KR19990013004A - Audio output level selection system of television - Google Patents

Abstract

The present invention outputs a predetermined signal to an image processor according to an input operation control signal to display an image corresponding to the input signal on a CRT screen, and among the broadcast signals received by the tuner by the input operation control signal. A television comprising an audio processor for amplifying an audio signal to a predetermined size and outputting the audio signal to a speaker, wherein the audio output level setting mode key for setting the television to the audio output level setting mode and a sound for selecting a preset audio output level are provided. An operation mode selection unit including an output level selection key, an audio output level detection unit for detecting an output level control signal of an audio signal, a memory in which a signal output from the audio output level detection unit is recorded, and an audio output level setting mode key input If set, the set audio output level control signal High voice output level selection A control for applying an operation control signal to the OSD unit according to a key input to display a selected voice output level on the CRT among a plurality of preset voice output levels and output an operation control signal according to the selected voice output level to the voice processor. A voice output level detection unit integrates a voice output level control signal input to the voice processor into an integrator to detect a DC level through a DC level detector according to the genre and time zone of the program to be watched by simple key operation. This is to ensure that the optimum audio output is obtained.

Description

Audio output level selection system of television

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio output system of a television. In particular, the genre of a program to be recorded by recording a specific audio output level in a predetermined memory means for the user to obtain an optimal listening effect according to the genre and viewing time of the program. Or it relates to a sound output level selection system of a television that enables to select a sound output level corresponding to time by a simple key operation.

In general, the television viewer adjusts the audio output level to an appropriate value according to the genre of the program being watched and the program broadcast time in order to watch the program to be viewed with the maximum viewing effect.

For example, if a viewer watches a certain program during the day, the viewer may turn up the volume to watch a random program at night, and then turn the volume down to avoid inconvenience to the neighbors. When watching a drama, a plurality of key manipulations were performed to select and watch an audio output level appropriate for the above movie or drama.

An embodiment of the conventional sound output level adjustment described above will be described with reference to the following drawings.

1 is a block diagram showing the structure of a conventional television.

The television includes a key input unit 10 for greatly selecting various operation modes, a remote controller 20a and a remote control key signal input unit 20b for receiving infrared signals according to various operation modes output from the remote controller 20a, and a key. The microcomputer 30 which generally controls the operation of the television by the signal output from the input unit 10 or the remote control key signal input unit 20b, and the memory 35 in which various data according to the operation of the microcomputer 30 are recorded. And a tuner 40 for receiving the broadcast signal of the channel selected by the tuner voltage output from the microcomputer 30 from the antenna ANT, and a video signal among the broadcast signals received by the tuner 40. And outputs a predetermined signal to the image processor 52 according to an operation control signal input from the microcomputer 30 and amplifies the signal to the CRT 56 by amplifying the predetermined size. On-Screen Display (OSD) 58 for displaying a display corresponding to the above-mentioned signal, and detecting a sound signal from the broadcast signal received by the tuner 40 and amplifying the speaker signal to a predetermined size to make a speaker 66. It is largely comprised of the voice processor 62 which outputs a voice signal through.

In the conventional television as described above, the user can operate the predetermined key provided in the key input unit 10 or the remote controller 20a according to the genre of the program to be watched or the viewing time zone to obtain an optimal audio output. When the level is selected, the microcomputer 30 temporarily records the voice level selection signal selected by the user by the key input unit 10 or the remote controller 20a in the memory 35 and outputs an operation control signal corresponding thereto. By outputting to 62, the audio signal controlled to a predetermined size is output through the speaker 66.

At this time, the voice level selection signal input from the remote controller 20a or the key input unit 10 is recorded only until the next voice level selection signal is input.

Therefore, in the above-described conventional voice level selection system, the user must perform a plurality of key manipulations in order to obtain an optimal voice output level each time according to the genre of the program to be watched and the viewing time zone. there was.

The present invention for solving the above problems is to record the specific audio output level that the user can obtain the optimum listening effect according to the genre and the viewing time of the program in a predetermined memory means or the genre of the program to be viewed or It is an object of the present invention to provide a system for selecting an audio output level of a television, which makes it possible to select an audio output level corresponding to time by a simple key operation.

1 is a block diagram showing the structure of a conventional television;

2 is a block diagram showing a schematic configuration of a television equipped with a voice output level selection system according to the present invention;

Explanation of symbols on the main parts of the drawings

10: key input unit 20a: remote control

30: microcomputer 35: memory

40: tuner 52: video processor

56: CRT 58: OSD

62: voice processor 70: integrator

80: DC level detector

A feature of the present invention for achieving the above object is to output a predetermined signal to the image processor according to the input operation control signal to display the OSD corresponding to the input signal on the CRT screen and the input operation control signal A television comprising a voice processor for amplifying a voice signal to a predetermined size and outputting a voice signal from a broadcast signal received by the tuner, the voice output level setting mode key for setting the television to the audio output level setting mode and the preset voice output. An operation mode selector including a voice output level selection key for selecting a level, a voice output level detector for detecting a voice output level control signal input to the voice processor, and a signal output from the voice output level detector Memory to be recorded and the voice output level setting mode key input Record the set voice output level control signal in the memory and apply an operation control signal to the OSD unit according to the voice output level selection key input to display the selected voice output level on the CRT. And control means for outputting an operation control signal corresponding to the selected voice output level to the voice processor.

