KR200305751Y1 - wireless and portable karaoke - Google Patents

Abstract

In the present invention, a set-top box connected to a wired TV is provided by mixing a voice input through a wireless microphone or a wired external microphone with internal MIDI music and outputting subtitles of a background image and lyrics, while watching the screen of the television. As about the wireless hand karaoke that I could sing to in MIDI music,

In a set-top box connected to a wired TV, a voice input through a wireless microphone or a wired external microphone is mixed with the internal MIDI music and outputted.

By outputting the subtitles of the background image and lyrics stored in the video RAM, while watching the lyrics displayed as subtitles on the screen of the television, the user sings to the accompaniment MIDI music,

Built-in USB port and flash memory in the above set-top box to access the personal PC using the homepage, so that you can download the songs you want after joining as a member to make it easier to use new and additional songs,

Through the MP3 decoder of the set-top box synthesized with MIDI music to support the foster chorus,

MP3 player function to download and listen to your favorite songs randomly through the MP3 drive,

When using a wireless microphone, duet function is possible depending on the use of the auxiliary microphone at the same time.

The wireless microphone automatically selects the best channel among a number of channels for smooth transmission and reception.

Description

Wireless hand karaoke {wireless and portable karaoke}

The present invention relates to a wireless hand karaoke, and more particularly, in a set-top box connected to a wired TV, a voice input through a wireless microphone or a wired external microphone is mixed with the internal MIDI music and outputted, while the background image and lyrics are output. It's about a wireless hand karaoke that lets you sing to the accompaniment's midi music by outputting subtitles and watching the TV screen.

As is known, a conventional music accompaniment box, commonly called a karaoke system, is configured to mix and play the lyrics of a user singing in a microphone through an electroacoustic system in accordance with the accompaniment of the recorded music.

The karaoke system includes a compact disc player for playing music for the song, and the voice can be input in accordance with the music accompaniment while singing through the microphone in accordance with the music accompaniment played by the user's selection. It would be.

However, although the karaoke system is widely known to the general public recently and can sing along with the accompaniment of randomly selected music, it has a disadvantage that its volume is not available or cannot be used while moving.

Therefore, it is desired that the karaoke system be portable so that it can be used in any place where the user wants to use it without limitation of the place, overcoming physical limitations such as size, output, and the requirement of separate parts.

Therefore, a portable music playing device, filed as a patent application No. 10-2098-0056752 dated December 22, 2098, and registered as a patent registration number 10-0294049 dated December 14, 2100, has been proposed.

This is a ROM package that stores MIDI data, the accompaniment of the song, with an arbitrary number.

Curved Tack Key, Start Key, Stop Key, Up Key, Down Key, Reset Key, Continuous Play Key, Microphone Select Key, Echo Assignment Key, Speed Assignment Key, Frequency Select Key, and Melody Assign Keys from 0 to 9 Consisting of a key matrix for entering the user's options,

Receives the option through the key matrix and receives the frequency for operation from the oscillator through the three-state latch and multiplexer or directly through the ROM package, the key matrix, the three-state flip-flop, and the three-state flip-flop and memory for driving the LCD. A microprocessor that controls the overall operation while selecting internal components, including

An LCD indicating an operation state under the control of a microprocessor through the LCD driving 3-state flip-flop;

The volume enable signal and the selection signal are received from the sound source controller which receives the address signal and the control signal from the microprocessor and outputs the internal sound source data and the accompaniment sound signal corresponding to the musical instrument accompaniment from the external masking ROM. A three-state flip-flop that outputs an echo selection signal and a frequency selection signal;

An accompaniment sound output unit for receiving an accompaniment sound signal corresponding to a musical instrument accompaniment from the sound source controller digitally and separating the accompaniment sound input signal through a digital / analog converter, and then outputting each of them to an amplifier;

An internal voice amplifier for negative feedback amplifying the voice signal input from the internal microphone through the resistor and the condenser;

An external voice amplifier for negative feedback amplifying the voice signal input from the external microphone through the resistor and the condenser;

A microphone sound volume control unit which receives a volume signal from the tri-state flip-flop while receiving a voice signal from one of the internal and external voice amplifiers and adjusts the volume of the voice signals;

An echo sound volume control unit for receiving an echo selection signal from the tri-state flip-flop and adjusting the volume of the echo sound;

The voice signal from the microphone sound volume control unit and the echo sound from the sound volume control unit are selectively received, synthesized, and then mixed with the accompaniment sound input signal from the accompaniment sound output unit. A voice synthesizer to output each

A wired output unit for receiving the synthesized signal from the voice synthesizer and outputting the plug through a plug inserted into a phone jack;

The high frequency modules are configured to receive a frequency selection signal from the tri-state flip-flop while receiving a synthesis signal from the voice synthesis unit and output the high frequency module through a high frequency antenna of a selected frequency.

