KR20070076328A - Music Sound Fast Reduction Device and Reduction Method of Portable Wireless Terminal - Google Patents

Abstract

The present invention relates to a device for rapidly reducing music sound and a method for reducing the wireless sound of a portable wireless terminal. In a portable wireless terminal having an MP3 (MPEG Audio Layer-3) embedded therein, when a sudden occurrence occurs while a user listens to music. It includes the ability to attenuate the sound at high speed and restore the original sound with one touch at the end of an accident. Therefore, continuous music listening is possible while minimizing user inconvenience.

Description

Music sound rapid decrease appratus and its method of a cellphone}

1 is a schematic block diagram of a portable wireless terminal and a peripheral related system in which a music file playing function is stored;

2 is a flowchart illustrating a method for rapidly reducing music sound in a portable wireless terminal.

3 is a flowchart illustrating a countermeasure when a sudden situation occurs while playing a music file of a portable wireless terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a driving process of a method for rapidly reducing music sound of a portable wireless terminal according to another embodiment of the present invention.

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

61: digital signal processor 62: buffer memory

63: MP3 processor 64: Internal memory

65 control unit 66 display unit

67: wireless transmission unit 68: key input unit

69: audio output unit 70: audio equalizer

100: portable wireless terminal 200: recording and playback

300: computer 400: server

500: external memory

The present invention is capable of playing MP3 music in a portable wireless terminal, and in particular, while giving MP3 music a high speed, by providing a sound as desired by the user with a single button operation, the convenience of use is improved. The present invention relates to a music sound fast reduction apparatus and a reduction method of a portable wireless terminal.

Today, with the remarkable developments in the field of information and telecommunications, there is a rapid change in the information and communication environment. Among these changes, mobile communication is used so much that it is considered a necessity in modern society. With the expansion of the base of mobile communication, various functions are added to the terminal, and now, the user can use the Internet as well as telephone, receive and receive various text services such as message transmission and reception, data storage function, weather, stock, etc. .

In recent years, as the storage and existence forms of information are digitized from analog, the size of digital image data is gradually decreasing due to the development of moving picture expert group (MPEG) technology of moving picture data. Many data can be stored in memory.

In addition, video data as well as audio data are being digitized. MP3, which converts analog audio data into digital audio data and applies the MPEG compression technology to audio compression, can listen to music with a small amount of digital data. have. As the spread of MP3 music spreads, MP3 player having a means for storing MP3 data and means for playing and storing MP3 music so that MP3 music can be listened to on the move has become widespread.

This function stores the MP3 music file requested by the user from the server in the memory, reads the corresponding music file from the memory based on the user music file reproduction request, and plays back the music of the music file.

Specifically, the user finds a desired music file by using data communication in a computer, downloads it to a computer, and then downloads it to a portable wireless terminal to set the music file to be stored in the memory of the MP3 music file. The portable wireless terminal with the MP3 function currently in use plays MP3 music file and plays the song to the user.

However, when a sudden situation occurs while listening to MP3 music with a portable wireless terminal, there is a problem that the sound must be lowered by only removing one earphone or pressing the volume key several times when not wanting to stop listening to music.

An object of the present invention is to solve the problems of the prior art as described above, the user sets the sound quick control button to quickly reduce the sound with one touch, and also restores the sound to the previous state with one touch. The present invention provides a reduction device and a reduction method.

In order to achieve the above object, in the apparatus and method for rapidly reducing music sound of a portable wireless terminal of the present invention, when a sudden situation occurs while listening to music, the sound can be reduced at a time by using the fast control button without stopping the music. .

In the present invention, the music sound fast reduction apparatus includes a control unit for controlling data according to a signal input from a key input unit of a portable wireless terminal, and includes a memory for storing the data. Preferably, the audio output unit may include an audio output unit for reproducing voice data among the data in the memory, and a key input unit for providing key input data to the controller.

In the present invention, the keypad preferably includes a numeric key, a volume key, an end key, an erase key, a call key, a function key, and the like.

In the present invention, it is preferable that the function key is set as a fast control button.

In the present invention, it is preferable that the fast control button is set so that the sound can be reduced at a time by a single click while playing a music file using a portable wireless terminal.

