KR20000045189A - Channel selection device by speech recognition in television reciver - Google Patents
Channel selection device by speech recognition in television reciver Download PDFInfo
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- KR20000045189A KR20000045189A KR1019980061740A KR19980061740A KR20000045189A KR 20000045189 A KR20000045189 A KR 20000045189A KR 1019980061740 A KR1019980061740 A KR 1019980061740A KR 19980061740 A KR19980061740 A KR 19980061740A KR 20000045189 A KR20000045189 A KR 20000045189A
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- 230000005236 sound signal Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 2
- 230000005465 channeling Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
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Abstract
Description
본 발명은 텔레비젼 수상기에서 특정 출연자의 음성신호를 저장한 후 해당 음성신호가 검출되면 그 채널로 자동으로 전환시켜주는 음성인식에 의한 채널 선국장치에 관한 것이다.The present invention relates to a channel selection apparatus by voice recognition, which stores a voice signal of a specific performer in a television receiver and automatically switches to the channel when the voice signal is detected.
널리 알려진 바와 같이, 텔레비젼 수상기는 방송국에서 송신한 무선신호 혹은 케이블TV, 외부 A/V입력등을 수신하여 영상을 화면으로 표시해 주는 장치로서, 사용자가 리모콘 송신기나 키 매트릭스를 조작하여 방송채널, 볼륨, 콘트라스트, 휘도등을 선택 및 조절할 수 있도록 되어 있다.As is widely known, a television receiver is a device that receives a wireless signal transmitted from a broadcasting station, a cable TV, an external A / V input, etc., and displays an image on the screen. , Contrast, brightness, etc. can be selected and adjusted.
도 1은 일반적인 2-튜너 방식의 텔레비젼 수상기를 도시한 블록도이다. 종래의 텔레비젼 수상기는 도 1에 도시된 바와 같이, 제1 튜너(102a), 제2 튜너(102b), IF 및 신호처리부(104), 영상처리부(106), CRT(108), 음성처리부(110), 스피커(112), 마이콤(114), 리모콘 수신부(116), 리모콘송신기(118)로 구성되어 2개의 방송을 동시에 수신하여 PIP방식으로 동시에 혹은 어느 하나의 방송만 시청할 수 있도록 되어 있다.1 is a block diagram showing a typical two-tuner television receiver. A conventional television receiver has a first tuner 102a, a second tuner 102b, an IF and signal processor 104, an image processor 106, a CRT 108, and an audio processor 110, as shown in FIG. ), The speaker 112, the microcomputer 114, the remote control receiver 116, the remote control transmitter 118 is configured to receive two broadcasts at the same time to view only one broadcast at the same time or PIP method.
도 1에 있어서, 제1 및 제2 튜너(102a,102b)는 안테나(ANT)로부터 고주파(RF) 방송신호를 입력받아 마이콤(114)으로부터 입력되는 소정의 선국신호에 따라 선택된 채널의 중간주파(IF)신호를 출력하고, IF 및 신호처리부(104)는 2채널의 중간주파신호를 복조하여 복합영상신호와 FM변조된 음성신호를 각각 출력한다.In FIG. 1, the first and second tuners 102a and 102b receive a high frequency (RF) broadcast signal from an antenna ANT and receive an intermediate frequency of a channel selected according to a predetermined channel signal input from the microcomputer 114. IF) signal, and the IF and signal processor 104 demodulate the intermediate frequency signals of the two channels and output the composite video signal and the FM modulated audio signal, respectively.
음성처리부(110)는 IF복조 및 신호처리부(104)로부터 FM변조된 음성신호를 입력받아 제1 채널(4.5MHz) 음성신호와 제2 채널(4.72MHz) 음성신호로 각각 복조하고, 복조된 음성신호를 매트릭스회로에서 음성 모드에 따라 처리한 후 R 채널과 L 채널 스피커(112)로 출력한다.The voice processing unit 110 receives the FM modulated voice signal from the IF demodulation and signal processing unit 104 and demodulates the first channel (4.5 MHz) voice signal and the second channel (4.72 MHz) voice signal, respectively, and demodulates the voice signal. The signal is processed in the matrix circuit according to the voice mode and then output to the R and L channel speakers 112.
