KR20100035533A - Broadcasting receiving apparatus - Google Patents

Broadcasting receiving apparatus Download PDF

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Publication number
KR20100035533A
KR20100035533A KR1020080094965A KR20080094965A KR20100035533A KR 20100035533 A KR20100035533 A KR 20100035533A KR 1020080094965 A KR1020080094965 A KR 1020080094965A KR 20080094965 A KR20080094965 A KR 20080094965A KR 20100035533 A KR20100035533 A KR 20100035533A
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KR
South Korea
Prior art keywords
data
external output
output device
unit
broadcast
Prior art date
Application number
KR1020080094965A
Other languages
Korean (ko)
Inventor
박진석
Original Assignee
주식회사 대우일렉트로닉스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 대우일렉트로닉스 filed Critical 주식회사 대우일렉트로닉스
Priority to KR1020080094965A priority Critical patent/KR20100035533A/en
Publication of KR20100035533A publication Critical patent/KR20100035533A/en

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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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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 or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The present invention relates to a broadcast receiving apparatus, and the disclosed broadcast receiving apparatus converts data directly into a form in which the broadcast receiving apparatus can reproduce the data on an external output device without the need for additional equipment such as computer hardware and interface equipment equipped with a separate conversion program. In addition, the conversion operation process is simple, and even if the skilled person for data conversion is not easy, the converted data can be easily obtained, and the working time for the conversion work is also shortened.

Broadcast reception, data conversion, supported resolution, supported format, supported compression ratio

Description

Broadcast receiver {BROADCASTING RECEIVING APPARATUS}

The present invention relates to a broadcast reception device, and more particularly, to a broadcast reception device for converting and outputting data in accordance with a reproduction support characteristic of an external output device selected as an external output from a broadcast reception device such as a personal video recorder (PVR). will be.

As is well known, the broadcast reception device is a device that receives and reproduces a broadcast signal transmitted from a broadcasting station, and records and reproduces information on a hard disk built in a television system, a set-top box, and a television main body. Video Recorder).

In conventional analog television broadcasting, video signals to be transmitted are modulated by AM or FM and transmitted through radio waves or cables. With the recent development of digital technologies such as digital image compression and digital modulation and demodulation, the standardization of digital television (DTV) broadcasting has advanced, and the existing terrestrial, satellite, and cable broadcasting have been digitized based on the Moving Picture Experts Group (MPEG). .

As such, digital broadcasting can provide higher quality of service than analog service according to the development of digital video / audio compression technology and digital transmission technology, and can transmit multiple broadcast programs in the same bandwidth, digital communication media and digital storage. There is an advantage in that interoperability with the media can be improved.

On the other hand, most fixed image display apparatuses can provide a high resolution large screen, but have a problem in that they are not portable due to their large appearance and volume. Recently, portable multimedia players with not only music playback but also video playback and digital camera functions, such as PMP (Portable Multimedia Player), have become widespread, and mobile phone terminals such as PDAs and cellular phones have built-in video playback functions. to be.

In addition, the conventional broadcast receiving apparatus provides a function of simply outputting the image data file stored therein to the outside and reproducing it in another image reproducing apparatus or a portable external output device.

However, the portable external output device cannot reproduce high resolution image data reproduced on a large screen because the screen size and the supported resolution are relatively small due to space and volume constraints.

Therefore, it is necessary to convert it to an appropriate format.

In order to convert the format, conventionally, high resolution image data output from a TV or PVR is input to a computer through a USB or serial cable, and the computer converts the image data into an appropriate resolution, screen size, and format to be transmitted to an external output device. Could. To this end, a separate conversion program is installed in the computer, and the conversion program reprocesses the image data according to a format according to the type of the corresponding external output device and transmits it to the external output device.

As described above, the conventional image data conversion technology requires computer hardware and interface equipment equipped with a separate conversion program, and its operation process is complicated, so that a professional man skilled in the computer to perform the conversion function is required. There was a problem in that a lot of work time is required, such as reprocessing the image data according to different formats of the external output device according to each model.

The present invention has been proposed to solve the problems of the prior art, and broadcasts automatically converts and outputs the screen size, resolution, pixel, format, compression ratio, etc. in accordance with the reproduction support characteristics of the external output device without having a separate equipment Provide a receiving device.

