KR100649076B1 - Digital TV with karaoke function - Google Patents

Abstract

The present invention relates to a digital television having a karaoke function.

Add the karaoke function to the digital television to conveniently download additional songs or to selectively output the accompaniment sound stored in the additional expansion pack or USB memory through the sound source module,

Receive the user's options and / or voice information of the song through the wired, wireless microphone to mix with the accompaniment voice information and output

Display subtitle data of still images and lyrics on the screen for user viewing,

It is to improve the music skills by displaying the score calculation and the wrong part while singing the above song.

Description

Digital TV with Karaoke Functions {Digital TV with karaoke function}

1 is a block diagram showing the overall configuration of the present invention.

Figure 2 is a block diagram showing the configuration of the present invention karaoke module.

Figure 3 is a block diagram showing the configuration of the present invention ASIC.

Explanation of symbols on the main parts of the drawings

1: dual tuner 2: audio / video switching IC

5: auxiliary decoder 8: main decoder

11: analog to digital converter 13: logic sum IC

14: image processing unit 15: main control unit

20: remote control unit 24: display controller

26: backlight drive unit 30: control unit interface

31: Karaoke Module 33: Voice Processing Unit

36: memory card interface 37: RF receiver

38: FM transmitter 39: USB interface

The present invention relates to a digital television having a karaoke function, and in particular, adds a karaoke function to a digital television and additionally outputs accompaniment audio information stored in an additional expansion pack or a USB memory through a sound source module. Karaoke function to receive the user's option and / or the voice signal of the song through the output and mixed with the accompaniment voice information to display the score calculation and the wrong part while performing the karaoke function to enhance the music skills It relates to a digital television provided.

In general, when a user selects a desired song and the user displays the lyrics and the wallpaper of the song on the screen, the user mixes the accompaniment sound with the user's song when the user sings to the accompaniment sound output through the speaker. Users can use it because they can improve their singing skills while singing interesting songs.

However, the size of the karaoke is necessary for the audio processing for directly or mixing the main body for storing the accompaniment of the song, the subtitle data of the lyrics and the image data of the background, and for outputting the screen and audio information for the display. There was a problem that it is not portable because it is large and the price is high.

Therefore, a video apparatus equipped with a voice output means in a state in which a voice processing device for storing and outputting the accompaniment of the music or outputting a voice signal from the outside and an internal accompaniment sound directly or in a mix is output in one karaoke microphone. It is convenient to carry karaoke microphone and to use it through video equipment such as TV by outputting signal by wire or wirelessly.

On the other hand, by storing the information data of the karaoke in a video device such as a television or by reading the subtitle data of the accompaniment sound and lyrics stored in a separate memory such as a CD to be used as a karaoke device conveniently when not watching television.

However, the video device of the television can only process information by analog signal, whereas the accompaniment sound and lyrics subtitle data stored in the built-in or separate memory are all digital signals. In addition to the hassle for processing a signal that must be converted into an analog signal, a user must purchase a separate memory such as a CD even if the user wants to sing a new song. There was a disadvantage in that the user's width was narrowed because it could not satisfy the desire of the younger class who prefer songs.

Recently, due to the development of Internet TV, which is a function of integrating the functions of a personal home computer and a personal computer, that is, a digital TV, various services (for example, information retrieval, e-mail, files, etc.) through the Internet network are not required without a separate personal computer. Transmission, etc.) can be provided.

However, such a digital television is capable of providing various services through the Internet as well as broadcasting provided in the air as described above. In particular, the digital television service has many advantages such as large screen, high quality and high sound quality. Due to the absence of various contents to provide a not only widely activated but also its function is extremely limited, the situation is receiving the general customer's appearance.

For this reason, there is an urgent need for the provision of various services using the digital television and the development of various services.

Accordingly, the present invention has been made to solve the conventional problems as described above, while adding accompaniment karaoke function to the digital television, and additionally output the accompaniment audio information stored in the expansion pack or USB memory through the sound source module, wired and wireless Karaoke is designed to receive the user's option and / or voice signal of the song through the microphone and output it by mixing with the accompaniment voice information so that the score calculation and wrong part can be displayed while performing the karaoke function. Its purpose is to provide a digital television with functions and to enjoy games through a USB device.

