KR100903594B1 - System, apparatus and method for monitoring and analyzing a digital multimedia broadcasting - Google Patents

Abstract

A system, an apparatus and a method for monitoring and analyzing a digital multimedia broadcast are provided to stream FIC(Fast Information Channel) broadcast channel information and all service data and set kinds and the number of players by analyzing the broadcast channel information. A DMB receiving device(100) receives one or more DMB signals having one or more bands. The DMB receiving device outputs FIC data included in each broadcast frequency and main service channel data. A main monitoring device(130) analyzes FIC data received from the DMB receiving device. The main monitoring device streams and reproduces services included in the main service channel data. The services correspond to a service kind and number included in a corresponding broadcast frequency. The main monitoring device performs state analysis about the services.

Description

System, apparatus and method for monitoring and analyzing a digital multimedia broadcasting}

The present invention relates to a system, apparatus, and method for monitoring and analyzing digital multimedia broadcasting. More particularly, the present invention relates to a digital multimedia broadcasting monitoring system capable of simultaneously playing / analyzing a plurality of audio, video, and data services included in a digital multimedia broadcasting. An analysis system, apparatus, and method.

Digital Multimedia Broadcasting (hereinafter referred to as 'DMB') service has been developed as a medium to replace the current fixed TV and portable radio media, and has the advantage of excellent portability and mobility. In addition, as a next-generation multimedia broadcasting providing high-quality audio and video services, various multimedia information such as high-quality music broadcasting, traffic information, news, and video services are referred to as one broadcasting frequency (commonly referred to as 'ensemble'). To compress) and send. Therefore, various multimedia contents such as video, audio and data can be provided by the terminal of the same platform.

However, in the conventional digital multimedia broadcasting technology, a receiver simply analyzes and displays broadcast information included in one channel on a screen, and a user selects and receives a desired service from among the displayed services. ) Support only receive function. Alternatively, several combinations of RF chipsets and BaseBand Chipsets were used to simultaneously support the reception of several services. In addition, it does not support various data services currently being broadcasted by broadcasting stations or only supports some data services.

In this case, an engineer who is in charge of transmitting a broadcasting station may not monitor the status of all broadcasting services included in one ensemble.

In addition, in a DMB channel decoder used for a general commercial receiver and a monitoring device used by a broadcaster, a main service channel is provided along with fast information channel (FIC) data. Channel; hereafter referred to as 'MSC') Only the service that you want to play can be extracted from the data, so only one service could be played and monitored.

Accordingly, in order to monitor a plurality of services, a plurality of wireless tuners (RF Tuner (Mixer & OSC)) and a plurality of DMB channel decoders may be implemented to receive a plurality of services. On the other hand, if the system is implemented in this way, in order to receive overseas DAB broadcasts, there are problems in that about 20 radio tuners (RF tuners) and DMB channel decoders must be embedded in the system.

As described above, in the prior art, the RF signal must be distributed to about 10 to 20 signals, so that the attenuation of the distributed signal is significantly lower than the power level, which is actually input. If a circuit is used, spurious may occur. Therefore, there is a problem in that the actual incoming signal level cannot be accurately measured and expressed when measuring the RF level.

 In addition, a selection operation for reproducing a desired service from each of the DMB channel decoders is required, so that a user may have to execute 10 to 20 service reproduction commands.

In addition, multiple radio tuners (RF Tuners) and DMB Channel Decoders can be used to increase the system size, consume a lot of power, and cause problems with broadcast transmission equipment when certain tuners and decoders operate abnormally. There is a problem that the user cannot easily diagnose the failure because it is difficult to determine whether it is a problem, the receiver / monitoring equipment itself.

The present invention has been made to solve the problems described above, and after streaming the FIC broadcast channel information and the entire service data, by setting and receiving the type and number of players through the analysis of the broadcast channel information, within the DMB broadcast An object of the present invention is to provide a digital multimedia broadcasting monitoring and analysis system, apparatus and method capable of simultaneously playing / analyzing all audio, video and data services included therein.

A digital multimedia broadcasting monitoring and analysis system, which is one of the present invention for achieving the above object, receives one or more digital multimedia broadcasting signals having one or more bands, and includes high-speed information channel data and a main service channel included in each broadcasting frequency. A DMB receiving device for outputting data; And analyzing the fast information channel data received from the DMB receiving apparatus and streaming and playing a plurality of services corresponding to the type and number of services included in the corresponding broadcast frequency and included in the main service channel data, respectively. And a main monitoring device for performing a state analysis on the plurality of services and outputting them for monitoring.

