DK166246C - Anordning til udsendelse af og genskabelse af udsendte audiosignaler - Google Patents
Anordning til udsendelse af og genskabelse af udsendte audiosignalerInfo
- Publication number
- DK166246C DK166246C DK255384A DK255384A DK166246C DK 166246 C DK166246 C DK 166246C DK 255384 A DK255384 A DK 255384A DK 255384 A DK255384 A DK 255384A DK 166246 C DK166246 C DK 166246C
- Authority
- DK
- Denmark
- Prior art keywords
- recovery
- transmission
- audio signals
- submitted audio
- submitted
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1809—Pulse code modulation systems for audio signals by interleaving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/498,824 US4608456A (en) | 1983-05-27 | 1983-05-27 | Digital audio scrambling system with error conditioning |
US49882483 | 1983-05-27 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK255384D0 DK255384D0 (da) | 1984-05-24 |
DK255384A DK255384A (da) | 1984-11-28 |
DK166246B DK166246B (da) | 1993-03-22 |
DK166246C true DK166246C (da) | 1993-08-16 |
Family
ID=23982654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK255384A DK166246C (da) | 1983-05-27 | 1984-05-24 | Anordning til udsendelse af og genskabelse af udsendte audiosignaler |
Country Status (8)
Country | Link |
---|---|
US (1) | US4608456A (da) |
EP (1) | EP0127382B1 (da) |
JP (1) | JPS6046146A (da) |
AU (1) | AU569737B2 (da) |
CA (1) | CA1229909A (da) |
DE (1) | DE3468602D1 (da) |
DK (1) | DK166246C (da) |
NO (1) | NO166309C (da) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
JPS59126342A (ja) * | 1983-01-10 | 1984-07-20 | Nec Corp | デジタル音声信号伝送方式 |
US4752953A (en) * | 1983-05-27 | 1988-06-21 | M/A-Com Government Systems, Inc. | Digital audio scrambling system with pulse amplitude modulation |
US4608456A (en) * | 1983-05-27 | 1986-08-26 | M/A-Com Linkabit, Inc. | Digital audio scrambling system with error conditioning |
US4742543A (en) * | 1983-12-22 | 1988-05-03 | Frederiksen Jeffrey E | Video transmission system |
US4729043A (en) * | 1985-12-11 | 1988-03-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital information storage and retrieval using video signals |
US4688246A (en) * | 1985-12-20 | 1987-08-18 | Zenith Electronics Corporation | CATV scrambling system with compressed digital audio in synchronizing signal intervals |
US4893339A (en) * | 1986-09-03 | 1990-01-09 | Motorola, Inc. | Secure communication system |
US4893308A (en) * | 1986-09-03 | 1990-01-09 | Motorola, Inc. | Method and apparatus for time companding a digital voice signal |
US4809274A (en) * | 1986-09-19 | 1989-02-28 | M/A-Com Government Systems, Inc. | Digital audio companding and error conditioning |
US4945563A (en) * | 1986-11-05 | 1990-07-31 | Satellite Technology Services, Inc. | Video system and method for controlled viewing and videotaping |
US4864613A (en) * | 1986-11-10 | 1989-09-05 | General Instrument Corporation | Broadband converter/descrambler interface for cable TV |
GB8628046D0 (en) * | 1986-11-24 | 1986-12-31 | British Telecomm | Transmission system |
US4821097A (en) * | 1987-03-05 | 1989-04-11 | General Instrument Corporation | Apparatus and method for providing digital audio on the sound carrier of a standard television signal |
US4937867A (en) * | 1987-03-27 | 1990-06-26 | Teletec Corporation | Variable time inversion algorithm controlled system for multi-level speech security |
US5038402A (en) * | 1988-12-06 | 1991-08-06 | General Instrument Corporation | Apparatus and method for providing digital audio in the FM broadcast band |
FR2654886B1 (fr) * | 1989-11-21 | 1996-09-13 | France Etat | Procede de multiplexage d'un signal de sequences sonores dans un signal d'image video destine a etre enregistre sur un videodisque et systeme de restitution associe. |
US5237610A (en) * | 1990-02-01 | 1993-08-17 | Scientific-Atlanta, Inc. | Independent external security module for a digitally upgradeable television signal decoder |
US5029207A (en) * | 1990-02-01 | 1991-07-02 | Scientific-Atlanta, Inc. | External security module for a television signal decoder |
JP3143108B2 (ja) * | 1990-03-13 | 2001-03-07 | 株式会社日立製作所 | ファイル暗号化方法およびファイル暗号システム |
US5091936A (en) * | 1991-01-30 | 1992-02-25 | General Instrument Corporation | System for communicating television signals or a plurality of digital audio signals in a standard television line allocation |
MY108367A (en) * | 1991-09-30 | 1996-09-30 | Thomson Consumer Electronics S A | Method and apparatus for secure transmisson of video signals. |
