KR20050117776A - Apparatus and method for recording mixed music and voice in portable audio device - Google Patents

Abstract

The present invention relates to a music and voice mixing recording apparatus and method in a portable audio device, for example, a user voice input through a microphone (Mic) in a portable audio device such as an MP3 player (MP3-Player) Voice) and music of MP3 files read out and reproduced from the memory can be mixed and recorded and stored in the memory, so that a user having a portable audio device such as an MP3 player mixes his or her voice with the reproduced audio. It is a very useful invention that can be easily recorded, which can greatly improve the convenience of the user.

Description

Apparatus and method for recording mixed music and voice in portable audio device}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music and voice mixing recording apparatus and method in a portable audio device. For example, in a portable audio device such as an MP3 player, music of a user voice and an MP3 file can be recorded. A music and voice mixing recording apparatus and method in a portable audio device for mixing and recording to a memory.

In general, a portable audio device, such as an MP3 player, which is widely used and commercialized, has a memory 10, a decoder 11, an earphone 12, an encoder 13, a microphone 14, as shown in FIG. ), The microcomputer 15, the LCD 16, and the keypad 17 may be configured to be included.

The memory 10 may include various types of memory such as a nonvolatile flash memory or a memory stick, and high quality MP3 files may be recorded and stored. The MP3 file read from the memory 10 may be After decoding by the decoder 11 and restoring and reproducing the original audio data, sound is output through the earphone 12.

In addition, a user voice input through the microphone 14 is encoded into the audio data by the encoder 13 and then recorded in the memory. The decoder and the encoder have one codec. It can be integrated into).

In addition, the microcomputer 15 performs a series of audio reproducing operations of reading and reproducing an MP3 file according to a key input selected by the user through the keypad 17, or is input through the microphone. A series of voice recording operations are performed to record the user voice in the memory.

In addition, the microcomputer 15 searches for the file system information of the MP3 files in the memory to search for audio song names, artist names, playback times, and the like, of the MP3 files to be played back or recorded. In addition, the user may display the image through the LCD 16 so that the user can check it.

Accordingly, the user with the MP3 player can easily play and listen to the MP3 file stored in the memory, and can also record and store the voice in the memory by inputting his voice through the microphone.

However, although a portable audio device such as the MP3 player is provided with the basic MP3 file playback function and the user voice recording function as described above, music that can be recorded in the memory by mixing the voices of the users while playing the MP3 file is provided. And since the voice mixing recording function is not provided, it is urgently required to prepare an effective solution for this.

Accordingly, the present invention was created in view of the above situation, and in a portable audio device such as an MP3 player, a user voice input through a microphone and read-out from a memory It is an object of the present invention to provide a music and voice mixing recording apparatus and method in a portable audio device for mixing music of MP3 files to be easily recorded in the memory.

A music and voice mixing recording apparatus in a portable audio device according to the present invention for achieving the above object comprises: reproducing means for decoding and reproducing an audio file read out from a memory; Recording means for encoding and recording a user voice input through a microphone; Mixing means for mixing music of the reproduced audio file and a user voice input through the microphone; And control means for selectively enabling the mixing means and controlling the recording means according to a user's key input to record and store the music and the user voice of the mixed audio file in the memory. Characterized in that configured to,

In addition, the music and voice mixing recording method in the portable audio device according to the present invention comprises the steps of: reading and playing any one audio file selected by the user from among the audio files stored in the memory; Mixing the music of the reproduced audio file with a user voice input through a microphone; And recording and storing the mixed user voice and music in the memory.

Hereinafter, a preferred embodiment of a music and voice mixing recording apparatus and method in a portable audio device according to the present invention will be described in detail with reference to the accompanying drawings.

First, in a portable audio device to which the present invention is applied, for example, an MP3 player, as shown in FIG. 2, the memory 20, the decoder 21, the earphone 22, the encoder 23, the microphone 24 are provided. , The microcomputer 25, the LCD 26, the keypad 27, and the like, and between the encoder 23 and the microphone 24, the music of the MP3 file reproduced and output through the decoder 21; In addition, a mixer 28 for mixing a user voice input through the microphone 24 is additionally installed.

On the other hand, in the microcomputer 25, when a user selects an MP3 file previously stored in the memory 20 by using a play key button provided in the keypad 27, and requests an audio play operation. In addition, the MP3 file is selected and read, and the decoder 11 is operated to perform a series of operations of decoding and reproducing the MP3 file.

In addition, when the user requests recording of a user voice input through the microphone 24 by using a recording key button provided in the keypad, the microcomputer 25 operates the encoder 23. By controlling, a series of operations of encoding and recording and storing a user voice are performed. In this case, the mixer 28 is in a disabled state by the operation control of the microcomputer 25. Only the user voice input through the microphone 24 is input to the encoder.