In addition, in the digital multimedia broadcasting monitoring and analysis system according to an aspect of the present invention, the DMB receiving apparatus includes: an RF receiving unit for receiving a DMB signal in a radio frequency band and converting it into an intermediate frequency; And a channel decoder for converting the intermediate frequency signal received from the RF receiver into analog / digital conversion and converting the high speed information channel data and the main service channel data into RDI format data among digital information included in the frequency signal. The DMB receiving apparatus selects a frequency that a user wants to receive according to a control command of the main monitoring apparatus, and the main monitoring apparatus receives the RDI format data to parse RDI format data to parse the fast information channel data. And extracting main service channel data and analyzing the fast information channel data.

In addition, in the digital multimedia broadcasting monitoring and analysis system according to another aspect, the main monitoring apparatus analyzes the high-speed information channel data received from the DMB receiving apparatus to determine the number of audio, video and data services included in the ensemble. An FIC analysis unit which checks and delivers information on a broadcast service including number information for each service type to a main control unit; An MSC decoder which analyzes main service channel data received from the DMB receiving apparatus and separates and outputs data of original audio, video and data services included in an ensemble; Receives information on a broadcast service from the FIC analyzer, delivers information about the type and number of decoders required for simultaneous reproduction of each service data, and integrates and reproduces each broadcast service output from the MSC decoder. A main control unit controlling the analysis unit to be simultaneously played / analyzed; And an integrated playback / analyzer for simultaneously playing each broadcast service and performing a state analysis on the broadcast service based on the type and number information of the required decoder received from the main controller.
In addition, in one aspect, the main control unit generates IP / port information for streaming the respective services so as to normally receive the respective services in the integrated playback / analyzer, and transmits the generated IP / port information to the integrated playback / analyzer. The integrated playback / analyzer includes decoders for decoding respective broadcast services for reproduction of the respective broadcast services output from the MSC decoder, and opens the decoder based on the type and number information of the received decoder. Based on the received IP / port information, the corresponding IP / port is opened to play each broadcast service simultaneously, and the service analysis is performed under the control of the main controller to output.
In addition, in one aspect, the main monitoring apparatus converts the high speed information channel data and the main service channel data into RDI format data in the DMB receiving apparatus to receive RDI format data transmitted through an optical interface, and receives the received data. An SPDIF encoder for encoding the RDI format data into SPDIF format data; An SPDIF decoder which receives the SPDIF signal from the SPDIF encoder and decodes the SPDIF signal to restore original RDI format data; And an RDI parser which parses RDI format data received from the SPDIF decoder, extracts original fast information channel data and main service channel data, and transfers the extracted data to the FIC analyzer and the MSC decoder. Characterized in that further comprises.

Digital multimedia broadcasting monitoring apparatus of the present invention for achieving the above object, RF receiving unit for receiving a DMB signal of the radio frequency band and converting it into an intermediate frequency; A channel decoder for converting the intermediate frequency signal received from the RF receiver into analog / digital conversion and converting the high speed information channel data and the main service channel data into RDI format data among digital information included in the frequency signal; An FIC analyzer which analyzes the fast information channel data parsed from the RDI format data, checks the number of audio, video and data services included in the ensemble, and delivers information on a broadcast service including the number information for each service type to the main control unit; An MSC decoder which analyzes primary service channel data parsed from the RDI format data and separates and outputs data of original audio, video and data services included in an ensemble; Receives information on a broadcast service from the FIC analyzer, delivers information about the type and number of decoders required for simultaneous reproduction of each service data, and integrates and reproduces each broadcast service output from the MSC decoder. A main control unit controlling the analysis unit to be simultaneously played / analyzed; And an integrated reproduction / analyzing unit for simultaneously reproducing each broadcast service based on the type and number information of the decoders received from the main controller and performing a state analysis on the broadcast service to output the monitoring. It is made to include.
In addition, in one aspect, the main control unit generates IP / port information for streaming the respective services so that the integrated reproduction / analysis unit can normally receive the respective services, and transmits the generated IP / port information to the integrated reproduction / analysis unit, and The integrated playback / analyzer includes decoders for decoding respective broadcast services for reproduction of the respective broadcast services output from the MSC decoder, and opens the decoder based on the type and number information of the received decoder. Based on the received IP / port information, the corresponding IP / port is opened to simultaneously play each broadcast service, and the service analysis is performed under the control of the main controller to output.