However, in the conventional portable music player as described above, while using a built-in microphone, while outputting a high-frequency signal to the audio device wirelessly, the user can directly adjust the frequency conversion while confirming the best transmission and reception state Of course, there is a problem that it is not necessary to communicate with a PC, and there is no function of storing or deleting data, so that additional music can be added only by using an expansion pack in a state of storing a sound source.

The present invention has been made in order to solve the above-mentioned problems, the set-top box is connected to the wired television set to output the audio input through the internal microphone and the audio input through the wireless microphone or wired external microphone At the same time, it aims to provide a wireless hand karaoke that outputs subtitles of background images and lyrics and sings to accompaniment MIDI music while watching TV screens.

In another aspect, the present invention is to enable the set-top box to download the desired songs through the personal PC by the USB port and flash memory.

In addition, the present invention synthesizes MIDI music through the MP3 decoder of the set-top box to support the fostering chorus, and automatically selects the best channel among a plurality of channels in a wireless microphone to enable smooth transmission and reception. Serves another purpose.

Wireless hand karaoke of the present invention for achieving the above object is composed of a set-top box connected to a television, and a wireless microphone for wirelessly transmitting key selection data and voice to the set-top box,

Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions Key matrix for inputting user's options, consisting of function switch key, up key, down key, voice volume key, music volume key, and echo keys for selecting the volume of the echo,

A microprocessor which receives an option through the key matrix and controls an internal operation thereof;

A microphone for converting a user's voice into an electrical signal while being controlled by the microprocessor,

Under the control of the microprocessor, a signal mixed with a user's voice through a microphone and key selection data of a key matrix is automatically converted into a band where optimal communication is performed among up to seven frequency bands by a frequency from an oscillator. A high frequency module which converts the signal into an output through an amplifier and an antenna,

The wireless microphone includes a battery for supplying power to the inside, including the microprocessor.

A flash memory for continuously storing information for operation even when the power is cut off,

A video memory for selectively outputting the image that is the background of the screen and the subtitle data that is the lyrics, and

A ROM for outputting information of an environment or sequences required for the microprocessor to perform an operation;

RAM for temporarily storing data necessary for operation under the control of the microprocessor,

A microprocessor for controlling an internal operation by a program stored in the ROM;

A USB port for downloading a new song via a PC under the control of the microprocessor and storing the new song in the flash memory and the video memory;

An MP3 driver for outputting MIDI data stored in the flash memory or music information stored in a memory inserted by the user;

A sound source controller configured to generate and output accompaniment sounds based on music information stored in at least one masking ROM while designating MIDI data that is accompaniment of a song under an arbitrary number while being controlled by the microprocessor;

An analog / digital converter for converting a user's voice input from the outside into a digital signal and transmitting it to the sound source controller;

A digital / analog converter for converting the synthesized data obtained by synthesizing the stereo music data and the audio data output from the sound source controller into an analog signal and outputting the analog signal;

A volume controller which adjusts the volume of music data output through the digital / analog converter so as to be output through an amplifier, respectively;

Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions Key matrix for inputting user's options, consisting of function switch key, up key, down key, voice volume key, music volume key, and echo keys for selecting the volume of the echo,

A sub-microprocessor which controls an internal operation such as outputting an address latch enable signal to the flash memory while interworking with the microprocessor while receiving an option through the key matrix;

An LCD module which displays information according to an operation by letters and / or numbers while being controlled by the sub-microprocessor;

A high frequency receiver for receiving voice data transmitted wirelessly from the wireless micro as a high frequency signal under the control of the sub microprocessor, processing the signal, and transmitting the signal to the analog / digital converter;

A high frequency transceiver for converting the synthesized data output through the amplifier from the digital / analog converter into a high frequency signal and transmitting the result wirelessly;

MP3 outputting the audio signal supported by the growing chorus through an amplifier by synthesizing the music output from the MP3 driver 16 or the lyrics data stored in the flash memory 11 into the MIDI music under the control of the sub-microprocessor. The set-top box is composed of decoders.

