KR19990004334A - Delay Method for Main / Sub Voice Selection in Voice Multiple TV Receivers - Google Patents

Abstract

The present invention receives a broadcast signal in which a main audio signal of a first language zone and a sub-audio signal of a second language zone corresponding to the main audio signal are mixed with a video signal and selectively listens to a voice signal corresponding to an arbitrary language zone. The present invention relates to a method of outputting an audio signal externally output from a multiplex television receiver, the method comprising: separating a main audio signal and a sub audio signal from an audio signal detected from a received broadcast signal; A second process of selecting a language zone of an externally expressed voice signal among the separated main audio signal and the sub-audio signal; and a third process of determining an output order of the plurality of signals when a plurality of voice signals are simultaneously selected through the second process And a voice signal output afterwards according to the determination of the third process is a predetermined time with respect to the pre-output voice signal. There is an effect of preventing performance degradation due to mutual interference of a plurality of audio signals by a main / second voice selection delay method in a multiplex television receiver comprising a fourth process of delayed output.

Description

A method for delaying main / second voice selection in a voice multiple television receiver.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a main / sub voice conversion processing method in an audio multiple television receiver. In particular, the present invention relates to mutual interference of a plurality of audio signals by outputting a predetermined time delay of a predetermined voice signal when listening to main / sub audio signals simultaneously. The present invention relates to a main / second voice selection delay method in an audio multiple television receiver capable of preventing performance degradation.

In general, as the society becomes more specialized, diversified and informatized, it is noticeable that a great deal of effort is put into the orientation of language ability. At the same time, modern people are under a lot of stress for a number of reasons, so they have a strong desire for language learning and a relatively small number of people who invest their time and effort.

Therefore, in order to meet the needs of modern people who want to get the opportunity of language learning without being stressed, TV stations broadcast additional languages other than those used by their own people in certain programs (e.g. movies). Techniques have been proposed to allow this to be used selectively.

The television receiver proposed by this technique is often referred to as an audio multiplex television receiver (hereinafter referred to as an audio multiplex TV), and its configuration is shown by the operation of the key input unit 220 as shown in FIG. The broadcast signal of the channel selected by the microcomputer 200 for controlling the overall operation of the TV, the memory 240 for storing data to be processed by the microcomputer 200, and the preset voltage output from the microcomputer 200. Tuner 100 receiving an antenna from an antenna ANT, an image processor 300 for processing an image signal of a broadcast signal received by the tuner 100, and an image signal output from the image processor 300. A number for deflecting the vertical synchronizing signal and the horizontal synchronizing signal of the image signal displayed on the screen of the CRT 400 by the image amplifying unit 320 to amplify and the vertical / horizontal synchronizing signal processed by the image processor 300. The audio signal of the broadcast signal received by the tuner 100 and the CRT 400 which receives the image signal output from the image amplifying unit 320 and the vertical / horizontal synchronization processor 340 and the image amplifier 320 are processed. A main processor 520 for separating and processing only a main audio signal (for example, Korean) from the voice signal processed by the voice processor 500, and the voice processor 500 A sub-voice processor 540 which separates and processes only a sub-voice signal (eg, a foreign language) from a voice signal, and the main / sub-audio signal processed by the main audio processor 520 and the sub-audio processor 540 to a predetermined level. Amplifying and outputting the audio amplifier 560 for selecting only one of the input signals or a plurality of signals according to a control signal, and outputting the audio signal output from the voice amplifier 560. Speaker 600 and phase The voice amplification unit 560 is largely composed of a voice switch unit 580 for providing a control signal for the selection operation.

In the general voice multiplex TV configured as described above, when a viewer selects a channel to be watched by manipulating the key input unit 220, the microcomputer 200 recognizes the generated channel voltage and applies it to the tuner 100. . Accordingly, the tuner 100 receives the broadcast signal of the channel selected by the tuner voltage generated by the microcomputer 200 from the free space through the antenna ANT to the image processor 300 and the audio processor 500. Input the broadcast signal.

Accordingly, the image processor 300 processes only the image signal from the broadcast signal input from the tuner 100 by the control signal of the microcomputer 200 and supplies the processed image signal to the image amplifier 320. Since the image amplifier 320 amplifies the image signal to a level that can be displayed on the screen of the CRT 400 and supplies the image signal to the CRT 400, the image signal transmitted from the broadcasting station to the free space is displayed on the screen. To watch the video signal.