US5268961A (en) * | 1992-08-20 | 1993-12-07 | General Electric Co. | Error control apparatus for a digital video signal processing system |
US5383202A (en) * | 1992-11-25 | 1995-01-17 | Motorola, Inc. | Simplified method of attenuation of logarithmically coded digital signals |
US5590195A (en) * | 1993-03-15 | 1996-12-31 | Command Audio Corporation | Information dissemination using various transmission modes |
US6330334B1 (en) | 1993-03-15 | 2001-12-11 | Command Audio Corporation | Method and system for information dissemination using television signals |
DE69618509T2 (de) | 1995-07-14 | 2002-08-29 | Sony Corp | Übertragung, Aufzeichnung und Wiedergabe von Daten |
US5943421A (en) * | 1995-09-11 | 1999-08-24 | Norand Corporation | Processor having compression and encryption circuitry |
US5815671A (en) * | 1996-06-11 | 1998-09-29 | Command Audio Corporation | Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval |
US5956629A (en) * | 1996-08-14 | 1999-09-21 | Command Audio Corporation | Method and apparatus for transmitter identification and selection for mobile information signal services |
KR100526942B1 (ko) * | 1997-01-16 | 2006-03-14 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 복수의디지탈정보신호를데이터압축및복원하는장치및방법 |
US20030118186A1 (en) * | 1997-10-30 | 2003-06-26 | Gilley James E. | Apparatus for and method for cipher check of an analog scrambler |
JPH11266243A (ja) * | 1997-12-09 | 1999-09-28 | Canon Inc | 情報処理装置及び方法 |
US6256491B1 (en) | 1997-12-31 | 2001-07-03 | Transcript International, Inc. | Voice security between a composite channel telephone communications link and a telephone |
US6845159B1 (en) | 1998-10-07 | 2005-01-18 | Protego Information Ab | Processing method and apparatus for converting information from a first format into a second format |
EP0993143A1 (en) * | 1998-10-07 | 2000-04-12 | Lateca Computer Inc. N.V. | Processing method and apparatus for converting information from a first format into a second format |
US6154162A (en) * | 1999-01-06 | 2000-11-28 | Centillium Communications, Inc. | Dual-stage switched-capacitor DAC with scrambled MSB's |
US6662332B1 (en) * | 2000-07-05 | 2003-12-09 | 3Com Corporation | Interleaver for burst error correction |
US7068788B2 (en) * | 2001-01-04 | 2006-06-27 | Maxim Integrated Products, Inc. | Data encryption for suppression of data-related in-band harmonics in digital to analog converters |
EP1379002B1 (en) * | 2001-03-14 | 2013-08-28 | Panasonic Corporation | Multiplexed transmission of video data and error protected coded audio data |
GB2381425B (en) * | 2001-10-29 | 2004-07-14 | Roke Manor Research | Communication system |
US7177608B2 (en) * | 2002-03-11 | 2007-02-13 | Catch A Wave Technologies | Personal spectrum recorder |
US7103184B2 (en) * | 2002-05-09 | 2006-09-05 | Intel Corporation | System and method for sign mask encryption and decryption |
CA2506641A1 (en) * | 2004-05-06 | 2005-11-06 | Genieview Inc. | Signal processing methods and systems |
US8972359B2 (en) * | 2005-12-19 | 2015-03-03 | Rockstar Consortium Us Lp | Compact floating point delta encoding for complex data |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4283602A (en) * | 1966-06-03 | 1981-08-11 | International Telephone And Telegraph Corporation | Cryptographically secure communication system |
US4171513A (en) * | 1966-09-06 | 1979-10-16 | Sanders Associates, Inc. | Secure communications system |
US3731197A (en) * | 1969-12-15 | 1973-05-01 | Ritt Lab Inc | Secrecy communication system |
US3657699A (en) * | 1970-06-30 | 1972-04-18 | Ibm | Multipath encoder-decoder arrangement |
CH518658A (de) * | 1970-07-07 | 1972-01-31 | Patelhold Patentverwaltungs Un | Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen |
US3921151A (en) * | 1971-06-21 | 1975-11-18 | Patelhold Patentwerwertungs & | Apparatus for enciphering transmitted data by interchanging signal elements of the transmitted data without overlapping or omitting any elements within the transmitted signal train |
GB1353693A (en) * | 1971-12-02 | 1974-05-22 | Mullard Ltd | Privacy transmission system |
US3824332A (en) * | 1972-02-18 | 1974-07-16 | I Horowitz | Pay television system |
US3789137A (en) * | 1972-04-07 | 1974-01-29 | Westinghouse Electric Corp | Time compression of audio signals |
US3819852A (en) * | 1972-08-29 | 1974-06-25 | P Wolf | Method of reducing the interference signals during the transmission of af signals in time-compressed form |
US3893031A (en) * | 1972-11-08 | 1975-07-01 | Boeing Co | Synchronization system for voice privacy unit |