In another aspect, the broadcast monitoring apparatus includes: an SPDIF encoder for receiving RDI format data from the channel decoder through an optical interface and encoding the received RDI format data into data in an SPDIF format; An SPDIF decoder which receives the SPDIF signal from the SPDIF encoder and decodes the SPDIF signal to restore original RDI format data; And an RDI parser which parses RDI format data received from the SPDIF decoder, extracts original fast information channel data and main service channel data, and transfers the extracted data to the FIC analyzer and the MSC decoder. It characterized in that it further comprises.
In addition, in another aspect, the broadcast monitoring device further comprises a GPS receiver for providing the main control unit with position information and speed information of the vehicle equipped with the broadcast monitoring device via a GPS signal receiving means; According to the position information and the speed information provided by the GPS receiver, the integrated reproduction / analyzer measures the mobile reception performance by analyzing the broadcast service state.

Digital multimedia broadcasting monitoring and analysis method of the present invention for achieving the above object comprises the steps of: (a) receiving the digital multimedia broadcasting radio signal; (b) demodulating the received radio signal to extract fast information channel data and main service channel data; (c) analyzing the fast information channel data to identify the type and number of services included in the ensemble, setting the type and number of decoders required for simultaneous reproduction of each service, and transmitting IP / port for reproducing each service; Determining; And (d) analyzing the main service channel data to separate data of the original audio, video, and data services included in the ensemble, to open a decoder based on the set type and number information of the decoder, and to determine the determined transport IP. And / or opening the port to simultaneously play each broadcast service and perform a state analysis on the broadcast service to output the monitoring to be performed.
According to one aspect, the step (b) may include converting the fast information channel data and the main service channel data into RDI format data and transmitting the converted RDI format data through an optical interface; And dividing the transmitted RDI format data into the high speed information channel data and the main service channel data, and outputting the separated data to be analyzed in steps (c) and (d). It is done.
In addition, according to another aspect, the step (d) is provided with the position information and the speed information of the mobile means equipped with the digital multimedia broadcasting monitoring apparatus through the GPS signal receiving means and the position information through the analysis of the broadcast service status And measurement of movement reception performance according to speed information.

Therefore, the present invention can easily and effectively monitor the status of the transmission of all the services that are broadcasting in the broadcaster that broadcasts easily, the receiver development company developing the receiver while watching all the service information received at the same time, The effect is that the receiver can compare and analyze the information it receives.

In addition, the present invention is capable of simultaneously playing all services regardless of the number of broadcast services of the digital multimedia broadcaster, and at the same time, it is possible to automatically play / analyze all services included in the broadcast without a separate selection.

In addition, the present invention has the advantage that the system configuration is simple and stable, low power consumption, small volume can be configured as a small product, reliable wireless level measurement and error measurement.

Finally, there is an advantage in that it can be confirmed by matching the radio level value on the moving path with a map through linkage with the GPS.

According to the present invention, all of a plurality of audio, video and data services included in a digital multimedia broadcasting (hereinafter, referred to as 'DMB') frequency (ie, an ensemble) in one equipment are simultaneously selected by frequency selection and playback commands. We propose a system, apparatus and method for monitoring and analysis.

To this end, fast information channel (FIC) data and main service channel (hereinafter, referred to as 'MSC') data from the DMB data demodulated by the DMB receiving apparatus. Extracts and analyzes the type and number of services included in the ensemble through the FIC data, and reproduces and reproduces each service included in the MSC data corresponding to the analyzed type and number of services. It can monitor and perform status analysis on broadcasting services. Also, in the present invention, the demodulated DMB data is transferred to a main monitoring device through a receiver data interface (RDI) interface.

On the other hand, it is apparent that the DMB service to which the present invention is applied can be equally applied to any other DMB broadcasting service which will be serviced in the future, as well as T-DMB, DAB and DAB + services currently being serviced.