To achieve the above object, a digital television having a karaoke function according to the present invention includes two ATSC / NTSC receivers for receiving and processing a terrestrial analog signal and a terrestrial digital signal in common through two antennas, and the received digital broadcast signal. A dual tuner including an AVSB that demodulates the signal into a VSB signal and outputs the result directly;

After processing the analog broadcast signal received through the tuner or the external input video signal and the external input audio signal directly inputted through the video input terminal and the audio input terminal from the outside, the audio signal and the video signal are selectively outputted. Audio / video switching ICs,

A digital voice interface embedded in the audio / video switching IC to process and output only a digital voice signal;

The analog video signal, which is a picture in picture, is a digital video signal for a video signal V / YS transmitted from the audio / video switching IC through the first low pass filter. With a secondary decoder,

An analog composite signal for a main screen, which is a main screen, receives an image signal YS transmitted from the audio / video switching IC in a state separated into a luminance signal and a color difference signal through a comb filter and a second low pass filter. a main decoder for converting a signal into a digital video signal,

While receiving the video signal YCbCr from the audio / video switching IC through the third low pass filter, the synchronous signal transmitted through the synchronous signal separator is also received and converted into a 24-bit digital component video signal. An analog to digital converter,

Digital input interface which receives image data conforming to TMDS digital interface protocol from outside,

A logic sum IC for mixing and outputting video signals inputted through the auxiliary decoder, the main decoder, the analog-to-digital converter, and the digital input interface;

The digital video signal transmitted through the logical sum IC and the digital broadcast signal transmitted directly from the AVSB of the dual tuner are controlled to adjust the state of brightness, sharpness, screen size, image format, or the like of the following main controller. An image processing unit for displaying graphics and icons on a part of the screen under control;

The internal function is controlled by controlling the video signal for display on the screen transmitted through the image processing unit to be output for display or storing and reading necessary information in flash memory, SDRAM and EEPROM according to an option from the outside. A main control unit for controlling,

An external key input unit for inputting a user's option to the main control unit;

A remote control unit which processes a radio signal such as infrared rays through a remote controller from the outside and delivers it to the main control unit;

An LCD display unit which displays the state according to an operation such as a channel, a volume, etc. visually through an LCD while being controlled by the main controller;

A display controller for outputting a video signal to be displayed on a liquid crystal display to be displayed on a screen transmitted through the image processor under the control of the main controller;

A backlight driving unit which turns on a backlight lamp with power through a power supply unit under the control of the display controller;

A liquid crystal drive unit which controls the supply of power to be displayed as an image on the liquid crystal display with power through the power supply unit while being controlled by the display controller;

A control unit interface coupled to the main control unit for transmitting a signal input to the karaoke module to the main control unit or outputting information from the main control unit to the karaoke module;

A digital output interface for converting the video signal transmitted through the image processing unit according to the TMDS digital interface protocol and outputting the converted video signal to an external display device;

Accompanied by the voice signal of the user's song through the microphone while outputting the accompaniment sound and the subtitle data of the lyrics stored in the internal memory device, and mixed with the accompaniment sound, and outputting the same, compared with the accompaniment sound and the voice signal Karaoke module for performing the karaoke function by passing the subtitle data of the lyrics to change the color by the control unit interface to the main control unit,

Under the control of the main control unit, an audio signal transmitted from the audio / video switching IC and / or a mixed audio signal mixed with an accompaniment sound or an accompaniment sound transmitted from the karaoke module is received and received to AC3. A voice processor for outputting a 5.1-channel voice signal;

Characterized in that it consists of voice amplifiers to amplify the voice signal output from the voice processor to be heard through the speaker.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a diagram showing the overall configuration of a digital television with a karaoke function according to the present invention.

In the two ATSC / NTSC receivers 1c and 1d of the dual tuner 1, the terrestrial analog signal and the terrestrial digital signal are received in common through the two antennas 1a and 1b. Advanced Vestigial Side Band) 1e demodulates the received digital broadcast signal into a VSB signal to directly output the demodulated signal.

