Recording medium recorded in data structure capable of editing additional data related to audio data

专利摘要:
PURPOSE: A recording media, recording/reproduction method are provided to make recording/edition/reproduction of additional data easily by recording audio data and additional data related with audio data at a same basic recording unit. CONSTITUTION: An audio signal processor(304) formats audio data and forms a data pack and then generates an audio pack coding the data pack formed. An independent audio objective unit(AOBU) to be editable as basic recording unit is generated gathering at least one audio pack generated. A RTI(Real-time Text Information) signal processor(308) formats RTI data which additional data is recorded and forms data pack and generates RTI pack coding the data pack formed. A multiplexer/reverse multiplexer(310) generates new AOBU including RTI pack supplied from the RTI signal processor(308) at a previously decided position within AOBU supplied from the audio signal processor(304). A recording/reproduction controller(312) records at a recording media(314) with new AOBU unit. When regenerating, the recording/reproduction controller(312) reads and outputs data from the recording media(314) with new AOBU unit and supplies it to the multiplexer/reverse multiplexer(310). The multiplexer/reverse multiplexer(310) supplies it to the RTI signal processor(308) if pack of AOBU which is read and output is the RTI pack and to the audio signal processor(304) if the audio pack.
公开号:KR20010061942A
申请号:KR1020000070007
申请日:2000-11-23
公开日:2001-07-07
发明作者:허정권；문성진
申请人:윤종용；삼성전자 주식회사；
IPC主号:

专利说明:

