JPH09326970A - Medium selecting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and speedily select a desired TV broadcasting. SOLUTION: A dynamic medium content display requesting picture 2 for instructing the simultaneous display of a plurality of dynamic media varying the contents in real time such as TV broadcasting onto a display picture and the medium selection pictures 11 to 15 of static media previously recorded in a recording medium are respectively displayed. When a static medium selection picture is selected, the contents of the respective dynamic media are simultaneously displayed and then, only the content of the selected dynamic medium is displayed on the display picture. In this case, the display picture is divided into one large area 3 and a plurality of small areas 32 to 38 . Then when the dynamic medium content display requesting picture 2 is selected, the contents of the dynamic media are displayed in the respective areas and the contents of the dynamic media to display in the respective areas are rotated by a prescribed period.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a media selection method, and in particular, a media selection image corresponding to a medium is displayed on a display screen, and a predetermined media selection image is designated to respond to the media selection image. The present invention relates to a media selection method in a system that outputs media.

[0002]

2. Description of the Related Art There is a system in which a large number of media selection images are displayed on a display screen, a desired media selection image is designated, and a medium corresponding to the designated media selection image is output. For example, a CD, TV broadcast, radio broadcast, or other media that is selected for listening or viewing is a media, a CD player with a changer, a TV tuner, a radio tuner, or the like.
In an audio-visual system in which a device that converts an audio signal is an output device such as an input device, an amplifier / speaker, and a display device that outputs a visual / audio signal, a plurality of media selection images are displayed on a display screen, The desired media selection image is designated to convert the media into a visual / audio signal, and then the signal is output from a predetermined output device.

[0003]

The medium includes a CD,
Static media prerecorded on a recording medium such as a cassette tape, a mini disk MD, a video tape, TV broadcasting,
There are dynamic media whose contents change in real time using radio waves and other media such as radio broadcasts and digital audio broadcasts DAB. Conventionally, the display form of the dynamic media selection image displayed on the media selection screen is generally a channel display of a broadcasting station or the like. According to the display form of the dynamic media selection image, the user can know the channel number, the broadcasting station name, etc., but cannot know the current broadcast contents due to the nature of the dynamic media. Therefore, in order to know the current broadcast content, it is necessary to instruct a predetermined media selection image (channel number, broadcasting station name, etc.) and display the broadcast content on the display screen. In addition, the above selection operation needs to be repeated for all channels in order to know all broadcast contents.

Therefore, in the conventional media selection method,
There has been a problem that the operation of selecting a desired dynamic medium is troublesome and it takes a long time for selection. From the above, the object of the present invention is to know the contents of dynamic media (for example, TV broadcast contents) by a simple operation, and to easily obtain a desired TV broadcast without being conscious of the channel number or broadcasting station. It is to provide a media selection method that can be selected in a short time.

[0005]

According to the present invention, there is provided a dynamic medium for instructing to simultaneously display on a display screen the contents of a plurality of dynamic media whose contents change in real time, such as TV broadcasting. Means for displaying on the display screen the content display request image and the media selection image of the static media previously recorded in the storage medium, and when a predetermined static media selection image is instructed, the static media selection image When a dynamic media content display request image is selected, the content of each dynamic media is displayed simultaneously on the display screen, and only the content of the selected dynamic media is output. Is achieved by means of displaying on the display screen.
By these means, the content of each dynamic media (for example, TV broadcast content of each channel) can be known only by selecting the dynamic media content display request image, and the desired content can be obtained without considering the channel number or the broadcasting station. The TV broadcast of can be selected and displayed.

Further, according to the present invention, the above-mentioned problem is that the display screen is divided into one large size area and a plurality of small size areas, and each area when the dynamic media content display request image is selected. This is achieved by means of displaying the contents of the dynamic media and rotating the contents of the dynamic media displayed in each area at a predetermined cycle. According to these means, when the dynamic media is selected, the contents of each dynamic media are displayed in order in a relatively large display area. It is possible to prevent the contents of the media from being difficult to confirm.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION

(a) Media selection screen of the present invention FIG. 1 is an explanatory diagram of a media selection screen of the present invention.
Is the main screen, (b) is the video-based dynamic media selection screen,
(C) is a video dynamic media viewing screen. A transparent touch panel (not shown) is provided on the display screen so that the position on the display screen can be input. On the main screen of FIG. 1A, icons (static media selection images) ₁₁ to ₁₅ indicating static media such as CD, cassette tape, and mini disk MD, and a holder indicating a group of video dynamic media are displayed. 2 is displayed. When the user touches the video system dynamic media holder 2 twice, the display transitions to the video system dynamic media selection screen of (b). On this video system dynamic media selection screen, TV broadcast contents currently being broadcast by all broadcasting stations that can be received by the system (in a good reception state) are displayed in a list format.