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

Figure 2 is a block diagram showing the configuration of the set-top box of the present invention.

Explanation of symbols on the main parts of the drawings

A: wireless microphone B: set-top box

1, 25: key matrix 2, 15: microprocessor

4: high frequency module 17: MP3 drive unit

19: sound source controller 26: sub microprocessor

28: high frequency receiver 29: high frequency transceiver

30: MP3 Decoder

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention.

The wireless hand karaoke according to the present invention consists of a set-top box (B) connected to a television and a wireless microphone (A) for wirelessly transmitting key selection data and voice to the set-top box (B).

Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions A key matrix (1) for inputting a user's options consisting of a function switching key, an up key, a down key, a voice volume key, a music volume key, and echo keys for selecting an echo volume,

A microprocessor (2) for receiving an option through the key matrix (1) and controlling an internal operation thereof;

A microphone 3 for converting a user's voice into an electrical signal while being controlled by the microprocessor 2,

Under the control of the microprocessor 2, up to seven frequency bands of signals of the user's voice through the microphone 3 and the key selection data of the key matrix 1 are mixed by the frequency from the oscillator 5. A high frequency module 4 for converting into a high frequency signal while automatically switching to a band in which an optimum communication is made, and outputting it through the amplifier 6 and the antenna 7,

The wireless microphone A is composed of batteries 8, which supply the necessary power therein, including the microprocessor 2.

A flash memory 11 for continuously storing information for an operation including housework data even when the power is cut off;

A video memory 12 for selectively outputting in a state of storing caption data as images and lyrics as a background of a screen;

A ROM 13 for outputting information of an environment or sequences necessary for the microprocessor 15 to perform an operation;

RAM 14 for temporarily storing data necessary for operation under the control of the microprocessor 15,

A microprocessor 15 for controlling an internal operation by a program stored in the ROM 15;

A USB port 16 under the control of the microprocessor 15 and downloading new songs via a PC not shown in the figure and storing them in the flash memory 11 and the video memory 12;

An MP3 driver 17 for outputting MIDI data stored in the flash memory 11 or music information stored in a memory inserted by a user;

The sound source controller 19 generates and outputs accompaniment sounds based on music information stored in at least one masking ROM 18 while designating MIDI data that is accompaniment of a song under an arbitrary number while being controlled by the microprocessor 15. Wow,

An analog / digital converter 20 for converting a user's voice input from the outside into a digital signal and transmitting the converted digital signal to the sound source controller 19;

A digital / analog converter 21 for converting synthesized data obtained by synthesizing stereo music data and voice data output from the sound source controller 19 into an analog signal and outputting the analog signal;

A volume controller 22 for adjusting the volume of the music data output through the digital / analog converter 21 so as to be output through the amplifiers 23 and 24, respectively;

Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions A key matrix 25 for inputting a user's option consisting of a function switching key, an up key, a down key, a voice volume key, a music volume key, and echo keys for selecting the volume of the echo;

Controls internal operations such as outputting an address latch enable signal ALE1 to the flash memory 11 while interworking with the microprocessor 15 while receiving an option through the key matrix 25. A sub microprocessor 26,

An LCD module 27 for displaying information according to an operation by letters and / or numbers while being controlled by the sub-microprocessor 26;

Under the control of the sub-microprocessor 26, a high frequency receiver for receiving a radio frequency signal transmitted wirelessly from the wireless microphone A as a high frequency signal, processing the signal, and transmitting the signal to the analog / digital converter 21 ( 28) and,

A high frequency transceiver 29 for converting the synthesized data output through the amplifiers 23 and 24 from the digital / analog converter 21 into a high frequency signal and wirelessly transmitting the same;

Under the control of the sub-microprocessor 26, the music signal output from the MP3 driver 17 or the lyrics data stored in the flash memory 11 is synthesized to the MIDI music to support the growing chorus. The set top box B is composed of the MP3 decoders 30 output through the 32.