Recording medium in which additional data associated with audio data is recorded in an editable data structure, and a recording / reproducing method and apparatus thereof.
[8] The present invention relates to the field of digital data recording / reproducing, and more particularly, to a recording medium and a recording / reproducing method and apparatus recorded in a data structure capable of editing additional data for reproduction with audio data.
[9] In digital audio data recorded on a recording medium such as a conventional optical disc, for example, when a plurality of songs are recorded, each song is recorded as one track. Audio data is recorded in each track. On the other hand, when additional data related to conventional audio data is to be recorded, the additional data is multiplexed with the audio data and recorded, for example, as an MPEG stream. Accordingly, the additional data recorded together with the conventional audio data can be reproduced simultaneously with the associated audio data, but editing of the additional data was impossible. In other words, the additional information to be reproduced at the same time as the audio data as the data related to the audio data has a problem that can not be recorded after the audio data is recorded, or can be modified or deleted separately from the audio data.
[10] An object of the present invention is to provide a recording medium, a recording method thereof, and a recording apparatus in which additional data associated with audio data is recorded in an editable data structure.
[11] Another object of the present invention is to provide a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded in an editable data structure associated with the recording unit of the audio data, a recording method thereof, and a recording apparatus. To provide.
[12] Still another object of the present invention is to provide audio data and additional data from a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded in an editable recording unit so as to be associated with a recording unit of the audio data. There is provided a reproducing method for simultaneously reproducing and a reproducing apparatus.
[13] In order to achieve the above objects, the recording medium according to the present invention provides that audio data is recorded in a predetermined recording unit, and that additional data associated with the audio data is recorded at a predetermined position in the recording unit of the audio data. It features.
[14] A recording method according to the present invention comprises: a recording method for recording audio data and additional data associated with the audio data, the recording method comprising: (a) recording audio data in a predetermined recording unit; And (b) recording the additional data at a predetermined position in the recording unit.
[15] A reproduction method according to the present invention is a reproduction method for reproducing data from a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded at a predetermined position in a recording unit of the audio data. (A) reading data in the recording unit; And (b) associating and reproducing audio data recorded in the read recording unit and the additional data.
[16] The recording apparatus according to the present invention generates an audio pack by coding input audio data, and collects at least one generated audio pack to generate an audio object unit (AOBU: Audio OBject Unit) which is a predetermined recording unit. ; An RTI signal processor for coding a supplementary data associated with the audio data to generate a real-time text information (RTI) pack; A multiplexer for including an RTI pack provided from the RTI signal processor into an AOBU provided from the audio signal processor to generate an AOBU including additional data; And a recording controller for recording the AOBU generated by the multiplexer.
[17] A reproducing apparatus according to the present invention is a reproducing apparatus for reproducing data from a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded at a predetermined position in a recording unit of the audio data. A reproduction controller for reading out an audio object unit (AOBU) which is the recording unit; A demultiplexer for demultiplexing the audio pack in which audio data is recorded from the read AOBU and the real-time information (RTI) pack in which additional data is recorded; An audio signal processor that decodes the audio pack demultiplexed by the demultiplexer and outputs audio data; And an RTI signal processor for decoding the RTI pack demultiplexed by the demultiplexer and outputting the RTI pack to be associated with the audio data.
[18] The recording / reproducing apparatus according to the present invention, when recording, generates an audio pack by coding input audio data, collects at least one generated audio pack, generates an audio object unit (AOBU) which is a predetermined recording unit, and plays back. An audio signal processor that decodes the audio pack demultiplexed from the AOBU by a time demultiplexer and outputs audio data; During recording, code additional data associated with the audio data to generate a real time information (RTI) pack, which is an additional pack, and during playback decode the demultiplexed RTI pack from the AOBU by the demultiplexer and output it to be associated with the audio data. RTI signal processor; The RTI pack provided from the RTI signal processor is included in the AOBU provided from the audio signal processor to generate an AOBU including additional data, and an audio pack in which audio data is recorded from the AOBU read during reproduction and additional data are recorded. Multiplexer / demultiplexer to demultiplex RTI packs; And a recording / reproducing controller which records the AOBU generated by the multiplexer on a recording medium, reads the AOBU which is a recording unit from the recording medium, and provides the AOBU to the audio signal processor and the RTI signal processor. .
[1] 1 is an example of a data structure recorded on a recording medium according to the present invention.
[2] 2 is another example of a data structure recorded on a recording medium according to the present invention.
[3] 3 is a block diagram according to an embodiment of a recording apparatus according to the present invention.
