KR20030028018A - Hand phone of play an accompaniment - Google Patents

Abstract

The present invention relates to a mobile phone equipped with a karaoke function to add a memory detachable karaoke (karaoke) function to practice singing anywhere anytime.

The present invention provides a plurality of karaoke memory detachable / exchanged; A key input unit for selecting a song stored in the karaoke memory; A memory unit including a selection / execution function, a decoding function, an echo selection function, and a subtitle / image display function; A control unit for executing a selection / execution function, a decoding function, an echo selection function, and a subtitle / image display function stored in the memory unit to output the song selected from the key input unit; An audio signal processor including an echo circuit, a 20 kHz audio channel circuit, and a stereo circuit; A voice input unit which receives a voice of a micro user and delivers it to a voice signal processor; Voice output unit for outputting the accompaniment; Consists of a subtitle and a display unit that displays the video, so that only a few functions can be added to the existing mobile phone to implement karaoke, so you do not need to modify the entire mobile phone system. It is possible to freely select and to output high quality audio signals such as high and low sound, stereo and echo, and use the karaoke function even where the radio wave (base station signal) does not reach.

Description

HAND PHONE OF PLAY AN ACCOMPANIMENT}

The present invention relates to a mobile phone equipped with a karaoke function to add a memory chip detachment / exchange karaoke (karaoke) function in the mobile phone so that you can practice singing anytime, anywhere.

As is well known, the development of mobile phones (PCS, CDMA, GSM, IMT-2000) has given people a very free convenience to spatial movement, and with this convenience, mobile phones are rapidly growing in demand and widespread use by most individuals. The situation is doing.

1 is a block diagram illustrating a mobile phone according to the prior art, and a typical mobile phone includes an RF unit 11, a key input unit 12, a memory unit 10, and an antenna, a duplexer, a transmitter, a receiver, and the like. And a display unit 14, a voice signal processor 15, a voice input unit 16 including a microphone, a voice output unit 17 including a speaker, and a controller 13.

Referring to the operation state of each unit configured as described in detail as follows.

The RF unit 11 manages a call signal and a call message on electromagnetic energy by dividing it into a transmission / reception channel, but usually transmits and receives a transmission / reception signal through one antenna using a duplexer.

The key input unit 12 has a function of inputting numbers, letters, and commands to the control unit 13.

The memory unit 10 includes a program necessary for control and also stores a data input by a user. It also stores text data required for text display.

The display unit 14 displays characters, images, and the like through the liquid crystal panel.

The voice input unit 16 inputs a voice generated during a telephone call into a microphone and transmits it to the control unit 13 via the voice signal processor 15. The transmitted voice signal is modulated into a digital signal and transmitted through an antenna included in the RF unit 11.

The voice output unit 17 inputs the voice of the other party to the control unit 13 through the reception channel in the RF unit 11.

The control unit 13 demodulates the digital voice signal and then outputs it through the speaker of the voice output unit 17 via the voice signal processing unit 15.

In recent years, the majority of individuals use the above-mentioned mobile phones, and in addition to simple telephone functions, many additional functions such as the Internet, fax, games, calculations, notebooks, TV broadcast reception, and the like, in particular, functions related to the present invention, network with a base station A karaoke function using voicemail has been developed to download music by connecting to the Internet or a mobile phone.

However, according to the prior art, the disadvantages of modifying the entire mobile phone system, the inconvenience of difficult to freely select the desired song, and even if you choose once to download the other songs, you need to delete the previous song because of insufficient memory The inconvenience that the voice circuitry of the mobile phone cannot output high quality voice signals such as high and low sound, stereo and echo that karaoke equipment currently has, and radio waves (base station signals) do not reach because of the network. There was a problem that can not use the karaoke function.

The present invention is to remove the inconvenience of the prior art as described above, by providing a memory detachable karaoke (karaoke) function to provide a mobile phone equipped with a karaoke function that allows you to practice singing anytime, anywhere. There is a purpose.

1 is a block diagram showing a mobile phone according to the prior art.

Figure 2 is a block diagram of a mobile phone equipped with a karaoke function according to the present invention.

<Description of the symbols for the main parts of the drawings>

20: memory 20a: selection and execution function

20b: decoding function 20c: echo selection function

20d: subtitle / image display function 21: RF unit

22: key input unit 23: control unit

24: display unit 25: audio signal processing unit

25a: echo circuit 25b: 20 kHz audio channel circuit

25c: stereo circuit 26: audio input unit

27: audio output unit 28: karaoke memory

Cell phone equipped with a karaoke function according to the present invention for achieving the above object is composed of a memory chip (ROM) for storing a plurality of song titles, tunes, subtitles, color image data, numbers, A plurality of karaoke memories provided in a removable / exchangeable manner so as to store a plurality of pieces of data such as audio and color images (including subtitle data) on a plurality of chips so that a desired song can be replaced with another chip when a desired song is not present on one chip; A key input unit for selecting a song stored in the karaoke memory; A memory unit including a song selection / execution function for selecting and executing a song embedded in the karaoke memory, a decoding function for decoding the song and image information compressed in the karaoke memory, an echo selection function, and a subtitle / image display function; A control unit for executing a selection / execution function, a decoding function, an echo selection function, and a subtitle / image display function stored in the memory unit to output the song selected from the key input unit; The echo canceler function is activated when making a phone call, the echo circuit is operated when the karaoke function is activated, and the 20 kHz voice channel for maintaining the bandwidth at least 20 kHz to maintain high sound quality. A voice signal processor including a circuit and a stereo circuit; A voice input unit which receives a voice of a micro user and delivers it to a voice signal processor; A voice output unit for outputting the accompaniment music to the speaker or earphone music processed by the voice signal processor; The display unit may be configured to display a song subtitle and an image under the control of the controller.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

2 is a block diagram of a mobile phone equipped with a karaoke function according to the present invention. As shown, the present invention is a memory unit 20, RF unit 21, key input unit 22, control unit 23, display unit 24, voice signal processing unit 25, voice input unit 26, voice An output unit 27 and a karaoke memory 28 are provided.