In the broadcast signal received through the dual tuner 1 or the audio / video switching IC 2 directly inputted through the video input terminal and the audio input terminals in1 to in8 from the outside, the external input video signal and the external Input signal (Rear AV) (Rear AV) (Rear) (Front AV) (Front S) (Comp 1) (Comp 2) (RGB-PC) do.

The digital voice interface (SPDIF) 3 built in the audio / video switching IC 2 processes and outputs only the digital voice signal.

In the auxiliary decoder 5 received from the audio / video switching IC 2 through the first low pass filter 4, the sub decoder 5 displays a small screen on a part of the main screen for the video signal V / YS. The analog composite signal, which is a picture in picture, is converted into a digital video signal.

The image signal YS transmitted from the audio / video switching IC 2 is separated into a luminance signal and a color difference signal via a comb filter (3D-Comb Filter) 6 and a second low pass filter 7. The main decoder 8, which is inputted as an input, converts an analog composite signal for a mother screen which is a main screen into a digital video signal.
The 3D-Comb Filter 6 has a color signal component among the luminance signal components and a luminance signal among the color signal components when separating the luminance signal Y and the color signal C mixed in the broadcast signal. Will remain, so it is completely isolated.

The analog-to-digital converter (ADC) that receives the video signal (YCbCr) from the audio / video switching IC (2) through the third low pass filter (9) and also receives the sync signal transmitted through the sync signal separator (10). In 11, the video signal YCbCr is converted into a 24-bit digital component video signal and output.

The digital input interface (TMDS Rx) 12 receives image data conforming to the TMDS digital interface protocol from the outside.

In the logical sum IC 13, which is input via the auxiliary decoder 5, the main decoder 8, the analog-to-digital converter (ADC) 11, and the digital input interface (TMDS Rx) 12, the image signals are logically stored. Sum and print it out.
The logical sum IC 13 logically sums (OR) any one of the two inputs so that "H" is output.

In the image processor 14 which receives the digital video signal through the logical sum IC 13 and receives the digital broadcast signal directly from the AVSB unit 1e of the dual tuner 1, the image processor 14 receives the luminance of the video signal. In order to control the state such as the sharpness, the screen size, the format conversion of the image, or the like, the graphics and icons are displayed on a part of the screen by the control of the main controller 15.

The main controller 15 controls the video signal to be displayed for display on the screen transmitted through the image processor 14 to be output for display, or provides necessary information according to options from the outside, the flash memory 16 and the SDRAM. (17) and EEPROM (18) are stored and read to control internal functions such as digital television, karaoke and games.

The user's option is inputted to the main control unit 15 through the external key input unit 19.

The remote control unit 20 that receives a radio signal such as an infrared ray through the remote controller 21 from the outside, processes it and transmits it to the main control unit 15.

The LCD display unit 22 under the control of the main controller 15 displays the state according to the operation so as to be visually known through the LCD 23.

The display controller 24 under the control of the main controller 15 outputs an image signal to be displayed on the liquid crystal display unit 25 to be displayed on the screen transmitted via the image processor 14.

The backlight driver 26 under the control of the display controller 24 turns on the backlight lamp 28 with the power supplied through the power supply 27.

The liquid crystal driver 29 under the control of the display controller 24 controls the supply of power such that the image is displayed on the liquid crystal display 25 by the power supplied through the power supply 27.

The control unit interface 30 coupled to the main control unit 15 transmits a signal input to the karaoke module 31 to the main control unit 15 or transmits information from the main control unit 15. Output to the karaoke module 31.

The digital output interface (TMDS Tx) 32 that receives the image signal via the image processor 14 converts the image signal according to the TMDS digital interface protocol and outputs it to an external display device.

The karaoke module 31 receives an audio signal of a user's song through a microphone and mixes it with the accompaniment sound while outputting the accompaniment sound stored in an internal memory element and lyrics for display on a screen. At the same time, the caption data of the lyrics, which are changed in color by comparing the accompaniment sound with the voice signal, is transmitted to the main controller 15 through the controller interface 30 to perform a karaoke function.

The voice processor 33 under the control of the main controller 15 may include a voice signal transmitted from the audio / video switching IC 2 and / or an accompaniment sound or the accompaniment sound transmitted from the karaoke module 31. The audio signal of the song is mixed with the mixed audio signal and received as a 5.1 channel audio signal by AC3.