[4] 4 is a block diagram according to an embodiment of a playback apparatus according to the present invention.
[5] 5 is a block diagram according to an embodiment of a recording / playback apparatus according to the present invention.
[6] 6 is a flowchart for explaining an embodiment of a recording method according to the present invention.
[7] 7 is a flowchart illustrating an embodiment of a reproducing method according to the present invention.
[19] Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a recording medium, a recording / reproducing method and apparatus recorded in a data structure capable of simultaneous reproduction according to the present invention will be described.
[20] 1 is an example of a data structure recorded on a recording medium according to the present invention.
[21] Referring to FIG. 1, audio data is recorded in an audio object unit (AOBU) which is an editable basic recording unit. The AOBU includes at least one audio pack. The audio pack includes an audio data portion and an extra header portion. In the additional header, synchronization information of audio data is recorded.
[22] The additional data associated with the audio data can be recorded together in the audio pack, but since the addition and modification of the audio data or the additional data is not easy in doing so, the additional data associated with the audio data is recorded separately from the audio pack. More specifically, according to this embodiment, the supplementary data is recorded in a separate pack called a Real-time Text Information (RTI) pack at the head of the AOBU. The RTI pack may also include the supplementary data portion and the supplementary header portion. have. In the additional header, synchronization information necessary for reproduction of additional data is recorded.
[23] 2 is another example of a data structure recorded on a recording medium according to the present invention.
[24] The configuration of the AOBU shown in FIG. 2 includes at least one audio pack in the AOBU, similar to the data structure shown in FIG. 1, with additional data recorded as separate independent RTI packs. The location of the RTI pack is different from that of FIG. 2, it can be seen that the RTI pack is located next to the audio pack located at the head of the AOBU.
[25] Since the RTI pack contains additional data to be reproduced in synchronization with the audio pack, it is enough to be recorded in a position that can be reproduced in synchronization with the audio pack included in the AOBU, so the position of the RTI pack can be changed as necessary. . In addition, the AOBU having no additional data to be reproduced in association with the audio pack includes an RTI pack in which no data is recorded.
[26] As shown in Figs. 1 and 2, when the additional data is recorded in an independent RTI pack inside the AOBU, which is an audio recording unit, the additional data can be easily modified and edited. This is because, if it is necessary to modify or edit the additional data, it is sufficient to find the AOBU including the RTI pack and change only the data of the part where the RTI pack is located. That is, in the case of modifying audio data (recorded in AOBU), additional data can also be corrected / edited. In other words, according to the present invention, since additional data is not recorded separately from the audio data in a separate area but is recorded inside the AOBU, which is a basic recording unit of the main data (here, audio data), only the modification of the main data is performed. The modification of additional data can all be handled.
[27] If the additional data recorded in the RTI pack is real time data, i.e., data to be reproduced in association with the reproduction timing of the audio data, the reproduction start time of the additional data is the synchronization information to be recorded in the additional header of the RTI pack, and the reproduction start time of the corresponding AOBU starts. It is located between the time and the playback end time, that is, the playback section.
[28] If the additional data recorded with the RTI pack is text data, that is, if the text input by the user is real-time text data that the user wants to play with the audio data, the RTI pack is generated by coding the text, and the generated RTI pack is generated. Record at a predetermined position in the AOBU. The reproduction start time of the text data designated by the user is located between the reproduction start time and the reproduction end time of the corresponding AOBU recorded together.
[29] 3 is a block diagram according to an embodiment of a recording apparatus according to the present invention.
[30] In FIG. 3, the audio input processor 102 preprocesses the input audio data, and the audio signal processor 104 formats the audio data into a data pack, codes the formed data pack to form an audio pack A_PCK. Create The generated at least one audio pack is collected to generate an independent audio object unit (AOBU) which can be edited as a basic recording unit.
[31] The RTI input processor 106 preprocesses the RTI data including additional data associated with the audio data, and the RTI signal processor 108 formats the RTI data to form a data pack, codes the formed data pack to encode the RTI pack ( RTI_PCK).
[32] The multiplexer 110 includes the RTI pack provided from the RTI signal processor 108 at a predetermined position in the AOBU provided from the audio signal processor 104 to generate an AOBU containing the RTI pack. The recording controller 112 records audio on the recording medium 114 in AOBU units generated by the multiplexer 110. Here, since the additional data included in the RTI pack is enough to be recorded so as to be reproduced in association with the audio data included in the corresponding AOBU, the recording position in the AOBU of the RTI pack can be changed as necessary. However, assuming that the data packs included in the corresponding AOBU are read and reproduced in order, the RTI pack may be reproduced in consideration of the case where additional data recorded in the RTI pack should be reproduced in synchronization from the audio pack located at the head of the corresponding AOBU. It is preferably located at the front of.
