KR100678159B1 - Method for replaying music file of portable radio terminal equipment - Google Patents

Abstract

According to an aspect of the present invention, there is provided a method of reproducing a music file in a portable wireless terminal having a built-in MP3 playback function, the method comprising: reading a music file requested for playback when the music file is requested to play, and the music file includes the caption format file; If the format does not, the music file is output, and a caption format file corresponding to the music file is read, and the caption format file is output to correspond to the output of the music file.

Captioning captions for MP3s, portable wireless terminals, music files, and songs

Description

Apparatus and method for playing music file in portable wireless terminal {METHOD FOR REPLAYING MUSIC FILE OF PORTABLE RADIO TERMINAL EQUIPMENT}

1 is a schematic block diagram illustrating a portable wireless terminal having a music file playing function and a peripheral related system according to an embodiment of the present invention;

2 is a control flowchart for reproducing a music file of a portable wireless terminal according to an embodiment of the present invention.

The present invention relates to the functionality of a portable wireless terminal, and more particularly to a method for playing a music file.

Portable wireless terminals include cellular phones, PCS phones, IMT-2000 terminals, GSM terminals, cellular phones, cellular phones, mobile phones. Recently, as the spread of portable wireless terminals has expanded, user needs have also diversified. Therefore, the technology has been developed such that the portable wireless terminal can perform various additional service functions such as text service in addition to the native call function. At the same time, it is getting smaller and more and more features are added for user convenience.

A representative example of the additional service function is an incoming ring tone selection function. This function is meaningful in that it provides a ringing tone suitable for the user's taste, which is different from the previous method that the user has selected and used one of several ringing rings uniformly provided by the manufacturer. Specifically, a user finds a desired music file using data communication in a computer, downloads the downloaded music file to a computer, and then downloads it to a portable wireless terminal to set the music file as a ring tone.

The portable wireless terminal with the MP3 playback function currently being used plays MP3 music files and plays songs to the user while simultaneously displaying the title and operation status on the display unit. Therefore, if the lyrics of a MP3 music file are foreign languages, Koreans who do not hear foreign languages will have difficulty understanding the lyrics. In addition, even if the lyrics of the song is native language, if the lyrics of the song is displayed on the display of the portable wireless terminal will be a great response to the user.

Accordingly, an object of the present invention is to provide a method for reproducing a music file of a portable wireless terminal, which enables a user to listen to music while also viewing lyrics of the listening music.
To this end, the present invention provides a method of reproducing a music file in a portable wireless terminal having an MP3 playback function, the method comprising: reading out the music file when the music file is requested to be played; and wherein the music file is the caption format file. If the format does not include, the process of outputting the music file, reading the caption format file corresponding to the music file and outputting the caption format file corresponding to the output of the music file.
In addition, the present invention provides a device for reproducing a music file in a portable wireless terminal having a built-in MP3 playback function, comprising: a memory unit for storing a music file or a caption format file corresponding to the music file, and an audio for outputting the music file; An output unit, a display unit for outputting the caption format file, and checking whether the caption format file is included in the music file, if not included, outputting the music file through the audio output unit, and displaying the caption through the display unit And a CPU which controls to output a format file corresponding to the output of the music file.

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Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, specific details such as specific components are shown, which are provided to help a more general understanding of the present invention, and it is common in the art that such specific matters may be modified or changed within the scope of the present invention. It is self-evident to those who have knowledge.

According to an embodiment of the present invention, the MP3 file is composed of a file in which a caption format file is added as well as an existing music file, and the file is downloaded to a server by a portable wireless terminal to play a song of a voice file and correspondingly. Display the caption caption for the song.

1 is a schematic block diagram illustrating a portable wireless terminal and a surrounding related system in which a music file playing function is built according to an exemplary embodiment of the present invention. 1 illustrates an example of compressing a MP3 (Moving Picture Experts Group (MPEG) -1 audio layer) 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 discs, laser discs, digital audio tapes, and the like. Computer 300 is connected to the server 400 on the Internet according to an embodiment of the present invention to download the downloaded MP3 music file and the corresponding caption format file (download) and store the function in the portable wireless terminal 100 And, it is possible to send the music file received from the portable wireless terminal 100 to the other party (owner of another portable wireless terminal) through the e-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 wirelessly connects to the computer 300. By connecting, 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. A digital signal processor (hereinafter referred to as a DSP) 61 is used to compress audio provided from the recorder / player 200 to a bit rate, that is, an MP3 music file, or to sample an audio signal received through an e-mail. It is sampled and converted into a compressible digital signal in the form of an MP3 music file. In addition, the compression / restorer (MP3 processor 63) described later converts the decompressed music file, that is, the sampled audio signal, into an analog audio signal. The buffer memory 62 is a memory for temporarily storing the sampled audio signal in preparation for a phenomenon in which a delay occurs when sampling the audio provided from the recorder / player 200 in the DSP 61 and converting it into an MP3 music file. to be. In addition, when a delay occurs when the MP3 music file is reproduced and converted into an audio signal by the DSP 61, it is a memory for temporarily storing the music file. The buffer memory 62 may use a RAM. The MP3 processor 63 compresses the sampled audio signal according to the MP3 protocol and converts it into an MP3 music file or uses an external or internal storage medium (flash memory). Memory 500] to restore MP3 music files stored therein by decompressing them.

