KR100192230B1 - Digital broadcasting receiver and interface of digital recording medium - Google Patents

Abstract

In order to solve the problem that the digital storage medium is incompatible with each broadcasting station so that the versatility is degraded and the different interface devices are configured for each broadcasting station, Receiver can be connected to all kinds of digital broadcasting receivers in an environment having respective interface specifications, firstly, it is possible to connect to all kinds of digital broadcasting receivers as the same storage medium, so as to have general versatility, secondly, The interface standard between the media is composed of a part (control command syntax) different from a common part (physical standard) of each broadcasting station. The interlace apparatus of the present invention can efficiently implement by sharing common parts with different parts for each broadcasting station. It is possible to do.

Description

Interface device between digital broadcasting receiver and digital storage medium

FIG. 1 is a block diagram showing an interface device of a digital broadcast receiver and a digital storage medium according to a related art.

FIG. 2 is a block diagram showing an interface device of a digital broadcast receiver and a multi-recording medium according to a first embodiment of the present invention; FIG.

FIG. 3 is a detailed block diagram of a broadcasting station type determination unit of FIG. 2;

4 shows a detailed block diagram of the broadcasting station type discrimination unit of FIG. 2 according to a second embodiment of the present invention.

FIG. 5 shows a detailed block diagram of the broadcasting station type discrimination unit of FIG. 2 according to a third embodiment.

FIG. 6 is a block diagram showing an interface device of a digital broadcast receiver and a digital storage medium according to a second embodiment of the present invention; FIG.

DESCRIPTION OF THE REFERENCE NUMERALS

11: interface unit 12: data recording / reproducing unit

13, 18: control unit 14, 14n: control command processing unit

15: control operation section 16: broadcasting station type discrimination section

17:

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcasting receiver and a digital storage medium interfacing device, and more particularly, to a digital broadcasting receiver and a digital storage medium interfacing device capable of connecting between a digital broadcasting receiver and a digital storage medium having different interface standards.

Generally, digital broadcasting has its own broadcasting standard for each broadcasting station.

Accordingly, the digital broadcasting receiver is designed to receive only a specific broadcasting station.

In addition, interface standards for connection with other digital hardware use different standards for different digital broadcast receivers.

Here, an example of a digital storage medium is an apparatus such as a DVCR (Digital VCR).

Information transmitted and received between a digital broadcast receiver and a digital storage medium is composed of two parts, data and control commands.

Data refers to information to be actually stored on a tape by using a digital storage medium. Control commands are commands for exchanging between a control unit of a digital broadcast receiver and a control unit of a digital storage medium, and control operations of a digital broadcast receiver and a digital storage medium Information.

As an example of the operation of the digital broadcast receiver and the digital storage medium according to the control command, the digital broadcast receiver performs a data transmission operation, while the digital storage medium performs a mode for receiving and recording data, It works.

At the same time, the digital broadcasting receiver performs a mode for performing data reception, decoding and display output operations, and a digital storage medium for variable speed reproduction and variable transmission data transmission.

In addition, the digital broadcasting receiver may be a mode for performing transmission data reception, variable data processing, and decoding picture output operation.

However, the physical standards for transmitting data and control commands are the same for each broadcasting station, but the syntax standard for the control command differs for each broadcasting station (per digital receiver).

Accordingly, the digital storage medium is configured in a form having control command processing software for a specific broadcasting station so that a specific digital storage medium exists for each broadcasting station (for each digital receiver).

Hereinafter, an interface device for a digital broadcast receiver and a digital storage medium according to the related art will be described with reference to the accompanying drawings.

FIG. 1 is a diagram illustrating a connection method between a digital broadcast receiver and a digital storage medium according to a related art.

Referring to FIG. 1, the data recording / reproducing processing unit 12, the control unit 13, the first storage unit 14, and the second storage unit 15 are configured by an interface unit 11, a data recording /

The interface unit 11 transmits and receives digital data and control command signals to digital hardware such as a digital broadcast receiver and applies digital data to the recording / playback processor 12 and a control command signal to the controller 13 .

The digital data is recorded / reproduced by the recording / reproducing processor 12 by performing error correction code (ECC) addition, modulation and signal amplification to the applied digital data, that is, video / audio data, , Demodulation, data restoration, error correction, and the like.

The control unit 13 receives a control command signal from the interface unit 11 and transmits the control command signal to the second storage unit 15 according to the analyzed contents using the control command software of the specific broadcasting station stored in the first storage unit 14 The control unit operation software stored in the control unit operating the digital storage medium.

That is, the digital storage medium is switched to a recording mode, a playback mode, a shift mode, or the like.