[33] The RTI pack records real-time text data. Audio data is recorded in the audio pack. Real-time text data is text data provided to a user by being reproduced in synchronization with audio data. For example, additional information on the characteristics, lyrics, and composers of the music is recorded in text form.
[34] In the RTI pack in which text data is recorded, reproduction time information of the text is further recorded. The reproduction start time of the additional data included in the RTI pack is located between the reproduction start time and the end time of the AOBU.
[35] 4 is a block diagram according to an embodiment of a playback apparatus according to the present invention.
[36] In FIG. 4, the reproduction controller 204 reads data from the recording medium 202 in units of AOBUs having a data structure as shown in FIG. 1 or 2 and provides the data to the demultiplexer 206. FIG. The demultiplexer 206 checks the type of the pack of AOBUs read and provides RTI pack data to the RTI signal processor 210 if it is an RTI pack, and to the audio signal processor 208 if it is an audio pack.
[37] The audio signal processor 208 decodes the audio pack data and deformats the decoded audio pack and provides it to the audio output processor 210. The RTI signal processor 212 decodes the RTI pack and deformats the decoded RTI pack data and provides it to the RTI output processor 214. Here, the RTI signal processor 212 outputs the text data stored in the RTI pack in synchronization with the audio data output from the audio signal processor 208 based on the corresponding reproduction time information.
[38] The audio output processor 210 processes the signal so that the input signal can be applied to an external output device such as a speaker. The RTI output processor 214 signals the input real-time text data to be applied to an external output device such as a monitor.
[39] 5 is a block diagram according to an embodiment of a recording / playback apparatus according to the present invention.
[40] In FIG. 5, the audio signal processor 304, the RTI signal processor 308, the multiplexer / demultiplexer 310, and the record / playback controller (in the case of integrating the recording device and the playback device shown in FIGS. The audio input processor 302, the RTI input processor 306, the audio output processor 316, and the RTI output processor 318 are illustrated in FIGS. 3 and 4, except that 312 is not integrally formed but integrally formed. Since it is substantially the same as shown in the repeated description of the configuration and operation will be omitted.
[41] In recording, the audio signal processor 304 formats the audio data to form a data pack and then codes the formed data pack to produce an audio pack. The generated at least one audio pack is collected to generate an independent audio entity unit (AOBU) editable as a basic recording unit. The RTI signal processor 308 formats the RTI data on which additional data is recorded to form a data pack, and codes the formed data pack to generate an RTI pack.
[42] The multiplexer / demultiplexer 310 includes a RTI pack provided from the RTI signal processor 308 at a predetermined location in the AOBU provided from the audio signal processor 304 to generate a new AOBU. The recording / playback controller 312 records on the recording medium 314 in units of new AOBUs generated.
[43] At the time of reproduction, the recording / reproducing controller 312 reads data from the recording medium 314 in a new AOBU unit and provides the data to the multiplexer / demultiplexer 310. The multiplexer / demultiplexer 310 provides the read AOBU to the RTI signal processor 308 if it is a RTI pack, and to the audio signal processor 304 if it is an audio pack.
[44] The audio signal processor 308 decodes the audio pack, deformats the decoded audio pack and provides it to the audio output processor 316. The RTI signal processor 308 decodes the RTI pack and deformats the decoded RTI pack data to provide the RTI data to the RTI output processor 318.
[45] 6 is a flowchart for explaining an embodiment of a recording method according to the present invention.
[46] Referring to FIG. 6, when data is input (step S101), it is determined whether the input data is audio data or RTI data (step S102). If the input data is audio data, the audio data is processed to generate an audio pack. In operation S103, an AOBU is generated by collecting the number of audio packs corresponding to one AOBU in operation S104.
[47] If the data input in step S102 is RTI data including additional data associated with audio data, the RTI data is processed to generate a RTI pack (step S105). The RTI pack includes additional headers such as text data and reproduction time information thereof. The RTI pack generated in step S105 is placed at a predetermined position in the AOBU formed in step S104 to generate a new AOBU (step S106).
[48] 6 is a flowchart for explaining an embodiment of a reproducing method according to the present invention.
[49] Referring to FIG. 6, data is read from the recording medium in units of AOBUs (S201). The type of pack included in the read AOBU is checked (step S202). It is determined whether the read pack is an RTI pack or an audio pack (step S203). If the pack is an RTI pack, the RTI pack data is read (step S204), and additional data included in the RTI pack is reproduced (step S205). At this time, the additional data is reproduced in synchronization with the audio data belonging to the corresponding AOBU based on the synchronization information stored as the additional header stored in the RTI pack, that is, the reproduction time information.
[50] If it is determined in step S203 that the read pack is an audio pack, audio pack data in the AOBU is read (step S206), and audio data is reproduced (step S207).
[51] As described above, according to the present invention, since audio data and additional data associated with the audio data are recorded in the same basic recording unit AOBU, recording / editing / reproducing of additional data is easy. Further, according to the present invention, the user can additionally record additional information such as text on the already recorded audio data, and the additional information can be reproduced together with the audio data.

