CN101116334A - Apparatus for splicing of terrestrial dmb signal - Google Patents
Apparatus for splicing of terrestrial dmb signal Download PDFInfo
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- CN101116334A CN101116334A CNA2005800479960A CN200580047996A CN101116334A CN 101116334 A CN101116334 A CN 101116334A CN A2005800479960 A CNA2005800479960 A CN A2005800479960A CN 200580047996 A CN200580047996 A CN 200580047996A CN 101116334 A CN101116334 A CN 101116334A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2365—Multiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4347—Demultiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
Abstract
Provided is an apparatus for splicing a terrestrial DMB signal. The apparatus includes: a first media data analyzing and correcting unit for analyzing a first media data which is a current broadcasted MPEG transport stream (TS), extracting first splicing information required for splicing, and correcting the first media data to be proper to a MPEG system standard after splicing; a second media data analyzing and correcting unit for analyzing a second media data, which is a MPEG TS to be inserted through splicing, extracting second splicing information required for splicing, and correcting the second media data to be proper to a MPEG system standard after splicing; and a stream multiplexing unit for selecting a stream of the corrected second media data to be inserted through splicing at a time of splicing while transmitting streams of the corrected first media data, and outputting the selected stream.
Description
The cross reference of related application
The application comprises the theme that is involved in the korean patent application submitted to Korea S Department of Intellectual Property on December 10th, 2004 2004-0104471 number, and its full content incorporates this paper by reference.
Technical field
The present invention relates to be used for the device of ground-engaging DMB vision signal, more specifically, thus even relate in the terrestrial DMB transfer system, be used for ground-engaging DMB vision signal and when transmitting a program, insert and transmit another program and also can provide consistently and do not have the device that interrupts broadcast service.
Background technology
People have developed a kind of digital audio broadcasting based on Eureka-147 (DAB) transfer system and have handled and transmitted voice data or low volume data, and this is because be digitlization to analogue audio frequency broadcasting based on the purpose of the DAB transfer system of Eureka-147.But, in Korea S and ETSI (ETSI), developed the new standard and the technology that are used for T-DMB (DMB) standard, provide the moving image multimedia service to use DAB transfer system based on Eureka-147.
Fig. 1 is the block diagram of the conceptual architecture of demonstration DMB video multiplexer.
The conceptual architecture of DMB video multiplexer shown in Figure 1 comprises: IOD maker 101, OD/BIFS maker 102, MPEG-4 video encoder 103, MPEG-4 video vocoder 104, SL (layer, sync) burster 106, added block 105, segmentation maker 107, PES (burster flows substantially) burster 108, TS (transport stream) multiplexer 109 and outer layer coder 110.Statement is as follows in ETSITS (technical specification) 104 428.
IOD maker 101 is set up the IOD that meets ISO/IEC 14496-1.OD/BIFS maker 102 is set up the OD/BIFS stream that meets ISO/IEC 14496-1.MPEG-4 video encoder 103 generates the coded bit stream that meets ISO/IEC 14496-10.Have only when transmitting ancillary information or provide the synchronizing interactive service, just optionally use added block 105.SL burster 106 generates the SL stream of packets that meets ISO/IEC14496-1.For the IOD/OD/BIFS of input, segmentation maker 107 is set up the segmentation that meets ISO/IEC 13818-1.For the SL stream of packets, PES burster 108 generates the PES stream of packets that meets ISO/IEC13818-1.TS multiplexer 109 is combined as the MPEG-2 TS that meets ISO/IEC 13818-1 with the segmentation and the PES stream of packets of input.For the grouping in the MPEG-2 TS multiplexed data flow, outer layer coder 110 generates RS (Reed-Solomon) code that is used for error correction, and RS coded data stream is by convolutional interleave.
By main service channel (MSC) the stream mode data channel of the DAB of the Eureka-147 of definition among the ETSI EN 300 401, transmit the stream of multiplexing (with the skin coding).
The terrestrial DMB transfer system generates the composite signal based on the DAB standard of Eureka-147, and transmits the composite signal that is generated.
When at the new broadcast figure signal that sends in the mode different with the conventional simulation broadcast system in the current broadcast digital signal of first broadcast signal source, will engage from the current broadcast digital signal of first broadcast signal source input from the input of second broadcast signal source, the general digit broadcasting system that comprises the terrestrial DMB transfer system can not provide does not have the broadcast service of interrupting.
