CN1808603A - Data segment recording device and method in optical disk recorder - Google Patents
Data segment recording device and method in optical disk recorder Download PDFInfo
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- CN1808603A CN1808603A CN 200510023489 CN200510023489A CN1808603A CN 1808603 A CN1808603 A CN 1808603A CN 200510023489 CN200510023489 CN 200510023489 CN 200510023489 A CN200510023489 A CN 200510023489A CN 1808603 A CN1808603 A CN 1808603A
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Abstract
The disclosed data splitting and recording device in CD-rewritable device comprises: in the rewritable device, recording the A/V data on CD by a portable camera according to IEEE 1394 interface connection; referred the date and time information in time code and video additional data, splitting the former recorded A/V data into a new title or chapter for record and management when there is uncontinuity in date and time. This invention avoids user splitting the CD for edition.
Description
[technical field]
The invention relates to data segment recording device in a kind of CD writer (Disc recorder) with following characteristics and method thereof: in CD writer such as CD or DVD burner, the A/V data that will send from the field camera that connects by IEEE 1394 interfaces are recorded on the CD, and with reference to timing code (Time code) that detects the subcode (Subcode) that sends by above-mentioned interface and TRDA and the temporal information of VAUX, when the TRDA of these A/V data and time have uncontinuity, just can automatically the A/V data that write down before be divided into a new title (Title) or chapters and sections (Chapter), the line item of going forward side by side management.
[background technology]
Recently, the video of mpeg format and audio data recording can be stored in the CD writer such as on the such CD of DVD CD (for example: DVD-R, DVD-RW) that can write down high image quality video and high tone quality voice data and be developed, and put it into commercial operation.
In addition, can take the high image quality dynamic image and the field camera that its record can be stored in the digital video tape (DigitalVideo Tape) and also be developed, and put it into commercial operation.Above-mentioned CD writer can be connected by IEEE 1394 interfaces with field camera.
Then, above-mentioned field camera carries out reproduction operation, and above-mentioned CD writer is carried out writing task, thereby the A/V data that will read from digital video tape and regenerate are stored in the erasable DVD CD (DVD-RW) with the A/V traffic logging of mpeg format.
Give an example, as shown in Figure 1, the interface of above-mentioned CD writer by being connected with above-mentioned field camera, the A/V data that reception is read and regenerated from video tape (Video Tape), then it is recorded in the data area of erasable DVD, in this process, under the situation that stops (Stop) above-mentioned reproduction operation, the A/V data separation that has write down (for example: Title #2) is recorded as a title (Title).
Then, (for example: Title #2_ information), these information comprise: title (Title) beginning/end address, title (Title) name, title (Title) record date and temporal information etc. to generate corresponding with it title (Title) management information.These information are recorded in the ingress area as navigation (Navigation) information, and manage.Then, when field camera restarted reproduction operation, above-mentioned CD writer received the A/V data that read and regenerate from above-mentioned video tape, it is recorded among the erasable DVD.
Next, end along with above-mentioned field camera reproduction operation, perhaps according to user's application, under the situation that stops data recording work, the A/V data separation that at this moment above-mentioned CD writer will write down is recorded as another title (Title), and (for example: Title #3), and title (Title) management information that will be correspondingly (for example: Title #3_ information) write down and manage as navigation (Navigation) information.
But, as mentioned above, when the reproduction operation of video tape in the field camera stops, the A/V data that at this moment above-mentioned CD writer will write down are distinguished record as a title (Title) (or chapters and sections), therefore, when from video tape, generating continuously TRDA and time during mutually different a plurality of image, in CD, only write down a title (Title) (or chapters and sections), so the user must carry out title (Title) (or chapters and sections) editing of CD, and a plurality of image segmentation to be compiled as each mutually different a plurality of titles (Title) (or chapters and sections).This is the existing problem of conventional art.
[summary of the invention]
Therefore, the present invention arises at the historic moment in order to address the above problem.The objective of the invention is to provide data segment recording device and method thereof in a kind of CD writer with following characteristics: in CD writer such as CD or DVD burner, the A/V data that will send from the field camera that connects by IEEE 1394 interfaces are recorded on the CD, and with reference to timing code (Time code) that detects the subcode (Subcode) that sends by above-mentioned interface and TRDA and the temporal information of VAUX, when the TRDA of these A/V data and time have uncontinuity, just the A/V data that will write down before automatically are divided into a new title (Title) or chapters and sections (Chapter), the line item of going forward side by side management, like this, TRDA has just become other new a plurality of images with the time, even cyclic regeneration from video tape, also following a plurality of titles or chapters and sections relevant with each image of cutting recording automatically in the CD have been removed the title that the user carries out editing CD cutting apart of other or the work of chapters and sections from.