Hereinafter, a digital multimedia broadcasting monitoring and analyzing system, apparatus, and method for simultaneously playing / analyzing all audio, video, and data services included in a DMB broadcast according to the present invention will be described in more detail with reference to the accompanying drawings. I will explain.

1 is a diagram illustrating a digital multimedia broadcasting monitoring and analysis system according to the present invention. Referring to FIG. 1, the DMB monitoring system according to the present invention may include a DMB receiving apparatus 100, one or more DMB transmitting apparatuses 110 and 120, a main monitoring apparatus 130, and the like. The DMB transmitters 110 and 120 transmit DMB signals of various frequency bands, such as the band III (167-240Mhz) band DMB transmitter 110 and the L-Band (1,452-1492MHz) band DMB transmitter 120. The DMB receiving apparatus 100 may receive DMB service data from the plurality of DMB receiving apparatuses 110 and 120.

The DMB receiving apparatus 100 selects a frequency that a user wants to receive according to a control command of the main monitoring apparatus 130. At this time, the DMB receiving apparatus 100 receives the band III (167 ~ 240Mhz) band signal and the DMB signal in the L-Band (1,452 ~ 1492MHz) band as described above from each of the DMB transmitting apparatus (110, 120) After encoding, the FIC data and the MSC data included in the ensemble are converted to RDI format data, and then output to the main monitoring device 130.

The main monitoring device 130 receives the data converted into the RDI format from the DMB receiving device 100 to analyze the FIC data, and according to the analysis result according to the type and number of services included in the ensemble. A plurality of playback / analysis units (Player & Monitor) are driven to stream and play the respective services included in the MSC data to the respective playback / analysis units (Player & Monitor).

In this case, as a method for connecting the main monitoring device 130 and the DMB receiving device 100, the RDI format data is re-encoded in a digital optical sound terminal (Sony / Philips Digital Interface; hereinafter, 'SPDIF') format. It is possible to connect to the main monitoring device 130 by using an interface capable of encoding and receiving the SPDIF data.

On the other hand, in the embodiment according to the present invention, the main monitoring device 130 is shown as a portable (Portable Type) industrial PC, but the present invention is not limited thereto, such as a rack type PC or a desktop PC and laptops It may be implemented as.

In addition, although FIG. 1 illustrates that the DMB receiving device 100 and the main monitoring device 130 are configured as separate devices and connected to a predetermined interface (for example, an optical port RDI interface), the DMB receiving device 100 ) May be installed in the main monitoring device 130 (eg, a PC) to constitute a single device.

2 is a block diagram illustrating a detailed structure of the DMB receiving apparatus of FIG. 1 according to an embodiment of the present invention. Referring to FIG. 2, the DMB receiving apparatus 100 of FIG. 1 includes an RF receiver 210 and a channel decoder 220, and preferably includes a USB controller 230. It may be configured to include more.

The RF receiver 210 receives a DMB signal such as T-DMB / DAB / DAB +. At this time, the frequency bands that can be received are, for example, the Band III (167-240 MHz) band and the L-Band (1,452-1,492 MHz) band, and the T-DMB / DAB having a bandwidth of 1.536 MHz in the band. Can receive the / DAB + signal.

The RF receiver 210 receives an RF signal of an upper high frequency band, converts the RF signal into an intermediate frequency (hereinafter, referred to as IF) of a lower frequency, and transmits the RF signal to the channel decoder 220. .

Also preferably. The RF receiver 210 may receive a control signal from the main monitoring device 130 of FIG. 1 through the USB controller 230 and tune to a desired frequency.

The channel decoder 220 receives an IF signal from the RF receiver 210 to perform an analog-to-digital (A / D) conversion operation, and then uses an FIC among digital information included in an ensemble. Only data and MSC data are encoded into RDI format data and transmitted to the main monitoring apparatus 130 of FIG. 1 through the RDI interface.

In this case, the channel decoder 220 may receive a control command for selecting a frequency from the main monitoring device 130 through the USB controller 230 and transmit the RF receiving unit 210.

