FR2312895A1 - Procede pour masquer des signaux de parole a l'aide de matrices orthogonales - Google Patents

Procede pour masquer des signaux de parole a l'aide de matrices orthogonales

Info

Publication number
FR2312895A1
FR2312895A1 FR7616295A FR7616295A FR2312895A1 FR 2312895 A1 FR2312895 A1 FR 2312895A1 FR 7616295 A FR7616295 A FR 7616295A FR 7616295 A FR7616295 A FR 7616295A FR 2312895 A1 FR2312895 A1 FR 2312895A1
Authority
FR
France
Prior art keywords
speech signals
orthogonal matrices
masking speech
masking
matrices
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.)
Granted
Application number
FR7616295A
Other languages
English (en)
French (fr)
Other versions
FR2312895B1 (enExample
Inventor
Jorg Robra
Peter Rohm
Gerhard Kaminski
Helmut Gruhl
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.)
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Original Assignee
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
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 Tekade Felten and Guilleaume Fernmeldeanlagen GmbH filed Critical Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Publication of FR2312895A1 publication Critical patent/FR2312895A1/fr
Application granted granted Critical
Publication of FR2312895B1 publication Critical patent/FR2312895B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR7616295A 1975-05-30 1976-05-31 Procede pour masquer des signaux de parole a l'aide de matrices orthogonales Granted FR2312895A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2523828A DE2523828C2 (de) 1975-05-30 1975-05-30 Verfahren zur Verschleierung von Sprachsignalen mit Hilfe orthogonaler Matrizen

Publications (2)

Publication Number Publication Date
FR2312895A1 true FR2312895A1 (fr) 1976-12-24
FR2312895B1 FR2312895B1 (enExample) 1982-06-11

Family

ID=5947713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616295A Granted FR2312895A1 (fr) 1975-05-30 1976-05-31 Procede pour masquer des signaux de parole a l'aide de matrices orthogonales

Country Status (11)

Country Link
AT (1) AT351603B (enExample)
AU (1) AU501272B2 (enExample)
BE (1) BE842316A (enExample)
CH (1) CH613575A5 (enExample)
DE (1) DE2523828C2 (enExample)
DK (1) DK139408C (enExample)
FR (1) FR2312895A1 (enExample)
GB (1) GB1522062A (enExample)
NL (1) NL171003C (enExample)
SE (1) SE409798B (enExample)
ZA (1) ZA763090B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811635A1 (de) * 1978-03-17 1979-09-20 Tekade Felten & Guilleaume Pseudozufaellige erzeugung von orthogonalen matrizen fuer verschluesselungszwecke
CH649181A5 (de) * 1980-02-01 1985-04-30 Schweiz Eidgenossenschaft Verfahren und schaltungsanordnung zur gesicherten uebertragung von sprachsignalen.
JP3724676B2 (ja) * 1997-03-10 2005-12-07 ソニー株式会社 通信方法及び送信装置並びに受信装置
JPH1168696A (ja) * 1997-08-19 1999-03-09 Sony Corp 通信方法及び送信装置及び受信装置並びにセルラー無線通信システム
CN110489989A (zh) * 2019-08-27 2019-11-22 深圳市道通智能航空技术有限公司 数据加密/解密方法、其加密/解密芯片及其无人机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1582036A (enExample) * 1968-03-15 1969-09-26

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH232786A (de) * 1939-07-14 1944-06-15 Patelhold Patentverwertung Einrichtung zur geheimen Nachrichtenübermittlung.
CH237094A (de) * 1939-07-26 1945-03-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Übermittlung von geheimzuhaltenden Nachrichten.
BE455172A (enExample) * 1943-04-05
CH246844A (de) * 1945-09-15 1947-01-31 Patelhold Patentverwertung Verfahren und Einrichtung zur Verschleierung von elektrisch übermittelten Sprachnachrichten.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1582036A (enExample) * 1968-03-15 1969-09-26

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/71 *
NV8054/73 *

Also Published As

Publication number Publication date
SE7605731L (sv) 1976-12-01
NL171003B (nl) 1982-08-16
DK139408B (da) 1979-02-12
DK139408C (da) 1979-07-30
FR2312895B1 (enExample) 1982-06-11
ATA391676A (de) 1979-01-15
AU1437276A (en) 1977-12-01
DK155076A (da) 1976-12-01
CH613575A5 (en) 1979-09-28
AU501272B2 (en) 1979-06-14
BE842316A (fr) 1976-09-16
NL171003C (nl) 1983-01-17
ZA763090B (en) 1978-01-25
SE409798B (sv) 1979-09-03
AT351603B (de) 1979-08-10
DE2523828B1 (de) 1976-11-25
NL7602959A (nl) 1976-12-02
DE2523828C2 (de) 1982-08-12
GB1522062A (en) 1978-08-23

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Legal Events

Date Code Title Description
ST Notification of lapse