In order to prevent this type of interruption program, to be the broadcasting analog signal from the broadcast figure signal decoding of first and second broadcast signal source, engage this broadcasting analog signal, the broadcasting analog signal that will engage once more is encoded to the broadcast figure signal, transmits the digital signal of coding then.Therefore, need expensive coding equipment, come the encoding and decoding digital broadcast signal, and decoding and encoding process can reduce image quality.
Summary of the invention
Therefore, thus when the terrestrial DMB transfer system transmits scheduled program, insert and transmit another program and also can provide and do not have the device that interrupts broadcast service even one object of the present invention is to be provided for ground-engaging DMB signal.
Another object of the present invention is to be provided for ground-engaging DMB signal does not have the device that interrupts broadcast service to provide, this moment is when the terrestrial DMB transfer system transmits scheduled program, insert and transmit commercial programme, when the terrestrial DMB transfer system transmits commercial programme, insert and transmit scheduled program once more, when the terrestrial DMB transfer system transmits the center broadcast program, insert and transmit local broadcast programs, perhaps when the terrestrial DMB transfer system transmits local broadcast programs, insert and the center of transmission broadcast program.
According to an aspect of the present invention, a kind of device that is used for ground-engaging DMB (DMB) signal is provided, comprise: first media data (not being the DMB video TS of outer coding) is analyzed and is corrected the unit, being used for analysis is first media data of current broadcasted MPEG transport stream (TS), extract and engage the first required splice information, and after engaging, correct first media data to be suitable for the mpeg system standard; Second media data analyzing and correction unit are used to analyze into extracting the second required splice information of joint, and correct second media data to be suitable for the mpeg system standard after engaging by engaging second media data of the MPEGTS that inserts; And the stream Multiplexing Unit, be used for the stream of second media data in the stream that transmits first media data after correcting, after the correction that the selection of time that engages will be inserted by joint, and export selected stream.
When retransferring the center broadcast program, the terrestrial DMB transfer system inserts and when transmitting local broadcast programs or commercial programme, the device that is used for ground-engaging DMB signal according to the present invention provides does not have the broadcast service of interruption.
According to the device that the is used for ground-engaging DMB signal of the present invention coding equipment of needs costliness not, and prevented the decline of image quality, this be because according to device of the present invention not needs digital broadcast signal is encoded to analog broadcast signal to engage, do not need the analog broadcast signal after engaging is decoded as digital broadcast signal to transmit yet.
Description of drawings
From the description of the preferred embodiment that provides below in conjunction with accompanying drawing, of the present invention abovely will become apparent with other purpose, feature, in the accompanying drawing:
Fig. 1 is the block diagram of the conceptual architecture of diagram DMB video multiplexer; And
Fig. 2 is for being used for the block diagram of the device of ground-engaging DMB signal according to the preferred embodiment of the invention.
Embodiment
From the following description to embodiment with reference to accompanying drawing that hereinafter proposes, other purpose of the present invention and aspect will become apparent.
In the terrestrial DMB transfer system of use, according to digital composite signal or the digital DMB signal that is used for the means for engaging MPEG-2 TS layer of ground-engaging DMB broadcast singal of the present invention based on the DAB transfer scheme of Eureka-147.
Fig. 2 is for being used for the block diagram of the device of ground-engaging DMB signal according to the preferred embodiment of the invention.
With reference to Fig. 2, comprise according to the device that is used for ground-engaging DMB signal of current embodiment: complex data analytic unit 201,211 is used to receive the complex data that complex data and analysis are received; Outer decoding unit 202 and 212 is used for the media data of subchannel is carried out outer layer decoder, is used for joining to the composite data frames of input with the data with outer layer decoder; Media data analyzing with correct unit 203,213, be used to analyze the MPEG-2 TS media data of outer layer decoder, and after engaging outside the correction MPEG-2 TS media data of layer decoder to be suitable for MPEG-2 and MPEG-4 system standard; Buffer 204,214 is used for storage and reads media data; Stream Multiplexing Unit 205 is used for selecting current transmission stream or of the new stream that will transmit, and the stream selected of output; Outer coding unit 206 is used for the media data that engages is carried out the skin coding; Complex data constitutes unit 207, is used to constitute the complex data that is suitable for the Eureka-147 standard, and exports the complex data that is constituted; And buffer 208, be used for interim storage and constitute the required data of complex data.
MPEG-2 TS media data or Eureka-147 composite signal can be used as input signal.According to the present invention, in broadcasting input signal A, engage and broadcasting input signal B wherein input signal A presentation medium data A or complex data A, and input signal B also presentation medium data B or complex data B.
Complex data analytic unit 201 or 211 receives complex datas, analyzes composite data frames, the media data of the subchannel that isolation will be used to engage, and the media data of isolating outputed to outer decoding unit 202 or 212.