The analog-to-digital converter 21 allows voice to be directly input through an external microphone 33 connected to the set-top box B by wire.

The wireless hand karaoke of the present invention configured as described above connects the set-top box (B) by wire to a television, and the set-top box (B) is wired while receiving wirelessly the key selection data and the voice of the wireless microphone (A) connected wirelessly. To receive the voice through the auxiliary microphone 33 connected to,

After the user turns on the power key while operating the key matrix 1 of the wireless microphone A or the key matrix 25 of the set-top box A, the desired song number is a curved tap key that is a numeric key from 0 to 9. After selecting, turn on the start key.

When the drug user turns on the stop key, the current accompaniment sound is interrupted. When the default key is turned on, it switches to the initial mode. Whenever the function switch key is turned on, the karaoke and MP3 functions are sequentially selected to be selected. If the up or down key is turned on while the song search key, the reservation key, the speed control key, the voice volume key, the music volume key, or the echo key is turned on, the number of times or the pressing time can be adjusted.

If the user inputs the option through the wireless microphone (A) or inputs the voice through the microphone (3), the received microprocessor (2) outputs a control signal to the high frequency module (4) to oscillate these signals. The frequency from (5) is converted into a high frequency signal and output.

The high frequency module 4 converts the high frequency signal into a high frequency signal while automatically converting the frequency into a band where optimal communication is performed among up to seven frequency bands by a function of checking a reception state.

The high frequency signal transmitted from the high frequency module 4 is received by the high frequency receiver 28 under the control of the sub-microprocessor 26 and processed to transmit the signal to the analog / digital converter 20.

The analog-to-digital converter 20 converts a user's voice and key data into digital signals and transmits them to the sound source controller 19 to be input to the microprocessor 15.

The analog-to-digital converter 20 is also directly transmitted to the voice from the external microphone 33 connected by wire.

The microprocessor 15 that receives the user's options through the key matrix 1 and 25 controls accompaniment and lyrics while controlling internal operations based on information stored in the flash memory 11 and the ROM 13. To output a video signal including a subtitle of.

That is, the microprocessor 15 outputs a control signal to the sound source controller 19 to generate accompaniment by music information stored in the masking ROM 18 while designating MIDI data, which is the accompaniment of the song, as an arbitrary number. And the caption data, which is the background of the screen stored in the video memory 12 and the lyrics, is selectively output.

The microprocessor 15 temporarily stores data necessary for operation in the RAM 14 and outputs the data.

The synthesized data obtained by synthesizing the stereo music data and the voice data output from the sound source controller 19 is converted into an analog signal and output through the digital / analog converter 21.

The volume of the stereo sound of the music data output through the analog-to-digital converter 21 is adjusted to a desired state by the volume controller 22 and then output through the amplifiers 23 and 24, respectively.

On the other hand, via the USB port 16 under the control of the microprocessor 15 is connected to the homepage of the server using the PC to join as a member to download the desired songs to be stored in the flash memory (11).

The MIDI data stored in the flash memory 11 or the music information stored in the memory inserted by the user may be arbitrarily output through the MP3 driver 17 so that the new generation can listen to the music stored in the MP3 memory.

The sub-microprocessor 26 interoperating with the microprocessor 15 auxiliaryly controls internal operations such as outputting the address latch enable signal ALE1 to the flash memory 11.

The LCD module 27 under the control of the sub microprocessor 26 displays information according to the operation in letters and / or numbers so that the information can be known from the outside.

The digital / analog converter 21 converts the synthesized data output through the amplifiers 23 and 24 into a high frequency signal and wirelessly transmits the synthesized data to the wireless microphone A so that transmission and reception can be performed through a frequency having the best reception state. Do it.

The MP3 decoder 30 under the control of the sub-microprocessor 26 synthesizes the music output from the MP3 driver 16 or the lyrics data stored in the flash memory 11 into the MIDI music to support the chorus. The signal is output via the amplifiers 31 and 32.