The voice amplifier 34 receiving the voice signal from the voice processor 33 may amplify the voice signal so that it can be heard through the speaker 35.

The karaoke module 31 is connected to the memory card interface 36 to receive the image data captured by the digital camera as a background screen.

The RF receiver 37 connected to the karaoke module 31 separately outputs a data signal and a voice signal received from the wireless microphone.

The FM transmitter 38 that receives the mixed voice signal mixed with the accompaniment sound or the digital broadcast voice signal from the karaoke module 31 transmits the voice signal as an FM signal so that it can be heard through an adjacent FM radio.

In addition, the karaoke module 31 is coupled to the USB interface 39 so that it can be used while connecting a joystick to a USB device for gaming.

2 shows a detailed configuration of the karaoke module and a peripheral device,

The sound source data of the sound source module (SOUND MODULE) 41 which stores the accompaniment of the song while giving the song a random number allows the input / output to be controlled by the sound engine 42.

The lyrics data from the sound source module 41 is converted into image data using True-Type FONT or Vector FONT, and the image data of the background screen including the caption data of the converted lyrics is inputted / received by the video engine 43. Allow the output to be controlled.

In the ASIC 45 including a microprocessor 44 for receiving a frequency for a period of operation from the oscillator and controlling the internal operation, the sound source module 41, the sound engine 42, and the video engine 43. The data including the number of songs played while performing the overall operation according to the routine stored in the nonvolatile memory (ROM) 46 is stored in the memory (RAM) 47 and the data including the information of the operation state is recalled. Through the control unit interface 30 of the main control unit 15 to be delivered.

The nonvolatile memory 46 is a boot memory (BOOT-ROM) 46a that stores a procedure and a method for performing internal operations, and a text memory that stores and outputs characters as digital signals. SRAM) 46b, a music storage memory (DATA-ROM) 46c for outputting music data in a compressed format and storing it in a MIDI format, and a video storage memory (GRAPHIC) for digitally storing and outputting video signals. -ROM) 46d.

In the RF receiver 37 connected to the karaoke module 31, a plurality of data signals are used as needed, and data signals are transmitted on a high frequency waveform from a wireless microphone 50 having a voice processor 50a and a key processor 50b. After receiving the signal and removing the high frequency components, the data signal and the audio signal are separated and output.

An expansion pack slot 48 directly connects a plurality of expansion packs 49 to read and output accompaniment, subtitles of lyrics, and / or background image data.

An expansion pack slot 48 directly connects a plurality of expansion packs 49 to read and output accompaniment, subtitles of lyrics, and / or background image data.
The sound source module 41 is data stored in hardware, and the expansion pack 49 is data provided by being connected to the expansion pack slot 48.

The accompaniment sound read from the expansion pack 49 and the accompaniment sound of the lyrics are transmitted to the sound engine 42 and the caption data of the lyrics and / or the image data of the background are transmitted to the video engine 43 for output. do.

In a wired microphone 51 that can use a large number of voice signals, the voice signal of the user via the analog-to-digital converter 51a can be directly transmitted through a microphone line coupled to the jack 40 of the digital television.

The voice signal separated by the RF receiver 37 and / or the voice signal directly input from the wired microphone 51 via the analog-to-digital converter 51a is transferred to the mixer 52 to transmit the sound. It is mixed with the accompaniment sound output through the engine 42.

When the user selects a song, the accompaniment sound of the song stored in the sound source module 41 or the dean pack 49 is controlled by the sound engine 42 under the control of the microprocessor 44 of the ASIC 45. Output to.

The audio signal mixed with the accompaniment sound or the accompaniment sound in the mixer 52 is converted into a digital signal through the analog-to-digital converter 53 to be output to the voice processing unit 34 through the control unit interface 30. do.

The data signal separated by the RF receiver 37 is converted into a digital signal by the data processor 54 and then transferred to the microprocessor 44 of the ASIC 45 to select a user such as curve tack and volume control. It is transmitted to the main control unit 15 through the control unit interface 30.

