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EP1587219A3 - Record carrier having an encoded wideband digital audio signal recorded on it - Google Patents

Record carrier having an encoded wideband digital audio signal recorded on itDownload PDF

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Publication number
EP1587219A3
EP1587219A3EP05103587AEP05103587AEP1587219A3EP 1587219 A3EP1587219 A3EP 1587219A3EP 05103587 AEP05103587 AEP 05103587AEP 05103587 AEP05103587 AEP 05103587AEP 1587219 A3EP1587219 A3EP 1587219A3
Authority
EP
European Patent Office
Prior art keywords
signals
record carrier
band
sub
audio signal
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.)
Withdrawn
Application number
EP05103587A
Other languages
German (de)
French (fr)
Other versions
EP1587219A2 (en
Inventor
Gerardus C. P. c/o Philips Int. P. & S. Lokhoff
Yves F. c/o Philips Int. P. & S. Déhery
Günther c/o Philips Int. P. & S. Theile
Gerhard c/o Philips Int. P. & S. Stoll
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.)
Institut fuer Rundfunktechnik GmbH
Telediffusion de France ets Public de Diffusion
Orange SA
Koninklijke Philips NV
Original Assignee
Institut fuer Rundfunktechnik GmbH
Telediffusion de France ets Public de Diffusion
France Telecom SA
Koninklijke Philips Electronics NV
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
Priority claimed from NL9000338Aexternal-prioritypatent/NL9000338A/en
Application filed by Institut fuer Rundfunktechnik GmbH, Telediffusion de France ets Public de Diffusion, France Telecom SA, Koninklijke Philips Electronics NVfiledCriticalInstitut fuer Rundfunktechnik GmbH
Publication of EP1587219A2publicationCriticalpatent/EP1587219A2/en
Publication of EP1587219A3publicationCriticalpatent/EP1587219A3/en
Withdrawnlegal-statusCriticalCurrent

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Abstract

Reproduction accuracy of a digital signal, representing for example stereo audio signals, is improved by transmitting sample data, which have been encoded to form transmission signals. The stereo audio signals are coded into sub(band) signals. Corresponding sub(band)signals of the stereo audio signals may be processed to obtain composite sub(band) signals, which are recorded on a record carrier.
To identify whether corresponding sub(band) signals have been processed or not, a mode indicator control signal indicating whether a corresponding sub signal of the at least two signal components have or have not been processed into a composite sub signal is also being recorded on the record carrier.
EP05103587A1990-02-131990-05-29Record carrier having an encoded wideband digital audio signal recorded on itWithdrawnEP1587219A3 (en)

Applications Claiming Priority (5)

Application NumberPriority DateFiling DateTitle
NL90003381990-02-13
NL9000338ANL9000338A (en)1989-06-021990-02-13 DIGITAL TRANSMISSION SYSTEM, TRANSMITTER AND RECEIVER FOR USE IN THE TRANSMISSION SYSTEM AND RECORD CARRIED OUT WITH THE TRANSMITTER IN THE FORM OF A RECORDING DEVICE.
EP90201356AEP0402973B1 (en)1989-06-021990-05-29Digital transmission system, transmitter and receiver for use in the transmission system, and record carrier obtained by means of the transmitter in the form of a recording device
EP94200240AEP0599825B1 (en)1989-06-021990-05-29Digital transmission system for transmitting an additional signal such as a surround signal
EP99202037AEP0949763B1 (en)1989-06-021990-05-29Digital transmission system for transmitting scale factors

Related Parent Applications (3)

Application NumberTitlePriority DateFiling Date
EP99202037ADivisionEP0949763B1 (en)1989-06-021990-05-29Digital transmission system for transmitting scale factors
EP94200240.3Division1994-02-08
EP99202037.0Division1999-06-24

Publications (2)

Publication NumberPublication Date
EP1587219A2 EP1587219A2 (en)2005-10-19
EP1587219A3true EP1587219A3 (en)2006-06-28

Family

ID=37770237

Family Applications (1)

Application NumberTitlePriority DateFiling Date
EP05103587AWithdrawnEP1587219A3 (en)1990-02-131990-05-29Record carrier having an encoded wideband digital audio signal recorded on it

Country Status (1)

CountryLink
EP (1)EP1587219A3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP0289080A1 (en)*1987-04-271988-11-02Koninklijke Philips Electronics N.V.System for subband coding of a digital audio signal
EP0372601A1 (en)*1988-11-101990-06-13Koninklijke Philips Electronics N.V.Coder for incorporating extra information in a digital audio signal having a predetermined format, decoder for extracting such extra information from a digital signal, device for recording a digital signal on a record carrier, comprising such a coder, and record carrier obtained by means of such a device
CA2363045A1 (en)*1989-06-021990-12-02France TelecomIntensity-stereo encoding in a transmission system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP0289080A1 (en)*1987-04-271988-11-02Koninklijke Philips Electronics N.V.System for subband coding of a digital audio signal
EP0372601A1 (en)*1988-11-101990-06-13Koninklijke Philips Electronics N.V.Coder for incorporating extra information in a digital audio signal having a predetermined format, decoder for extracting such extra information from a digital signal, device for recording a digital signal on a record carrier, comprising such a coder, and record carrier obtained by means of such a device
CA2363045A1 (en)*1989-06-021990-12-02France TelecomIntensity-stereo encoding in a transmission system
EP0599824A2 (en)*1989-06-021994-06-01Koninklijke Philips Electronics N.V.Intensity-stereo encoding and decoding in a transmission system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KRASNER M A: "The critical band coder-digital encoding of speech signals based on the perceptual requirements of the auditory system", ICASSP 80 PROCEEDINGS. IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING IEEE NEW YORK, NY, USA, vol. II, no. 9.4.1980, 11 April 1980 (1980-04-11), pages 327 - 331, XP002308081*
VOROS P: "High-quality sound coding within 2*64 kbit/s using instantaneous dynamic bit-allocation", ICASSP 88: 1988 INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (CAT. NO.88CH2561-9) IEEE NEW YORK, NY, USA, no. 11.4.1988, 14 April 1988 (1988-04-14), pages 2536 - 2539, XP002308082*

Also Published As

Publication numberPublication date
EP1587219A2 (en)2005-10-19

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