JPH08275080A - Wide television receiver - Google Patents

Abstract

PURPOSE: To obtain the wide television receiver in which the utility of a space area of an image is expanded and the convenience in the viewing is improved. CONSTITUTION: A sound volume level/sound quality spectrum display circuit 4 provides an output of an audio information video signal to display a sound volume level and a sound quality spectrum corresponding to a received image onto a screen as audio information. An adder 3 superimposes the audio information video signal outputted from the sound volume level/sound quality spectrum display circuit 4 onto a part corresponding to an image space area of a wide video signal waveform for a wide image obtained based on a 3:4 video signal of a received image whose aspect ratio is 3:4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention has a screen aspect ratio of 3: 4.
The present invention relates to a wide television receiver having a horizontally long wide screen.

[0002]

2. Description of the Related Art In recent years, as a television receiver for home use, the aspect ratio of the screen is 3 to 4 (hereinafter, "to").
":" Is used to express like 3: 4) Wide television receivers having a wider 9:16 wide screen have become widespread and demand is increasing, but they are actually broadcast. Most of the television images used are conventional screen images having an aspect ratio of 3: 4.

Therefore, a wide-screen television receiver often receives an image for a conventional screen having an aspect ratio of 3: 4. In that case, the vertical direction of the screen is compressed or the upper and lower parts are deleted. , The horizontal direction of the screen is appropriately expanded, but when receiving the whole image without changing the aspect ratio (3: 4) of the screen, the left or right part of the 9:16 wide screen is displayed. A blank area remains in the area.

Such a wide screen blank area has conventionally been disclosed in Japanese Patent Application Laid-Open No. 63-146672, for example, as shown in FIG. Image area (for example, 1st to 3rd child screen)
Used as g1, g2, and g3, this small screen is used to display an image different from the image of the second image area (for example, the main screen) G.

FIG. 5 is a block diagram showing a circuit configuration for displaying such another image. Since this block diagram is not directly related to the present invention, detailed description thereof will be omitted here.

In FIG. 5, the first to fifth signals input to the first to fifth signal input terminals 11, 12, 21, 22, 23 are input.
The video signal for the image area is subjected to the optimum signal processing for each video signal and switched by the signal switching circuits 16 and 24, and the video signal for each video signal is displayed on the display 19 in the designated image area. It is displayed as a corresponding image.

Further, in recent years, the blank area of the wide screen in the wide television receiver is, as shown in FIG. 6, a character information area m for displaying character information of character multiplex broadcasting.
It is also used as.

[0008]

However, in the conventional wide television receiver as described above, when the whole image is received on the wide screen without changing the aspect ratio (3: 4) of the screen. The blank area to be used is used as a child screen g1, g2, g3 for displaying an image different from the image of the main screen G, and as a character information area m for displaying the character information of the character multiplex broadcasting. There is a problem in that the utilization of the blank area of the wide screen is not sufficiently obtained for the user of the device, and the convenience when using the wide television receiver is low.

According to the present invention, the audio information corresponding to the received image can be displayed in the blank area of the wide screen, the utility of the blank area of the wide screen can be expanded, and the wide television receiver is used. It is an object of the present invention to provide a wide television receiver capable of further improving convenience in the case.

[0010]

In order to achieve the above object, a wide television receiver according to claim 1 of the present invention has a wide screen whose aspect ratio is more than 3: 4.
In a wide television receiver for displaying a received image based on a video signal, an audio information display means for outputting an audio information video signal for displaying audio information corresponding to the received image on the wide screen, and an aspect ratio of 3 The audio information video signal output from the audio information display means is provided in the portion corresponding to the screen blank area of the wide video signal waveform for the wide screen generated based on the 3: 4 video signal of the received image of 4: 4. And an adder for superimposing.

[0011]

According to the structure of claim 1, the audio information display means outputs the audio information video signal for displaying the audio information corresponding to the received image on the screen.

The audio information display means is provided in a portion of the adder corresponding to a screen blank area of a wide video signal waveform for a wide screen obtained based on a 3: 4 video signal of an image received with an aspect ratio of 3: 4. The audio information video signal output from is superposed.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wide television receiver according to an embodiment of the present invention will be described below with reference to the drawings. Here, a description will be given of a video signal and audio signal processing circuit portion directly related to the present invention, and the other portions will be omitted.

FIG. 1 is a block diagram showing a configuration of a processing circuit portion for a video signal and an audio signal in the wide television receiver of this embodiment. In FIG. 1, 1 is a video signal processing circuit, 2 is an audio signal processing circuit, 3 is an adder, 4 is a volume level / sound quality spectrum display circuit as audio information display means, 5 is a video signal output circuit, and 6 is an audio signal. Output circuit, 7 is a CRT for wide screen as a display,
Reference numeral 8 is a speaker. Here, the volume level / sound quality spectrum display circuit 4 can be configured by a peripheral circuit such as a microcomputer and a memory.