As described in detail above, the wireless hand karaoke according to the present invention uses a wireless microphone or a wired external microphone in a set-top box connected to a wired TV to mix and output the internal MIDI music,

By outputting the subtitles of the background image and lyrics stored in the video RAM, while watching the lyrics displayed as subtitles on the screen of the television, the user sings to the accompaniment MIDI music,

Built-in USB port and flash memory in the set-top box to access the homepage of the personal PC using the server, so that you can download the desired songs after joining as a member, so that the use of new and additional songs is convenient,

Through the MP3 decoder of the set-top box synthesized with MIDI music to support the foster chorus,

MP3 player function to download the songs of the new generation randomly and listen through the MP3 drive to enable

When using a wireless microphone, duet function is possible depending on the use of the auxiliary microphone at the same time.

The wireless microphone automatically selects the best channel among a plurality of channels so that smooth transmission and reception are performed.

Claims (3)

Set-top box (B) connected to the television, Wireless hand karaoke, characterized in that consisting of a wireless microphone (A) for wirelessly transmitting key selection data and voice to the set-top box (B). The method of claim 1, The wireless microphone (A) above, Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions A key matrix (1) for inputting a user's options consisting of a function switching key, an up key, a down key, a voice volume key, a music volume key, and echo keys for selecting an echo volume, A microprocessor (2) for receiving an option through the key matrix (1) and controlling an internal operation thereof; A microphone 3 for converting a user's voice into an electrical signal while being controlled by the microprocessor 2, Under the control of the microprocessor 2, up to seven frequency bands of signals of the user's voice through the microphone 3 and the key selection data of the key matrix 1 are mixed by the frequency from the oscillator 5. A high frequency module 4 for converting into a high frequency signal while automatically switching to a band in which an optimum communication is made, and outputting it through the amplifier 6 and the antenna 7, Wireless hand karaoke, characterized in that consisting of a battery (8) for supplying the power necessary to the inside, including the microprocessor (2). The method of claim 1, The set top box (B), A flash memory 11 for continuously storing information for operation even when the power is cut off, A video memory 12 for selectively outputting in a state of storing caption data as images and lyrics as a background of a screen; A ROM 13 for outputting information of an environment or sequences necessary for the microprocessor 15 to perform an operation; RAM 14 for temporarily storing data necessary for operation under the control of the microprocessor 15, A microprocessor 15 for controlling an internal operation by a program stored in the ROM 15; A USB port 16 for downloading new songs via a PC under the control of the microprocessor 15 and storing them in the flash memory 11 and the video memory 12; An MP3 driver 17 for outputting MIDI data stored in the flash memory 11 or music information stored in a memory inserted by a user; The sound source controller 19 generates and outputs accompaniment sounds based on music information stored in at least one masking ROM 18 while designating MIDI data that is accompaniment of a song under an arbitrary number while being controlled by the microprocessor 15. Wow, An analog / digital converter 20 for converting a user's voice input from the outside into a digital signal and transmitting the converted digital signal to the sound source controller 19; A digital / analog converter 21 for converting synthesized data obtained by synthesizing stereo music data and voice data output from the sound source controller 19 into an analog signal and outputting the analog signal; A volume controller 22 for adjusting the volume of the music data output through the digital / analog converter 21 so as to be output through the amplifiers 23 and 24, respectively; Power key, curve keys key from 0 to 9, start key, stop key, song search key, reservation key, speed control key, default key to return to initial mode, random switching of karaoke and MP3 functions A key matrix 25 for inputting a user's option consisting of a function switching key, an up key, a down key, a voice volume key, a music volume key, and echo keys for selecting the volume of the echo; Controls internal operations such as outputting an address latch enable signal ALE1 to the flash memory 11 while interworking with the microprocessor 15 while receiving an option through the key matrix 25. A sub microprocessor 26, An LCD module 27 for displaying information according to an operation by letters and / or numbers while being controlled by the sub-microprocessor 26; Under the control of the sub-microprocessor 26, a high frequency signal receiving radio data transmitted wirelessly from the wireless microphone A as a high frequency signal, processing the signal, and transmitting the signal to the analog / digital converter 20 ( 28) and, A high frequency transceiver 29 for converting the synthesized data output through the amplifiers 23 and 24 from the digital / analog converter 21 into a high frequency signal and wirelessly transmitting the same; Under the control of the sub-microprocessor 26, the music signal outputted from the MP3 driver 16 or the lyrics data stored in the flash memory 11 is synthesized to the MIDI music to support the fostering chorus. Wireless hand karaoke, characterized in that consisting of the MP3 decoder 30 outputs through the (32).