In the present invention, the control unit preferably controls the state of the audio output unit according to the input of the fast control button.

A method for rapidly reducing music sound when listening to music in a portable wireless terminal of the present invention includes listening to music using the portable wireless terminal, and including a step in which a sudden situation occurs during the process of listening to the music. It is preferable to include the step of clicking the fast adjustment button when an accident occurs.

In the present invention, it is preferable that the fast control button is set to use the function key among the keys of the basic key input unit on the portable wireless terminal as the high speed control button, input into the memory of the portable wireless terminal, and controlled by the controller.

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

1 is a schematic block diagram of a portable wireless terminal and a peripheral related system in which a music file playing function is stored.

1 illustrates an example of compressing an MP3 music file. In FIG. 1, reference numeral 100 denotes a portable wireless terminal. In addition, the recorder / player 200, the computer 300, the server 400, and the external memory 500 correspond to the peripheral devices.

The recorder / player 200 plays a role of recording or reproducing audio from a recording medium. Examples of the recording medium include cassette tapes, compact discs, digital video, laser discs, digital audio tapes, and the like.

The computer 300 connects to the server 400 on the Internet, downloads an MP3 music file and a caption format file corresponding thereto, and stores the downloaded MP3 music file in the portable wireless terminal 100. The music file received from the terminal 100 may be sent to another portable wireless terminal via electronic mail.

In addition, the music file sent by the other party is received and downloaded to the portable wireless terminal 100. The server 400 stores music files having a predetermined compression ratio and a caption format file corresponding thereto according to an embodiment of the present invention, and wirelessly connects to the portable wireless terminal 100 or wires the computer ( 300, a music file and a corresponding caption format file are transmitted to or received from a remote terminal according to an e-mail protocol. The external memory 500 is an auxiliary memory that serves to assist the internal memory of the portable wireless terminal 100. For example, a smart card or a hard disk or floppy disk can be used.

The specific configuration and operation of the portable wireless terminal 100 as described above are as follows.

The digital signal processor 61 compresses the audio provided from the recorder / player 200 in the form of a bit rate to be compressed, that is, an MP3 music file or an audio signal received through an electronic mail, and compresses the audio signal from an MP3 music file. Convert to a digital signal if possible. In addition, the MP3 processor 63 to be described later converts the decompressed music file, that is, the sampled audio signal, into an analog voice signal.

The buffer memory 62 temporarily stores the sampled audio signal in preparation for a phenomenon in which a delay occurs when the digital signal processor 61 samples the audio provided from the recorder / player 200 and converts it into an MP3 music file. Memory to save as. When a digital signal processor 61 converts an MP3 music file into an audio signal and a delay occurs, the memory file temporarily stores the music file. The buffer memo 62 may use a RAM.

The MP3 processor 63 compresses the sampled audio signal according to MP3 protocol and converts the MP3 music file into an MP3 music file or uses an external or internal storage medium from the external memory 500. It restores by reading and decompressing MP3 music files stored there.

The control unit 65 controls the digital signal processor 61 and the MP3 processor 63 and the like to record / play the MP3 music file in the portable wireless terminal and the caption corresponding to the MP3 music file. By reading the format file, the caption subtitle is controlled to be displayed on the display unit 66.

The display unit 66 displays various states occurring while performing a recording / playback function of MP3 music files under the control of the control unit 65 in the form of letters or numbers.

The wireless transmitter 67 transmits / receives an MP3 music file and a corresponding caption format file wirelessly through a standby e-mail as well as a unique call function under the control of the controller.

The key input unit 68 is a user interface means having various keys for performing a recording / playback function of MP3 music files as well as a unique call function.

The audio output unit 69 amplifies an audio signal obtained by playing an MP3 music file under the control of the control unit 65 and outputs the audible sound so that the user can hear it. The output can be achieved through earphones as well as speakers.

The audio equalizer 70 processes to increase the sound quality in order to provide better music to the user.

Although not shown, when the computer 300 and the portable wireless terminal 100 each have an infrared transceiver, the speed may be improved by using infrared transmission and reception when transmitting and receiving MP3 music files therebetween.

The portable wireless terminal as shown in FIG. 1 selectively uses a function of storing and playing music files while basically using a telephone function.

2 is a flowchart illustrating a method for rapidly decreasing music sound of a portable wireless terminal.

Referring to FIG. 2, when an unexpected situation occurs while the music function of the portable wireless terminal is being driven, the user may reduce the desired listening sound with one touch using a high speed sound control button.

At this time, the sudden situation means, for example, when listening to music while walking along the street, meeting a friend, or going shopping and talking with a clerk. If you do not want to stop listening to the music when the accident occurs, it is possible to reduce the sound at once by using the fast control button.

FIG. 3 is a flowchart illustrating a countermeasure when a sudden situation occurs while playing a music file of a portable wireless terminal according to an exemplary embodiment of the present invention.

In the conventional process of listening to MP3 music files using a portable wireless terminal, if a sudden situation occurs (S301), the music had to be stopped (S302).

According to the present invention, when the abrupt situation occurs (S301), without interrupting the music (S302) by adjusting the sound to listen to the music seamlessly in the middle. In the case of adjusting the sound, in the related art, the sound is reduced as much as specified by using the volume key, and there is also the inconvenience of pressing several times.

However, in the present invention, when the user sets the high speed control button S303 in advance and clicks the high speed control button (S303) at the time of occurrence of an unexpected situation (S301), the music is rapidly reduced by the size of the music set by the control unit. . After the abrupt situation ends (S304), the high speed control button is clicked again (S305) to recover the sound before the abrupt situation occurs.

4 is a flowchart illustrating a driving process of a method for rapidly reducing music sound of a portable wireless terminal according to another embodiment of the present invention.

Referring to FIG. 4, when a sudden situation occurs (S402), the high speed sound control buttons (S404, S406S, S408) are operated in a state previously set by the user (S403).

When the sound fast adjustment button is clicked once (S404), the sound of music is reduced by 20% (S405), and when the sound fast control button is clicked twice (S406), the sound of music is reduced to 80% (S407). If the sound high-speed control button is clicked three times (S408), the sound is set to be muted (S409). When the abrupt situation is terminated (S410), pressing the sound quick control button for 3 seconds or longer (S411) sets the sound to be restored to the size before the sound is reduced (S412).

This setting eliminates the inconvenience of having to lower one's sound by unplugging one earphone or pressing the volume key several times in the event of an accident. In addition, when an accident occurs, it is not necessary to end the music in the middle, thereby allowing continuous music listening.

In addition, in the streaming technique, the receiver does not have to wait because the receiver plays back the flow, so the capacity of the hard disk is not limited. Therefore, using the streaming technique, the mobile operator can increase the revenue.

As described above, according to the present invention, there is a high-speed sound reduction and sound recovery function by one touch, thereby minimizing user inconvenience.

In addition, there is an effect that can be continuous listening to music in the event of a sudden situation.

In addition, if the streaming technique is used, there is an effect of increasing the revenue of the mobile communication provider.

Claims (7)

A control unit controlling data according to a signal input from a key input unit of the portable wireless terminal; A memory for storing the data; A speaker for reproducing voice data among the data in the memory; Music sound fast reduction apparatus of a portable wireless terminal comprising a keypad for providing key input data to the control unit. The apparatus of claim 1, wherein the keypad includes a numeric key, a volume key, an end key, an erase key, a call key, a function key, and the like. The apparatus of claim 2, wherein the function key is set as a fast adjustment button. The music sound high speed of the portable wireless terminal according to claim 3, wherein the fast control button is set so that the sound of the music can be reduced at a time by a single click while playing a music file using the portable wireless terminal. Reduction device. The apparatus of claim 1, wherein the control unit controls the state of the speaker according to the input of the fast adjustment button. Fast way to reduce music sound when listening to music on a portable wireless terminal, Listening to music using the portable wireless terminal; A sudden occurrence occurs during the process of listening to the music; And clicking a fast adjustment button when the accident occurs. The portable wireless terminal of claim 6, wherein the quick control button is configured to use a function key among the basic keypads on the portable wireless terminal as the quick control button, input the memory key into a memory of the portable wireless terminal, and control the control unit through a control unit. To reduce music sound fast.

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