Source: http://www.google.com/patents/USRE42297?dq=6,250,774
Timestamp: 2016-12-03 00:55:02
Document Index: 354909253

Matched Legal Cases: ['Application No. 93', 'art 11', 'art 12', 'art 11', 'art 12', 'art 13', 'art 21', 'art 23', 'art 22', 'art 23', 'art 10', 'arts 11', 'art 13', 'art 21', 'art 10', 'art 22', 'art 10']

Patent USRE42297 - Apparatus and method for processing audio signals recorded on a medium - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsThis invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective reproduction of the voice of a player. The karaoke CD format includes a CD format divided into video sectors and audio sectors. The audio sectors...http://www.google.com/patents/USRE42297?utm_source=gb-gplus-sharePatent USRE42297 - Apparatus and method for processing audio signals recorded on a mediumAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUSRE42297 E1Publication typeGrantApplication numberUS 11/058,630Publication dateApr 19, 2011Filing dateFeb 16, 2005Priority dateSep 17, 1993Also published asCN1040705C, CN1115480A, US6535467, US6714494, US6721249, US20010014064, US20030112724, USRE42320, USRE42321, USRE42322, USRE42323, USRE42341, USRE42342, USRE42711, USRE44231, USRE44259, USRE44282, USRE44729, USRE44741Publication number058630, 11058630, US RE42297 E1, US RE42297E1, US-E1-RE42297, USRE42297 E1, USRE42297E1InventorsHan Jung, Ki Won KimOriginal AssigneeLg Electronics Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (23), Non-Patent Citations (1), Classifications (26), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetApparatus and method for processing audio signals recorded on a medium
US RE42297 E1Abstract
This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective reproduction of the voice of a player. The karaoke CD format includes a CD format divided into video sectors and audio sectors. The audio sectors are further divided into a part for recording accompaniment sound and playing sound at the same time and a part for recording accompaniment sound only. There is provided record coding information for distinguishing the parts.A device, method and recording medium for reproducing digital data, are discussed. According to an embodiment, the recording medium includes digital audio data recorded thereon, the digital audio data comprising data units corresponding to at least one of: a first type of digital audio data, and a second type of digital audio data which includes at least one content different from the first type of digital audio data. Each data unit includes supplementary information, which has: a) coding information indicating a coding mode of the digital audio data, b) identification information, different than the coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio, and c) time information controlling a presentation timing of data units of the first or second type.
1. A device for reproducing a digital signal data recorded on a medium, the digital signal data including a video signal data and an audio signal data, the audio signal data being composed of data units, the data units corresponding to at least one of:
1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including attribute information, which has: a) first information indicating a coding mode of the digital audio data, and b) second information, different than said first information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the data units of digital audio signal data being interleaved between data units of digital video signal data, the device comprising: a demodulator for demodulating configured to demodulate the digital signal audio data to restore an original signal; a signal processor for receiving configured to receive the digital audio signal data, demodulated by the demodulator, extracting extract the second information, separating and separate the data units corresponding to a the first type of digital audio signal data from data units corresponding to a the second type of digital audio signal data based on the extracted second information, said signal processor including a system time clock, a memory for storing configured to store the data units corresponding to the first type and the second type types of digital audio signal data, and first or second an audio presentation parts receiving part configured to receive the system time clock to control a presentation timing of the first type or the second type types of digital audio signal data; and a controller, coupled to the signal processor, controlling configured to control the signal processor to output the data units corresponding to the first type or the second type types of the digital audio signal data designated by a user input, wherein the first or second type types of digital audio signal data, designated by the user input, is identified using the second information. 2. A device as claimed in claim 1, wherein the first type of digital audio signal data corresponds to accompaniment sound.