In this case, the vertical / horizontal synchronization processor 340 deflects the image signal displayed on the screen of the CRT 400 in the vertical direction and the horizontal direction based on the vertical synchronization signal and the horizontal synchronization signal processed by the image processor 300.

In addition, the voice processor 500 processes and outputs a signal in which a video signal is excluded from a broadcast signal input from the tuner 100.

The main voice processor 520 separates and processes only the main voice signal (for example, Korean) from the voice signal processed by the voice processor 500 of the front end and inputs the input to the voice amplifier 560, and the sub-voice processor 540. ) Separates only the sub-audio (eg, foreign language) signal from the voice signal processed by the voice processor 500 of the front end, and inputs the negative signal to the voice amplifier 560.

In this case, the voice amplifier 560 selects one of a plurality of voice signals provided to the main audio processor 520 and the sub-audio processor 540 according to a selection control signal output from the voice switch unit 580 or a plurality of voices. A signal is selected and the selected voice signal is amplified and expressed through the speaker 600. When the user selects the main audio signal output mode, the negative audio signal output mode or the multiple signal simultaneous output mode through the key input unit 220, the signal input to the voice switch unit 580 is output accordingly. Is a signal.

However, when a plurality of audio signals are simultaneously output as described above, the plurality of audio signals correlate with each other, resulting in deterioration of output characteristics of all of the plurality of audio signals, and simultaneously listening to the main voice and the sub-audio. There was a problem that it is not easy to give the user a discomfort.

An object of the present invention for solving the above-described problems is to output a predetermined time delayed predetermined voice signal for a certain time when simultaneously listening to the main / secondary voice signal to prevent performance degradation due to mutual interference of a plurality of voice signals. The present invention provides a method for delaying main / second voice selection in a voice multiple television receiver.

1 is a block diagram illustrating a conventional voice multiple television receiver.

2 is a block diagram of a voice multiple television receiver according to the present invention.

Explanation of symbols for main parts of the drawings

ANT: antenna 100: tuner

200: microcomputer 220: key input unit

240: memory 300: image processor

320: Image amplification unit 340: Vertical / horizontal synchronization processing unit

400: CRT 500: Voice Processor

520: main audio processing unit 540: sub-audio processing unit

560: voice amplifier 580: voice switch unit

600: speaker 700a, 700b: delay unit

A feature of the present invention for achieving the above object is to selectively receive a broadcast signal in which a main audio signal of a first language zone and a sub-audio signal of a second language zone corresponding to the main audio signal are mixed with a video signal. A method of outputting an audio signal externally output from an audio multiplex television receiver capable of listening to a speech signal corresponding to a language region, the method comprising: separating a main audio signal and a sub-audio signal from an audio signal detected in a received broadcast signal; A first process, a second process of selecting a language range of an externally expressed voice signal among the main audio signal and the sub-audio signal separated in the process; and a plurality of voice signals are simultaneously selected through the second process, and a pre-output voice signal The third process of determining, and according to the determination of the third process the audio signal that is output after the pre-output voice signal A predetermined set group with respect to the (ⅱ) comprising a fourth step for outputting the delay time.

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

2 is an exemplary block diagram of a multiplex television receiver according to the present invention, in which a user is provided with a plurality of keys according to various operation modes (channel, volume, audio output mode, etc.) of a user, and a predetermined operation is performed in the operation mode. A key input unit 220 for selecting a mode, a microcomputer 200 for controlling overall operation of the TV by the operation of the key input unit 220, and a memory for storing data to be processed in the microcomputer 200 A tuner 100 for receiving a broadcast signal of a channel selected by the tuning voltage output from the microcomputer 200 from the antenna ANT, and a video signal of the broadcast signal received by the tuner 100. The image processor 300 to process the image, the image amplifier 320 for amplifying the image signal output from the image processor 300, and the vertical / horizontal synchronization signal processed by the image processor 300 CRT ( 400) a vertical / horizontal synchronization processor 340 for deflecting a vertical synchronization signal and a horizontal synchronization signal of a video signal displayed on a screen; and a CRT (CRT) configured to receive a video signal output from the image amplifier 320 and display it on a screen; 400, a voice processor 500 for processing a voice signal of a broadcast signal received by the tuner 100, and only a main voice signal (for example, Korean) is separated from the voice signal processed by the voice processor 500. A main audio processor 520 for processing, a sub-audio processor 540 for separating and processing only a sub-audio signal (for example, a foreign language) from the voice signal processed by the voice processor 500, and an output from the microcomputer 200. Delay unit 700a, 700b for delaying the voice signal input by the operation control signal to be a predetermined time, amplified data output from the main audio processing unit 520 and the sub-audio processing unit 540 to a predetermined level Output A voice amplifier 560 for selecting only one of the signals input or outputting a plurality of signals according to a signal, a speaker 600 for receiving and outputting a voice signal output from the voice amplifier 560, and the voice. The amplifier 560 is largely composed of a voice switch unit 580 for providing a control signal for the selection operation.