3 is a block diagram illustrating a detailed structure of the main monitoring apparatus of FIG. 1 according to an exemplary embodiment of the present invention. Referring to FIG. 3, the main monitoring device 130 of FIG. 1 includes an SPDIF encoder 310, an SPDIF decoder 320, a GPS receiver 330, and an RDI parser. 340, an FIC analyzer 350, a main controller 360, an MSC decoder 370, an integrated playback / analyzer 380, and the like. The integrated playback / analyzer 380 may be configured in detail with at least one video playback / analyzer 381, an audio playback / analyzer 382, and a data playback / analyzer 383. In addition, the video or audio data output from the integrated playback / analysis unit 380 may be output through the speaker 390 or the display device 391.

Hereinafter, detailed functions of the components will be described.

The SPDIF encoder 310 is connected to the DMB receiving apparatus 100 of FIG. 2 and receives RDI format data using an optical interface. Thereafter, the received RDI format data is encoded in the SPDIF format, and the signal is transmitted to the SPDIF decoder 320 through an interface means capable of receiving the SPDIF.

The SPDIF decoder 320 receives the SPDIF signal, decodes it, and restores the original RDI format data.

The GPS receiver 330 is an additional function for measuring a mobile reception performance. The GPS receiver 330 is a mobile device equipped with a DMB broadcast monitoring device for supporting a function of combining RF signal reception state information with location information to determine the mobile reception performance. The location information and the speed information are transmitted to the main controller 360. In accordance with the location information and the speed information provided by the GPS receiver 330, the integrated playback / analysis unit 380 performs a mobile reception performance measurement through a broadcast service state analysis.

The RDI parser 340 parses the RDI format data received from the SPDIF decoder 320 to extract original FIC data and MSC data, and extracts the extracted data from the FIC analyzer 350. The data is transmitted to the MSC decoder 370.

The FIC analysis unit 350 analyzes the FIC data and checks the number of bit, bitrate, and presence of additional data services included in the ensemble, and the corresponding information in the main control unit 360. To pass.

The MSC decoder 370 receives the MSC data from the RDI parser 340, parses it, and separates data of the original audio, video, and data services included in the ensemble, and delivers the data to the main controller 360. .

The main control unit 360 transmits the information on the type and number of decoders necessary for the reproduction to the integrated reproduction / analysis unit 380 by using the information on the broadcast service received from the FIC analysis unit 350, and the integrated reproduction / The analyzer 380 controls the broadcast services output from the MSC decoder 370 to be integrated and reproduced / analyzed.
In addition, the main control unit 360 delivers IP / Port information for streaming the respective services in order for the integrated playback / analysis unit 380 to normally receive the respective services.

The integrated reproduction / analysis unit 380 simultaneously reproduces each broadcast service based on the type information and the number information of the decoder received from the main controller 360 and performs a state analysis on the broadcast service. Furthermore, the integrated playback / analyzer 380 opens the playback means for decoding the respective services, that is, the decoder, and then opens the corresponding IP / port based on the streamed IP / port information of the respective services. Receive and play back each broadcast service. In addition, the integrated playback / analysis unit 380 may display an ensemble status diagnosis, RF logging / reporting, and graphic signal level status under the control of the main controller 360 according to a user's control signal input. FIC and subchannel real-time recording for off-line applications, FIC, MPEG2-TS / MPEG4 real-time and offline in-depth analysis, and RF sensitivity monitoring can be performed.

Finally, each broadcast service is delivered to the user through the monitor 391 and the speaker 390 attached to the main monitoring device 130.

4 is a flowchart illustrating a digital multimedia broadcasting monitoring procedure according to an embodiment of the present invention. Referring to FIG. 4, the main monitoring apparatus 130 described above performs the following procedure as a method for simultaneously monitoring all audio, video and data services included in a DMB broadcast signal according to the present invention.

First, the DMB receiving apparatus 100 receives a DMB broadcast radio signal (S401), demodulates the received radio signal to extract broadcast channel information (ie, FIC information) and broadcast service information (ie, MSC information). In operation S402, the two signals are converted into data in an RDI format and transmitted to the main monitoring device 130.

Thereafter, the main monitoring device 130 decodes the received RDI format data again and divides the received RDI format data into broadcast channel information and broadcast service information, that is, high-speed information channel data and main service channel data (S403).

At this time, by analyzing the broadcast channel information, that is, high-speed information channel data to determine the type and number of services included in the ensemble, and the type and number of decoding modules (ie, the playback / analysis unit) required for simultaneous playback of each service In step S404, a transmission IP / port for reproducing respective services is determined in step S405.