Here, since the physical standards for transmitting data and control commands of the interface device according to the related art are the same for each broadcasting station but the syntax standard for the control command differs for each broadcasting station (per digital broadcasting receiver), the digital storage medium is controlled for a specific broadcasting station And a specific digital storage medium is provided for each broadcasting station.

Therefore, there is a problem that the versatility is degraded because the digital storage medium does not have compatibility with the broadcasting station.

In addition, there is another problem that different interface devices must be configured for each broadcasting station.

Accordingly, it is an object of the present invention to provide an interface device having general versatility that can be connected to the same digital storage medium regardless of broadcasting stations.

According to an aspect of the present invention, there is provided an interface device for interfacing a digital broadcasting signal transmitted from at least two broadcasting stations to a digital storage medium, the interfacing device comprising: Broadcasting station discrimination means; Storing means for storing an interfacing path corresponding to the number of the broadcasting stations; And switching means for selecting a corresponding path from among the interfacing paths according to the discrimination signal and outputting the selected path to a digital recording medium.

Hereinafter, an interface device of a digital storage medium according to the present invention will be described with reference to the accompanying drawings.

[First Embodiment]

FIG. 2 is a block diagram of a digital broadcasting receiver and a digital storage medium interfacing device according to the present invention, FIG. 3 is a second embodiment showing a detailed block diagram of a broadcasting station type discrimination unit of FIG. 2, Fig. 5 is a diagram showing a third embodiment showing a detailed block diagram of the broadcasting station type discrimination unit in Fig. 2; Fig.

Referring to FIG. 2, an interface 11 for interfacing and outputting digital data and a control command signal to be transmitted to a digital broadcasting receiver; A broadcast station type discrimination unit 16 for discriminating a type of a broadcast station by analyzing digital data and a control command signal outputted through the interface unit 11; A data recording / reproducing processor (12) for recording the applied digital data (audio and video data) on a tape according to a control signal and reproducing the recorded data; A storage unit 14 for storing control command processing software corresponding to each broadcasting station, respectively; A storage unit 14 for storing operation software for controlling the entire system; A switching unit 17 for switching and selecting the corresponding broadcasting station control command software according to the broadcasting station discrimination signal discriminated by the broadcasting station type discriminating unit 16; And a control unit 13 for processing the control signal by using the control command processing software of the corresponding broadcasting station selected and outputted by the above-described shaking part 17 and providing the one control signal.

Here, the storage unit 14 includes a plurality of storage units 14l-14n for storing control command processing software corresponding to each broadcasting station.

As shown in FIG. 3, the broadcasting station type discrimination unit 16 includes a broadcasting station ID detecting unit 16a for detecting an ID corresponding to a broadcast station name transmitted from each broadcasting station; And a broadcasting station discrimination unit 16b for discriminating a broadcasting station according to the detected ID.

As shown in FIG. 4, the broadcasting station type determination unit 16 includes a control command analysis unit 16c for analyzing the syntax of a signal transmitted from each broadcasting station; And a broadcasting station discrimination unit 16b for discriminating broadcasting stations according to the analyzed syntax.

As shown in FIG. 5, a packet length discrimination unit 16d for discriminating the length of a transmission packet of a signal transmitted from each broadcasting station; And a broadcast station discriminating section 16b for discriminating a broadcast station based on the determined packet length.

The operation of the apparatus according to the first embodiment of the present invention will now be described.

First, the data received from the interface unit 11 are separated into data and control commands and transmitted to the data recording / reproducing processor 12, the controller 13, and the broadcasting station type discriminating unit 16, respectively.

The broadcasting station type discrimination unit 16 discriminates the type of the broadcasting station by the data and the control command received from the interface unit 11 and controls the switching unit 17 according to the discrimination result, The control command processing software reads the control command processing software from the corresponding storage unit 14 to which the control command software has been allocated and applies it to the control unit 13. [

At this time, the storage unit 14 includes a plurality of storage units 14l-14n each storing control command processing software corresponding to each broadcasting station.

As a method for discriminating the type of the broadcasting station, first, as shown in FIG. 3, the broadcasting station ID detecting unit 16a detects an ID of the broadcasting station name among various kinds of data transmitted through the interface unit 11, There is a method of discriminating the type of a broadcast station by the broadcast station discrimination section 16b based on the ID.

Here, since the IDs of the data are the same for each broadcasting station but the IDs of the broadcasting stations are different from each other, the type of the broadcasting station can be easily determined if only the ID for the broadcasting station name is detected.