an MPEG audio decoder for decoding configured to decode the audio signal data. 4. A method for reproducing a digital signal data recorded on a medium, said digital signal data including a video signal data and an audio signal data, the audio signal data being composed of data units, the data units corresponding to at least one of:
1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including attribute information, which has: a) first information indicating a coding mode of the digital audio data, and b) second information, different than said first information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the data units of digital audio signal data being interleaved between data units of digital video signal data, the method comprising the steps of : demodulating the digital signal audio data to restore an original signal; receiving the demodulated audio signal data; extracting the second information; separating the data units corresponding to a the first type of digital audio signal data from the data units corresponding to a the second type of digital audio signal based on the extracted second information, by storing the first and second types of digital audio signals data in a memory, receiving the data units corresponding to the first and or second types of digital audio signals data in first and second an audio presentation parts part along with a system time clock to control a presentation timing of the first or second type types of digital audio signal data; and outputting one of the first or second types of audio signals data in response to a user input designating one of the first or second types of audio signals data, wherein the first or second type of digital audio signal data, designated by the user input, is identified using the second information. 5. The method of claim 4, wherein the step of separating includes separating the first type of the digital audio signal data representing accompaniment sound.
6. A device for processing a digital signal data, comprising:
an audio signal data processor receiving configured to receive data units of digital audio data, the data units corresponding to at least one of: 1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including being specified by attribute information, which has: a) coding information indicating a coding mode of the digital audio data, and b) identification information, different than said coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the audio signal data processor extracting configured to extract the identification information, and separating separate the data units of the first type from the data units of the second type using the identification information, said signal audio data processor including a system time clock, a memory for storing configured to store the data units of the first type and the second type, and first and second an audio presentation parts receiving part configured to receive the system time clock to control a presentation timing of the data units of the first type or the second type; and a control circuit controlling configured to control the audio signal data processor to output an audio signal data corresponding to the data units of one of the first or second types, based on the identification information. 7. The device of claim 6, wherein the audio data of the first type includes accompaniment sound.
9. The device of claim 6, wherein the audio signal data processor compares is configured to compare the system time clock to timing information in the digital audio data, and outputs output audio data with a timing based on the comparison.
10. The device of claim 6, wherein the audio signal data processor MPEG decodes is configured to decode the audio data encoded in MPEG format.
a demodulator demodulating configured to demodulate the digital audio data prior to receipt by the audio signal data processor. 12. A method for processing a digital signal data, comprising:
receiving data units of digital audio data, the data units corresponding to at least one of: 1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including being specified by attribute information, which has: a) coding information indicating a coding mode of the digital audio data, and b) identification information, different than said coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; extracting the identification information; separating the data units of the first type from the data units of the second type using the identification information by storing the data units of the first and second types in a memory, receiving the data units of the first and or second types in first or second an audio presentation parts part along with a system time clock to control a presentation timing of data units of the first or second type; and outputting audio data corresponding to the data units of the first or second type in response to the identification information. 13. The method of claim 12, wherein the audio data of the first type includes accompaniment sound.
comparing the system time clock to timing information in the digital audio data; and outputting the audio data with a timing based on the comparison. 16. The device method of claim 12, wherein the separating step includes MPEG decoding decoding the audio data encoded in MPEG format.
17. The device of claim 1, wherein the signal audio data processor includes a switch that configured to selectively outputs output the data units of the first type or the second type.
18. A recording medium on which digital audio data is recorded, the digital audio data comprising of data units corresponding to at least one of:
1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including supplementary information, which has: a) coding information indicating a coding mode of the digital audio data, and b) identification information, different than said coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data wherein the identification information being used for separating the data units of the first type from the data units of the second type stored in a memory and selectively outputting audio data corresponding to the data units of the first or second type, and c) time information controlling a presentation timing of data units of the first or second type. 19. The recording medium of claim 18, wherein the data unit corresponds to a sector.
20. The recording medium of claim 18, wherein the supplementary information is included in a header of the data unit.
21. The recording medium of claim 18, wherein the first or the second type of audio data is interleaved with digital video data.