The media data of outer decoding unit 202 or 212 pairs of isolation carries out outer layer decoder, and exports outer decoded media data to corresponding media data analyzing and correction unit 203 or 213.For outer layer decoder, can use convolution de-interleaver scheme or Reed Solomon decoding scheme.
Media data analyzing and correction unit 203 or 213 media datas that receive from decoding unit 202 external unit or outer or 212, the media data that analysis is received, the predetermined information that extraction is used to engage, and after engaging, correct media data to be suitable for MPEG-2 and MPEG-4 system standard.Be that media data analyzing is that unit management engages the flow data that the boundary member place is not cut out with the Payload with correcting unit 203 or 213, and the consistency of correction media data to have whenever the program identifier distribution of stream substantially, temporal information PCR, OCR, DTS, CTS and before to have transmitted the continuity counter between flowing and newly flowing.
Below describe media data analyzing and this generic operation of correcting unit 203 or 213 in detail.
Media data analyzing and the Program Association Table (PAT) and Program Map Table (PMT) corrected in the TS grouping of passing through the analysis input in the unit, the acquisition peculiar information of program (PSI).PSI comprises the PID of the information that constitutes each ES (such as BIFS, OD, video and audio frequency).And if the PSI of the stream of input is different with the PSI of current transmission stream, then media data analyzing and correction unit corrects inlet flow are to have consistency.In addition, media data analyzing and the Payload unit that correction unit basis is not cut out are the TS grouping that unit management has identical PID with the Payload.The TS grouping can be made of PAT, PMT, BIFS, OD, video ES and audio ES.Promptly, media data analyzing and correction unit 203 or 213 are by selecting to have in the TS grouping TS grouping of " 1 " successively, as payload_unit_start_indicator (the Payload unit begins designator), correct the TS grouping, and the TS grouping after storage is corrected in buffer is perhaps by selecting to have in the TS grouping TS grouping of " 1 " successively, as payload_unit_start_indicator, read the TS grouping, and correct the TS grouping of reading.
After engaging media data, media data analyzing with correct the media data that unit corrects engages, thereby have the consistency between the continuity_counter value of continuity_counter (continuity counter) value of the previous stream that has transmitted and the current stream that is transmitting.That is, media data analyzing with correct the TS grouping that unit corrects has identical PID in the continuity_counter value, thereby be increased to 15 from 0 repeatedly.
When having effective timer reference of programs (PCR), media data analyzing and correction element analysis adaptation_field (adaptation fields), and correct adaptation_field to have consistency.In addition, there is information, utilizes splice_countdown (joint countdown) value to engage about the time that engages.The remaining number with TS grouping of identical PID of splice_countdown value representation when engaging.Be right after and have " 0 ", the TS grouping with identical PID is engaged as after the TS of the splice_countdown value grouping.
Media data analyzing and the parameter value of correcting in the unit corrects SL packet header are to have previous stream that has transmitted and the consistency between the current stream that is transmitting.Parameter value in the SL packet header can be OCR, DTS and CTS.
Can determine time of engaging preordering method to use the engaging time information among the adaptation_field or to be provided with by broadcast service provider or broadcasting equipment.After having determined the time that engages, media data analyzing is the flow data that the boundary member place is not cut out that engages that unit management centers on this engaging time with the Payload with correcting Single Component Management, and the management buffer is in order to avoid overflow (overflow).
Stream Multiplexing Unit 205 passes through to consider above-mentioned condition, the stream that has before transmitted replaced with from the new stream of other stream source input, and the stream after the output replacement.Under the situation of media data A or complex data A,, be corrected in the stream of storage in the buffer 204, to be suitable for MPEG-2 and MPEG-4 system standard by media data analyzing and correction unit 203.For the media data after in stream Multiplexing Unit 205, use correcting as the input data in, stream after in stream Multiplexing Unit 205, using new replacement, by media data analyzing and correction unit 213, be corrected in the stream of storage in the buffer 214, being suitable for MPEG-2 and MPEG-4 system standard, and the media data after will correcting is as the input data in the stream Multiplexing Unit 205.And then after engaging, must transmit video flowing from the I picture.
Correspondingly, before use stream was broadcasted, the I picture of stream must at first be stored in the buffer 214, and after the new I picture of beginning storage in buffer 214, eliminated all previous stream.When storage data in buffer 204, eliminate the Null grouping, store data then.In addition, if in buffer 204 the data quantity stored deficiency, then generate Null grouping and output to external equipment or outer coding unit 206.