Finally, the broadcast service information, that is, main service channel data is analyzed to separate data of the original audio, video, and data services included in the ensemble, and the decoder is opened based on the set type and number information of the decoder. The determined transmission IP / port is opened to simultaneously play each broadcast service and output a state analysis for the broadcast service to monitor and analyze (S406).

5 is a block diagram illustrating a detailed implementation of a digital multimedia broadcasting monitoring apparatus according to an embodiment of the present invention. Referring to FIG. 5, the DMB receiving apparatus 100 and the main monitoring apparatus 130 described with reference to FIGS. 2 and 3 may be implemented as one device.

First, in order to select a frequency to be reproduced through the DMB monitoring apparatus 500 according to the present invention, a mixer and an oscillator (Mixer & OSC (Oscillator)) 505 are controlled to demodulate a received signal. At this time, the band III (167 ~ 240MHz) band signal through the band III low noise amplifier 501 and the filter unit 503 according to each received DMB frequency band, L-Band (1,452 ~ 1,492MHz) band signal is L- The signal received through the band low noise amplifier 502 and the filter unit 504 is input to the mixer and the oscillator 505.

As such, when the antenna receives each of the DMB signals transmitted from the broadcasting station, the mixer and oscillator 505 converts the received RF signal into an IF signal and transmits the received RF signal to the channel decoder 506.

The channel decoder 506 decodes the received DMB signal to display FIC data, RF signal levels, signal noise ratio (SNR), and transmitter identification information (TII) information through the USB controller 507. To pass. In this case, the main controller 512 may display the received information on a monitor and select a channel band to be received.

Meanwhile, the FIC data and the MSC data of the signals decoded by the channel decoder 506 are extracted and encoded into data of a receiver data interface (RDI) format. In this case, the SPDIF is used to effectively transmit the encoded RDI format data. The encoder 510 re-encodes the data in the SPDIF format.

The SPDIF decoding and RDI parser unit 509 receives the SPDIF data from the SPDIF encoder 510 and decodes the RDI format data. Then, the extracted RDI format data is parsed to separate FIC data and MSC data.

Among the separated data, the FIC data is transmitted to the FIC analyzer 508, and the MSC data is transmitted to the MSC decoder 511.

The FIC analyzer 508 analyzes the total number of services, the number of audio services, the number of video services, and the number of data services included in the broadcast by using the received FIC data, and converts the result of the FIC analysis into the main controller 512. By transmitting, the playback software (S / W) is driven by the integrated playback / analysis unit 520 for each service type included in the broadcast.

On the other hand, the MSC data transmitted to the MSC decoder 511 is decoded for each audio, video, data service and each service playback / analysis unit (ie, video service playback / analysis unit of the integrated playback / analysis unit 520) 521, audio service playback / analyzer 522, and data service playback / analyzer 523, respectively.

Finally, the integrated playback / analyzer 520 outputs all the services included in each of the received DMB broadcasts to the display device, thereby simultaneously splitting them into a plurality of playback / analyzing units through a single screen and simultaneously outputting them. . In addition, the integrated reproducing / analyzing unit 520 diagnoses an ensemble status, RF logging / reporting, graphic signal level status display, and offline (off-line) under the control of the main controller 512. Application FIC and subchannel real-time recording, FIC, MPEG2-TS / MPEG4 real-time and offline in-depth analysis, RF sensitivity monitoring, and the like can be performed.

Although not shown, the monitor can simultaneously play all or part of a service for a plurality of channels included in the DMB ensemble, and as a result, the plurality of video, audio, and data included in the DMB ensemble as described above in the integrated playback / analyzer. The service can be split into one screen at the same time and played / analyzed. Although not shown, for example, an analysis execution button or icon may be generated at the bottom left of the monitor to execute the detailed analysis of the desired service. Detailed service analysis includes, for example, ensemble status diagnostics, RF logging / reporting, graphical signal level status indication, FIC and subchannel real-time recording for off-line applications, FIC, MPEG2- TS / MPEG4 real-time and offline deep analysis and RF sensitivity monitoring.

The best embodiments have been disclosed in the drawings and specification above. The specific terminology used herein is for the purpose of describing the present invention only and is not intended to be limiting of meaning or the scope of the invention as set forth in the claims.

Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is a diagram illustrating a digital multimedia broadcasting monitoring and analysis system according to the present invention.