The MPEG decoder 55 connected to the video engine 43 of the ASIC 45 transmits the background image of the digital video stored in the MPEG 56.

In the memory card interface 36 under the control of the microprocessor 44 of the ASIC 45, a memory stick (MS Card), a compact flash (CF Card), a multimedia (MMC Card), a smart media (SM Driver), and secure Accompanied sound, lyrics data and / or background image data recorded on a memory card 57 such as a digital driver (SD driver) or a micro driver (Micro Driver) or a still image captured by a digital camera is received. To be output through the control unit interface 30.

In the USB interface 39 under the control of the microprocessor 44 of the ASIC 45, the game device 59 using the joystick connected through the USB device 58 can be enjoyed. The data stored in the stick memory 60 connected to 58 can be read.

3 shows a detailed configuration of the present invention ASIC,

The sound engine 42 under the control of the microprocessor 44 reads and reproduces a sound source stored in storage devices such as the sound source module 41 or the expansion pack 48 to be additionally connected.

The video engine 43 under the control of the microprocessor 44 processes the background image transmitted from the storage device through the MPEG decoder 55.

The microphone sound input through the wireless microphone 50 or the wired microphone 51 is recognized by the first pitch recognition unit 61.

The pitch of the accompaniment sound output through the sound engine 42 is recognized by the second pitch recognizer 62.

While comparing the pitch of the microphone sound recognized by the first pitch recognizer 61 and the accompaniment sound recognized by the second pitch recognizer 62, the comparison unit 63 compares the comparison data with a microprocessor ( 44).

The microprocessor 44 which receives the comparison data comparing the pitch of the microphone and the accompaniment by the comparison unit 63 outputs the coloring information accordingly.

The color information output from the microprocessor 11 is transmitted to the main controller 15 through the controller interface 30 so that the color of the lyrics displayed through the image processor 14 may be changed.

That is, when the user sings while watching the caption data of the lyrics represented by the text, the pitch of the input microphone sound is recognized by the first pitch recognizer 61 and then input as a comparison signal of the comparator 63.

The pitch of the accompaniment sound being played at the same time is recognized by the second pitch recognizer 62, and then input to the comparator 63 as a reference signal.

The comparison data in the comparator 63 for comparing the pitch of the microphone sound recognized by the first pitch recognizer 61 and the accompaniment sound recognized by the second pitch recognizer 62 is a microprocessor 44. To be delivered to.

In this case, the first pitch recognition unit 61 and the second pitch recognition unit 62 recognize the pitch until the end of the song, respectively, the microphone sound and accompaniment sound to be stored in the memory if necessary.

The microprocessor 44 receiving the comparison data, which is a result of comparing the pitch of the microphone sound and the pitch of the accompaniment sound by the comparator 63, analyzes this.

The method of analyzing the comparison data in the microprocessor 44 analyzes whether the data of the microphone sound is higher than the accompaniment data, which is the reference data, so that the sound of the microphone sound is higher than the accompaniment data. When the color signal is entered, the colored signal is output to the main controller 15 so that the lyrics of the caption data displayed on the screen are colored in red.

The microphone processor analyzes whether the data of the microphone sound is lower than the accompaniment data, and when the data of the microphone sound is lower than the accompaniment data, the microprocessor 44 outputs a colored signal to display the screen. The lyrics of the caption data displayed on the screen are colored in blue.

It analyzes whether the accompaniment sound data and the microphone sound data are in the same tone. When the data of the microphone sound is the same tone as the accompaniment sound data, the microprocessor 44 outputs a colored signal to display the subtitle displayed on the screen. Causes the lyrics of the data to be displayed in black.

If there is a note in the accompaniment data but there is a note in the data of the microphone sound, and there is a sound output in the accompaniment data, but there is no sound in the microphone sound, the microprocessor 44 outputs a colored signal to output the corresponding lyrics. Is colored green.

In the above detailed description, the display is described using a liquid crystal display as an example, but the present invention is not limited thereto, and a display method using a monitor or a light emitting diode may be used.

The present invention is not limited to the above detailed description, but the scope of the present invention extends from a technical idea in which karaoke is mixed with a digital television which is a technical idea of the present invention.

