CN101287115B - System and method for implementing fast playing of mobile phone television program - Google Patents
System and method for implementing fast playing of mobile phone television program Download PDFInfo
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- CN101287115B CN101287115B CN2008100818861A CN200810081886A CN101287115B CN 101287115 B CN101287115 B CN 101287115B CN 2008100818861 A CN2008100818861 A CN 2008100818861A CN 200810081886 A CN200810081886 A CN 200810081886A CN 101287115 B CN101287115 B CN 101287115B
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- demultiplexing
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- service instruction
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Abstract
The invention provides a system and a method for realizing the fast playing of a mobile phone TV program, and also provides a corresponding server of the mobile phone TV program and a mobile terminal. By integrating de-multiplexing parameters into an electronic business guide to be transmitted together with the electronic business guide, after the mobile terminal obtains a business identifier and a frequency point number for a user to choose a channel in the electronic business guide, the invention can obtain the corresponding de-multiplexing parameters directly from a relevant field in the electronic business guide and carry out de-multiplexing to multimedia broadcasting data according to the de-multiplexing parameters so as to broadcast a program stream. The mobile terminal does not need to search in a control logical channel, thereby saving the time and realizing the fast playing of the mobile phone TV program.
Description
Technical field
The present invention relates to Mobile Multimedia Broadcasting (CMMB, China Mobile Multimedia Broadcasting) or technical field of mobile TV, specifically, be a kind of portable terminal that can realize that program is play fast, and this TV Festival destination server is provided.The invention still further relates to the method and system of realizing that mobile TV program is play fast.
Background technology
Mobile multi-media broadcasting service (being mobile TV again) is a kind of multimedia broadcasting technology of rising in recent years.This technology is by handheld terminal, under the situation of high-speed mobile, can watch TV.Terminal is by receiving electron service instruction (ESG, Electronic Service Guide) relevant information (comprising Business Name, reproduction time, content outline, price etc.) of understanding mobile multi-media broadcasting service, and select oneself to have the right to accept within limits the channel of seeing, thereby can receive the multi-medium data of selected channel, be implemented in and see TV on the portable terminal.
Behind the user selected channel, the parameters such as RS bit rate, byte-interleaved pattern, timeslot number that must obtain the corresponding multiplexed frame of this channel could demultiplexing and broadcast program.At present, the concrete steps of obtaining relevant parameter are:
Behind A, the user selected channel, terminal is searched this channel corresponding service sign and frequency numbering in the ESG data;
B, terminal are searched in control logic channel (MF_ID=0) should service identification and the lasting period service duplexing configuration list (CMCT, Continual service Multiplex Configuration Table) of frequency numbering;
C, obtain the RS (Reed-Solomon in this multiplexing allocation list, Read-Solomon) bit rate, byte-interleaved pattern, LDPC (Low Density Parity Check Code, low density parity check code) code rate, modulation system, number of timeslots and these six parameters of timeslot number;
D, carry out demultiplexing, broadcast program stream according to multiplexing parameters.
In this manner, terminal is obtained from the ESG data after service identification and the frequency numbering, needs to search for corresponding multiplexing configuration parameter with the long time in control channel, and making time lengthening to be watched such as user influences user experience.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of portable terminal, and with the corresponding mobile phone TV server of this portable terminal, can be implemented in the portable terminal broadcasting mobile TV program fast; The present invention also provides a kind of method and system that mobile TV program is play fast of realizing realizing in the portable terminal.
In order to address the above problem, the invention provides a kind of mobile phone TV server, multiplexing parameters is left in the field that electron service instruction comprises, the multimedia broadcast data that carries described electron service instruction is sent.
Further, the field of depositing the demultiplexing parameter is arranged in the business element or the service parameter element of described electron service instruction.
Described demultiplexing parameter comprises Read-Solomon RS bit rate, byte-interleaved pattern, low density parity check code LDPC code rate, modulation system, number of timeslots and timeslot number at least.
The present invention also provides a kind of portable terminal, be used for the receiving multimedia broadcast data, this portable terminal also is used for storing according to the electron service instruction that described multimedia broadcast data carries the field of demultiplexing parameter and obtains the demultiplexing parameter, and according to this demultiplexing parameter to described multimedia broadcast data demultiplexing, broadcast program stream.
