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Digital broadcast receiving apparatus

A technology of digital broadcasting and receiving device, which is applied in broadcasting receiving circuit, broadcasting multiple pieces of information at the same time, specific information broadcasting system, etc., can solve the problem of not being able to fully understand the content of data broadcasting, etc.

Inactive Publication Date: 2009-08-19
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the user cannot fully understand the content of the data broadcasting without looking at the monitor screen.

Method used

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  • Digital broadcast receiving apparatus

Examples

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Comparison scheme
Effect test

no. 1 example

[0031] A first embodiment of the present invention is described below.

[0032] figure 1 is a block diagram showing the structure of the vehicle-mounted broadcast receiving apparatus according to the first embodiment of the present invention.

[0033] The vehicle-mounted broadcast receiving device includes a control unit 1, which controls the overall operation of the device. The device also includes a television (TV) antenna 2 , a TV channel selection unit 3 and a transport stream (TS) decoder 4 .

[0034] The TV channel selection unit 3 selects radio waves of a preselected TV broadcast station from, for example, radio waves of terrestrial digital TV broadcasts received by the TV antenna 2 . The TS decoder 4 separates a signal (MPEG2 transport stream) generated by demodulating the selected radio wave into a video stream, a voice stream, and a data broadcast stream.

[0035] The vehicle broadcast receiving device also includes a video decoder 5 , a voice decoder 6 , a data s...

no. 2 example

[0078] A second embodiment of the present invention is described below. for with figure 1 The constituent parts are the same as those of the first embodiment shown, and their descriptions are omitted.

[0079] Figure 9 is a block diagram showing the structure of a vehicle-mounted broadcast receiving device according to a second embodiment of the present invention. This unit does not include figure 1 The character recognition dictionary memory 22 and the pattern recognition unit 23 are shown.

[0080] The operation of the in-vehicle broadcast receiving device according to the second embodiment will be described below.

[0081] When the user operates the input unit 15 to set the device in the voice reading mode, the control unit 1 controls the data broadcast decoder 8 to provide the reading component extraction unit 21 with the BML file "news" contained in the data broadcast stream stored in the data storage unit 7. .bml" (see image 3 ) and the binary table file "news.tb...

no. 3 example

[0092] A third embodiment of the present invention is described below. for with figure 1 The constituent parts are the same as those of the first embodiment shown, and their descriptions are omitted.

[0093] Figure 12 is a block diagram showing the structure of a vehicle-mounted broadcast receiving apparatus according to a third embodiment of the present invention. This unit does not include figure 1 The reading component extraction unit 21 shown is, in addition, replaced by a pattern recognition unit 31 figure 1 The graphic recognition unit 23 is shown.

[0094] The data broadcast decoder 8 of this in-vehicle broadcast receiving device has a function of decoding the data broadcast stream read from the data storage unit 7 to generate image data of a complete output screen and then supplying it to the pattern recognition unit 31 . The image data of the complete output screen is the image of the output screen of the display unit 11, such as figure 2 shown.

[0095] The...

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PUM

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Abstract

A digital broadcast receiving device, characterized in that it includes a receiving and selecting unit (3) for receiving and selecting digital broadcast waves, and for decoding data broadcast streams included in the received and selected digital broadcast waves , and obtain a transport stream decoder and a data broadcast decoder (4, 8) for character data and image data for data broadcasting, a character recognition dictionary memory (22) for storing patterns and reading data of the patterns, for An image recognition unit (23) that compares the obtained image data with information stored in the character recognition dictionary memory (22), and obtains reading data of patterns contained in the image data, for The obtained character data and the acquired reading data generate a reading sentence generating unit (24) for sentence data of phonetic reading, and a speech synthesis unit for converting the generated sentence data into phonetic data (25).

Description

technical field [0001] The invention relates to a digital broadcast receiving device with the function of receiving data broadcast. Background technique [0002] In the prior art of digital television broadcasting, in addition to video and voice data, a transmitting station transmits data for displaying news, weather forecast, etc. on a monitor in accordance with user operations. The sending station sends data broadcasts. This technique is disclosed in, for example, Japanese Patent Application Laid-Open No. 10-304325. [0003] Data broadcasting can be received by both a home broadcast receiving device and a vehicle-mounted broadcast receiving device. Data broadcasting is envisioned as data that can be displayed on the monitor screen of the device; therefore, when the user is driving and cannot watch the monitor screen, he or she will not be able to understand the content of the data broadcasting. [0004] In order to solve the above problems and enable users to understand...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/445G10L13/02B60R11/02G10L13/00H04B1/16H04N7/025H04N7/088
CPCG10L13/00H04N21/41422H04N21/8543H04N5/44513H04H60/68H04H20/28H04N21/4348H04N21/440236H04H60/27H04N21/439G10L13/043H04N21/435H04H40/18H04N21/84H04N21/47
Inventor 宇井俊司
Owner KK TOSHIBA
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