The microcomputer 25 operates the decoder 21 as described above, and reproduces and outputs the MP3 file, while the user uses the recording key button provided in the keypad to operate the microphone 24. When requesting mixing and recording of the user voice input through the music, and the music of the playback output MP3 file, enabling the mixer 28 and controlling the encoder 23 at the same time Thus, the user voice mixed by the mixer and the reproduced music are input to the encoder.

Accordingly, while the user plays the MP3 file, the user can mix the music of the played MP3 file and his or her voice together and simply record and store the same in the memory.

3 is a flowchart illustrating a method for recording music and voice mixing in a portable audio device according to the present invention. For example, in a state in which a system power of the MP3 player is normally turned on, In the case of selecting and specifying a karaoke mode (S10), the microcomputer 25 selects one MP3 file among a plurality of MP3 files previously stored in the memory 20.

For example, the microcomputer 25 searches and searches file system information stored in the memory 20 to display various file information such as audio song names or singer names for MP3 files. After the output is displayed on the user selection menu through), the user selects and reads any one MP3 file selected by the user (S11).

Then, the decoder 21 operates to decode audio data of the read MP3 file, and then performs a series of audio song reproducing operations such that the corresponding music is output as a sound through the earphones 22. It is made (S12).

On the other hand, the microcomputer 25, while performing the audio song playback operation as described above, it is confirmed whether the user selects and inputs the recording key button provided in the keypad (S13), for example, the recording key In the state in which the button is not input, if the playback stop button is input (S14), after stopping the audio song playback, any corresponding operation requested by the user is performed.

On the other hand, when the user selects and inputs a recording key button provided in the keypad while performing the audio song playing operation, the microcomputer 25 enables the mixer 28 to enable the microphone. A user voice input through 24 is mixed with music of an MP3 file reproduced and output through the decoder 21 (S15).

In addition, the microcomputer 25 enables the mixer 28 and controls the encoder 23 to encode user voices and playback music mixed by the mixer 28. After that, the music and voice mixing recording operation for recording and storing in the memory is performed.

On the other hand, the music and voice recorded and stored in the memory 20 through the above-described process, for example, as shown in Figure 4, the pre-stored MP3 audio (MP3-Audio #) file and voice It can be stored as a new file (e.g. MP3 & Voice #), which is distinct from the Voice-Record # file, and the MP3 file name (MP3_File_Name) and user name (User_Name) can be stored as the file information. Can be.

In addition, when the user requests to stop recording in the microcomputer 25 (S17), the mixer 28 is switched from the enabled state to the disabled state, and the operation is controlled by the encoder 23. In this case, the recording operation is stopped (S18), and any corresponding operation requested by the user is performed (S19).

Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

Music and voice mixing recording apparatus and method in the portable audio device according to the present invention configured and made as described above, for example, in a portable audio device such as an MP3 player (MP3-Player), is input through a microphone (Mic) A user having a portable audio device such as an MP3 player can mix his or her own voice and the music of the MP3 file read out from the memory to be recorded and stored in the memory. It is a very useful invention that can be easily mixed by mixing together, which greatly improves the user's convenience.

1 shows a configuration of a general portable audio device,

2 illustrates a configuration of a portable audio device to which the present invention is applied.

3 is a flowchart illustrating an operation of a music and voice mixing recording method in a portable audio device according to the present invention;

4 is a table showing a list of audio files stored and managed according to the present invention.

※ Explanation of code for main part of drawing

10,20: memory 11,21: decoder

12,22 Earphone 13,23 Encoder

14,24: microphone 15,25: microcomputer

16,26: LCD 17,27: Keypad

28: mixer 100,200: MP3 player

Claims (7)

Reading and reproducing any one audio file selected by a user from among audio files stored in a memory; Mixing the music of the reproduced audio file with a user voice input through a microphone; And And recording and storing the mixed user voice and music in the memory. The method of claim 1, In the first step, the audio and voice mixing recording method of the portable audio device, characterized in that the audio file selected by the user is read and reproduced while the karaoke mode is set. The method of claim 1, The second step is to enable a mixer installed on the path of the microphone input signal, and to mix the music of the audio file and the user voice, music and voice mixing recording method in a portable audio device. The method of claim 1, In the step 3, recording and storing the mixed user voice and music as a new file distinguished from the files previously stored in the memory, the music and voice mixing recording method of the portable audio device. Reproducing means for decoding and reproducing an audio file read out from the memory; Recording means for encoding and recording a user voice input through a microphone; Mixing means for mixing music of the reproduced audio file and a user voice input through the microphone; And And control means for selectively enabling the mixing means and controlling the recording means according to a user's key input, and recording and storing the music and the user voice of the mixed audio file in the memory. And a music and voice mixing recording apparatus in a portable audio device. The method of claim 5, And the control means enables the mixing means when the record key button is input while the audio file is being played in the karaoke mode. The method of claim 5, And the control means records and stores the music and the user voice of the mixed audio file as a new file distinguished from the files previously stored in the memory.