영상처리부(106)는 복합영상신호(composite video)에서 수직 및 수평 동기를 분리하고, 휘도신호(Y)와 색차신호(C)를 분리한 후 매트릭스 처리하여 R,G,B 신호를 출력하여 CRT(108)에서 디스플레이되게 한다.The image processing unit 106 separates vertical and horizontal synchronization from the composite video signal, separates the luminance signal Y from the color difference signal C, and processes the matrix to output R, G, and B signals to output the CRT. To be displayed at 108.
마이콤(114)은 리모콘 수신부(116)와 리모콘 송신기(118)를 통해 입력되는 사용자의 제어나 도시되지 않은 키매트릭스를 통해 입력되는 사용자의 제어에 따라 시스템의 작동을 제어하는데, 채널선국신호를 튜너(102a,102b)로 출력하여 방송채널을 선택하게 하고, 휘도(Brightness), 콘트라스트(Contrast), 샤프니스(SHARPNESS), 칼라(COLOR), 틴트(TINT)등과 같은 화질제어신호를 영상처리부(106)로 출력하여 화질을 제어한다. 그리고 볼륨(Volume), 고음(treble), 저음(bass), 발란스(balance)등과 같은 사운드제어신호를 음성처리부(110)로 출력하여 음질을 제어한다. 여기서, 마이콤(114)은 내부에 각종 레지스터와 롬(ROM), 램(RAM)을 내장하고 있으나 필요에 따라 외부에 메모리를 두고 사용할 수도 있다.The microcomputer 114 controls the operation of the system according to the user's control input through the remote control receiver 116 and the remote control transmitter 118 or the user's control input through a key matrix (not shown). Outputs to 102a and 102b to select a broadcast channel, and the image processing unit 106 receives image quality control signals such as brightness, contrast, sharpness, color, tint, and the like. To control the image quality. In addition, the sound control signal such as volume, treble, bass, balance, and the like is output to the voice processor 110 to control sound quality. Here, the microcomputer 114 has various registers, ROMs, and RAMs therein, but may be used by leaving a memory outside as necessary.
그런데 종래의 텔레비젼에서는 사용자가 리모콘 키나 키매트릭스의 선국 키를 눌러 원하는 방송을 선정할 경우에 통상 채널 2부터 순차적으로 선국하도록 되어 있거나 현재 채널로부터 순차적으로 채널을 증가 혹은 감소시켜 선국하도록 되어 있다. 따라서 원하는 채널이 현재 채널로부터 멀리 떨어진 경우에는 선국하는데 시간이 오래 걸리고, 키조작이 상대적으로 많아지는 문제점이 있다.However, in a conventional television, when a user selects a desired broadcast by pressing a remote control key or a tuning key of a key matrix, the user typically selects a channel from channel 2 or selects a channel by increasing or decreasing the channel sequentially from the current channel. Therefore, when the desired channel is far from the current channel, it takes a long time to tune, and there is a problem that the key operation is relatively large.
이에 본 발명은 상기와 같은 문제점을 해소하기 위하여 안출된 것으로, 원하는 출연자의 음성을 미리 저장한 후 다른 방송을 시청하는 중에 저장된 출연자의 음성이 수신되는 경우 그 채널로 자동으로 전환하여 원하는 출연자가 나오는 채널을 쉽게 선국할 수 있도록 된 텔레비젼 수상기에서 음성인식에 의한 채널선국장치를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made in order to solve the above problems, the voice of the desired performer is stored in advance, and when the stored performer's voice is received while watching another broadcast, the desired performer is automatically switched to the channel. SUMMARY OF THE INVENTION An object of the present invention is to provide a channel selection apparatus using voice recognition in a television receiver capable of easily tuning a channel.