Further, deposit the field of demultiplexing parameter in the described electron service instruction, be arranged in the business element or the service parameter element of described electronic guide.
Described demultiplexing parameter comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least.
The present invention also provides and has realized the method that mobile TV program is play fast in a kind of portable terminal, may further comprise the steps:
Mobile phone TV server sends the multimedia broadcast data that carries electron service instruction, comprise a field in the described electron service instruction, deposited the demultiplexing parameter in this field, described demultiplexing parameter comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least;
After portable terminal receives described multimedia broadcast data, deposit the field of demultiplexing parameter and obtain the demultiplexing parameter from described electron service instruction, to described multimedia broadcast data demultiplexing, broadcast program flows according to this demultiplexing parameter.
Further, deposit the field of demultiplexing parameter in the described electron service instruction, be arranged in the business element or the service parameter element of described electron service instruction.
The present invention also provides and has realized the quick playing system of mobile TV program in a kind of portable terminal, comprises portable terminal and mobile phone TV server, it is characterized in that,
Described mobile phone TV server, be used to send the multimedia broadcast data that carries electron service instruction, wherein, comprise a field in the described electron service instruction, deposited the demultiplexing parameter in this field, described demultiplexing parameter comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least;
Described portable terminal, be used to receive described multimedia broadcast data, deposit the field of demultiplexing parameter and obtain the demultiplexing parameter from the electron service instruction that described multimedia broadcast data carries, to described multimedia broadcast data demultiplexing, broadcast program flows according to this demultiplexing parameter.
Further, deposit the field of demultiplexing parameter in the described electron service instruction, be arranged in the business element or the service parameter element of described electron service instruction.
The present invention is by being integrated into the demultiplexing parameter in the electron service instruction, propagate with electron service instruction, in electron service instruction, obtain the service identification and frequency numbering of user selected channel when portable terminal after, directly the relevant field from electron service instruction obtains corresponding demultiplexing parameter, and according to this demultiplexing parameter multimedia broadcast data is carried out demultiplexing, broadcast program stream.Because portable terminal need not searched in the control logic channel, thereby has saved the time, has realized the quick broadcast of mobile TV program.
Description of drawings
Fig. 1 is the flow chart that portable terminal of the present invention is realized an embodiment of the method that mobile TV program is play fast;
Fig. 2 is the structured flowchart that portable terminal of the present invention is realized the quick playing system of mobile TV program.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, in portable terminal, realize the method that mobile TV program is play fast, may further comprise the steps:
In this enforcement, the field that is used to deposit multiplexing parameters of appointment among the ESG, be arranged in business element (Service) burst, but the invention is not restricted to leave in business element (Service) burst, also can be placed among the service parameter element S erviceParaType, perhaps leave in other element or burst of ESG.The parameter that demultiplexing must be used is RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number, and the data type of depositing in business element is semantic as following table:
| Field | Semantic |
| The RS bit rate | Integer is used to identify the RS bit rate |
| The byte-interleaved pattern | Integer is used for the identification byte interlace mode |
| The LDPC code rate | Integer is used to identify the LDPC code rate |
| Modulation system | Integer is used to identify modulation system |
| Number of timeslots | 6 bit fields, expression multiplexed frame time slot corresponding quantity |
| Timeslot number | 6 bit fields, expression time slot sequence number, span is 0～39 |
Wherein, RS bit rate integer value corresponding code rate is:
| Value | The RS bit rate |
| 0 | (240，240) |
| 1 | (240，224) |
| 2 | (240，192) |
| 3 | (240，176) |
The interlace mode of byte-interleaved pattern integer value correspondence is:
| Value | The byte-interleaved pattern |
| 0 | Keep |
| 1 | Pattern 1 |
| 2 | Pattern 2 |
| 3 | Mode 3 |
LDPC code rate integer value corresponding codes speed is:
| Value | The LDPC code rate |
| 0 | 1/2 |
| 1 | 3/4 |
| 2 | Keep |
| 3 | Keep |
The modulation system of modulation system integer value correspondence is:
| Value | Modulation system |
| 0 | BPSK |
| 1 | QPSK |
| 2 | 16QAM |
| 3 | Keep |
Multiplexing parameters with newly-increased comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number, as the part of ESG, by the transmission means of ESG, transmits in mobile multimedia broadcast system.