2 is a block diagram illustrating a detailed structure of the DMB receiving apparatus of FIG. 1 according to an embodiment of the present invention.

3 is a block diagram illustrating a detailed structure of the main monitoring apparatus of FIG. 1 according to an exemplary embodiment of the present invention.

4 is a flowchart illustrating a digital multimedia broadcasting monitoring procedure according to an embodiment of the present invention.

5 is a block diagram illustrating a detailed implementation of a digital multimedia broadcasting monitoring apparatus according to an embodiment of the present invention.

*** Explanation of symbols for the main parts of the drawing ***

100: DMB receiver 110, 120: DMB transmitter

130: main monitoring device 210: RF receiver

220: channel decoder 230: USB controller

310: SPDIF encoder 320: SPDIF decoder

330: GPS receiver 340: RDI parser

350: FIC analysis unit 360: main control unit

370: MSC decoder 380: integrated playback / analysis unit

381: video playback / analysis unit 382: audio playback / analysis unit

383: data playback / analysis section 390: speaker

391: display device 500: DMB monitoring device

501, 502: low noise amplifier 503, 504: filter unit

505 mixer and oscillator 506 channel decoder

507: USB control unit 508: FIC analysis unit

509: SPDIF decoding and RDI parser unit 510: SPDIF encoder

511: MSC decoding unit 512: main control unit

513: GPS receiver 520: integrated playback / analysis unit

Claims (12)

