use thereof in signal processing
CA1261472A (en) * 1985-09-26 1989-09-26 Yoshinao Shiraki Reference speech pattern generating method
DE3883519T2 (de) * 1988-03-08 1994-03-17 Ibm Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten.
GB2229342A (en) * 1989-03-15 1990-09-19 Marconi Gec Ltd Data reduction of digitised speech signals
US5025471A (en) * 1989-08-04 1991-06-18 Scott Instruments Corporation Method and apparatus for extracting information-bearing portions of a signal for recognizing varying instances of similar patterns
CN1099663C (zh) * 1994-03-11 2003-01-22 皇家菲利浦电子有限公司 准周期信号的传输***
WO2014049192A1 (en) * 2012-09-26 2014-04-03 Nokia Corporation A method, an apparatus and a computer program for creating an audio composition signal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1152534A (fr) * 1956-06-27 1958-02-19 Acec Appareil de transformation de valeurs variant d'une manière continue
DE1296212B (de) * 1967-08-19 1969-05-29 Telefunken Patent Verfahren zur UEbertragung von Sprachsignalen mit verminderter Bandbreite
US3641496A (en) * 1969-06-23 1972-02-08 Phonplex Corp Electronic voice annunciating system having binary data converted into audio representations
US3659052A (en) * 1970-05-21 1972-04-25 Phonplex Corp Multiplex terminal with redundancy reduction
FR2106533A1 (it) * 1970-09-15 1972-05-05 Licentia Gmbh
JPS5154714A (en) * 1974-10-16 1976-05-14 Nippon Telegraph & Telephone Tajuonseidensohoshiki
US4009343A (en) * 1974-12-30 1977-02-22 International Business Machines Corporation Switching and activity compression between telephone lines and digital communication channels
US4032719A (en) * 1975-06-26 1977-06-28 International Business Machines Corporation Modular slot interchange digital exchange
US4130729A (en) * 1977-09-19 1978-12-19 Scitronix Corporation Compressed speech system

Also Published As

Publication number Publication date
CA1120619A (en) 1982-03-23
DE2964995D1 (en) 1983-04-14
CH637510A5 (de) 1983-07-29
JPS5561000A (en) 1980-05-08
EP0010600B1 (de) 1983-03-09
EP0010600A1 (de) 1980-05-14
JPS5849880B2 (ja) 1983-11-07
IT7926085A0 (it) 1979-09-28
US4267407A (en) 1981-05-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930929