4, the control command distribution unit 16c detects a part of the control command transmitted through the interface unit 11 and compares the control command with the syntax of the control command for each broadcasting station, Analyze whether it is a control command.

As an example of a method of comparing specifications of control commands, an A station configures the control command software as a specific language, and a B station configures software as another language to preliminarily set the broadcast station and the digital storage medium The control command analysis unit 16c analyzes the control command applied thereto.

According to the analysis result, the broadcasting station discrimination unit 16b discriminates the ID of the broadcasting station and controls the switching unit 17 according to the discrimination result.

Third, as shown in FIG. 5, the length of a transmission packet is determined by the packet length discriminator 16d considering the difference of the transmission packet size for each broadcasting station, and the broadcasting station discriminator 16b discriminates the broadcasting station ID And controls the switching unit 17 according to the discrimination result.

Here, the packet length determination unit 16d determines the interval between the synchronization signals by considering a synchronization signal for notifying the start of the transmission packet.

The control unit 13 reads the control command processing software selected by the determination result of the broadcast station type determination unit 16 from the corresponding storage unit 14 and processes the control command applied from the interface unit 11 .

Therefore, the broadcasting station type determination unit 16 determines the type of the broadcasting station, and the broadcasting station having the control command processing software corresponding to the identified broadcasting station can interface with the digital storage medium, thereby ensuring versatility.

[Second Embodiment]

FIG. 6 is a block diagram illustrating an interface device for a digital broadcast receiver and a digital storage medium according to a second embodiment of the present invention. The same elements as those in the first embodiment are not described here.

In this embodiment, unlike in the first embodiment, the type of broadcasting station is selected by user key input.

Referring to FIG. 6, a second control unit 18 controls the switching unit 17 according to a key input signal when a user selects a type of a broadcasting station and inputs a key. In operation, the data received by the interface unit 11 are separated into data and control commands and transmitted to the data recording / reproducing processor 12 and the first controller 13, respectively.

When the user selects the type of the broadcasting station through the key input and applies the selected type to the second control unit 18, the second control unit 18 controls the switching unit 17 and selects an appropriate control Reads the control command processing software from the corresponding storage unit 14 in which the command software is stored, and applies the read control command processing software to the first control unit 13.

At this time, the storage unit 14 includes a plurality of storage units 14l-14n each storing control command processing software corresponding to each broadcasting station.

The first control unit 13 reads the control command processing software of the broadcasting station selected by the key input of the user from the corresponding storage unit 14 and performs a proper operation do.

Therefore, the user can select the type of the broadcasting station, and the broadcasting station having the control command processing software corresponding to the selected broadcasting station can interface with the digital storage medium, thereby ensuring versatility.

As described above, the digital broadcasting receiver and the digital storage medium interface apparatus according to the present invention can be connected to all kinds of digital broadcasting receivers in environments having respective interface standards for each broadcasting station (digital broadcasting receiver) It is effective.

First, since it is possible to connect to all kinds of digital broadcasting receivers as the same storage medium, there is an advantage that it is versatile.

Second, the interface standard between the digital broadcasting receiver and the digital storage medium is composed of a part (control command syntax) different from a common part (physical standard) of each broadcasting station. The interface device of the present invention shares a common part with all of different parts There is an advantage in that it is possible to efficiently perform the functions.

Claims (7)

An interface apparatus for interfacing a digital broadcasting signal transmitted from at least two broadcasting stations to a digital storage medium, comprising: broadcasting station discrimination means for discriminating a type of a broadcasting station transmitting a digital broadcasting signal; Storing means for storing an interfacing path corresponding to the number of the broadcasting stations; And switching means for selecting a corresponding path from among the interfacing paths according to the discrimination signal and outputting the selected path to a digital recording medium. The apparatus of claim 1, wherein the type of broadcasting station is selected by a user's key input. The apparatus of claim 1, wherein the storage means comprises a plurality of storage units for storing respective interfacing passes corresponding to the respective broadcasting stations. The apparatus of claim 1, wherein a control command for interfacing with a digital storage medium among digital broadcasting signals transmitted from a broadcasting station is different for each broadcasting station. The apparatus of claim 1, wherein the type of the broadcasting station is discriminated by a broadcasting station ID detecting means for detecting an ID of a broadcasting station name among digital broadcasting signals transmitted from the broadcasting station. The apparatus of claim 1, wherein the discrimination of the broadcasting station is determined by a control command analyzing means for comparing and analyzing a control command among the digital broadcasting signals transmitted from the broadcasting station. The apparatus of claim 1, wherein the determination of the broadcasting station is performed by a transmission packet length determination unit that determines a length of a transmission packet transmitted from a broadcasting station.