상기와 같은 목적을 달성하기 위하여 본 발명의 장치는, 제1 튜너에 의해 제1 채널의 영상 및 음성신호를 수신하여 시청할 수 있게 함과 동시에 제2 튜너에 의해 제2 채널의 영상 및 음성신호를 수신할 수 있도록 된 2-튜너 텔레비젼 수상기에 있어서,In order to achieve the above object, the apparatus of the present invention enables the first tuner to receive and view the video and audio signals of the first channel, and at the same time, the second tuner to receive the video and audio signals of the second channel. In a two-tuner television receiver capable of receiving,
제어신호에 따라 제1 채널의 음성신호를 저장하는 음성신호 저장수단; 상기 제2 채널을 통해 수신되는 음성신호를 검출하는 음성신호 검출부; 상기 음성신호 검출부를 통해 검출된 음성신호를 분석하는 음성신호 분석기; 상기 음성신호 분석기의 출력과 상기 음성신호 저장수단의 저장된 신호를 비교하는 음성신호 비교기; 및 사용자 제어에 따라 상기 음성신호 저장수단에 음성신호를 저장하게 제어신호를 제공함과 아울러 상기 음성신호 비교기로부터 음성일치신호가 수신되면 상기 제2 튜너의 방송을 수신할 수 있도록 상기 제1 튜너에 선국신호를 제공하는 마이콤을 포함하는 것을 특징으로 한다.Voice signal storage means for storing the voice signal of the first channel according to the control signal; A voice signal detector for detecting a voice signal received through the second channel; A voice signal analyzer for analyzing the voice signal detected by the voice signal detector; A voice signal comparator for comparing the output of the voice signal analyzer with a stored signal of the voice signal storage means; And providing a control signal to the voice signal storage means to store the voice signal according to a user control, and tuning to the first tuner to receive a broadcast of the second tuner when a voice match signal is received from the voice signal comparator. It characterized in that it comprises a microcomputer for providing a signal.
도 1은 일반적인 2-튜너 방식의 텔레비젼 수상기를 도시한 블록도,1 is a block diagram showing a conventional two-tuner television receiver;
도 2는 본 발명에 따른 2-튜너 방식의 텔레비젼 수상기를 도시한 블록도,2 is a block diagram showing a two-tuner television receiver according to the present invention;
도 3a는 채널선국을 위해 특정 음성을 저장하는 과정을 도시한 흐름도,3A is a flowchart illustrating a process of storing a specific voice for channel channeling;
도 3b는 본 발명에 따라 음성인식에 의해 채널을 선택하는 과정을 도시한 흐름도이다.3B is a flowchart illustrating a process of selecting a channel by voice recognition according to the present invention.
*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
202,214: 튜너 204,216: IF 및 신호처리부202, 214: tuner 204, 216: IF and signal processor
206: 영상처리부 208: CRT206: Image processing unit 208: CRT
210: 음성처리부 212: 스피커210: voice processor 212: speaker
218: 마이콤 220: 리모콘 수신부218: micom 220: remote control receiver
222: 리모콘 송신기 230: 음성인식부222: remote control transmitter 230: voice recognition unit
232: 음성신호 저장부 234: 음성신호검출부232: voice signal storage unit 234: voice signal detection unit
236: 음성신호 분석기 238: 음성신호 비교기236: voice signal analyzer 238: voice signal comparator
이하, 첨부된 도면을 참조하여 본 발명의 실시예를 자세히 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명이 적용되는 텔레비젼 수상기는 도 2에 도시된 바와 같이, 제1 튜너(202), 제2 튜너(214), 제1 IF 및 신호처리부(204), 제2 IF 및 신호처리부(216), 영상처리부(206), CRT(208), 음성처리부(210), 스피커(212), 음성인식부(230), 마이콤(218), 리모콘 수신부(220), 리모콘 송신기(222)로 구성되어 2개의 방송을 동시에 수신하여 PIP방식으로 동시에 혹은 어느 하나의 방송만 시청할 수 있도록 되어 있다.As shown in FIG. 2, a television receiver to which the present invention is applied includes: a first tuner 202, a second tuner 214, a first IF and a signal processor 204, a second IF and a signal processor 216, Image processing unit 206, CRT (208), voice processing unit 210, speaker 212, voice recognition unit 230, micom 218, remote control receiver 220, remote control transmitter 222 Receiving broadcasts at the same time can be viewed at the same time or only one broadcast in a PIP method.