Complex data constitutes unit 207 and receives the media data that engages from outer coding unit 206, constitutes to be suitable for the complex data of Eureka-147 standard, and exports this complex data.In addition, complex data constitutes unit 207 and receives from complex data analytic unit 201 or 211 and remove data the media data that engages, other subchannel and fast information channel in dab receiver (FIC) information, and is used to the media data formation complex data from outer coding unit 206.
Simultaneously, complex data constitutes the buffer 208 that unit 207 uses storage FIC information and sub-channel data, to constitute complex data.Complex data constitutes unit 207 management buffers in order to avoid overflow, and constitutes complex data being suitable for the Eureka-147 standard, and the output compound frame.
Above-mentioned the method according to this invention can be implemented as program, and is stored on the computer readable recording medium storing program for performing.Computer readable recording medium storing program for performing is for can be by any data storage device of the data of computer system reads after can storing.Computer readable recording medium storing program for performing comprises read-only memory (ROM), random-access memory (ram), CD-ROM, floppy disk, hard disk and photomagneto disk.
Though described the present invention with respect to certain preferred embodiment, those skilled in the art should be understood that: under the prerequisite of the scope of the present invention that does not break away from claims and limited, can carry out various changes and modification.
Claims (12)
1. the device of a ground-engaging DMB (DMB) signal comprises:
First media data analyzing and correction parts, be used for analyzing first media data as current broadcasted MPEG transport stream (TS), extract and engage the first required splice information, and after engaging, correct first media data to be suitable for the mpeg system standard;
Second media data analyzing and correction parts are used to analyze second media data as passing through to engage the MPEG TS that inserts, and extraction engages the second required splice information, and corrects second media data to be suitable for the mpeg system standard after joint; And
The stream reusable component of software is used for the stream of second media data in the stream that transmits first media data after correcting, after the selection of time that engages will be passed through to engage the correction of inserting, and exports selected stream.
2. device as claimed in claim 1 also comprises: the first complex data analysis component, be used to analyze first complex data, and the media data of separaant channel, and the media data that output is isolated is to first media data analyzing and correction parts.
3. device as claimed in claim 2 also comprises: the first outer decoding parts, layer decoder outside the media data that is used for the subchannel that will be used to engage to the frame at first complex data carries out.
4. device as claimed in claim 1 also comprises: the second complex data analysis component, be used to analyze second complex data, and isolate the media data of the subchannel that is used to engage, and the media data that output is isolated is to second media data analyzing and correction parts.
5. device as claimed in claim 4 also comprises:
Outer addressable part is used for the media data from the output of stream reusable component of software is carried out the skin coding;
The complex data component parts is used to utilize the analysis result of the first complex data analysis component and the second complex data analysis component, reconstitutes the complex data that is suitable for the DMB broadcast standard; And
Memory unit is used to store the required data of formation complex data.
6. device as claimed in claim 4 also comprises: the second outer decoding parts, layer decoder outside the media data that is used for the subchannel that will be used to engage to the frame at second complex data carries out.
7. device as claimed in claim 6 also comprises:
Outer addressable part is used for the media data from the output of stream reusable component of software is carried out the skin coding;
The complex data component parts is used to utilize the analysis result of the first complex data analysis component and the second complex data analysis component, reconstitutes the complex data that is suitable for the DMB broadcast standard; And
Memory unit is used to store the required data of formation complex data.
8. device as claimed in claim 4, wherein first media data analyzing with correct parts and second media data analyzing and program distribution table (PAT) and the Program Map Table (PMT) of correcting the media data of parts by analyzing input, obtain the peculiar information of program (PSI), and the PSI of the media data of correction input is with identical with the PSI of current media data of being broadcasted.
9. device as claimed in claim 4, wherein first media data analyzing and correction parts and second media data analyzing and correction parts are according to the Payload unit, management has the packets of media data of same program identifier (PID), and after engaging the correcting parameter value to compare the consistency of keeping these parameter values with the parameter value of the previous media data that is transmitted.
10. device as claimed in claim 9, wherein said parameter comprise temporal information and continuity counter.
11. device as claimed in claim 4, wherein first media data analyzing and the preordering method of correcting the parts and second media data analyzing and correcting the engaging time information in the parts use media data or be provided with by broadcast service provider or broadcast system are come definite time that engages.