A broadcast receiving apparatus according to the present invention is a broadcast receiving apparatus that receives and reproduces a broadcast signal, comprising: a tuning unit for receiving and demodulating the broadcast signal; A signal processing unit for converting according to the data, a data storage unit for storing data corresponding to the broadcast signal or separately input data, and information for storing reproduction support information of an external output device that can be connected to an external output of the broadcast receiving apparatus; A storage unit, a data converter for converting the data stored in the data storage unit based on the reproduction support information so that the external output device can reproduce the data; and receiving, demodulating, signal processing and storing the broadcast signal, and storing the data. A control unit for controlling the conversion and the data conversion unit converted under the control of the control unit And an output unit for outputting to receive the data is provided to an external output device.

Here, the reproduction support information includes at least one of a screen size, a supported resolution, a supported pixel, a supported format, and a supported compression ratio of the external output device.

The information storage unit stores the reproduction support information corresponding to the plurality of external output devices, and the signal processing unit may identify the plurality of external output devices and select one external output device. And a data processing unit to provide the data through a display apparatus under the control of the controller, wherein the controller converts the data to the data conversion unit based on the reproduction support information corresponding to the external output device selected through the output device list screen. Control to convert

The control unit updates the external output device selectable through the output device list screen according to an input from the outside and stores the external output device in the information storage unit.

The signal processor may include a data processor configured to provide a setting screen for selecting or inputting the reproduction support information through a display apparatus under the control of the controller, wherein the controller is selected or input through the setting screen. The data conversion unit controls the data to be converted based on the reproduction assistance information.

According to the present invention, a broadcast receiving device can directly convert data into a form that can be reproduced by an external output device without the need for additional equipment such as computer hardware and interface equipment equipped with a separate conversion program, and the conversion operation process is simple. Therefore, even if you are not a skilled professional for data conversion, you can easily obtain the converted data, and also reduce the work time for the conversion work.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a block diagram of a broadcast receiving apparatus according to the present invention.

As described above, the broadcast receiving apparatus according to the present invention includes a data conversion information storage unit 100, a digital tuning unit 110, an analog tuning unit 120, a user input unit 130, a control unit 140, and a signal processing unit ( 150, an image output unit 160, an audio output unit 170, a data converter 180, a data storage unit 190, and the like.

The digital tuning unit 110 receives and demodulates a digital broadcast signal in the form of a transport stream on a specific physically selected channel.

The analog tuning unit 120 demodulates a broadcast signal received in an analog form on a specific physically selected channel and outputs an analog video and audio signal.

The user input unit 130 is an interface for selecting an external output and an external output device or inputting reproduction support information of the external output device. The user input unit 130 may be implemented as a general operation panel or a remote controller of an electronic device. The playback support information refers to playback support characteristics such as a screen size, a supported resolution, a supported pixel, a supported format, and a supported compression ratio of an external output device.

The signal processor 150 processes the digital broadcast signal and the analog broadcast signal received through the digital tuner 110 and the analog tuner 120, and converts the digital broadcast signal in accordance with a reproduction standard and outputs the converted signal.

The signal processor 150 may include an analog / digital converter, a demultiplexer, an image processor, a data processor, a voice processor, and the like. The demultiplexer separates the digital broadcast signal received through the digital tuning unit 110 into an image signal, a data signal, and an audio signal, and the image processor decodes the image signal separated by the demultiplexer to the image output unit 160. The voice processor decodes the voice signal separated by the demultiplexer and provides the decoded voice signal to the voice output unit 170. The data processor processes the data signal separated by the demultiplexer and provides the image signal to the image output unit 160. . The data processing unit provides EPG (Electric Program Guide) information generated by analyzing event information table (EIT) information included in a program and system information protocol (PSIP) of a digital channel on an on-screen display (OSD) screen. In particular, when the list screen data or setting screen data of the external output device for the data conversion function of the present invention is provided from the controller 140, the data processor provides the OSD screen through the image output unit 160.

The image output unit 160 displays the image signal provided from the signal processor 150 on the screen through a display device or the like and transmits the image signal to the external output device 1, and the audio output unit 170 from the signal processor 150. The provided audio signal is output through a speaker or the like or transmitted to the external output device 1.

The data conversion information storage unit 100 stores reproduction support information including identification information of the external output device 1 and characteristic information such as screen size, support resolution, support pixel, support format, support compression ratio, and the like. The playback support information of the external output device 1 input through 130 is stored.