도 2에 있어서, 제1 튜너(202)는 안테나(ANT)로부터 고주파(RF) 방송신호를 입력받아 마이콤(218)의 제1 선국신호에 따라 선택된 제1 채널의 중간주파(IF)신호를 출력하고, 제1 IF 및 신호처리부(204)는 제1 채널의 중간주파신호를 복조하여 복합영상신호와 FM변조된 음성신호를 각각 출력한다. 그리고 제2 튜너(214)는 안테나(ANT)로부터 고주파(RF) 방송신호를 입력받아 마이콤(218)의 제2 선국신호에 따라 선택된 제2 채널의 중간주파(IF)신호를 출력하고, 제2 IF 및 신호처리부(216)는 제2 채널의 중간주파신호를 복조하여 복합영상신호와 FM변조된 음성신호를 각각 출력한다.In FIG. 2, the first tuner 202 receives a radio frequency (RF) broadcast signal from an antenna ANT and outputs an intermediate frequency (IF) signal of a first channel selected according to the first channel selection signal of the microcomputer 218. The first IF and signal processor 204 demodulates the intermediate frequency signal of the first channel and outputs the composite video signal and the FM modulated audio signal, respectively. The second tuner 214 receives a radio frequency (RF) broadcast signal from the antenna ANT and outputs an intermediate frequency (IF) signal of a second channel selected according to the second tuned signal of the microcomputer 218, The IF and signal processor 216 demodulates the intermediate frequency signal of the second channel and outputs the composite video signal and the FM modulated audio signal, respectively.
영상처리부(206)는 복합영상신호(composite video)에서 수직 및 수평 동기를 분리하고, 휘도신호(Y)와 색차신호(C)를 분리한 후 매트릭스 처리하여 R,G,B 신호를 출력하여 CRT(208)에서 디스플레이되게 한다.The image processing unit 206 separates vertical and horizontal synchronization from the composite video signal, separates the luminance signal Y from the color difference signal C, and processes the matrix to output R, G, and B signals to output the CRT. To be displayed at 208.
음성처리부(210)는 제1 IF복조부 및 신호처리부(204)로부터 FM변조된 음성신호를 입력받아 제1 채널(4.5MHz) 음성신호와 제2 채널(4.72MHz) 음성신호로 각각 복조하고, 복조된 음성신호를 매트릭스회로에서 음성 모드에 따라 처리한 후 R 채널과 L 채널 스피커(212)로 출력한다.The voice processor 210 receives FM-modulated voice signals from the first IF demodulator and the signal processor 204 and demodulates the first channel (4.5 MHz) voice signal and the second channel (4.72 MHz) voice signal, respectively. The demodulated voice signal is processed in the matrix circuit according to the voice mode and then output to the R channel and L channel speaker 212.
본 발명에 따른 음성인식부(230)는 도 2에 도시된 바와 같이, 제어신호에 따라 제1 채널의 음성신호를 저장하는 음성신호 저장부(232), 제2 채널을 통해 수신되는 음성신호를 검출하는 음성신호 검출부(234), 음성신호 검출부를 통해 검출된 음성신호를 분석하는 음성신호 분석기(236), 음성신호 분석기의 출력과 상기 음성신호 저장수단의 저장된 신호를 비교하는 음성신호 비교기(238)로 구성된다.As shown in FIG. 2, the voice recognition unit 230 according to the present invention includes a voice signal storage unit 232 for storing a voice signal of a first channel according to a control signal, and a voice signal received through a second channel. A voice signal detector 234 for detecting, a voice signal analyzer 236 for analyzing the voice signal detected by the voice signal detector, and a voice signal comparator 238 for comparing the output of the voice signal analyzer with the stored signal of the voice signal storage means. It is composed of