In the digital multimedia broadcasting monitoring and analysis system, A DMB receiving apparatus for receiving one or more digital multimedia broadcasting signals having at least one band and outputting high-speed information channel data and main service channel data included in each broadcasting frequency; And Analyzing the fast information channel data received from the DMB receiving apparatus, streaming and playing a plurality of services corresponding to the type and number of services included in the corresponding broadcast frequency and included in the main service channel data, respectively; And a main monitoring device for performing a state analysis on a plurality of services and outputting them for monitoring. The method of claim 1, wherein the DMB receiving apparatus, An RF receiver for receiving a DMB signal in a radio frequency band and converting the signal into an intermediate frequency; And And a channel decoder for converting the intermediate frequency signal received from the RF receiver into analog / digital conversion and converting the high speed information channel data and the main service channel data into RDI format data among digital information included in the frequency signal. , The DMB receiving apparatus selects a frequency that the user wants to receive according to the control command of the main monitoring apparatus, The main monitoring apparatus receives the RDI format data, parses the RDI format data, extracts the high speed information channel data and the main service channel data, and analyzes the high speed information channel data. . The method according to claim 1 or 2, wherein the main monitoring device, An FIC analyzer which analyzes the fast information channel data received from the DMB receiving apparatus, checks the number of audio, video, and data services included in the ensemble, and delivers information on the broadcast service including the number information for each service type to the main controller; An MSC decoder which analyzes main service channel data received from the DMB receiving apparatus and separates and outputs data of original audio, video and data services included in an ensemble; Receives information on a broadcast service from the FIC analyzer, delivers information about the type and number of decoders required for simultaneous reproduction of each service data, and integrates and reproduces each broadcast service output from the MSC decoder. A main control unit controlling the analysis unit to be simultaneously played / analyzed; And And an integrated playback / analyzer configured to simultaneously play each broadcast service based on the type and number information of the decoders received from the main controller and perform a state analysis on the broadcast service. Broadcast monitoring and analysis system. The method of claim 3, The main control unit generates and transmits IP / port information for streaming the respective services to the integrated playback / analyzer so that the integrated playback / analyzer receives the respective services normally. The integrated playback / analyzer includes decoders for decoding respective broadcast services for playback of the respective broadcast services output from the MSC decoder, and opens the decoder based on the type and number information of the received decoder. Digital multimedia broadcasting monitoring and analysis system, characterized in that by opening the corresponding IP / port on the basis of the received IP / port information to play each broadcast service at the same time, and executing the service analysis under the control of the main control unit . The method of claim 3, wherein the main monitoring device, An SPDIF for converting the fast information channel data and the main service channel data into RDI format data to receive RDI format data transmitted through an optical interface, and encoding the received RDI format data into data in an SPDIF format in the DMB receiving apparatus; An encoder; An SPDIF decoder which receives the SPDIF signal from the SPDIF encoder and decodes the SPDIF signal to restore original RDI format data; And An RDI parser which parses RDI format data received from the SPDIF decoder, extracts original fast information channel data and main service channel data, and transfers each extracted data to the FIC analyzer and the MSC decoder; Digital multimedia broadcasting monitoring and analysis system further comprises. In the digital multimedia broadcasting monitoring device, An RF receiver for receiving a DMB signal in a radio frequency band and converting the signal into an intermediate frequency; A channel decoder for converting the intermediate frequency signal received from the RF receiver into analog / digital conversion and converting the high speed information channel data and the main service channel data into RDI format data among digital information included in the frequency signal; An FIC analyzer which analyzes the fast information channel data parsed from the RDI format data, checks the number of audio, video and data services included in the ensemble, and delivers information on a broadcast service including the number information for each service type to the main control unit; An MSC decoder which analyzes primary service channel data parsed from the RDI format data and separates and outputs data of original audio, video and data services included in an ensemble; Receives information on a broadcast service from the FIC analyzer, delivers information about the type and number of decoders required for simultaneous reproduction of each service data, and integrates and reproduces each broadcast service output from the MSC decoder. A main control unit controlling the analysis unit to be simultaneously played / analyzed; And An integrated reproducing / analyzing unit for simultaneously reproducing each broadcast service based on the type and number information of the decoders received from the main controller and performing a state analysis on the broadcast service to output the monitoring; Digital multimedia broadcasting monitoring device made by. The method of claim 6, The main control unit generates and transmits IP / port information for streaming the respective services to the integrated playback / analyzer so that the integrated playback / analyzer receives the respective services normally. The integrated playback / analyzer includes decoders for decoding respective broadcast services for playback of the respective broadcast services output from the MSC decoder, and opens the decoder based on the type and number information of the received decoder. And opening the corresponding IP / port based on the received IP / port information, simultaneously playing back each broadcast service, and performing service analysis under the control of the main controller to output the same. The apparatus of claim 6, wherein the broadcast monitoring device is An SPDIF encoder for receiving RDI format data from the channel decoder through an optical interface and encoding the received RDI format data into data in an SPDIF format; An SPDIF decoder which receives the SPDIF signal from the SPDIF encoder and decodes the SPDIF signal to restore original RDI format data; And An RDI parser which parses RDI format data received from the SPDIF decoder, extracts original fast information channel data and main service channel data, and transfers each extracted data to the FIC analyzer and the MSC decoder; Digital multimedia broadcast monitoring device further comprising. The apparatus of claim 6, wherein the broadcast monitoring device is And a GPS receiver for providing location information and speed information of a mobile unit equipped with the broadcast monitoring apparatus through a GPS signal receiving unit to the main control unit. The digital multimedia broadcasting monitoring apparatus, characterized in that the mobile reception performance measurement through the broadcast service state analysis in the integrated playback / analysis unit in accordance with the location information and the speed information provided by the GPS receiver. In the digital multimedia broadcasting monitoring and analysis method, (a) receiving the digital multimedia broadcasting radio signal; (b) demodulating the received radio signal to extract fast information channel data and main service channel data; (c) analyzing the fast information channel data to identify the type and number of services included in the ensemble, setting the type and number of decoders required for simultaneous reproduction of each service, and transmitting IP / port for reproducing each service; Determining; And (d) analyzing the main service channel data to separate data of the original audio, video and data services included in the ensemble, and opening the decoder based on the set type and number information of the decoder and transmitting the determined transmission IP / And opening ports to simultaneously play each broadcast service and performing a state analysis on the broadcast service to output the monitoring service. The method of claim 10, wherein step (b) comprises: Converting the fast information channel data and the main service channel data into RDI format data and transmitting the converted RDI format data through an optical interface; And And decoding the transmitted RDI format data into the high speed information channel data and the main service channel data, and outputting each of the divided data to be analyzed in steps (c) and (d). Digital multimedia broadcasting monitoring and analysis method. The method of claim 10, wherein step (d) A digital multimedia broadcasting monitoring device receives the position information and the speed information of the mobile device equipped with the GPS signal receiving means, and the mobile reception performance measurement according to the position information and the speed information is measured through the analysis of the broadcast service status. Multimedia broadcast monitoring and analysis method.

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