The data converter 180 compresses the broadcast signals received through the digital tuning unit 110 and the analog tuning unit 120 or restores the data stored in the data storage unit 190 to the signal processing unit 150. Under the control of the controller 140, the screen size, resolution, pixel, format, compression ratio, etc. of the data stored in the data storage 190 are converted and provided to the signal processor 150.

The data storage unit 190 stores the data compressed by the data converter 180, extracts the stored data under the control of the controller 140, and provides the data to the data converter 180.

The control unit 140 receives and demodulates a broadcast signal by the digital tuning unit 110 and the analog tuning unit 120, processes the signal by the signal processing unit 150, stores and extracts data by the data storage unit 190, The data conversion unit 180 controls the data conversion process.

In addition, the controller 140 controls the signal processor 150 to provide an output device list screen displaying the list of the external output devices 1 that can be selected as an external output through the image output unit 160, and converts data. Based on the reproduction support information corresponding to the external output device 1 selected through the output device list screen among the reproduction support information stored in the information storage unit 100, the data conversion unit 180 controls to convert the data, and outputs the output device. The external output device 1 which can be selected through the list screen is updated according to an input from the outside and stored in the data conversion information storage unit 100. For example, the user may update the output device list and the reproduction support information stored in the data conversion information storage unit 100 through a communication network such as the Internet.

In addition, the control unit 140 may provide a data conversion setting screen for selecting or inputting reproduction support information of the external output device 1 that can be selected as an external output through the image output unit 160. And controls the data conversion unit 180 to convert the data based on the reproduction support information set through the data conversion setting screen among the reproduction support information stored in the data conversion information storage unit 100.

A process of data conversion and external output by the broadcast receiving apparatus configured as described above will be described with reference to FIGS. 2 and 3. Here, the general operation of the broadcast reception, demodulation, storage, extraction, reproduction, etc. by the broadcast reception device will be omitted.

The broadcast reception device according to the present invention includes the identification information, screen size, supported resolution, of the external output device 1, which the data conversion information storage unit 100 can select as an external output of the broadcast reception device, for data conversion and external output. Playback support information including characteristic information such as support pixels, support formats, and support compression ratios is stored. The user may input such reproduction support information through the user input unit 130, and the controller 140 may convert the reproduction support information of the external output device 1 input through the user input unit 130 into a data conversion information storage unit ( 100). In addition, it is possible to input or update a list of output devices that can be inputted through the communication port (not shown) separately provided to the broadcast receiving device or connected through a communication network such as the Internet to input playback support information or select as an external output. The control unit 140 updates the identification information and the reproduction support information of the external output device 1 stored in the data conversion information storage unit 100 based on the reproduction support information or the output device list input from the outside.

A process of data conversion and external output according to the first embodiment will be described with reference to FIG. 2.

First, the controller 140 searches for output device information previously stored in the data conversion information storage unit 100 when an external output is selected through the user input unit 130 in the user input waiting state S201 (S205). .

In addition, the controller 140 controls the data processor inside the signal processor 150 to provide an output device list screen according to the searched output device information, and thus the output device list is included through the image output unit 160. The OSD screen is provided (S207). Here, the user may identify a plurality of external output devices through the output device list screen, and may select any one of the external output devices. For example, the output device list may provide a model number of a mobile communication terminal, an MP3 player, a navigation device, a PMP, etc. as identification information, and provide reproduction support information in a one-to-one correspondence with the identification information.

When the user selects a predetermined list on the output device list screen to select the external output device 1 (S209), the controller 140 selects an external output device 1 currently selected from the reproduction support information stored in the data conversion information storage unit 100. ) To support the data conversion unit 180 is extracted.

Meanwhile, the data storage unit 190 extracts the data selected by the user as an external output from the stored data and provides the data to the data converter 180. Such data selection and extraction may be performed together in step S203, or may be performed as a separate step after step S209.

Then, the data conversion unit 180 converts the data extracted from the data storage unit 190 to be reproduced by the external output device 1 based on the reproduction support information provided from the control unit 140 (S211). The received data is provided to the external output device 1 through the image output unit 160 and / or the audio output unit 170 under the control of the controller 140 (S213).

A data conversion and external output process according to the second embodiment will be described with reference to FIG. 3.

