KR100203049B1 - Television reciever adopting selected voice output function - Google Patents

Abstract

The present invention relates to a television receiver having a selective audio output function such that only a specific voice selected by a viewer is output from a plurality of voices broadcasted by a television. The present invention relates to a voice receiver for detecting a voice signal and a voice signal detected by the voice detector. In a television receiver having a voice processing unit for executing voice processing such as bass, treble, balance, and the like, and a control unit for controlling the entire apparatus according to a command operated by a viewer, A voice characteristic detector for detecting a voice characteristic of a signal output from the voice detector as a output mode is set, a selective voice data storage unit for storing voice characteristic data output from the voice characteristic detector by the controller, and the Voice that passes only frequencies of all bands or specific bands under the control of the controller And a selector, wherein the controller controls the voice selector based on a voice characteristic output by driving the voice characteristic detector in a selective voice output mode.

Description

TV receiver with optional audio output

1 is a diagram for explaining a control operation of a microprocessor in a conventional TV receiver.

2 to 4 are block diagrams showing the internal structure of a television receiver having a selective audio output function according to the present invention.

* Explanation of symbols for main parts of the drawings

1: antenna 2: tuner

3: IF amplification part 4: P / S separation part

5: voice detector 6: video detector

7: voice processing unit 8: voice amplifying unit

9: speaker 10: image processing unit

11: CRT drive unit 12: CRT

13: remote control device 14: receiver

15,215,315,415: Microprocessors

16: PWM generator 210,310,410: voice characteristic detector

211,312,412: F / V converter 212,311,413: A / D converter

220: selection voice data storage unit 230, 330, 430: voice selection unit

231,331,431: Switch part 232,332,411,432: Filter part

The present invention relates to a television receiver for detecting and outputting video and audio signals emitted by a broadcasting station for television broadcasting, and in particular, an optional audio output function for outputting only a specific voice selected by a viewer from among various types of audio broadcasted on television. Relates to a television receiver equipped with a.

In general, a microprocessor provided in a television receiver (hereinafter referred to as a TV) is configured to execute a control operation for the entire apparatus based on a user's control command or a control program set in itself. It is a figure for demonstrating the control operation of the microprocessor in a receiver.

In FIG. 1, reference numeral 1 denotes an antenna for receiving an over-the-air broadcast signal, and 2 denotes a tuner for tuning a broadcast signal of a channel selected by a user among broadcast signals received through the antenna 1; Is an IF amplifying unit for amplifying an IF (Intermediate Frequency) signal output from the tuner 2, and 4 is an image intermediate frequency signal (PIF) and an audio intermediate frequency signal (IF) from the IF signal output from the IF amplifier 3 ( A P / S separation unit configured to separate SIF), for example, a surface acoustic wave filter, etc., 5 is a voice detector for detecting a voice signal from the SIF signal output from the P / S separation unit 4, and 6 is a P / S separation unit. An image detector detects a video signal.

Also, reference numeral 7 denotes a bass, treble, and balance for the voice signal detected by the voice detector 5 according to a predetermined control signal from the microprocessor 15 which will be described later. 8 is a voice amplifier which amplifies the voice signal processed by the voice processor 7 and outputs it to the speaker 9 connected to the rear stage.

Reference numeral 10 denotes image processing such as color, tint, brightness, or the like for the image signal output from the image detector 6 according to a predetermined control signal from the microprocessor 15. An image processor for outputting R (Red), G (Green), and B (Blue) signals corresponding to an image signal, and 11 denotes a CRT (Cathode Ray) based on an RGB signal output from the image processor 10. CRT driving unit for driving the tube (12).

On the other hand, reference numeral 13 is a remote control device for the viewer to remotely control the operation of the overall device, 14 is a receiving unit for converting the far-infrared signal transmitted from the remote control device 13 into an electrical code signal, 15 is the remote control device ( Microprocessor which executes a control operation for the entire apparatus in accordance with the remote control signal from step 13).

In addition, reference numeral 16 denotes a PWM generator which generates a predetermined pulse width modulation (PWM) signal according to a control signal from the microprocessor 15, and a base and a treble ( A PWM generation circuit (not shown) necessary for voice processing control such as treble and balance is provided. 17 denotes a predetermined level signal by integrating respective PWM signals output from the PWM generation unit 16, respectively. And an integrated circuit (not shown) for integrating the PWM signal output from each component of the PWM generator 16 therein.