27. The recording medium of claim 18, wherein the first and second types of digital audio data are decoded based on the coding information.
This application is a continuation of U.S. Reissue application Ser. No. 10/848,616 filed on May 19, 2004 (now abandoned), which is a reissue of U.S. Pat. No. 6,721,249 (application Ser. No. 09/209,280 filed Dec. 11, 1998), which is a divisional of U.S. application Ser. No. 08/735,572 filed Oct. 23, 1996 (U.S. Pat. No. 6,535,467), which is a continuation of U.S. application Ser. No. 08/307,288 filed Sep. 16, 1994 (now abandoned). The present application also claims foreign priority benefits of Korean Patent Application No. 93-18841 filed Sep. 17, 1993 in The Republic of Korea. The entirety of each of the above-identified documents is hereby incorporated by reference. Note: More than one reissue application has been filed for the reissue of U.S. Pat. No. 6,721,249. The reissue applications are application Ser. No. 10/848,616 (parent of the present application); Ser. No. 11/058,630 (the present application); Ser. No. 10/848,617 (now abandoned); Ser. Nos. 11/905,506; 12/142,642; 12/142,658; 12/142,663; 12/142,674; 12/142,680; and 12/142,684 which are continuations of the present application.
As shown in FIG. 2, a conventional karaoke CD system includes a first demodulation part 11 for demodulating EFM (Eight to Fourteen Modulation) signals. A second modulation part 12 for demodulating signals recorded in interleaved sectors for a CD-ROM upon receiving signals from the first demodulation part 11. A CPU 16 for demultiplexing system flow on receiving signals from the second demodulation part 12. A first, and a second memory 17 and 18 for storing video and audio data received from the CPU 16 respectively. A MPEG video decoder 19 and a MPEG audio decoder 20 for decoding MPEG video signals and MPEG audio signals of the video and audio data stored in the first and the second memories 17 and 18 respectively. A STC (System Time Clock) 23 for clocking the system time under the control of the CPU 16. A video and audio signal processing part 13 having a video presentation part 21 for comparing the STC of the STC part 23 to PTS (Presentation Time Stamps) in the bit stream received from the MPEG video decoder 19. An audio presentation part 22 for comparing the STC of the STC part 23 to PTS (Presentation Tune Stamps) in the bit stream received from the MPEG audio decoder 20. A control part 10 for controlling both the first and the second demodulation parts 11 and 12 and for controlling the video and audio signal processing part 13 according to a key signal applied thereto. A Digital-to-Analog (D/A) converter 14 for converting the video signal received from the video presentation part 21 and outputting the converted signal to a monitor under the control of the control part 10, and a D/A converter 15 for converting the audio signal received from the audio presentation part 22 and applying the converted signal to a speaker under the control of the control part 10.
These and other objects and features of this invention can be achieved by providing a karaoke CD format which is divided into video sectors and audio sectors, and the audio sectors are further divided into a part for recording accompaniment sound and vocal sound at the same time and another part for recording accompaniment sound only. The audio sectors are further provided to record coding information for distinguishing between the audio data stored in the two parts. There is provided a device for controlling audio signals using a karaoke CD format including a control means for controlling the entire system according to signals applied from outside the system. There is provided a demodulation means for demodulating a signal read in from a CO which distinguishes between a part containing recorded accompaniment sound and vocal sound at the same time, and another part containing recorded accompaniment sound only under the control of the control means. There is provided an audio signal processing means for processing audio signals using signals received from the demodulation means and transmitting data corresponding to a first data signal corresponding to the accompaniment sound and playing sound and a second data signal corresponding to the playing sound only, a switching means for selecting one of the first or second data signals and outputting the selected data under the control of the control means, and a D/A converting means for converting the data received from the switching means and applying the converted data to a speaker under the control of the control means.