To achieve these goals, the data cutting recording method in the CD writer of the present invention comprises following two steps:
First step, will by interface receive the data stream of the formula that fixes (Format) convert mpeg format to traffic logging on CD, and the date and time information that receives by above-mentioned interface detected;
Second step when the date and time information through above-mentioned detection has uncontinuity, is divided into a new title (Title) or chapters and sections (Chapter), go forward side by side line item and management with the data stream that has write down before.
Data segment recording device in the CD writer of the present invention comprises following element:
Be used for the interface element that is connected with external unit;
Be used for and convert the data stream of mpeg format to by the data stream that above-mentioned interface element receives, and be recorded in the recording element on the CD;
Be used for the TRDA and the temporal information of above-mentioned data stream are detected, when this detected date and time information has uncontinuity, the data stream that has write down before is divided into a new title (Title) or chapters and sections (Chapter), the control element of the line item of going forward side by side management.
As mentioned above, data segment recording device in the CD writer of the present invention and method thereof have following characteristics and an effect: in CD writer such as CD or DVD burner, the A/V data that will send from the field camera that connects by IEEE 1394 interfaces are recorded on the CD, and with reference to timing code (Time code) that detects the subcode (Subcode) that sends by above-mentioned interface and TRDA and the temporal information of VAUX, when the TRDA of these A/V data and time have uncontinuity, just the A/V data that will write down before automatically are divided into a new title (Title) or chapters and sections (Chapter), the line item of going forward side by side management, like this, TRDA has just become other new a plurality of images with the time, even cyclic regeneration from video tape, also following a plurality of titles or chapters and sections relevant with each image of cutting recording automatically in the CD have been removed the title that the user carries out editing CD cutting apart of other or the work of chapters and sections from.
[description of drawings]
Fig. 1 shows that the A/V data will be recorded in the digital video tape in the past are recorded in the procedure chart among the erasable DVD (DVD-RW),
Fig. 2 shows the constitutional diagram of having adopted CD writer of the present invention and field camera to be connected by interface,
Fig. 3 is magnetic track (Track) structural drawing that has adopted digital video tape of the present invention,
Fig. 4 is the numeric structure figure that has adopted digital video tape of the present invention,
Fig. 5 shows the packet accompanying drawing that has sent from adopted field camera of the present invention,
Fig. 6 is the operational flow diagram according to the data cutting recording method in the CD writer of the present invention;
Fig. 7 is the embodiment according to the data cutting recording process in the CD writer of the present invention.
[embodiment]
With reference to the accompanying drawings, data segment recording device in the CD writer of the present invention and method thereof are described in detail.
Fig. 2 shows the constitutional diagram of having adopted CD writer of the present invention and field camera to be connected by interface.Give an example, above-mentioned field camera 100 is made of tape transport (Tape Deck) 11, DVCR system 12, microprocessor 13, the timer 14 of photographic means 10, tape, and above-mentioned CD writer 200 is made of CD 20, laser head 21, VDR system 22, microprocessor 23, timer 24.
Above-mentioned field camera 100 is connected by the interface arrangement 15,25 that has adopted the IEEE1394 interface mode with CD writer 200.As shown in Figure 3,100 pairs of above-mentioned field cameras have subcode (Subcode), video, audio frequency and ITI (Insert ﹠amp; The digital video tape of track structure Track) is carried out reproduction operation.
In addition, above-mentioned CD writer 200 receives the data of its regeneration from above-mentioned digital video tape, when the recording time of image in subcode (Subcode) magnetic track relevant with above-mentioned digital video tape increases continuously, just noted the timing code (Time code) that increases successively in proportion, in above-mentioned video track, just noted and comprise picture recording date and time (Rec_date ﹠amp; Time) the Video Add-On data of information.
Promptly, comprise the timing code (Time code) that is recorded in the above-mentioned subcode (Subcode) and on the time point that any one picture recording begins, all be recorded as 0 (Zero), increase successively then, when recording new image, recovering (Reset) again is 0 (Zero), therefore the microprocessor 13 of above-mentioned CD writer 200 just is judged as the new image of regenerating when above-mentioned timing code (Time code) is 0 (Zero).