That is, in the device having the above-described configuration, the microprocessor 15 outputs a predetermined control signal corresponding to the remote control operation of the user through the corresponding port for adjusting the voice output of the user, and generates a corresponding PWM according to the control signal. The PWM signal is generated from the circuit and the integrated audio signal is controlled so that the user can control the bass, treble, and balance through the remote control to set the voice output state to his or her taste. You can adjust the voice output status such as (Balance).

TVs operated in this way can be regarded as the most popular medium for indirect experience in the modern society that changes and develops differently every day, and human beings want to see more realistic and realistic images and sounds. There is a demand for more active services in the environment or in situations.

For example, in some cases, a user may want to concentrate on one voice among several voices broadcast during TV viewing for a certain reason.

Accordingly, the present invention has been made in view of the above circumstances, and has a selective voice output function for recognizing only a specific voice among a plurality of voices having different tones and removing other voices so as to output only a desired voice. The purpose is to provide a water phase.

In order to achieve the above object, the present invention provides a voice detector for detecting a voice signal, and performs voice processing such as bass, treble, and balance on the voice signal detected by the voice detector. In a television receiver having a voice processing unit and a control unit for controlling the entire apparatus according to a command operated by a viewer, a voice characteristic for detecting a voice characteristic of a signal output from the voice detector as the selective voice output mode is set. A detection unit, a selection voice data storage unit for storing the voice characteristic data output from the voice characteristic detection unit by the control unit, and a voice selection unit for passing only frequencies of all bands or specific bands under the control of the control unit; The controller drives the voice characteristic detector in the selective voice output mode and outputs the voice characteristic. On the basis of characterized in that to control the audio selection unit.

That is, according to the present invention having the above-described configuration, only a specific voice is recognized and a different voice is removed from the plurality of voices, thereby outputting only the voice desired by the user.

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention.

2 to 4 are block diagrams showing the internal structure of a television receiver having a selective audio output function according to the present invention. Like reference numerals will be used to designate like elements, and detailed description thereof will be omitted. .

2 is a block diagram showing the internal configuration of a television receiver having a selective voice output function according to an embodiment of the present invention, reference numeral 210 denotes an output from the voice detector 5 as the selective voice output mode is set. A voice characteristic detector for detecting a voice characteristic of a signal to be used, and this voice characteristic detector 210 includes an F / V (Frequency / Voltage) converter for converting a frequency signal output from the voice detector 5 into a voltage signal. 211 and an A / D (Analog / Digital) conversion unit for converting the analog signal output from the F / V conversion unit 211 into a digital signal.

In addition, reference numeral 215 controls the entire apparatus according to a command manipulated by a viewer, and in particular, a voice to be described later based on the voice characteristic output by driving the voice characteristic detector 210 in the selective voice output mode. A microprocessor for controlling the unit 230, and 220 is a selected voice data storage unit for storing the voice characteristic data output from the voice characteristic detector 210 by the microprocessor 215.

A reference numeral 230 denotes a voice selector for passing only frequencies of all bands or specific bands under the control of the microprocessor 215. The voice selector 220 includes a filter unit for filtering frequencies of different bands. 232 and a switch unit 231 for driving the filter unit 232 under the control of the microprocessor 215 is provided.

Here, the filter unit 232 is composed of a filter (F) for passing the output of the voice detector 5 as it is, and a plurality of filters (F) for passing only different predetermined frequency bands.

Next, the operation of the device having the above configuration will be described.

First, when the viewer makes a key input for setting the selective voice output mode to listen to a specific voice only during listening, the microprocessor 215 drives the voice characteristic detector 210 to attain a characteristic of the voice signal input from the voice detector 5. This is detected and stored in the selected voice data storage 220.

Then, the microprocessor 215 controls the switch unit 213 of the voice selector 230 to filter only the corresponding frequency band based on the voice characteristic and then output the voice processor 7.

In more detail, as the selective voice output mode is set and the F / V converter 211 of the voice characteristic detector 210 is operated, the voice signal of the frequency type output from the voice detector 5 is voltage-type. The A / D converter 212 converts the signal into a digital signal and transmits the converted digital signal to the microprocessor 215.

