JPH11215490A - Satellite broadcast receiver and its method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a satellite broadcast receiver that realizes reception of both an image via a Web (www: world wide web) page and a voice signal at the same time. SOLUTION: A receiver is provided with a DEMUX section 34 that selects received voice data with Web page received from a transponder, an MPEG decoder 35 that decodes the selected voice data, and a CPU 40 that conducts decode processing for displaying an image of the selected Web page and by a Web browser software. In this way, the Web page data and the selected voice data are decoded, the images via the Web page and the voice data can be received simultaneously.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a satellite broadcast receiver (IRD: Integrated) incorporating a scramble decoder.
In particular, the present invention relates to a satellite broadcast receiving apparatus for performing data broadcasting by digital broadcasting.

[0002]

2. Description of the Related Art In recent years, the realization of data broadcasting by digital broadcasting has become a hot topic from the viewpoint of enhancing the functions of IRD. For example, as an example of data broadcasting, a Web (WWW: World Wide Web) relayed by a transponder which is a radio wave transponder mounted on an artificial satellite and amplifying a radio wave received from a transmitter on the earth and retransmitting it at a different frequency There are cases where a Wide Web) page is viewed on a TV via an IRD.

[0003]

However, as described above, the conventional IRD receives a Web page from the transponder and outputs it to the TV. However, since access to the Web page only displays an image almost without sound, Originally, there was a problem that it was not possible to realize a TV function that would be attractive only with images and sound.

An object of the present invention is to provide a satellite broadcast receiving apparatus capable of simultaneously realizing both reception of an image and reception of a sound via a Web page. SUMMARY OF THE INVENTION An object of the present invention is to provide a satellite broadcast receiving method capable of simultaneously realizing both image reception and audio reception via a Web page.

[0005]

In order to solve the above-mentioned problems, in a configuration of the present invention, in a satellite broadcast receiving apparatus for receiving data, a demultiplexer for selecting received audio data together with received Web page data. And a decoder for decoding the selected audio data, and arithmetic control means for performing a decoding process for displaying the selected Web page data in accordance with browser software. A broadcast receiving device is provided.

[0006] Here, the demultiplexer selects the received audio data together with the Web page data for displaying the received image. The decoder decodes the selected audio data. The arithmetic control unit performs a decoding process for displaying the selected Web page data according to the browser software. By each decoding, both audio and video can be reproduced on a TV or the like.

In order to solve the above-mentioned problem, the method of the present invention selects received audio data together with the received Web page data, decodes the selected audio data, and simultaneously executes the selected Web page data. A satellite broadcast receiving method is provided, wherein decoding processing for displaying data in accordance with browser software is performed.

[0008] Here, the received audio data is selected together with the received Web page data, the selected audio data is decoded, and the selected Web page data is decoded according to the browser software. A decoding process for displaying an image is performed, whereby both the sound and the image can be reproduced on a TV or the like.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram illustrating the principle of a satellite broadcast receiving apparatus according to the present invention. The satellite broadcast receiver shown in FIG.
As shown in FIG. 2, the radio wave transmitted from the broadcasting station 10 is received via a transponder mounted on the artificial satellite 20, and the received audio data is selected together with the Web page data received from the transponder. (DEMUX unit) 34, an MPEG decoder 35 for decoding the selected audio data,
An arithmetic control unit 40 for performing a decoding process for displaying an image of the selected Web page data in accordance with Web browser software is provided.

A broadcasting station 10 shown in FIG. 2 converts a program source compressed by an AV encoder 11 into an EPG (Electri
EPG database 1 that stores data for realizing TV screens and multi-screens called “cal Program Guide”
2 is time-division multiplexed with the data in the MUX (Multiplexer) 13 and, in the case of pay broadcasting, scrambled by the scrambler 14 and transmitted from the uplink processing unit 15 to the artificial satellite 20. .

Next, a satellite broadcast receiving apparatus according to the present embodiment will be described with reference to FIG. However, in the embodiment shown in FIG. 3, parts corresponding to respective parts in the principle diagram shown in FIG. 1 are denoted by the same reference numerals.

[0012] As shown in FIG.
A tuner 31, a FE (Front End process) unit 32,
The DES (Descramble) unit 33 and the DEMUX (Demultiplex
er) unit 34 and MPEG (Moving Picture Experts Group
p) decoder 35 and NTSC (National Television Sys
tem Committee) encoder 36 and audio DAC (D
igital / Analog Converter) 37 and DRAMs 38 and 39
, CPU 40, DRAM 41, program storage memory 42, font storage memory 43, and modem 4
4, an IC card 45, a key remote controller 46, and a main body display 47.

A DES unit 33, a DEMUX unit 34, an MPEG decoder 35, a CPU 40, a DRAM 4
1. The program storage memory 42 and the font storage memory 43 are connected by a host bus 48.

The broadcasting station 10 shown in FIG.
Are transmitted to the FE section 32 through the tuner 31 after being received by the antenna of the satellite broadcast receiving apparatus 1. The FE section 32 demodulates the received signal and performs error processing, and outputs the result to the DES section 33. DE
The S unit 33 performs a process of descrambling a scrambled signal such as a pay broadcast, and then performs a process of descrambled.
Output to 4.