权利要求:
Claims (26)
[1" claim-type="Currently amended] And audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded at a predetermined position in a recording unit of the audio data.
[2" claim-type="Currently amended] The method of claim 1,
The recording unit includes at least one audio pack in which audio data is recorded.
The additional data is recorded separately from the audio pack.
[3" claim-type="Currently amended] The method of claim 2,
And the additional data is recorded to be reproduced in association with the audio pack.
[4" claim-type="Currently amended] The method of claim 2,
And the additional data is a real-time information (RTI) pack which is reproduced in real time in synchronization with audio data included in the audio pack.
[5" claim-type="Currently amended] The method of claim 4, wherein
The additional data is text data,
The real time information pack includes text data and synchronization information of the text data with respect to audio data included in the recording unit.
[6" claim-type="Currently amended] The method of claim 5,
The synchronization information includes reproduction time information of the text data.
And a reproduction start time of the text data is located within a reproduction section of the recording unit.
[7" claim-type="Currently amended] A recording method for recording audio data and additional data associated with the audio data, the recording method comprising:
(a) recording audio data in a predetermined recording unit; And
(b) recording the additional data at a predetermined position in the recording unit.
[8" claim-type="Currently amended] The method of claim 7, wherein
The recording unit includes at least one audio pack in which audio data is recorded,
And said additional data is recorded separately from said audio pack.
[9" claim-type="Currently amended] The method of claim 8,
And said additional data is recorded to be reproduced in association with said audio pack.
[10" claim-type="Currently amended] The method of claim 9,
And the additional data is a real time information (RTI) pack which is reproduced in real time in synchronization with audio data included in the audio pack.
[11" claim-type="Currently amended] The method of claim 10,
The additional data is text data,
The real time information pack includes text data and synchronization information of the text data with respect to audio data included in the recording unit.
[12" claim-type="Currently amended] A reproduction method for reproducing data from a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded at a predetermined position in a recording unit of the audio data.
(a) reading data in the recording unit; And
and (b) associating and reproducing audio data recorded in the read recording unit in association with the additional data.
[13" claim-type="Currently amended] The method of claim 12,
The recording unit includes at least one audio pack in which audio data is recorded,
And said additional data is recorded separately from said audio pack.
[14" claim-type="Currently amended] The method of claim 13,
And the additional data is recorded to be reproduced in association with the audio pack.
[15" claim-type="Currently amended] The method of claim 14,
And the additional data is a real time information (RTI) pack which is reproduced in real time in synchronization with audio data included in the audio pack.
[16" claim-type="Currently amended] The method of claim 15,
The additional data is text data,
And the real time information pack includes text data and synchronization information of the text data with respect to audio data included in the recording unit.
[17" claim-type="Currently amended] The method of claim 15,
The synchronization information includes reproduction time information of the text data.
And a playback start time of the text data is located within a playback section of the recording unit.
[18" claim-type="Currently amended] An audio signal processor configured to generate an audio pack by coding the input audio data, and to generate the audio object unit AOBU which is a predetermined recording unit by collecting the generated at least one audio pack;
An RTI signal processor for coding additional data associated with the audio data to generate a real-time information (RTI) pack;
A multiplexer for including an RTI pack provided from the RTI signal processor into an AOBU provided from the audio signal processor to generate an AOBU including additional data; And
And a recording controller for recording the AOBU generated by the multiplexer.
[19" claim-type="Currently amended] The method of claim 18,
And the multiplexer multiplexes the additional data recorded in the RTI pack to be reproduced in association with audio data included in the AOBU.
[20" claim-type="Currently amended] The method of claim 19,
And the RTI pack includes text data and synchronization information of the text data with respect to audio data included in the AOBU.
[21" claim-type="Currently amended] The method of claim 20,
The synchronization information includes reproduction time information of the text data.
And a playback start time of the text data is located within a playback section of the AOBU.
[22" claim-type="Currently amended] A reproduction apparatus for reproducing data from a recording medium in which audio data is recorded in a predetermined recording unit, and additional data associated with the audio data is recorded at a predetermined position in a recording unit of the audio data.
A reproduction controller for reading out an audio entity unit (AOBU) which is the recording unit;
A demultiplexer for demultiplexing the audio pack in which audio data is recorded from the read AOBU and the real-time information (RTI) pack in which additional data is recorded;
An audio signal processor that decodes the audio pack demultiplexed by the demultiplexer and outputs audio data; And
And an RTI signal processor for decoding the RTI pack demultiplexed by the demultiplexer and outputting the RTI pack to be associated with the audio data.
[23" claim-type="Currently amended] The method of claim 22,
And the RTI signal processor outputs text data contained in the RTI pack in synchronization with the audio data.
[24" claim-type="Currently amended] During recording, an audio pack is generated by coding input audio data, the generated at least one audio pack is collected to generate an audio object unit (AOBU) which is a predetermined recording unit, and demultiplexed from the AOBU by a demultiplexer during playback. An audio signal processor to decode the audio pack to output audio data;
During recording, code additional data associated with the audio data to generate a real time information (RTI) pack, which is an additional pack, and during playback decode the demultiplexed RTI pack from the AOBU by the demultiplexer and output it to be associated with the audio data. An RTI signal processor;
The RTI pack provided from the RTI signal processor is included in the AOBU provided from the audio signal processor to generate an AOBU including additional data, and an audio pack in which audio data is recorded from the AOBU read during reproduction and additional data are recorded. Multiplexer / demultiplexer to demultiplex RTI packs; And
And a recording / reproducing controller which records the AOBU generated by the multiplexer on a recording medium and reads out the AOBU which is a recording unit from the recording medium and provides the AOBU to the audio signal processor and the RTI signal processor. Playback device.
[25" claim-type="Currently amended] The method of claim 24,
And the RTI pack includes text data and synchronization information of the text data with respect to audio data included in the AOBU.
[26" claim-type="Currently amended] The method of claim 25,
The synchronization information includes reproduction time information of the text data.
And a playback start time of the text data is located within a playback section of the AOBU.

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WO2001050466A1|2001-07-12|

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
1999-12-31|Priority to KR19990067801

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1999-12-31|Priority to KR1019990067801

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2000-11-23|Application filed by 윤종용, 삼성전자 주식회사

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2000-11-23|Priority to KR1020000070007A

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2000-12-15|Priority claimed from US09/736,160

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2001-07-07|Publication of KR20010061942A

优先权:

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申请号 | 申请日 | 专利标题

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KR19990067801|1999-12-31|

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KR1019990067801|1999-12-31|

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KR1020000070007A|KR20010061942A|1999-12-31|2000-11-23|Recording medium recorded in data structure capable of editing additional data related to audio data, method and apparatus of recording/reproducing thereof|