Then, as shown in Figure 4, being recorded in video data, voice data and subcode (Subcode) data in the above-mentioned digital video tape has comprised addition record and and be used for revising the form of the digital of digital video data (Digital VideoData) of the strange coupling verification (Parity) of (Sync) data and ID, stem (header) and mistake (Error) synchronously.
On the other hand, 1 frame data stream that is sent to above-mentioned CD writer 200 by above-mentioned IEEE1394 interface forms 10 digital interface sequences, and (DIFs0～DIFs9), an above-mentioned digital interface sequence (for example: DIFs3) be made of stem and subcode (Subcode), VAUX and 150 videos and musical audio digital interface piece (Videoand Audio DIF Blocks).
In addition, (among the DIFb0～DIFb149), (for example: DIFb2) data by ID, stem and 76Byte constitute any one piece, and transmit output by above-mentioned IEEE 1394 interfaces with the transfer rate of 28.77Mbps in above-mentioned 150 digital interface block.Owing to comprised as picture recording date and time (Rec_date ﹠amp among the above-mentioned VAYX; Time) information is so can detect with reference to above-mentioned TRDA and time (Rec_date ﹠amp at the microprocessor 13 of the CD writer 200 that receives these data; Time) information, and be judged as the new image of regenerating.
Then, the VDR system 22 of above-mentioned video tape receives aforesaid data, and it is carried out signal Processing, converts thereof into the A/V data stream of mpeg format, then, carry out such as the medium a series of activities in data area that it is recorded in erasable DVD (DVD-RW).At this moment, the TRDA and temporal information (the Rec_date ﹠amp that comprise in timing code (Time code) that comprises in 13 pairs of above-mentioned subcodes of above-mentioned microprocessor (Subcode) and the above-mentioned Video Add-On data; Time) detect reference, when the TRDA of the A/V data of regenerating in the above-mentioned video tape and time have uncontinuity, the A/V data that write down before are divided into a new title (Title) or chapters and sections (Chapter) automatically, and note.To this detailed being described as follows.
Fig. 6 is the operational flow diagram according to the data cutting recording method in the CD writer of the present invention.As mentioned above, above-mentioned CD writer 200 is connected with field camera 100 by IEEE 1394 interfaces, step S10, above-mentioned field camera 100 is according to user's application, read the data of regenerative recording in digital video tape, above-mentioned CD writer 200 receives the data stream of exporting, step S11 by IEEE 1394 interfaces from above-mentioned field camera 100.
Then, the microprocessor 13 of above-mentioned CD writer 200 is when the user applies for beginning disk recording, step S12, above-mentioned DVCR system 12 is controlled, and the data stream of the video format that receives by above-mentioned IEEE 1394 interfaces carried out signal Processing, convert thereof into the data stream of mpeg format, then, it is recorded in the data area of erasable DVD (DVD-RW) step S13.
Then, above-mentioned microprocessor 13 is carried out aforesaid data recording work, and then the subcode (Subcode) and the VAUX data that send from above-mentioned CD writer 200 are discerned search, step S14, as mentioned above, the timing code (Time code) that comprises record in the above-mentioned subcode (Subcode) all is recorded as 0 (Zero) on any one picture recording start time point, increase successively then, in the time will recording new image, it is 0 (Zero) that timing code (Time code) is recovered (Reset), therefore when above-mentioned timing code (Time code) is 0 (Zero), just be judged as the new image of regenerating.
Above-mentioned VAUX has comprised the TRDA and time (the Rec_date ﹠amp of image; Time) information, therefore above-mentioned microprocessor 13 can be by detecting above-mentioned TRDA and time (Rec_date ﹠amp; Time) information is judged the new image of regenerating.
Give an example, as shown in Figure 7, as timing code (Time code) or TRDA and time (Rec_date﹠amp; When time) information is detected as discontinuous temporal information, above-mentioned microprocessor 13 just is judged as the new image of regenerating on this time point, and then above-mentioned VDR system 22 controlled, and carry out interim buffering (Bufering) work that stores the data stream that from above-mentioned field camera, receives.
The data separation of above-mentioned microprocessor 13 record before inciting somebody to action (for example: Title #3) afterwards is recorded as a new title (Title) (or chapters and sections), just general's title (Title) management information correspondingly (for example: Title #3_ information), the heading message of title (Title) beginning/end address, title (Title) name, title (Title) record date and time etc. for example, be recorded in the ingress area (Lead-In Area) as navigation (Navigation) information, and manage step S16.