An additional feature of the present invention for realizing the above object is that the voice output level detector includes an integrator for integrating a voice output level control signal input to a voice processor, and a DC level for detecting a DC level in the signal integrated by the integrator. It includes a detector.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

Fig. 2 is a block diagram showing the configuration of a television equipped with an audio output level selection system according to the present invention.

The television has a large input unit 10 and a remote controller 20a for selecting various operation modes as well as an audio output level setting mode, and infrared signals according to various operation modes output from the remote controller 20a. In the microcomputer 30 to control the overall operation of the TV by the remote control key signal input unit 20b, the signal input from the key input unit 10 or the remote control key signal input unit 20b, and the microcomputer 30 The tuner 40 receives the broadcast signal of the channel selected by the output tuning voltage from the antenna ANT, and detects the video signal from the broadcast signal received by the tuner 40, and amplifies the video signal to a predetermined size, thereby obtaining a CRT (56). Outputs a predetermined signal to the image processor 52 according to the operation processor signal input from the microcomputer 30 and the microprocessor 30 to correspond to the above-mentioned signals on the screen of the CRT 56. OSD (On Screen Display) unit 58 to display and the voice processor 62 for detecting the audio signal from the broadcast signal received by the tuner 40, amplified to a predetermined size and output to the speaker 66 And an integrator 70 for integrating a pulse width modulation (PWM) signal, which is a voice output level control signal output from the microcomputer 30 to the voice processor 62, and a DC in the signal integrated by the integrator 70. A DC level detector 80 for detecting a level, and a memory 35 in which various data according to the operation of the microcomputer 30 and a signal output from the DC level detector 80 are recorded.

The voice output level setting mode button for setting the audio output level according to the genre and time of the program and the voice output level selected in the voice output level setting mode are recorded on the remote controller 20a or the key input unit 10. The output level selection button is provided.

When the user presses a voice output level setting mode button included in the remote controller 20a or the key input unit 10 while watching an arbitrary program at an arbitrary time, the microcomputer 30 controls the remote controller 20a or the key input unit ( The operation control signal is output to the OSD unit 58 on the basis of the audio output level setting mode signal output from 10). In this case, the operation control signal output to the OSD unit 58 is a signal for displaying the voice output level selected by the user using the remote controller 20a or the key input unit 10 on the screen of the CRT 56. .

As described above, when the user sets the audio output level setting mode to select the audio output level so as to obtain an optimum listening effect, and then presses the voice output level selection button, the microcomputer 30 outputs from the voice output level selection button. Recognizing the signal to be recorded, the data corresponding to the DC level detected by the DC level detector 80 is recorded in the memory 35.

According to another program or time, the user can record a voice signal in the manner described above.

As described above, when the user presses a voice output level selection button provided on the remote controller 20a or the key input unit 10 according to the genre of the program and the viewing time zone, the microcomputer 30 recognizes this and displays the OSD unit. By operating 58 to display a plurality of preset voice output levels on the screen of the CRT 56, each time the user presses the voice output level selection button. Levels are cycled through in a predetermined order and are selected.

The microcomputer 30 reads the operation control signal corresponding to the voice output level selected by the above process from the memory 35 and outputs the operation control signal to the voice processor 62, and the voice processor 62. ) Controls the voice signal output from the tuner 40 to a predetermined size according to the voice output level control signal output from the microcomputer 30 to output to the speaker 66.

Therefore, according to the present invention, the user can obtain an optimal listening effect according to the genre and the viewing time of the program to be watched by simple key operation.

According to the present invention operated as described above, the user can select the audio output level to obtain the optimal listening effect according to the genre and the viewing time of the program to be viewed by simple key operation, so that the convenience and satisfaction of using the television can be achieved. There is an effect of improving the sex.

Claims (2)

The OSD unit outputs a predetermined signal to the image processor according to the input operation control signal and displays the corresponding signal on the CRT screen, and the audio signal from the broadcast signal received by the tuner by the input operation control signal. In a television comprising a voice processor for amplifying a to a predetermined size and outputting to a speaker: An operation mode selection unit including a voice output level setting mode key for setting the television to the audio output level setting mode and a voice output level selection key for selecting a preset voice output level; A voice output level detector for detecting a voice output level control signal input to the voice processor; A memory in which a signal output from the audio output level detector is recorded; When the voice output level setting mode key is input, the voice output level control signal is set in the memory, and an operation control signal is applied to the OSD unit according to the voice output level selection key input to output a voice selected from a plurality of preset voice output levels. And a control means for displaying the level on the CRT and outputting an operation control signal corresponding to the selected audio output level to the audio processor. The apparatus of claim 1, wherein the voice output level detector comprises an integrator for integrating a voice output level control signal input to a voice processor and a DC level detector for detecting a DC level in a signal integrated by the integrator. The audio output level selection system of the television.