The display screen is divided into one relatively large display area 3 ₁ and a plurality (seven in the figure) of small display areas 3 _{2 to} 3 _8. Each display area is provided for each receivable broadcasting station. The current broadcast content of is assigned and displayed. The area in which each broadcast content is displayed is rotated in the direction of the arrow at regular intervals, and the display position moves. When the user looks at this screen and touches the area in which the content desired to be viewed is displayed, the screen transitions to the video dynamic media viewing screen of FIG. 1C. That is, (b)
When the area 3 ₁ is touched in the lower display state,
Broadcast contents displayed in the area 3 ₁ (relay image of horse racing)
Is displayed on the full screen as shown in (c), and sound is also output from the speaker. When the areas 3 _{2 to} 3 ₈ are touched, the broadcast contents displayed in the respective areas are displayed in full screen, and the sound is also output from the speaker.

Further, in order to return to the main screen of (a) from the video system dynamic media selection screen of (b), an arbitrary position on the screen is touched twice in succession, and then from the screen of (c) ( Similarly, in order to return to the main screen of a), an arbitrary position on the screen is touched twice in succession. It should be noted that the route that directly transits (returns) from the screen of (c) to (b) is not specified.

(B) System Configuration of the Present Invention FIG. 2 is a system configuration diagram embodying the present invention. In the figure, 11 is a display unit such as a liquid crystal display, 12 is a transparent touch panel,
Reference numeral 13 is a system control unit for controlling the entire system, 14 is a CD player, 15 is a tape deck, 16 is a radio tuner, 17 is a television tuner, and 18 is a received electric field for detecting the received electric field strength for judging whether the reception condition is good or bad. It is an intensity detector. Reference numeral 19 is a main screen generation unit that generates the main screen of (a), 20 is a received data decoding unit that generates the video system dynamic media selection screen of FIG. 1B, 21 is a switching circuit, and 22 is displayed on the display unit. A VRAM (frame buffer) for storing an image for one screen to be operated, and a display control unit (CRTC) 23 for controlling an image read from the VRAM and displayed on the display unit 11.

Reference numeral 24 is a dynamic media display control unit,
Identification control of a TV broadcast station (TV channel) having a good reception state, reception control of a TV broadcast station having a good reception state, display control of a video system dynamic media selection screen (FIG. 1 (b)),
Rotation control of the display area in the video system dynamic media selection screen (FIG. 1B) is performed. 25 is for displaying the video system dynamic media selection screen (FIG. 1 (b)),
It is a mapping management table that stores correspondences between which broadcast contents are displayed in which areas. As shown in FIG. 1B, the display screen is divided into one large size area 3 ₁ and a plurality (seven) small size areas 3 _{2 to} 3 ₇ , and each area has a TV with a good reception state. Broadcast contents are displayed, and the display area of each broadcast content is rotated in the direction of the solid arrow.

(C) Display control of video system dynamic media selection screen The dynamic media display control unit 24 periodically switches the reception channel and refers to the reception electric field strength to identify a channel in a good reception state. The channel number is stored in the mapping management table 25. For example, each area 3 _{1 to} 3 ₈
The screen address of A is expressed by A _{1 to} A ₈ , and the channels with good reception status are _{1, 3, 7} , ₈ , 10, 12, 14, 15
If it is a channel, the dynamic media display control unit 24
In the mapping management table 25, as shown in FIG. 2, the screen addresses A _{1 to} A _{8 of} each area and the reception channel number 1,
The correspondences of 3, 7, 8, 10, 12, 14, and 15 are stored. Then, the correspondence between the screen address and the channel number of each area is rotated every predetermined time as shown in FIG.