First, when the data conversion setting is selected through the user input unit 130 in the user input standby state (S301) (S303), the control unit 140 selects or inputs the reproduction support information of the external output device 1 or converts the data. In order to provide a setting screen, the data processing unit inside the signal processing unit 150 is controlled. Accordingly, an OSD screen including a data conversion setting screen is provided through the image output unit 160 (S305). Here, the user may input or select reproduction support information such as a screen size, a supported resolution, a supported pixel, a supported format, and a supported compression ratio of the external output device 1 through the data conversion setting screen.

When the data conversion setting through the data conversion setting screen is completed (S307), the controller 140 stores the reproduction support information, that is, the data conversion setting value set by the user, in the data conversion information storage unit 100 (S309).

When the external output is selected through the user input unit 130, the controller 140 extracts the data conversion setting values stored in the data conversion information storage unit 100 in step S309 and provides them to the data conversion unit 180 ( S311).

Meanwhile, the data storage unit 190 extracts the data selected by the user as an external output from the stored data and provides the data to the data converter 180. Such data selection and extraction may be performed together in step S311, or may be performed as a separate step after step S311.

Then, the data conversion unit 180 converts the data extracted by the data storage unit 190 to be reproduced by the external output device 1 based on the reproduction support information and the data conversion setting values provided from the control unit 140 ( The converted data is provided to the external output device 1 through the image output unit 160 and / or the audio output unit 170 under the control of the controller 140 (S315).

So far, the present invention has been described with reference to the preferred embodiments. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

1 is a block diagram of a broadcast receiving device according to the present invention;

2 is a flowchart illustrating a data conversion and external output process according to a first embodiment of the present invention;

3 is a flowchart illustrating a data conversion and external output process according to a second embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: data conversion information storage unit 110: digital tuning unit

120: analog tuning unit 130: user input unit

140: control unit 150: signal processing unit

160: video output unit 170: audio output unit

180: data conversion unit 190: data storage unit

Claims (5)

A broadcast receiving device that receives and reproduces a broadcast signal, A tuning unit for receiving and demodulating the broadcast signal; A signal processing unit for converting the broadcast signal demodulated by the tuning unit according to a reproduction standard of the broadcast reception device; A data storage unit for storing data corresponding to the broadcast signal or separately input data; An information storage unit for storing reproduction support information of an external output device that can be connected to an external output of the broadcast receiving device; A data conversion unit converting the data stored in the data storage unit based on the reproduction support information so that the external output device can reproduce the data; A control unit controlling reception, demodulation, signal processing and storage of the broadcast signal, and conversion of the data; An output unit for outputting the data converted by the data conversion unit so that the external output device can be provided under the control of the controller; Broadcast receiving device comprising a. The method of claim 1, The reproduction support information includes at least one of a screen size, a supported resolution, a supported pixel, a supported format, and a supported compression ratio of the external output device. Broadcast receiving device. The method according to claim 1 or 2, The information storage unit stores the reproduction support information corresponding to the plurality of external output devices. The signal processor may include a data processor configured to identify the plurality of external output devices and provide an output device list screen for selecting one external output device through a display device under the control of the controller. The controller controls the data converter to convert the data based on the reproduction support information corresponding to the external output device selected through the output device list screen. Broadcast receiving device. The method of claim 3, wherein The controller may be configured to update an external output device selectable through the output device list screen according to an input from the outside and to store the information in the information storage unit. Broadcast receiving device. The method according to claim 1 or 2, The signal processor may include a data processor configured to provide a setting screen for selecting or inputting the reproduction support information through a display apparatus under the control of the controller. The control unit controls the data conversion unit to convert the data based on the reproduction support information selected or input through the setting screen. Broadcast receiving device.
KR1020080094965A 2008-09-26 2008-09-26 Broadcasting receiving apparatus KR20100035533A (en)

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KR1020080094965A KR20100035533A (en) 2008-09-26 2008-09-26 Broadcasting receiving apparatus

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KR1020080094965A KR20100035533A (en) 2008-09-26 2008-09-26 Broadcasting receiving apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690865A1 (en) * 2012-07-27 2014-01-29 Funai Electric Co., Ltd. Recording Device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690865A1 (en) * 2012-07-27 2014-01-29 Funai Electric Co., Ltd. Recording Device

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