Then, the above-mentioned VDR of 13 pairs of above-mentioned microprocessors system 22 controls, and carries out the front is cushioned a series of writing tasks of traffic logging on CD of (Buffering) again.Give an example, application according to the user, when stopping recording work, step S17, above-mentioned microprocessor 13, as shown in Figure 7, with the data of record before as another new title (Title) (or chapters and sections) (for example: Title #4) carry out record, then, then will be with it corresponding title (Title) management information (for example: Title #4_ information) be recorded in the ingress area (Lead-In Area) as navigation (Navigation) information, and manage step S18.
Carry out then and apply for relevant any operation with the user, step S19, so can will be recorded on the digital video tape, and mutually different a plurality of images of TRDA and time, automatically cutting recording is mutually different a plurality of title (Title) (or chapters and sections) on CD, thereby manages.
By above-mentioned description, the related work personnel can carry out diversified change or modification fully under the prerequisite that does not depart from this invention technological thought scope.Therefore, the technical scope of this invention is not limited to the content that example is put down in writing, and must determine its technical scope according to the scope that patent is called.
Claims (9)
1, the data cutting recording method in the CD writer comprises:
First step, the traffic logging that the data stream of the formula that fixes that will receive by interface converts mpeg format to be on CD, and the date and time information that receives by above-mentioned interface is detected;
Second step when the date and time information through above-mentioned detection has uncontinuity, is divided into a new title or chapters and sections with the data stream that has write down before, go forward side by side line item and management.
2, as the data cutting recording method in the claim item 1 described CD writer, it is characterized in that:
In above-mentioned first step, the data stream of the video format that will receive from the field camera that connects by IEEE 1394 interfaces converts the data stream of mpeg format to, be recorded on the CD then, and the timing code of the subcode that receives by above-mentioned interface and the TRDA and the temporal information of Video Add-On data are detected.
3, as the data cutting recording method in the claim item 1 described CD writer, it is characterized in that:
In above-mentioned second step, the timing code of above-mentioned subcode and the TRDA and the temporal information of Video Add-On data are detected reference, when above-mentioned TRDA and temporal information have uncontinuity, the data stream that writes down before is divided into a new title or chapters and sections, generates the corresponding with it management information of record then.
4, as the data cutting recording method in the claim item 1 described CD writer, it is characterized in that:
The data stream of the formula that fixes that will receive by above-mentioned interface converts the data stream of mpeg format to, and be recorded on the CD, in this process, when user's application stops to record, the data stream that writes down before is divided into a new title or chapters and sections, generates and write down management information correspondingly then.
5, as the data cutting recording method in the claim item 1 described CD writer, it is characterized in that:
Above-mentioned CD writer is a DVD burner, and above-mentioned management packets contains the title that writing down above-mentioned cutting recording or the record date or the temporal information of chapters and sections.
6, the data segment recording device in the CD writer comprises:
Be used for the interface element that is connected with external unit;
Be used for and convert the data stream of mpeg format to by the data stream that above-mentioned interface element receives, and be recorded in the recording element on the CD;
Be used for the TRDA and the temporal information of above-mentioned data stream are detected, when this detected date and time information has uncontinuity, the data stream that has write down before is divided into a new title or chapters and sections, the control element of the line item of going forward side by side management.
7, as the data segment recording device in the claim item 6 described CD writer, it is characterized in that:
The said external connection device is a field camera, and above-mentioned interface element is IEEE 1394 interfaces.
8, as the data segment recording device in the claim item 6 described CD writer, it is characterized in that:
When the TRDA of the timing code of the subcode that receives by above-mentioned interface element and Video Add-On data and temporal information have uncontinuity, above-mentioned control element will before the data stream of record be divided into a new title or chapters and sections, regenerate then and write down corresponding with it management information.
9, as the data segment recording device in the claim item 6 described CD writer, it is characterized in that:
Above-mentioned control element when user's application stops to record, is divided into another new title or chapters and sections with the data stream of record before in the process of traffic logging on above-mentioned CD, generates and write down corresponding with it management information then.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023489 CN1808603A (en) | 2005-01-21 | 2005-01-21 | Data segment recording device and method in optical disk recorder |
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| CN 200510023489 CN1808603A (en) | 2005-01-21 | 2005-01-21 | Data segment recording device and method in optical disk recorder |
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| CN1808603A true CN1808603A (en) | 2006-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662627B (en) * | 2008-08-28 | 2012-08-08 | 华为技术有限公司 | Additional data recording method and related device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662627B (en) * | 2008-08-28 | 2012-08-08 | 华为技术有限公司 | Additional data recording method and related device |
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