The microprocessor 215 stores the characteristics of the digitized voice signal in the selected voice data storage 220 and controls the switch unit 231 to drive the filter F corresponding thereto. Of the outputs of the detector 5, only the frequency corresponding to the voice characteristic detected by the voice characteristic detector 210 is transmitted to the voice processor 7.

3 is a block diagram showing the internal structure of a television receiver having a selective audio output function according to another embodiment of the present invention, the same reference numerals are assigned to the same components as in FIG. 2, and the detailed description thereof will be omitted. .

In FIG. 3, reference numeral 330 basically transmits the output of the voice detector 5 to the voice processor 7, but outputs only a specific voice band under the control of the microprocessor 315 when the selective voice output mode is set. The voice selector includes a switch unit 331 which is switched under the control of the microprocessor 315 and a plurality of filter units 332 which pass a frequency of a predetermined band according to the driving of the switch unit 331. .

Reference numeral 310 denotes a voice characteristic detector for detecting a voice characteristic of a signal output from the voice detector 5, and an optional voice output mode is set so that the filter unit 332 of the voice selector 330 is used. A plurality of F / V converters 311 sequentially converting frequencies output for a predetermined time into a voltage signal, and a digital processor 315 may recognize the outputs of the F / V converters 311. A / D conversion section 312 for converting into a signal.

Therefore, the microprocessor 315 recognizes the largest signal level among the signal levels output from the voice characteristic detector 310 and controls a switch to drive the corresponding filter of the voice selector 330.

4 is a block diagram showing the internal structure of a television receiver with a selective audio output function according to another embodiment of the present invention, the same reference numerals are assigned to the same components as in FIG. Shall be.

In FIG. 4, reference numeral 410 denotes a voice characteristic detector for detecting a voice characteristic of the signal output from the voice detector 5. When the selective voice output mode is set, the output of the voice detector 5 is multi-band. A filter unit 411 for separating the frequency of the signal, an F / V converter 412 for converting the output of the filter unit 411 into a voltage signal, and A for converting the analog voltage signal into a digital signal. It consists of a / D conversion unit.

Further, reference numeral 415 is a microprocessor for determining a frequency band corresponding to a voice signal having the highest level among voice signals at the time of setting the selective voice output mode by the viewer based on the output of the voice characteristic detector 410. Basically, the output of the voice detector 5 is transmitted to the voice processor 7, and when the selective voice output mode is set, the voice selector outputs only a specific voice band under the control of the microprocessor 415. The switch unit 431 is switched under the control of 415 and a plurality of filter units 432 passing a frequency of a predetermined band according to the driving of the switch unit 431.

According to the present invention described through various embodiments described above, only a voice desired by a user is output by recognizing and processing only a specific voice among a plurality of voices having different tones.

In addition, this invention is not limited to the said Example, It can variously deform and implement within the range which does not deviate from the technical summary of this invention.

Claims (4)

A voice detector for detecting a voice signal, a voice processor for executing voice processing such as bass, treble, and balance on the voice signal detected by the voice detector, a command operated by a viewer In the television receiver having a control unit for controlling the entire apparatus according to the present invention, a voice characteristic detection unit for detecting a voice characteristic of the signal output from the voice detector as the selective voice output mode is set, the voice characteristic by the controller A selection voice data storage unit for storing voice characteristic data output from the detection unit, and a voice selection unit for passing only frequencies of all bands or specific bands under the control of the controller, wherein the controller is configured to perform the voice in the selective voice output mode. The voice selector may be controlled based on the voice characteristic output by driving the feature detector. Selective television receiver equipped with a sound output function which comprises. 2. The voice signal detector of claim 1, wherein the voice characteristic detector comprises: an F / V (Frequency / Voltage) converter for converting a frequency signal output from the voice detector into a voltage signal, and an analog signal output from the F / V converter. And an analog / digital (A / D) conversion unit for converting a digital signal into a digital signal. The apparatus of claim 1, wherein the voice selector comprises a filter unit for filtering frequencies of different bands, and a switch unit for driving the filter unit under the control of the controller. TV receiver. 4. The selective voice output function of claim 3, wherein the filter unit comprises a first filter through which the output of the voice detector is passed, and a plurality of second filters through only different predetermined frequency bands. TV receiver.