Further, the dynamic media display control unit 24, when the identification and storage of the channel having a good reception state are completed,
After that, the reception frequency of the TV tuner 17 is sequentially switched to the frequency of the channel having a good reception state every 1/30 second, and the screen address indicating the display area of the reception image is input to the reception data decoding unit 20. That is, first, T
While making the V tuner 17 receive the first channel,
The screen address A ₁ is input to the reception data decoding unit 20. As a result, the reception data decoding section 20 reduces and AD-converts the reception image of the first channel to generate the address A ₁
According to the VRAM storage area B ₁ . Then, TV
The tuner 17 is made to receive the third channel, and the screen address A ₂ is input to the reception data decoding unit 20, and the received image is reduced and stored in the VRAM storage area corresponding to the address A ₂ . After that, similarly, every 1/30 seconds, images are sequentially captured from the channels having a good reception state, and VRAM is obtained.
The control for reducing and storing the data in the storage areas b _{3 to} B ₈ is repeated.

In parallel with the above, the CRTC 23 is a VRAM.
Image data is sequentially read from 22 and displayed on the display unit 11. Therefore, before the contents of the mapping table 25 are rotated, as shown in the upper part of FIG. 1 (b), the broadcast contents of the channel with a good reception state are displayed in each area, and the display contents change in real time. Then, when the content of the mapping table 25 is shifted by one, the channel displayed in each area is shifted by one by the same control as shown in the lower part of FIG.

(D) Received Data Decoding Unit FIG. 4 is a block diagram of the received data decoding unit 20.
a is a sampling enable signal SI obtained by dividing the horizontal synchronizing signal HS of TV broadcasting according to the reduced size in the vertical direction.
A horizontal synchronizing signal frequency dividing circuit that outputs N, 20b is a sampling frequency frequency dividing circuit that divides the sampling frequency fs in full-scale display according to the reduced size in the horizontal direction, and 20c is when the sampling enable signal SIN is at a high level. , The divided sampling frequency fs'
A sampling unit for sampling the video signal IMS at
20d AD converts the sampled video signal to V
It is an AD converter that stores it at a predetermined position in the RAM 22.

When the number of horizontal lines per screen included in the TV broadcast signal is H, the size of the VRAM 22 is M × N, and the sampling frequency when the received image is displayed on the display screen in full scale is fs, the image is m. When the display is reduced by xn, the frequency dividing circuit 20a outputs the horizontal synchronizing signal HS by m / m.
The frequency dividing circuit 20b divides the sampling frequency to n.
/ N. As a result, the sampling unit 20c causes the video signal IM for the m scanning lines of the H scanning lines.
The received image is reduced by sampling S at the sampling frequency fs · n / N, and stored in the VRAM 22 after AD conversion. Further, when not reduced, m = M and n = N. Therefore, the sampling unit 20c samples the video signal IMS at the sampling frequency fs for the M scanning lines of the H scanning lines and performs AD conversion. Stored in the VRAM 22.

(E) Overall Operation Initially, the switching circuit 21 selects the main image output from the main screen generator 19 and stores it in the VRAM 22.
As a result, the main image (FIG. 1A) is displayed on the display unit 11. In this state, when a predetermined static media selection image 1 ₁ to 1 ₅ is selected, the system controller 13 activates the CD player or tape deck or the like in accordance with the static media selection image selected, a static Start playing the media. On the other hand, the video system dynamic media holder 2 (see FIG.
When (a)) is intermittently touched twice within a predetermined time, the system control unit 13 notifies the dynamic media display control unit 24 to that effect and controls the switching circuit 21 to receive the data decoding unit 20. Select the output image of.

According to the above notification, the dynamic media display control unit 24 sequentially switches the reception frequency of the TV tuner 17 to the channel frequency in a good reception state every 1/30 seconds, and the reception data decoding unit 20 displays the reception image of the reception image. Input screen addresses A _{1 to} A ₈ indicating the display area. The reception data decoding unit 20 successively reduces and AD-converts the reception image and stores it in the storage areas B _{1 to} B ₈ of the VRAM 22 corresponding to the screen addresses A _{1 to} A ₈ . The CRTC 23 reads image data from the VRAM 22 by a raster scan method and displays it on the display unit 11. Therefore, the reception state to the areas 3 ₁ to 3 ₈ as shown in the upper part in FIG. 1 (b) is displayed broadcast content of good channels, the display content is changed in real time.
When the content of the mapping table 25 is shifted by one, the broadcast content image displayed in each of the areas 3 _{1 to} 3 ₈ is shifted by 1 by the same control as shown in the lower part of FIG. After that, the broadcast contents displayed in the areas 3 _{1 to} 3 ₈ are sequentially rotated.

