AU501272B2 - Encoding and decoding speech signals - Google Patents

Encoding and decoding speech signals

Info

Publication number: AU501272B2
Authority: AU; Australia
Prior art keywords: encoding; speech signals; decoding speech; decoding; signals
Prior art date: 1975-05-30
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

AU14372/76A

Other versions

AU1437276A (en

Inventor

J. Rohm P. Kaminski G. & Grohl H Robia

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

BESCHRANKTER HAFTUNG

TEKADE FELTEN AND GUILLEAUME FERNMELDEANLAGEN GESELLSCHAFT MIT

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.)

1975-05-30

Filing date

1976-05-27

Publication date

1979-06-14

1976-05-27 Application filed by BESCHRANKTER HAFTUNG, TEKADE FELTEN AND GUILLEAUME FERNMELDEANLAGEN GESELLSCHAFT MIT, Tekade Felten and Guilleaume Fernmeldeanlagen GmbH filed Critical BESCHRANKTER HAFTUNG

1977-12-01 Publication of AU1437276A publication Critical patent/AU1437276A/en

1979-06-14 Application granted granted Critical

1979-06-14 Publication of AU501272B2 publication Critical patent/AU501272B2/en

Status Expired 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)

AU14372/76A 1975-05-30 1976-05-27 Encoding and decoding speech signals Expired AU501272B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEDE2523828		1975-05-30
DE2523828A DE2523828C2 (en)	1975-05-30	1975-05-30	Method for obfuscating speech signals with the aid of orthogonal matrices

Publications (2)

Publication Number	Publication Date
AU1437276A AU1437276A (en)	1977-12-01
AU501272B2 true AU501272B2 (en)	1979-06-14

Family

ID=5947713

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU14372/76A Expired AU501272B2 (en)	1975-05-30	1976-05-27	Encoding and decoding speech signals

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2811635A1 (en) *	1978-03-17	1979-09-20	Tekade Felten & Guilleaume	PSEUDO-ACCESSIBLE PRODUCTION OF ORTHOGONAL MATRICES FOR ENCYCLING PURPOSES
CH649181A5 (en) *	1980-02-01	1985-04-30	Schweiz Eidgenossenschaft	METHOD AND CIRCUIT FOR SECURED transmitting voice signals.
JP3724676B2 (en) *	1997-03-10	2005-12-07	ソニー株式会社	COMMUNICATION METHOD, TRANSMISSION DEVICE, AND RECEPTION DEVICE
JPH1168696A (en) *	1997-08-19	1999-03-09	Sony Corp	Communication method, transmitting apparatus, receiving apparatus, and cellular radio communication system
CN110489989A (en) *	2019-08-27	2019-11-22	深圳市道通智能航空技术有限公司	Data encrypting/de-encrypling method, its encryption/deciphering chip and its unmanned plane

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH232786A (en) *	1939-07-14	1944-06-15	Patelhold Patentverwertung	Device for secret messaging.
CH237094A (en) *	1939-07-26	1945-03-31	Patelhold Patentverwertung	Method and device for the transmission of messages to be kept secret.
NL63459C (en) *	1943-04-05
CH246844A (en) *	1945-09-15	1947-01-31	Patelhold Patentverwertung	Method and device for obfuscating electrically transmitted voice messages.
FR1582036A (en) *	1968-03-15	1969-09-26

1975
- 1975-05-30 DE DE2523828A patent/DE2523828C2/en not_active Expired
1976
- 1976-03-22 NL NLAANVRAGE7602959,A patent/NL171003C/en not_active IP Right Cessation
- 1976-03-31 DK DK155076A patent/DK139408C/en not_active IP Right Cessation
- 1976-05-06 GB GB18567/76A patent/GB1522062A/en not_active Expired
- 1976-05-20 SE SE7605731A patent/SE409798B/en not_active IP Right Cessation
- 1976-05-24 CH CH654276A patent/CH613575A5/en not_active IP Right Cessation
- 1976-05-25 ZA ZA00763090A patent/ZA763090B/en unknown
- 1976-05-27 AU AU14372/76A patent/AU501272B2/en not_active Expired
- 1976-05-28 AT AT391676A patent/AT351603B/en not_active IP Right Cessation
- 1976-05-28 BE BE167410A patent/BE842316A/en unknown
- 1976-05-31 FR FR7616295A patent/FR2312895A1/en active Granted

Also Published As

Publication number	Publication date
DK155076A (en)	1976-12-01
SE409798B (en)	1979-09-03
BE842316A (en)	1976-09-16
FR2312895A1 (en)	1976-12-24
DK139408C (en)	1979-07-30
DE2523828C2 (en)	1982-08-12
NL171003B (en)	1982-08-16
FR2312895B1 (en)	1982-06-11
CH613575A5 (en)	1979-09-28
DK139408B (en)	1979-02-12
NL171003C (en)	1983-01-17
SE7605731L (en)	1976-12-01
ZA763090B (en)	1978-01-25
DE2523828B1 (en)	1976-11-25
ATA391676A (en)	1979-01-15
AU1437276A (en)	1977-12-01
AT351603B (en)	1979-08-10
GB1522062A (en)	1978-08-23
NL7602959A (en)	1976-12-02

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