According to one embodiment, the present invention is directed to a device for reproducing a digital data recorded on a medium, the digital data including a video data and an audio data, the audio data being composed of data units, the data units corresponding to at least one of: 1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including attribute information, which has: a) first information indicating a coding mode of the digital audio data, and b) second information, different than the first information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the data units of digital audio data being interleaved between data units of digital video data, the device comprising: a demodulator configured to demodulate the digital audio data to restore an original signal; a signal processor configured to receive the digital audio data, demodulated by the demodulator, extract the second information, and separate the data units corresponding to the first type of digital audio data from data units corresponding to the second type of digital audio data based on the extracted second information, the signal processor including a system time clock, a memory configured to store the data units corresponding to the first and second types of digital audio data, and an audio presentation part configured to receive the system time clock to control a presentation timing of the first or second types of digital audio data; and a controller, coupled to the signal processor, configured to control the signal processor to output the data units corresponding to the first or second types of the digital audio data designated by a user input, wherein the first or second types of digital audio data, designated by the user input, is identified using the second information.
According to one embodiment, the present invention is directed to a method for reproducing a digital data recorded on a medium, the digital data including a video data and an audio data, the audio data being composed of data units, the data units corresponding to at least one of: 1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including attribute information, which has: a) first information indicating a coding mode of the digital audio data, and b) second information, different than the first information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the data units of digital audio data being interleaved between data units of digital video data, the method comprising: demodulating the digital audio data to restore an original signal; receiving the demodulated audio data; extracting the second information; separating the data units corresponding to the first type of digital audio data from the data units corresponding to the second type of digital audio based on the extracted second information, by storing the first and second types of digital audio data in a memory, receiving the data units corresponding to the separated first or second types of digital audio data in an audio presentation part along with a system time clock to control a presentation timing of the first or second types of digital audio data; and outputting one of the first or second types of audio data in response to a user input designating one of the first or second types of audio data, wherein the first or second type of digital audio data, designated by the user input, is identified using the second information. According to one embodiment, the present invention is directed to a device for processing a digital data, comprising: an audio data processor configured to receive data units of digital audio data, the data units corresponding to at least one of: 1) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data: each data unitincludingbeing specified by attribute information, which has: a) coding information indicating a coding mode of the digital audio data, and b) identification information, different than the coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; the audio data processor configured to extract the identification information, and separate the data units of the first type from the data units of the second type using the identification information, the audio data processor including a system time clock, a memory configured to store the data units of the first type and the second type, and an audio presentation part configured to receive the system time clock to control a presentation timing of the data units of the first type or the second type; and a control circuit configured to control the audio data processor to output audio data corresponding to the data units of one of the first or second types, based on the identification information.
According to one embodiment, the present invention is directed to a method for processing a digital data, comprising: receiving data units of digital audio data, the data units corresponding to at least one of: 1 ) a first type of digital audio data, and 2) a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unitincludingbeing specified by attribute information, which has: a) coding information indicating a coding mode of the digital audio data, and b) identification information, different than the coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data; extracting the identification information; separating the data units of the first type from the data units of the second type using the identification information by storing the data units of the first and second types in a memory, receiving the data units of the first or second types in an audio presentation part along with a system time clock to control a presentation timing of data units of the first or second type; and outputting audio data corresponding to the data units of the first or second type in response to the identification information.
According to one embodiment, the present invention is directed to a recording medium on which digital audio data is recorded, the digital audio data comprising of data units corresponding to at least one of: a first type of digital audio data, and a second type of digital audio data which includes at least one content different from the first type of digital audio data; each data unit including supplementary information, which has: a) coding information indicating a coding mode of the digital audio data, b) identification information, different than the coding information, identifying the data unit as one of the first type of digital audio data or the second type of digital audio data wherein the identification information being used for separating the data units of the first type from the data units of the second type stored in a memory and selectively outputting audio data corresponding to the data units of the first or second type, and c) time information controlling a presentation timing of data units of the first or second type.
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