12. device as claimed in claim 4, wherein first media data analyzing with correct parts and second media data analyzing and correction parts storage and management media data in additional buffer, after having eliminated Null grouping in this buffer the medium data, if and when when this buffer reads media data this buffer the data quantity stored deficiency, then generate and use the Null grouping.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0104471 | 2004-12-10 | ||
| KR1020040104471 | 2004-12-10 | ||
| KR1020040104471A KR100789365B1 (en) | 2004-12-10 | 2004-12-10 | Apparatus and Method for splicing of terrestrial DMB signal |
| PCT/KR2005/003219 WO2006080660A1 (en) | 2004-12-10 | 2005-09-28 | Apparatus for splicing of terrestrial dmb signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101116334A true CN101116334A (en) | 2008-01-30 |
| CN101116334B CN101116334B (en) | 2012-06-13 |
Family
ID=36740648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800479960A Expired - Fee Related CN101116334B (en) | 2004-12-10 | 2005-09-28 | Apparatus for splicing of terrestrial dmb signal |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1820340A4 (en) |
| KR (1) | KR100789365B1 (en) |
| CN (1) | CN101116334B (en) |
| WO (1) | WO2006080660A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301709A (en) * | 2008-12-02 | 2011-12-28 | Tdf公司 | Method And Device For Sending A Digital Data File In Accordance With The Dmb Standard |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100964380B1 (en) * | 2008-08-13 | 2010-06-17 | 한국전자통신연구원 | Method and apparatus of providing local broadcasting services |
| FR2940563B1 (en) * | 2008-12-18 | 2012-04-06 | Tdf | METHODS FOR BROADCAST AND RE-DIFFUSION OF A SIGNAL IN A RADIOPHONE DIFFUSION NETWORK, DIFFUSER AND RE-DIFFUSER, SIGNAL AND CORRESPONDING COMPUTER PROGRAM PRODUCTS |
| EP2328287A3 (en) * | 2009-11-30 | 2014-05-14 | Electronics and Telecommunications Research Institute | Relaying emergency broadcasts |
| KR101620083B1 (en) * | 2014-08-29 | 2016-05-11 | 주식회사 마루이엔지 | Splicing Apparatus for Multi Channel Digital Broadcasting and Method thereof |
| KR102106632B1 (en) * | 2019-04-01 | 2020-05-04 | 주식회사 캐스트코아 | Apparatus for switching of digital broadcasting signal and method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5534944A (en) * | 1994-07-15 | 1996-07-09 | Matsushita Electric Corporation Of America | Method of splicing MPEG encoded video |
| US5917830A (en) * | 1996-10-18 | 1999-06-29 | General Instrument Corporation | Splicing compressed packetized digital video streams |
| US6806909B1 (en) * | 1997-03-03 | 2004-10-19 | Koninklijke Philips Electronics N.V. | Seamless splicing of MPEG-2 multimedia data streams |
| US6298088B1 (en) * | 1997-05-28 | 2001-10-02 | Sarnoff Corporation | Method and apparatus for splicing compressed information signals |
| KR100574186B1 (en) * | 1997-10-03 | 2006-04-27 | 소니 가부시끼 가이샤 | Encoded stream splicing device and method, and an encoded stream generating device and method |
| US6487721B1 (en) * | 1998-01-30 | 2002-11-26 | General Instrument Corporation | Apparatus and method for digital advertisement insertion in a bitstream |
| JPH11261958A (en) * | 1998-03-09 | 1999-09-24 | Sony Corp | Video editing device and video editing method |
| US6792047B1 (en) * | 2000-01-04 | 2004-09-14 | Emc Corporation | Real time processing and streaming of spliced encoded MPEG video and associated audio |
| JP3576154B2 (en) * | 2001-10-22 | 2004-10-13 | 松下電器産業株式会社 | Data stream selection output device, control program, recording medium recording the control program, data stream selection output method |
| JP2003204482A (en) * | 2001-10-22 | 2003-07-18 | Matsushita Electric Ind Co Ltd | Broadcasting device |
-
2004
- 2004-12-10 KR KR1020040104471A patent/KR100789365B1/en not_active IP Right Cessation
-
2005
- 2005-09-28 WO PCT/KR2005/003219 patent/WO2006080660A1/en active Application Filing
- 2005-09-28 CN CN2005800479960A patent/CN101116334B/en not_active Expired - Fee Related
- 2005-09-28 EP EP05856392A patent/EP1820340A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301709A (en) * | 2008-12-02 | 2011-12-28 | Tdf公司 | Method And Device For Sending A Digital Data File In Accordance With The Dmb Standard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101116334B (en) | 2012-06-13 |
| WO2006080660A1 (en) | 2006-08-03 |
| EP1820340A1 (en) | 2007-08-22 |
| KR20060065361A (en) | 2006-06-14 |
| KR100789365B1 (en) | 2007-12-28 |
| EP1820340A4 (en) | 2009-12-09 |
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