Demultiplexing when step 104, terminal are obtained demodulation parameter that the user selects broadcasting channel and play from ESG information.
When the user selects to play certain channel, in the ESG information of terminal after parsing, from the field of storing corresponding demultiplexing parameter, obtain the multiplexing parameters of corresponding channel, utilize relevant parameter among the ESG to carry out the demultiplexing of program stream, realize quick broadcast program.
As a system embodiment of the present invention, as shown in Figure 2, comprise portable terminal 202 and mobile phone TV server 201, wherein,
Mobile phone TV server 201 is used to send the multimedia broadcast data that carries electron service instruction, and comprises a field in the electron service instruction that carries, and has deposited the demultiplexing parameter in this field.The demultiplexing parameter is included as RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited thereto.Being equal to that those skilled in the art are done on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (4)
1. realize the method that mobile TV program is play fast in a portable terminal, it is characterized in that, may further comprise the steps:
Mobile phone TV server sends the multimedia broadcast data that carries electron service instruction, comprise a field in the described electron service instruction, deposited the demultiplexing parameter in this field, described demultiplexing parameter comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least;
After portable terminal receives described multimedia broadcast data, deposit the field of demultiplexing parameter and obtain the demultiplexing parameter from described electron service instruction, to described multimedia broadcast data demultiplexing, broadcast program flows according to this demultiplexing parameter.
2. the method for claim 1 is characterized in that, deposits the field of demultiplexing parameter in the described electron service instruction, is arranged in the business element or the service parameter element of described electron service instruction.
3. realize the quick playing system of mobile TV program in a portable terminal, comprise portable terminal and mobile phone TV server, it is characterized in that,
Described mobile phone TV server, be used to send the multimedia broadcast data that carries electron service instruction, wherein, comprise a field in the described electron service instruction, deposited the demultiplexing parameter in this field, described demultiplexing parameter comprises RS bit rate, byte-interleaved pattern, LDPC code rate, modulation system, number of timeslots and timeslot number at least;
Described portable terminal, be used to receive described multimedia broadcast data, deposit the field of demultiplexing parameter and obtain the demultiplexing parameter from the electron service instruction that described multimedia broadcast data carries, to described multimedia broadcast data demultiplexing, broadcast program flows according to this demultiplexing parameter.
4. system as claimed in claim 3 is characterized in that, deposits the field of demultiplexing parameter in the described electron service instruction, is arranged in the business element or the service parameter element of described electron service instruction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100818861A CN101287115B (en) | 2008-05-16 | 2008-05-16 | System and method for implementing fast playing of mobile phone television program |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100818861A CN101287115B (en) | 2008-05-16 | 2008-05-16 | System and method for implementing fast playing of mobile phone television program |
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| CN101287115A CN101287115A (en) | 2008-10-15 |
| CN101287115B true CN101287115B (en) | 2011-06-22 |
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| CN2008100818861A Expired - Fee Related CN101287115B (en) | 2008-05-16 | 2008-05-16 | System and method for implementing fast playing of mobile phone television program |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527836B (en) * | 2009-04-07 | 2011-10-26 | 中兴通讯股份有限公司 | Terminal for transmitting continuous service multiplexing configuration information, and system and method thereof |
| CN101742276B (en) * | 2009-12-31 | 2013-06-12 | 中兴通讯股份有限公司 | China mobile multimedia broadcasting player and playing method |
| CN107231578A (en) * | 2017-08-04 | 2017-10-03 | 四川长虹电器股份有限公司 | The system and method that video file is quickly played |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003298542A (en) * | 2002-04-05 | 2003-10-17 | Canon Inc | Digital broadcast transmitter, digital broadcast transmission method, digital broadcast receiver, and identifier providing apparatus |
| CN101018356A (en) * | 2007-01-11 | 2007-08-15 | 中兴通讯股份有限公司 | Multiplexing transmission interface method of electronic service guide |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003298542A (en) * | 2002-04-05 | 2003-10-17 | Canon Inc | Digital broadcast transmitter, digital broadcast transmission method, digital broadcast receiver, and identifier providing apparatus |
| CN101018356A (en) * | 2007-01-11 | 2007-08-15 | 中兴通讯股份有限公司 | Multiplexing transmission interface method of electronic service guide |
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| CN101287115A (en) | 2008-10-15 |
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