If the area in which the content desired to be viewed is displayed is touched when the video dynamic media selection screen of FIG. 1B is displayed, the system control unit 13 causes the selected area information to be displayed. To the dynamic media display control unit 24. As a result, the dynamic media display control unit 24 subsequently causes the TV tuner 17 to continuously receive the channel frequency of the broadcast content displayed in the notified area, and also instructs the received data decoding unit 20 to perform full-scale display. . As a result, only the received image of the selected channel is stored in the VRAM 22 in full scale, and the display unit 11
Is displayed as shown in FIG. 1 (c), and voice is output from the speaker.

To return to the main screen of FIG. 1 (a) from the video dynamic media selection screen of FIG. 1 (b), touch any position on the screen twice in succession within a predetermined time. Good. By this touch operation, the system control unit 13 instructs the switching circuit 21 to switch the image, and the switching circuit 21 outputs the main image output from the main screen generation unit 19 to the VRAM 22.
Then, the CRTC 23 displays the main image on the display unit 11. Similarly, to return from the screen of FIG. 1C to the main screen of FIG. 1A, an arbitrary position on the screen may be touched twice in succession. Although the present invention has been described above with reference to the embodiments, the present invention can be variously modified according to the gist of the present invention described in the claims, and the present invention does not exclude these.

[0021]

As described above, according to the present invention, a dynamic media content display request image and storage for instructing to simultaneously display the contents of a plurality of dynamic media whose contents change in real time such as TV broadcasting on the display screen. The media selection images of the static media prerecorded on the medium are displayed on the display screen, respectively, and when a predetermined static media selection image is instructed, the static media selection image corresponding to the static media selection image is displayed. When output is performed and the dynamic media content display request image is selected, the content of each dynamic media is displayed on the display screen at the same time, and only the content of the selected dynamic media is displayed on the display screen. Since it is configured, the content of each dynamic media (for example, TV broadcast content of each channel) can be simply selected by selecting the dynamic media content display request image It is possible to know what you want to see, and you can directly select what you want to see from the list of broadcast contents without the user being aware of the channel number or broadcasting station. TV broadcast of can be selected. Further, when the present invention is applied to the media selection of the vehicle-mounted device, the operation is secondary to the safety by a simple operation.

According to the present invention, the display screen is divided into one large size area and a plurality of small size areas, and when the dynamic media content display request image is selected, the content of the dynamic media is displayed in each area. Since the contents of the dynamic media to be displayed and to be displayed in each area are rotated at a predetermined period, the contents of each dynamic media (TV broadcasting contents) are displayed in a relatively large display area when the dynamic media is selected. Are displayed in order, it is possible to prevent the confirmation from becoming difficult even if there are relatively many receivable stations. That is, even if many video-based dynamic media exist, the visibility required for confirmation can be maintained.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a media selection screen of the present invention.

FIG. 2 is a system configuration diagram embodying the present invention.

FIG. 3 is an explanatory diagram of rotation of a mapping table.

FIG. 4 is a configuration diagram of a reception data decoding unit.

[Explanation of symbols]

1 ₁ to ₁₅ ··· Static media selection image 2 · · Video system dynamic media holder 3 ₁ ·· Large size area 3 _{2 to} 3 ₈ · · Small size area

Claims (2)

[Claims] 1. When a medium to be viewed or to be listened to is defined as a medium, a medium selection image corresponding to the medium is displayed on a display screen, and a predetermined medium selection image is instructed to display the medium. In a media selection method in a system for outputting media according to a selected image, a dynamic media content for instructing to simultaneously display the contents of a plurality of dynamic media whose contents change in real time such as TV broadcasting on the display screen. The display request image and the media selection image of the static media recorded in advance in the storage medium are displayed on the display screen, respectively, and when a predetermined static media selection image is instructed, the static media selection image is displayed. Output static media, and when the dynamic media content display request image is selected Is
A method for selecting media, characterized in that the contents of each dynamic medium are simultaneously displayed on the display screen, and only the contents of the selected dynamic media are displayed on the display screen. 2. The display screen is divided into one large size area and a plurality of small size areas, and when the dynamic media content display request image is selected, the content of the dynamic media is displayed in each area, and The method according to claim 1, wherein the content of the dynamic media displayed in each area is rotated at a predetermined cycle.