As described in detail above, by adding a karaoke function to the digital television with a karaoke function according to the present invention to conveniently download additional songs or to selectively output the accompaniment sound stored in the additional expansion pack or USB memory through the sound source module,

Receive the user's option and the voice information of the song through the wired and wireless microphones, and output the mixed with the accompaniment voice information,

Display subtitle data of still images and lyrics on the screen for user viewing,

While singing the above song to calculate the score and display the wrong part to improve the music skills,

You can remotely control digital television through wireless microphones, or receive subtitle data of accompaniment and lyrics and background image data from various storage devices (memory card, additional pack, USB memory),

The effect is that the game can be used conveniently through the USB device.

Claims (9)

The audio / video switching IC 2 which receives a broadcast signal or a video signal and an audio signal directly from the outside may be selectively output. The auxiliary decoder 5 connected to the first low pass filter 4 to the audio / video switching IC 2 converts an analog composite signal for a sub picture, which is a picture in the picture, into a digital video signal, The main decoder 8 connected to the audio / video switching IC 2 via a comb filter 6 for separating the luminance signal Y and the color signal C and a second low pass filter 7 has a main screen. Convert analog composite signal for human screen into digital video signal, The analog-to-digital converter 11 connected to the audio / video switching IC 2 through the third low pass filter 9 converts a 24-bit digital component video signal, The logical sum IC 13 commonly connected to the auxiliary decoder 5, the main decoder 8, the analog-to-digital converter 11, and the digital input interface 12 allows the video signals to be mixed in a logical sum method. The LCD display unit 22 under the control of the main controller 15 displays a state according to an operation such as a channel and a volume through the LCD 23. In the digital television having a karaoke function in which the display controller 24 under the control of the main controller 15 displays a video signal through the image processor 14 on the liquid crystal display 25, The two ATSC / NTSC receivers 1c and 1d of the dual tuner 1 receive the terrestrial analog signal and the terrestrial digital signal in common through two antennas 1a and 1b so that the audio / video switching IC ( To 2), The AVSB unit 1e of the dual tuner 1 demodulates the received digital broadcast signal into a VSB signal and outputs it to the image processor 14, In the image processing unit 14 receiving the digital broadcast signal directly from the AVSB unit 1e while receiving the digital image signal through the logical sum IC 13, the luminance, sharpness, screen size, and image format of the image signal are transmitted. The state of the conversion is adjusted or the graphics and icons are displayed on a part of the screen by the following main control unit 15, The main controller 15 controls the output of the video signal transmitted via the image processor 14 or stores the necessary information in the flash memory 16, the SDRAM 17, and the EEPROM 18. To control the function, The karaoke module 31 connected to the main control unit 15 through the control unit interface 30 receives the user's voice signal through a microphone while mixing accompaniment sounds and mixing them while outputting accompaniment sounds and lyrics data stored therein. To print it out, The karaoke module 31 compares the accompaniment sound with the audio signal and transmits the lyrics data to the main controller 15 through the controller interface 30 so that the color of the lyrics is different only when they are different. , The voice processor 33 under the control of the main controller 15 may include a voice signal transmitted from the audio / video switching IC 2 and / or an accompaniment sound or the accompaniment sound transmitted from the karaoke module 31. And a mixed voice signal mixed with a voice signal of a song, and output to the speaker 35 through a voice amplifier 34 as a 5.1-channel voice signal by AC3. The method of claim 1, The above karaoke module is The sound engine 42 under the control of the microprocessor 44 controls the input / output of the sound source data of the sound source module 41 storing the accompaniment while giving a number to the song, The video engine 43 under the control of the microprocessor 44 converts the subtitle data of the lyrics stored in the sound source module 41 into the image data using True-Type FONT or Vector FONT, and converts the converted lyrics image data. To control the input / output of the image data of the background screen including The ASIC 45 including the microprocessor 44, the sound source module 41, the sound engine 42, and the video engine 43 performs an operation by a program stored in the nonvolatile memory 46. The ASIC 45 stores data in the memory 47 and transmits state information according to an operation to the main controller 15 through the controller interface 30. The RF receiver 37 connected to the karaoke module 