마이콤(218)은 리모콘 수신부(220)와 리모콘 송신기(222)를 통해 입력되는 사용자의 제어나 도시되지 않은 키매트릭스를 통해 입력되는 사용자의 제어에 따라 시스템의 작동을 제어하는데, 채널선국신호를 튜너(202,214)로 출력하여 방송채널을 선택하게 하고, 휘도(Brightness), 콘트라스트(Contrast), 샤프니스(SHARPNESS), 칼라(COLOR), 틴트(TINT)등과 같은 화질제어신호를 영상처리부(206)로 출력하여 화질을 제어한다. 그리고 볼륨(Volume), 고음(treble), 저음(bass), 발란스(balance)등과 같은 사운드제어신호를 음성처리부(210)로 출력하여 음질을 제어한다. 여기서, 마이콤(218)은 내부에 각종 레지스터와 롬(ROM), 램(RAM)을 내장하고 있으나 필요에 따라 외부에 메모리를 두고 사용할 수도 있다. 그리고 본 발명에 따라 마이콤(218)은 사용자 제어에 따라 음성신호 저장부(232)에 음성신호를 저장하게 제어신호를 제공함과 아울러 음성신호 비교기(238)로부터 음성일치신호가 수신되면 제2 튜너(214)의 방송을 수신할 수 있도록 제1 튜너(202)에 선국신호를 제공한다.The microcomputer 218 controls the operation of the system according to the user's control input through the remote controller receiver 220 and the remote controller transmitter 222 or the user's control input through a key matrix (not shown). (202, 214) to select a broadcast channel and output image quality control signals such as brightness, contrast, SHARPNESS, COLOR, TINT, etc. to the image processor 206. To control the image quality. In addition, the sound control signal such as volume, treble, bass, balance, etc. is output to the voice processor 210 to control sound quality. Herein, the microcomputer 218 has various registers, ROMs, and RAMs embedded therein. However, the microcomputer 218 may have a memory externally as necessary. According to the present invention, the microcomputer 218 provides a control signal to store the voice signal in the voice signal storage unit 232 according to the user control, and when the voice match signal is received from the voice signal comparator 238, the second tuner ( A tuner signal is provided to the first tuner 202 to receive the broadcast of 214.
도 3a는 채널선국을 위해 특정 음성을 저장하는 과정을 도시한 흐름도이고, 도 3b는 본 발명에 따라 음성인식에 의해 채널을 선택하는 과정을 도시한 흐름도이다. 도 3a에서 음성신호기억이 요구되면(301), 제1 채널의 음성처리부(210)로부터 입력되는 음성신호를 음성신호 저장부(232)에 저장한다. 그리고 단계 311에서 음성신호 비교가 요구되면, 단계 312에서 제2 채널의 음성신호를 저장된 음성신호와 비교하고, 단계 313에서 두 신호가 일치하면 단계 314에서 채널을 전환한다.3A is a flowchart illustrating a process of storing a specific voice for channel selection, and FIG. 3B is a flowchart illustrating a process of selecting a channel by speech recognition according to the present invention. When the voice signal memory is requested in FIG. 3A (301), the voice signal input from the voice processor 210 of the first channel is stored in the voice signal storage unit 232. When the voice signal comparison is requested in step 311, the voice signal of the second channel is compared with the stored voice signal in step 312, and the channel is switched in step 314 when the two signals match in step 313.
이상에서 살펴 본 바와 같이, 본 발명은 사용자가 원하는 출연자의 음성신호를 기억시켜 놓은 후, 제1 튜너에 의해 선국된 방송을 시청하는 중에 제2 튜너를 통해 원하는 출연자의 프로그램이 방송되면 음성인식을 통해 자동으로 채널을 변경시켜 주어 선국이 편리한 효과가 있다.As described above, the present invention stores a voice signal of a performer desired by the user, and then recognizes a voice when a program of the desired performer is broadcast through a second tuner while watching a broadcast tuned by the first tuner. By changing the channel automatically through the tuning is convenient effect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980061740A KR20000045189A (en) | 1998-12-30 | 1998-12-30 | Channel selection device by speech recognition in television reciver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980061740A KR20000045189A (en) | 1998-12-30 | 1998-12-30 | Channel selection device by speech recognition in television reciver |
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| KR20000045189A true KR20000045189A (en) | 2000-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634644A (en) * | 2013-12-09 | 2014-03-12 | 乐视致新电子科技（天津）有限公司 | Method and system for switching channels of smart television through voices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634644A (en) * | 2013-12-09 | 2014-03-12 | 乐视致新电子科技（天津）有限公司 | Method and system for switching channels of smart television through voices |
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