The operation of the wide television receiver having the above components in the processing circuit portion for the video signal and the audio signal will be described below. The voice signal processing circuit 2 demodulates the voice signal separated from the received signal into a voice range signal corresponding to the received image based on the received signal by performing signal processing such as detection. On the other hand, the voice signal output circuit 6 amplifies the voice range signal demodulated by the voice signal processing circuit 2, and the speaker 8 is driven by the amplified signal.
The speaker 8 driven by the audio signal output circuit 6 is
The sound corresponding to the received image is output to the viewer.

On the other hand, based on the voice range signal demodulated by the voice signal processing circuit 2, on the other hand, the volume level / sound quality spectrum display circuit 4 uses the volume level and sound quality spectrum of the voice corresponding to the received image as voice information. Outputs audio information video signals for display on the screen.

On the other hand, based on the 3: 4 video signal of the received image having the aspect ratio of 3: 4 separated from the received signal, the video signal processing circuit 1 is for a wide screen and the aspect ratio is 3: 4.
Is converted into a wide video signal in which there is a portion corresponding to a screen blank area which occurs in order to receive the entire image without changing.

The adder 3 outputs the audio information video signal output from the volume level / sound quality spectrum display circuit 4 to a portion corresponding to the screen blank area of the wide screen wide video signal converted by the video signal processing circuit 1. Are superimposed and output as a composite video signal of the wide video signal and the audio information video signal. Based on the composite video signal output from the adder 3, the video signal output circuit 5 outputs a drive signal for driving the CRT 7.

The CRT 7 is driven by the drive signal output from the video signal output circuit 5, for example, as shown in FIG.
An image in which images L1 and L2 representing the form of a volume level meter that displays the volume levels of the left (L) and right (R) channels of stereo sound are combined with the received image J1 based on the received signal, and as shown in FIG. Then, an image obtained by synthesizing the received image J1 with images S1 and S2 representing the form of an audio spectrum analyzer displaying an audio spectrum for each arbitrary frequency representing the sound quality of the left and right channels of stereo audio is output to the viewer To do.

As described above, in the blank area of the wide screen, the volume levels of the left and right channels of the stereo sound corresponding to the received image are displayed at any time in the form of a volume level meter, or the received image is displayed in the form of an audio spectrum analyzer. It is possible to display the sound quality of the left and right channels of the stereo sound corresponding to.

By the above operation, the volume level and the sound quality spectrum of the voice can be displayed in the blank area of the wide screen as the voice information corresponding to the received image, and the utility of the blank area of the wide screen can be expanded. it can.

As a result, the convenience of using the wide television receiver can be further improved. In addition,
In the above embodiment, the sound volume level / sound quality spectrum display circuit 4 is used as the sound information display means, and the sound volume level and sound quality spectrum of the sound corresponding to the received image are displayed in the blank area of the wide screen. The information display means may be configured to display only one of the sound volume level and the sound quality spectrum. Even if only one of them is displayed, the utility of the blank area of the wide screen is expanded compared to the conventional case. Therefore, it is possible to further improve the convenience when using the wide television receiver.

[0023]

As described above, according to the present invention, the audio information display means displays the audio information image for displaying at least one of the volume level and the sound quality spectrum as the audio information corresponding to the received image on the screen. The adder outputs a signal, and the adder outputs audio information to a portion corresponding to the blank screen area of the wide video signal for a wide screen obtained by processing the 3: 4 video signal of the received image with the aspect ratio of 3: 4. It is possible to superimpose the audio information video signal output from the display means.

Therefore, the audio information corresponding to the received image can be displayed in the blank area of the wide screen, and the utility of the blank area of the wide screen can be expanded. As a result, it is possible to further improve convenience when using the wide television receiver.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a video and audio signal circuit of a wide television receiver according to an embodiment of the present invention.

FIG. 2 is a display example of a volume level of the same embodiment.

FIG. 3 is a display example of a sound quality spectrum of the same embodiment.

FIG. 4 is a display example of a blank area of a conventional wide television receiver.

FIG. 5 is a configuration diagram of a video signal circuit of the conventional example.

FIG. 6 is a display example of a blank area of another conventional example.

[Explanation of symbols]

 3 Adder 4 Volume level / sound quality spectrum display circuit

Claims (2)

[Claims] 1. A wide television receiver for displaying an image-receiving image based on a video signal on a wide screen having an aspect ratio of 3: 4, which is wider than 3: 4, wherein audio information corresponding to the image-receiving image is displayed on the wide screen. Audio information display means for outputting an audio information video signal, and a screen blank area of the wide video signal waveform for the wide screen generated based on the 3: 4 video signal of the received image having an aspect ratio of 3: 4. And a adder for superimposing the audio information video signal output from the audio information display means on a portion corresponding to. 2. The audio information display means is configured to output an audio information video signal for displaying at least one of a volume level and a sound quality spectrum corresponding to a received image as a sound screen on a wide screen. The wide television receiver described in 1.