The memory unit 20 has a music selection / execution function 20a for selecting and executing a song contained in the karaoke memory 28, and a decoding function for decoding the song and image information compressed in the karaoke memory 28 ( 20b), an echo selection function 20c and a subtitle / image display function 20d.

The voice signal processor 25 has an echo canceler function when making a telephone call, an echo circuit 25a at which an echo function is operated when a karaoke function is operated, and a bandwidth to maintain high sound quality. 20kHz audio channel circuit 25b and stereo circuit 25c are included to maintain the minimum of 20kHz.

The karaoke memory 28 is a repository for storing a plurality of song titles, tunes, subtitles, color image data, and numbers. The karaoke memory chip (ROM) stores several pieces of data such as compressed audio and color images (including subtitle data) on multiple chips so that when a desired song is not on one chip, it can be replaced with another chip. .

In addition, memory chips are compact and lightweight so that memory chips do not significantly affect the size and weight of a cell phone.

To this end, although not shown in the drawings, it is preferable that the mobile phone body is provided with an insert or a holder in which the karaoke memory 28 is detachably mounted.

The data format stored in the memory chip is, firstly, number data that can refer to a song is located, secondly, data corresponding to the title of the song is located, and thirdly, color subtitles and related image data are located.

Looking at the operation of the present invention configured as described above are as follows.

First, the user operates the key input unit 22 to select a song stored in the karaoke memory 28.

Therefore, the control unit 23 selects / executes the function 20a, the decoding function 20b, the echo selection function 20c and the subtitle stored in the memory unit 20 to output the song selected from the key input unit 22. Execute the image display function 20d.

Here, the music selection / execution function 20a read out from the memory unit 20 selects and executes the music embedded in the karaoke memory 28, and the decoding function 20b includes a song compressed in the karaoke memory 28. Decode video information.

Thereafter, the echo circuit 25a of the voice signal processor 25 operates the echo cancel function when making a telephone call, and operates the echo function when the karaoke function is operated. In addition, the 20 kHz audio channel circuit 25b maintains the bandwidth at least 20 kHz to maintain high sound quality, and the stereo circuit 25c reproduces the music in stereo.

The music processed by the voice signal processor 25 is output to a speaker or earphone of the voice output unit 27, and the display unit 24 displays a song subtitle and an image under the control of the controller 23.

On the other hand, the voice input unit 26 receives the user's song sound into the microphone and delivers it to the voice signal processor 25, the voice signal processor 25 outputs the user's song along with the music to the voice output unit 27 Allow accompaniment to listen to your own singing.

In addition, the karaoke memory 28 of the present invention is composed of a detachable / exchangeable memory chip that stores a plurality of song titles, tunes, subtitles, color image data, numbers, and the like. It can be stored on multiple chips so that when a desired song is not on one chip, it can be replaced by another chip.

According to the mobile phone equipped with the karaoke function according to the present invention, it is possible to implement a karaoke function by adding only a few functions to the existing mobile phone, there is no need to modify the entire mobile phone system, regardless of the memory capacity by simply replacing the memory chip You can freely select the song you want, you can output high-quality audio signals such as high and low, stereo and echo, and use the karaoke function even when the radio wave (base station signal) does not reach.

Claims (2)

It consists of a memory chip that stores a number of song titles, tunes, subtitles, color image data, and numbers. A plurality of karaoke memories 28 which are provided in a detachable / exchangeable manner so that they can be replaced with other chips when there is no; A key input unit 22 for selecting a song stored in the karaoke memory 28; A selection / execution function 20a for selecting and executing a song contained in the karaoke memory 28, a decoding function 20b for decoding the song and image information compressed in the karaoke memory 28, and an echo selection function 20c And a memory unit 20 including a caption / image display function 20d; The music selection / execution function 20a, the decoding function 20b, the echo selection function 20c, and the subtitle / image display function 20d stored in the memory unit 20 to output the song selected from the key input unit 22. Control unit 23 for executing the; The echo cancel function is activated when making a telephone call, the echo circuit 25a is operated when the karaoke function is operated, and the 20 kHz audio channel circuit 25b is used to maintain the bandwidth at least 20 kHz to maintain high sound quality. And a voice signal processor 25 including a stereo circuit 25c. A voice input unit 26 which receives a voice of a micro user and delivers it to the voice signal processor 25; A voice output unit 27 for outputting accompaniment music to the speaker or earphone with the music processed by the voice signal processing unit 25; Cell phone equipped with a karaoke function, characterized in that composed of a display unit 24 for displaying a song subtitle and video under the control of the control unit (23). The apparatus of claim 1, wherein the karaoke memory (28); The data format stored in the memory chip is, firstly, number data that can refer to a song is located, secondly, data corresponding to the title of the song is located, and thirdly, color subtitles and related image data are located. The mobile phone with the karaoke function characterized by.