31 receives a data signal from the wireless microphone 50 and separates the data signal into a voice signal and outputs the data signal. The voice signal separated by the RF receiver 37 and / or the voice signal directly input from the wired microphone 51 via the analog-to-digital converter 51a is transferred to the mixer 52 to transmit the sound engine 42. To mix with the accompaniment sound output through Accompaniment sounds stored in the sound source module 41 or the Dean's pack 49 are output to the mixer 52 by the sound engine 42, The audio signal mixed with the accompaniment sound or the accompaniment sound from the mixer 52 passes through the analog-to-digital converter 53 and is output to the voice processing unit 34 through the control unit interface 30. The data signal separated by the RF receiver 37 is converted into a digital signal by the data processor 54 and then transferred to the microprocessor 44 of the ASIC 45 so that the user's selection such as curve selection and volume control is performed. It can be delivered to the main control unit 15 through the control unit interface 30, The MPEG decoder 55 connected to the video engine 43 of the ASIC 45 transmits a background image of a digital video stored in the MPEG 56, The memory card interface 36 under the control of the microprocessor 44 of the ASIC 45 receives the data recorded in the memory card 57 and outputs the image data through the control unit interface 30 as an image data. The USB interface 39 under the control of the microprocessor 44 of the ASIC 45 is a karaoke, characterized in that configured to enjoy a game through the game machine 59 using a joystick connected through the USB device 58. Digital television with features. The method of claim 1, The microprocessor 44, Analyze whether the data of the microphone sound is higher than the accompaniment data, which is a reference. When the sound of the microphone sound is higher than the accompaniment data, the colored signal is output to the main controller 15 to display the screen. Causing the lyrics of the subtitle data to be displayed to be colored in red; Analyzes whether the data of the microphone sound is lower than the accompaniment data, which is a reference. When the data of the microphone sound is lower than the accompaniment data, the microprocessor 44 outputs a colored signal and displays the colored signal. Making the lyrics of the caption data to be colored blue; It analyzes whether the accompaniment sound data and the microphone sound data come in the same tone, and when the microphone sound data comes in the same tone than the accompaniment sound data, the microprocessor 44 outputs a colored signal to display the subtitles displayed on the screen. To display the corresponding lyrics of the data in black, If there is a note in the accompaniment data but there is a note in the data of the microphone sound, and there is a sound output in the accompaniment data, but there is no sound in the microphone sound, the microprocessor 44 outputs a colored signal to output the lyrics A digital television with a karaoke function, characterized in that it is configured to perform a negative comparison by processes for causing the color to be colored green. The method of claim 1, The RF receiver 37 connected to the karaoke module 31 is Receives data signals carried on a high frequency waveform from a plurality of wireless microphones 50 each including a voice processing unit 50a and a key processing unit 50b, removes high frequency components, and then separates the data signal and the audio signal, respectively. A digital television with a karaoke function, which is configured to output to the 52 and the data processor 54, respectively. delete The method of claim 1, The wired microphone 51, If necessary, a large number can be used, and a karaoke function is provided so that a user's voice signal is directly transmitted through an analog / digital converter 51a through a microphone line coupled to the jack 40 of the digital television. Digital television. The method of claim 1, The memory card interface 36 is Under the control of the microprocessor 44 of the ASIC 45, a memory stick (MS Card), a compact flash (CF Card), multimedia (MMC Card), smart media (SM Driver), Secure Digital (SD Driver), micro Accompanied sound recorded on a memory card 57 of a micro driver, caption data of lyrics, and / or image data of a background are received, and a still image captured by a digital camera is also received. 30) Digital television with karaoke function, characterized in that configured to output through. The method of claim 1, The USB interface 39, Read data stored in the stick memory 60 connected to the USB device 58 while enjoying the game machine 59 using the joystick connected through the USB device 58 under the control of the microprocessor 44. Digital television with a karaoke function, characterized in that configured so that. The method of claim 1, The FM transmitter 38 is Karaoke function is characterized in that the karaoke module 31 receives the mixed voice signal mixed with the accompaniment sound or the digital broadcast voice signal and transmits the voice signal as an FM signal so that it can be heard through an adjacent FM radio. Equipped digital television.

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