CH558993A (de) * | 1973-03-19 | 1975-02-14 | Patelhold Patentverwertung | Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung. |
US3825893A (en) * | 1973-05-29 | 1974-07-23 | Ibm | Modular distributed error detection and correction apparatus and method |
GB1455261A (en) * | 1973-05-30 | 1976-11-10 | Micro Consultants Ltd | Video signal assignment system |
US3919462A (en) * | 1973-08-15 | 1975-11-11 | System Dev Corp | Method and apparatus for scrambling and unscrambling communication signals |
US3936594A (en) * | 1974-08-05 | 1976-02-03 | Lincoln Center For The Performing Arts, Inc. | Secure television system |
US4215366A (en) * | 1977-10-19 | 1980-07-29 | Feature Film Services | Subscriber-limited reception television broadcast security encoder-decoder system |
US4275411A (en) * | 1978-04-19 | 1981-06-23 | Bernard Lippel | Dither-quantized signalling for color television |
DD138457A1 (de) * | 1978-08-16 | 1979-10-31 | Martin Rohde | Verfahren und vorrichtung zur gleitkomma analog-digital-umsetzung |
JPS5556744A (en) * | 1978-10-23 | 1980-04-25 | Sony Corp | Pcm signal transmission device |
US4318125A (en) * | 1979-04-25 | 1982-03-02 | Westinghouse Electric Corp. | Solid state digital audio scrambler system for teletransmission of audio intelligence through a television system |
US4266243A (en) * | 1979-04-25 | 1981-05-05 | Westinghouse Electric Corp. | Scrambling system for television sound signals |
US4295223A (en) * | 1979-04-25 | 1981-10-13 | Westinghouse Electric Corp. | Digital signal/noise ratio amplifier apparatus for a communication system |
FR2459595A1 (fr) * | 1979-06-15 | 1981-01-09 | Telediffusion Fse | Systeme de television a controle d'acces utilisant une cle electronique variable |
US4379205A (en) * | 1979-06-22 | 1983-04-05 | Bell Telephone Laboratories, Incorporated | Analog signal scrambling system |
US4443660A (en) * | 1980-02-04 | 1984-04-17 | Rockwell International Corporation | System and method for encrypting a voice signal |
AU544259B2 (en) * | 1980-04-16 | 1985-05-23 | Sony Corporation | Detecting + correcting errors in digital video signals |
US4424532A (en) * | 1980-05-14 | 1984-01-03 | Oak Industries Inc. | Coding and decoding system for video and audio signals |
US4336553A (en) * | 1980-05-14 | 1982-06-22 | Oak Industries | Method of coding audio and video signals |
US4353088A (en) * | 1980-05-14 | 1982-10-05 | Oak Industries, Inc. | Coding and decoding system for video and audio signals |
US4389671A (en) * | 1980-09-29 | 1983-06-21 | Harris Corporation | Digitally-controlled analog encrypton |
US4394762A (en) * | 1981-01-06 | 1983-07-19 | Tokyo Shibaura Denki Kabushiki Kaisha | Pulse-code modulation signal processing circuit |
US4413339A (en) * | 1981-06-24 | 1983-11-01 | Digital Equipment Corporation | Multiple error detecting and correcting system employing Reed-Solomon codes |
US4434323A (en) * | 1981-06-29 | 1984-02-28 | Motorola, Inc. | Scrambler key code synchronizer |
US4410917A (en) * | 1981-09-14 | 1983-10-18 | Accurate Sound Corporation | Method of and apparatus for recording information from a master medium onto a slave medium employing digital techniques |
US4433211A (en) * | 1981-11-04 | 1984-02-21 | Technical Communications Corporation | Privacy communication system employing time/frequency transformation |
US4608456A (en) * | 1983-05-27 | 1986-08-26 | M/A-Com Linkabit, Inc. | Digital audio scrambling system with error conditioning |
-
1983
- 1983-05-27 US US06/498,824 patent/US4608456A/en not_active Expired - Lifetime
-
1984
- 1984-05-10 AU AU27872/84A patent/AU569737B2/en not_active Expired
- 1984-05-16 CA CA000454442A patent/CA1229909A/en not_active Expired
- 1984-05-16 DE DE8484303321T patent/DE3468602D1/de not_active Expired
- 1984-05-16 EP EP84303321A patent/EP0127382B1/en not_active Expired
- 1984-05-24 DK DK255384A patent/DK166246C/da not_active IP Right Cessation
- 1984-05-24 NO NO842065A patent/NO166309C/no not_active IP Right Cessation
- 1984-05-25 JP JP59106345A patent/JPS6046146A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
NO166309B (no) | 1991-03-18 |
CA1229909A (en) | 1987-12-01 |
EP0127382B1 (en) | 1988-01-07 |
DK255384D0 (da) | 1984-05-24 |
JPS6046146A (ja) | 1985-03-12 |
DE3468602D1 (en) | 1988-02-11 |
NO842065L (no) | 1984-11-28 |
JPH0441540B2 (da) | 1992-07-08 |
US4608456A (en) | 1986-08-26 |
AU569737B2 (en) | 1988-02-18 |
AU2787284A (en) | 1985-12-05 |
EP0127382A1 (en) | 1984-12-05 |
NO166309C (no) | 1991-06-26 |
DK255384A (da) | 1984-11-28 |
DK166246B (da) | 1993-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |