KR100543044B1 - Portable mp3 player having function of beat box - Google Patents

Abstract

A portable MP3 player employing the disclosed bitbox function comprises: a portable MP3 player for digitally storing and reproducing various audio data such as music, the main body; A codec installed in the main body to convert the data so that a computer or the like can recognize and reproduce the data; A vibration acceleration sensor which detects shaking and acceleration of the main body while the data is reproduced; A memory in which the data is stored; A central processor for controlling signals by exchanging signals with the codec, the vibration acceleration sensor, the memory, and detecting an output value of the vibration acceleration sensor; An electronic volume for outputting a voice signal at different volumes according to the signal output from the central processing unit; A barrier cap for changing sound quality differently according to a signal output from the central processing unit; And an amplifier for receiving the signal of the electron volume and the barrier cap and amplifying it. According to the present invention, a listener of a portable MP3 player can be brought to life, and the listener has an advantage of enjoying music while moving his or her body a lot.

MP3 player, beat box, vibration acceleration sensor

Description

Portable MP3 player with beat box function {PORTABLE MP3 PLAYER HAVING FUNCTION OF BEAT BOX}

1 is a block diagram schematically showing the configuration of the human body is attached to the rhythm stimulator according to the prior art.

Figure 2 is an external perspective view of a portable MP3 player employing a bit box function according to the present invention.

3 is a block diagram schematically showing the internal configuration of FIG.

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

10. Body

11.Codec

12. Vibration acceleration sensor

13. Memory

14. Central Processing Unit

15. Electronic Volume

16. Bari Cap

17. Amplifier

18. Output device

19. Display device

21.DSP

The present invention relates to a portable MP3 player employing a bit box function, and more specifically, to a portable MP3 (hereinafter referred to as MP3) and digital reproduction of a signal stored in a memory using a vibration acceleration sensor. The present invention relates to a portable MP3 player employing a beat box function that changes volume and sound quality according to the degree of movement of the device.

Recently, MP3 players, which can replace cassette players, store a large amount of music, and play back with high quality sound, are rapidly spreading. As described above, MP3 players are widely and rapidly spreading, especially in the younger generation, because they can play high-quality sound and can download and store music on the Internet.

Meanwhile, as shown in FIG. 1, a switch SW contacted by human contact with a human body, and a memory unit 1 for outputting a memory stored for a predetermined time when the switch SW is contacted; A sound output unit 2 for generating music and sound recorded in the memory unit 1 by a command stored in the memory unit 1, and a signal of a specific bit output from the memory unit 1; According to the rhythm stimulator configured to operate the vibration generating unit (3) for generating vibration at the same time, and also to shake the body in accordance with the rhythm of music by the vibration transmitted from the vibration generating unit (3) There was a human body attachment.

The switch SW is turned on when the human body is in contact, and turned off when the human body is not in contact.

In addition, the motor driving unit 4 which moves an attachment that may be formed on a part of the body, which is a human body worn by the command stored in the memory unit 1, is also operated simultaneously. In addition, the LED light emitting unit 5 is turned on by the vibration transmitted from the vibration generating unit (3).

When wearing the human body wear with the rhythm stimulator configured as described above, not only can you hear the music flowing out of the human wear, but also the LED light emitting unit 5 lights up according to the beat of the rhythm of the music. According to the vibration of the human body wears, even if you are monotonous or there are noises generated when you are working around you or you can not hear the music flowing from the human body wear, you can feel the vibrations to the body to the rhythm of music By doing so, you can dance to the rhythm of the music while shaking your body and feeling exciting.

Human body wear with a rhythm stimulator as described above is disclosed in Korean Laid-Open Patent Publication 2000-0047366.

However, in the wearable body with a rhythm stimulator according to the related art, the LED light emitting unit 5 lights up according to the beat of the rhythm of the music flowing out of the wearable body, the wearable body vibrates, and the vibration It's just a transmission to the body.

Therefore, it does not change the volume or sound quality of the music at all, which reduces the liveliness and interest.

The present invention was created in order to solve the above problems, the sensor detects the shaking and acceleration of this set in the portable MP3 play that is now widely spread so that the beat sound is generated by the listener when listening to the MP3 player lively and interesting The purpose of the present invention is to provide a portable MP3 player employing a bit box function to give.

A portable MP3 player employing the bit box function of the present invention for achieving the above object comprises: a portable MP3 player for digitally storing and reproducing various audio data such as music, the main body; A codec installed in the main body to convert the data so that a computer or the like can recognize and reproduce the data; A vibration acceleration sensor which detects shaking and acceleration of the main body while the data is reproduced; A memory in which the data is stored; A central processor for controlling signals by exchanging signals with the codec, the vibration acceleration sensor, the memory, and detecting an output value of the vibration acceleration sensor; An electronic volume for outputting a voice signal at different volumes according to the signal output from the central processing unit; A barrier cap for changing sound quality differently according to a signal output from the central processing unit; And an amplifier for receiving the signal of the electron volume and the barrier cap and amplifying it.

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

FIG. 2 is a schematic external perspective view of a portable MP3 player employing a bitbox function according to the present invention, and FIG. 3 schematically illustrates a block diagram of FIG. 2.

Prior to the description, detailed description of the general portable MP3 player will be omitted, and only the configuration according to the features of the present invention will be described.

Referring to each of the drawings, the portable MP3 player employing the bit box function according to the present invention is to digitally store various audio data such as music and to reproduce it, so that the appearance and other components can be mounted A main body 10 made up of the main body 10, a codec 11 installed in the main body 10 so as to recognize data, for example, by a computer, and convert the data to be reproduced, and the main body 10. In other words, a vibration acceleration and acceleration sensor 12 that detects shaking and acceleration of a set, and a memory made of, for example, a flash memory or an HDD storing data such as an MP3 file ( 13) is configured to include.

In the portable MP3 player employing the bit box function according to the present invention, signals are exchanged with the codec, the vibration acceleration sensor 12, the memory 13, and the like. A central processing unit (CPU) 14 for detecting an output value, an electronic volume 15 for outputting a voice signal at a different volume according to a signal output from the central processing unit 14, and the central processing unit ( 14 receives a signal of the varicap (voltage regulating capacitor) 16 and the electron volume 15 and the varicap 16 to change the sound quality differently according to the signal output from the amplification. An amplifier 17 is provided.

In addition, for example, a speaker or earphone, which is an output device 18 for outputting the signal amplified by the amplifier 17 to the outside of the main body, is provided.

The vibration acceleration sensor 12 may include any one of two-axis (X, Y) (2-axis) or three-axis (X, Y, Z) (3-axis) vibration acceleration sensors.

For example, a display device 19 made of, for example, an LCD is installed outside the main body 10 such that the volume and the quality of the sound vary according to the operation of the vibration acceleration sensor 12. In other words, the display device 19 displays the file information and the like, as well as changes in sound quality and volume, which are immediately processed by numbers or graphics.

In addition, the central processing unit 14 controls the value input by the vibration acceleration sensor 12 to control various sound field modes, for example, a stadium mode, a hall mode, or a church mode. There is provided a Digital Signal Processor (DSP) 21 which can be operated by the same.

Referring to the operation of the portable MP3 player employing the bit box function according to the present invention having the configuration as described above is as follows.

Referring again to the drawings, the portable MP3 player employing the beat box function according to the present invention is set according to the beat of music played in the set or according to the movement of the holder of the portable MP3 player. The oscillation and acceleration of the vibration acceleration sensor 12 attached to this set, that is, the output value, that is, the amount of inclination of the X-axis and Y-axis or Z-axis of the vibration acceleration sensor 12 is detected by the central processing unit 14.

Then, the central processing unit 14 that detects the output value of the vibration accelerometer 12 adjusts the sound quality by using the volume input to the amplifier 17 and the varicap 16.

For example, while playing back an MP3 music file stored in the memory 13, the sound is changed at the same time to generate a beat sound. That is, the volume and the sound quality are changed by the shaking and acceleration of the set even during the playback of the MP3 player.

In other words, the vibration and acceleration of the set is detected by the vibration acceleration sensor 12 to change the volume and sound quality according to the inclination amounts of the X axis and the Y axis or the Z axis of the vibration acceleration sensor 12 to generate a beat sound. Then, according to the movement of the body and shaking and acceleration of the set, the central processing unit 14 changes the volume and sound quality of the sound itself by using the electronic volume 15 and the varicap 16.

For example, the drum sound may be stored in the memory 13 and may be output to another channel by changing the level and sound quality of the drum sound according to the amount of movement of the set during the set operation. At the same time, the display device 19 continuously displays the degree of change in volume and sound quality.

As described above, the portable MP3 player employing the bit box function according to the present invention has the following effects.

By changing the volume and sound quality according to the movement and acceleration of the set of the portable MP3 player or the output sound, the MP3 player generates beat sound, which can give the listeners a sense of vibrancy, and the listeners move their bodies a lot. You can enjoy music.

Listeners can move while listening to music, which doubles their satisfaction with the sound.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (4)

In a portable MP3 player that digitally stores and reproduces various audio data such as music, A main body; A codec installed in the main body to convert the data so that a computer or the like can recognize and reproduce the data; A vibration acceleration sensor which detects shaking and acceleration of the main body while the data is reproduced; A memory in which the data is stored; A central processor for controlling signals by exchanging signals with the codec, the vibration acceleration sensor, the memory, and detecting an output value of the vibration acceleration sensor; An electronic volume for outputting a voice signal at different volumes according to the signal output from the central processing unit; A barrier cap for changing sound quality differently according to a signal output from the central processing unit; And a amplifier for receiving the signal of the electronic volume and the barrier cap and amplifying it. The method of claim 1, The vibration acceleration sensor, Portable MP3 Player with bit box function, characterized in that it consists of either two or three axes of acceleration sensors. The method of claim 1, Portable MP3 player employing a bit box function, characterized in that the display device is installed on the outside of the main body so that the change in the volume and the sound quality according to the operation of the vibration acceleration sensor. The method of claim 1, Portable MP3 player employing a bit box function, characterized in that it further comprises a digital signal processor that can be operated in various sound field modes by controlling from the central processing unit to the value input by the vibration acceleration sensor.

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