The operation related to the selection delay processing process of the housewife's audio signal in the multiplex TV receiver according to the present invention configured as described above will be described below.

The key input unit 220 includes a key for selecting a voice output mode of the television, and the voice output mode is divided into a main audio output mode, a sub audio output mode, and a plurality of voice signal simultaneous output modes. Simultaneous voice signal output mode is subdivided into main audio delay mode, sub-audio delay mode and original sound output mode.

When the user selects a channel to be watched through the key input unit 220, the microcomputer 200 that recognizes the channel is generated and applied to the tuner 100. Accordingly, the tuner 100 receives the broadcast signal of the channel selected by the tuning voltage generated by the microcomputer 200 from the free space through the antenna ANT and broadcasts it to the image processor 300 and the audio processor 500. Input the signal.

Accordingly, the image processor 300 processes only the image signal from the broadcast signal input from the tuner 100 by the control signal of the microcomputer 200 and supplies the processed image signal to the image amplifier 320. Since the image amplifier 320 amplifies the image signal to a level that can be displayed on the screen of the CRT 400 and supplies the image signal to the CRT 400, the image signal transmitted from the broadcasting station to the free space is displayed on the screen. To watch the video signal.

In addition, the voice processor 500 processes a signal from which a video signal is excluded from the broadcast signal input from the tuner 100. When the currently tuned broadcast is a voice multicast broadcast, the voice processor 500 converts the input signal into a main audio signal and a sub-audio signal. After separation, it is provided to the corresponding main audio processing unit 520 and the sub audio processing unit 540, respectively.

That is, the main voice processor 520 receives a main voice signal (eg, Korean) that is processed and output by the voice processor 500 of the front end, performs a signal signal processing, and outputs the sub-voice processor 540. Like the main audio processor 520 described above, a sub-audio (for example, foreign language) signal is input to perform a series of signal processing and output.

The signal output from the main audio processor 520 and the sub-audio processor 540 is sent to the voice amplifier 560 for selectively amplifying a predetermined voice by an operation control signal input from the voice switch unit 580. The signal amplified by the voice amplifier 560 is output through the speaker 600.

In this case, after the user selects a plurality of voice signal simultaneous output modes through the key input unit 220 and selects the main audio delay mode, the microcomputer 200 applies an operation signal to the delay unit 700a for delaying the main audio signal. The main audio signal is delayed by a predetermined time compared to the sub-audio signal. When the user selects the sub-audio delay mode, the microcomputer applies an operation signal to the delay unit 700b that delays the sub-audio signal. The predetermined time delay is compared with the voice.

Therefore, since the main voice and the sub-audio output from the speaker 600 are output at predetermined time intervals, the plurality of voices are clearly output without causing interference.

Providing the housewife voice selection delay processing system in the voice multiple television receiver according to the present invention operating as described above does not cause the voice output deterioration due to the correlation of a plurality of voice signals generated in the prior art, so as to listen to the user. Satisfaction is improved.

Claims (1)

The main audio signal of the first language zone and the sub-audio signal of the second language zone corresponding to the main audio signal may receive a broadcast signal mixed with the video signal to selectively listen to a voice signal corresponding to an arbitrary language zone. In the audio multiple TV receiver to output the audio signal to the outside, A first step of separating the main audio signal and the sub-audio signal from the sound signal detected from the received broadcast signal; A second process of selecting a language range of an externally expressed voice signal among the main audio signal and the sub-audio signal separated in the above process; A third process of determining a pre-output voice signal when a plurality of voice signals are simultaneously selected through the second process; And According to the determination of the third process, the audio signal to be output later includes a fourth process of delaying and outputting a predetermined time set for the pre-output voice signal. Delay handling method.