RU2000120190A - INSERT ADDITIONAL DATA IN THE INFORMATION SIGNAL - Google Patents

INSERT ADDITIONAL DATA IN THE INFORMATION SIGNAL

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Publication number
RU2000120190A
RU2000120190A RU2000120190/28A RU2000120190A RU2000120190A RU 2000120190 A RU2000120190 A RU 2000120190A RU 2000120190/28 A RU2000120190/28 A RU 2000120190/28A RU 2000120190 A RU2000120190 A RU 2000120190A RU 2000120190 A RU2000120190 A RU 2000120190A
Authority
RU
Russia
Prior art keywords
samples
combination
additional data
modified
encoder
Prior art date
Application number
RU2000120190/28A
Other languages
Russian (ru)
Other versions
RU2239243C2 (en
Inventor
Петрус А. С. М. НЕЙТЕН
Original Assignee
Конинклейке Филипс Электроникс Н.В.
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Application filed by Конинклейке Филипс Электроникс Н.В. filed Critical Конинклейке Филипс Электроникс Н.В.
Publication of RU2000120190A publication Critical patent/RU2000120190A/en
Application granted granted Critical
Publication of RU2239243C2 publication Critical patent/RU2239243C2/en

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Claims (11)

1. Способ вставки дополнительных данных в информационный сигнал, заключающийся в том, что кодируют информационный сигнал посредством кодера, содержащего цепь обратной связи для управления указанным кодированием, изменяют внутри цепи обратной связи кодера избранные выборки кодированного сигнала для представления указанных дополнительных данных и комбинации битов синхронизации, причем измененные выборки представляют собой дополнительные данные, разнесенные, по меньшей мере, на первое число выборок, отличающийся тем, что при операции изменения осуществляют разнесение измененных выборок, представляющих комбинацию битов синхронизации, по большей мере, на второе число выборок, которое значительно меньше, чем первое число выборок.1. The method of inserting additional data into an information signal, namely, that the information signal is encoded by an encoder containing a feedback circuit for controlling said encoding, and the selected samples of the encoded signal are modified inside the encoder feedback circuit to represent said additional data and a combination of synchronization bits, moreover, the modified samples represent additional data spaced at least by the first number of samples, characterized in that during the operation and Changes spaced modified samples representing a combination of synchronization bits by at least a second number of samples, which is significantly less than the first number of samples. 2. Способ по п. 1, отличающийся тем, что измененные выборки, представляющие комбинацию битов синхронизации, представляют собой последовательные выборки измененного кодированного сигнала. 2. The method according to p. 1, characterized in that the modified samples representing a combination of synchronization bits are sequential samples of the modified encoded signal. 3. Способ по п. 1 или 2, отличающийся тем, что комбинация битов синхронизации представляет собой комбинацию битов, которая обычно не генерируется кодером. 3. The method according to p. 1 or 2, characterized in that the combination of synchronization bits is a combination of bits, which is usually not generated by the encoder. 4. Способ по п. 1, 2 или 3, отличающийся тем, что кодер представляет собой сигма-дельта-модулятор. 4. The method according to p. 1, 2 or 3, characterized in that the encoder is a sigma-delta modulator. 5. Способ по п. 4, отличающийся тем, что комбинация битов синхронизации представляет собой пару из серии единиц и серии нулей, по существу, равной длины. 5. The method according to p. 4, characterized in that the combination of synchronization bits is a pair of a series of units and a series of zeros of essentially equal length. 6. Способ по п. 4 или 5, отличающийся тем, что комбинация битов синхронизации представляет собой 1111000, 11110000, 111100000, 1111100000 или их инвертированную версию. 6. The method according to p. 4 or 5, characterized in that the combination of synchronization bits is 1111000, 11110000, 111100000, 1111100000 or their inverted version. 7. Устройство для вставки дополнительных данных в информационный сигнал, содержащее кодер для кодирования информационного сигнала, содержащий цепь обратной связи для управления указанным кодированием, находящееся внутри цепи обратной связи кодера средство изменения избранных выборок кодированного сигнала для представления указанных дополнительных данных и комбинации битов синхронизации, причем измененные выборки представляют собой дополнительные данные, разнесенные, по меньшей мере, на первое число выборок, отличающееся тем, что указанное средство изменения предназначено для разнесения измененных выборок, представляющих комбинацию битов синхронизации, по большей мере, на второе число выборок, которое значительно меньше, чем первое число выборок. 7. A device for inserting additional data into an information signal, comprising an encoder for encoding an information signal, comprising a feedback circuit for controlling said encoding, means for changing selected samples of the encoded signal within the encoder feedback circuit to represent said additional data and a combination of synchronization bits, modified samples represent additional data spaced at least by the first number of samples, characterized in that azannoe changing means intended for separation modified samples representing the synchronization bit sequence of, at most, the second number of samples which is substantially smaller than the first number of samples. 8. Закодированный кодером информационный сигнал, избранные выборки которого изменяются для представления вставленных дополнительных данных и комбинации битов синхронизации, причем измененные выборки представляют собой дополнительные данные, разнесенные, по меньшей мере, на первое число выборок, отличающийся тем, что измененные выборки, представляющие комбинацию битов синхронизации, разнесены, по большей мере, на второе число выборок, которое значительно меньше, чем первое число выборок. 8. An information signal encoded by the encoder, the selected samples of which are modified to represent inserted additional data and a combination of synchronization bits, the modified samples being additional data spaced at least by the first number of samples, characterized in that the modified samples representing a combination of bits synchronizations are spaced at least by a second number of samples, which is significantly less than the first number of samples. 9. Сигнал по п. 8, отличающийся тем, что комбинация битов синхронизации представляет собой комбинацию последовательных выборок, которая обычно не генерируется кодером. 9. The signal according to claim 8, characterized in that the combination of synchronization bits is a combination of sequential samples, which is usually not generated by the encoder. 10. Сигнал по п. 8, отличающийся тем, что этот информационный сигнал представляет собой модулированный аудиосигнал, а комбинация битов синхронизации представляет собой пару из серии единиц и серии нулей, по существу, равной длины. 10. The signal according to claim 8, characterized in that this information signal is a modulated audio signal, and the combination of synchronization bits is a pair of a series of ones and a series of zeros of essentially equal length. 11. Носитель данных с записанным на нем сигналом по любому из пп. 8-10. 11. A data carrier with a signal recorded thereon according to any one of paragraphs. 8-10.
RU2000120190/28A 1998-10-29 1999-10-06 Method for inserting additional data into information signal, device for inserting additional data into information signal and data carrier RU2239243C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98203660.0 1998-10-29
EP98203660 1998-10-29

Publications (2)

Publication Number Publication Date
RU2000120190A true RU2000120190A (en) 2002-07-20
RU2239243C2 RU2239243C2 (en) 2004-10-27

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RU2000120190/28A RU2239243C2 (en) 1998-10-29 1999-10-06 Method for inserting additional data into information signal, device for inserting additional data into information signal and data carrier

Country Status (15)

Country Link
US (1) US6507299B1 (en)
EP (1) EP1046164B1 (en)
JP (1) JP2002529875A (en)
KR (1) KR100583356B1 (en)
CN (1) CN1134159C (en)
AU (1) AU6472899A (en)
BR (1) BR9907087A (en)
CA (1) CA2316996A1 (en)
DE (1) DE69925242T2 (en)
HU (1) HUP0200612A2 (en)
ID (1) ID25532A (en)
PL (1) PL193714B1 (en)
RU (1) RU2239243C2 (en)
TW (1) TW466473B (en)
WO (1) WO2000026908A1 (en)

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