Since the descrambled signal is in the form of a multiplexed multi-program such as an MPEG transport, the DEMUX unit 34 responds to selection by the user operating the key remote controller 46 or the like. Retrieve information. The audio and video data (usually MPEG-compressed) extracted by the DEMUX unit 34 is output to an MPEG decoder 35.

Along with this output, the EPG data and key information for descrambling are
Output to PU40. In addition, those DEMUX units 3
4 as a temporary storage location for data transmission by
A RAM 38 is used. Also, the DRAM 39 has an MP
Used in the EG decoder 35.

The MPEG decoder 35 has an OSD (On-Display) that multiplexly displays operation menus and the like on a screen of a TV receiver.
A screen display) function is provided, and the audio signal decoded here is output to the audio DAC 37, and the video signal is output to the NTSC encoder 36.

The audio DAC 37 converts an audio signal into an analog signal, and the NTSC encoder 36
After the video signal is converted to an NTSC signal, it is output to a TV. As a result, a video with sound can be viewed on the TV.

A DRAM 41 is used as a work memory of the CPU 40, and a WWW (World Wide
A program storage memory 42 for storing a Web browser or the like, which is a client program for displaying a WWW page provided by the (Web) service, and a kanji font storage memory 43 are connected to a CPU 40 via a host bus 48.
Connected to.

Further, a modem 44, an IC card 45 for managing billing information, a key remote controller 46, and a main body display unit 4
7 are realized by the CPU 40 or an LSI associated with the CPU 40.

When the satellite broadcast receiving apparatus 1 receives a Web page, the DEMUX unit 34 selects Web page data and transmits the selected data to the CPU 40.
Output to the CPU 40, and the CPU 40
This is performed by outputting graphic data of the page to the TV.

As described above, at the same time as receiving the Web page, the DEMUX unit 34 selects a music channel existing in the same transponder, and decodes the selected audio data by the MPEG decoder 35 at the subsequent stage.

An example of such processing will be described with reference to FIG. As shown by a bidirectional arrow 51, the reception data 50 shown in FIG. ID = 1,2,3 indicating the contents of the packet
Is inserted.

In the reception data 50 having such a configuration, the audio 1 packet 51 is selected simultaneously with the Web page packet 53 or the audio 2 packet 52
Is selected.

That is, D of the satellite broadcast receiving apparatus 1 shown in FIG.
The EMUX unit 34 detects the ID of each packet, and outputs only the same packet as the selected program to the subsequent MPEG decoder 35. In particular, in the example of FIG. 4, the audio 1 packet 51 and the audio 2 packet 52 are DEMUX
After the processing in the section 34, it is output to the MPEG decoder 35,
The Web page packet 53 is output to the CPU 40,
The image is decoded and displayed on the Web browser on the CPU 40.

In addition, as shown in FIG.
0, one audio packet 61 and one video packet 62 form one program. For example, in TV, the We
At the same time as the result of decoding the b-page packet 63 is seen, the audio signal obtained from the audio 1 packet 61 can be heard as voice.

As described above, the satellite broadcast receiving apparatus 1 of the present invention, together with the Web page data received from the transponder of the artificial satellite 20, the DEMUX unit 34 for selecting the received audio data, and the selected DEMUX unit 34 An MPEG decoder 35 for decoding audio data, and a CP for performing a decoding process for displaying the selected Web page data in an image according to Web browser software
U40.

As a result, both the selected audio data and the Web page data are decoded, so that both the audio and the image can be reproduced on the TV. In addition, the configuration can be realized without increasing the cost because the basic configuration inherent in the satellite broadcast receiver is used.

[0029]

As described above, the satellite broadcast receiving apparatus according to the present invention includes a demultiplexer for selecting received audio data, a decoder for decoding selected audio data, a selected Web page, together with the received Web page data. And an arithmetic control unit for performing a decoding process for displaying the data in accordance with the browser software. Thereby, both the selected audio data and the Web page data are decoded, so that both the reception of the image and the reception of the audio via the Web page can be simultaneously realized.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating the principle of a satellite broadcast receiving apparatus according to the present invention.

FIG. 2 is a block diagram of a satellite broadcasting system.

FIG. 3 is a diagram showing an internal block configuration of the satellite broadcast receiving device.

FIG. 4 is a diagram showing a configuration of received data of a satellite broadcast receiving device.

FIG. 5 is a diagram showing a configuration of another reception data of the satellite broadcast receiving device.

[Explanation of symbols]

34 ... DEMUX part, 35 ... MPEG decoder, 40 ...
CPU.

Claims (4)

[Claims] 1. A satellite broadcast receiving apparatus for receiving data, comprising: a demultiplexer that selects received audio data together with received web page data; a decoder that decodes the selected audio data; A satellite broadcast receiving apparatus, comprising: arithmetic control means for performing a decoding process for displaying the web page data as an image according to browser software. 2. The apparatus according to claim 1, wherein the arithmetic control unit includes a graphical user interface for arbitrarily selecting the plurality of types of audio data when receiving a plurality of types of audio data from the same transponder. Satellite broadcasting receiver. 3. Selecting the received audio data together with the Web page data received from the transponder, decoding the selected audio data, and converting the selected Web page data according to Web browser software. A satellite broadcast receiving method, wherein a decoding process for displaying an image is performed. 4. The satellite broadcast receiving apparatus according to claim 3, wherein when a plurality of types of audio data are received from the same transponder, the plurality of types of audio data can be arbitrarily selected.