The CPU 65 controls the DSP 61, the MP3 processor 63, and the like to record / play back the MP3 music file and the songs of the MP3 music file in the portable wireless terminal according to the embodiment of the present invention. The caption format file is read to control the caption subtitle to be displayed on the display unit 66. The display unit 66 displays various states that occur while performing the recording / playback function of the MP3 music file under the control of the CPU 65 in the form of letters or numbers. In particular, in the embodiment of the present invention, the caption subtitle of the caption format file corresponding to the song of the MP3 music file is displayed under the control of the CPU 65. The RF unit 67, under the control of the CPU 65, wirelessly transmits and receives the MP3 music file and the corresponding caption format file through the e-mail in addition to the unique call function. The key input unit 68 is a user interface means having various keys for performing a recording / playback function of an MP3 music file 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 CPU 65 and outputs the audio signal in the form of an audible sound for the user to hear. The output may be through a speaker as well as an earphone. The audio equalizer 70 performs well-known processing to improve the sound quality in order to provide better music to the user. Although not shown, when the computer 300 and the portable radiotelephone 100 each have an infrared transmitter and receiver, the speed can 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 control flowchart for reproducing a music file of a portable wireless terminal according to an embodiment of the present invention.

Hereinafter, an operation of downloading and playing a music file according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2.

According to an embodiment of the present invention, it is assumed that a server providing an Internet or audio data service may provide an MP3 file as a file including a music file and a caption format file corresponding thereto. In this case, the added caption format file may be included in ID3 Tag information of the MP3 file, and the CPU 65 may check the ID3 Tag information to determine whether the caption format file has been added or not. Accordingly, the user of the portable wireless terminal 100 requests the Internet or the server to download the MP3 music file and the corresponding caption format file. Accordingly, the Internet or the server performs an operation as shown in step 10 of FIG. Perform. The Internet or the server downloads the MP3 music file and the corresponding caption format file requested by the portable wireless terminal to the portable wireless terminal 100. An example of a method of downloading a music file and a corresponding caption format file to the portable wireless terminal 100 is as follows. The first method is to connect the PC 13, which is connected to the Internet, to download data of music files and corresponding caption format files provided on the Internet. Secondly, the data of the music file and the corresponding caption format file are received from the audio data service center (server) connected to the wireless and wired public network through the wired / wireless public network.

When the data of the music file and the corresponding caption format file are received by the portable wireless terminal 100 in the above-described manner, the CPU 65 of the portable wireless terminal 100 is shown in step 20 of FIG. Memory ie internal memory 64 or / and external memory 500. In an embodiment of the present invention, in order to store data of a music file and a corresponding caption format file, it is preferable to implement the internal memory 64 and the external memory 500 in a large capacity.

Then, when the user makes a music file reproduction request to the CPU 65 through the key input unit 68, the CPU 65 controls the MP3 processor 63 and the DSP 61 to control the internal memory 64 and / or the external memory. From 500, the music file corresponding to the request and the caption format file corresponding thereto are read out and the corresponding processing is performed. In particular, the DSP 61 separates the MP3 music file and the corresponding caption format file as in step 30 of FIG. 2, decompresses the MP3 music file, and transfers the caption format file to the CPU 65. The MP3 music file processed by the DSP 61 is audibly reproduced by the audio output unit 69 under the control of the CPU 65. The caption format file is displayed on the display unit of the portable wireless terminal 100 as a caption subtitle in accordance with the rhythm of the music file of the music file under the control of the CPU 65. The music file is reproduced (outputted) according to a certain rhythm (that can be interpreted as predetermined time information), and a vocal is reproduced in accordance with the performance according to the rhythm (time information). In addition, the caption format file divides the playback section of the output song (music file) on the basis of the vocal time and has respective lyrics information according to the divided section. Therefore, the CPU 65 according to an embodiment of the present invention is a section based on the time information (for example, the elapsed time after the start of playback or the remaining time until the end of playback) of the music file and the time reference stored in the caption format file. Check the lyrics information by star and provide the corresponding lyrics information to the user. Here, it is known that the caption format file stores lyrics information (or text information) for each section based on a time reference.

Meanwhile, in the foregoing description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but by the equivalents of the claims and the claims.

As described above, in the embodiment of the present invention, the MP3 file is composed of a file in which a caption format file is added as well as an existing music file. At the same time, the caption caption of the corresponding song is displayed.

Claims (6)

In the method of playing music files in a portable wireless terminal with MP3 playback function, Reading the requested music file when the music file is to be played; If the music file is a format that does not include the caption format file, outputting the music file, reading a caption format file corresponding to the music file, and outputting the caption format file corresponding to the output of the music file. The music file playing method characterized in that. The method of claim 1, further comprising: separating the music file and the caption format file if the music file is a format in which the caption format file is added; Decompressing and outputting the separated music file, and outputting the separated caption format file corresponding to the output music file. The method of claim 1, The music file is a music file playback method characterized in that the download from the Internet or server connected to the portable wireless terminal and stored in the memory. A music file playback apparatus in a portable wireless terminal having MP3 playback function, A memory unit for storing a music file or a caption format file corresponding to the music file; An audio output unit for outputting the music file; A display unit for outputting the caption format file; Check whether the caption format file is included in the music file and output the music file through the audio output unit, and output the caption format file corresponding to the output of the music file through the display unit. And a CPU to perform the music file reproducing apparatus. The method of claim 4, wherein And a DSP for separating a music file and a caption format file read from the memory unit. The method of claim 4 or 5, wherein the CPU, If the caption format file is included in the music file, the music file and the caption format file are separated through the DSP, and the separated music file is output through the audio output unit, and the separated caption through the display unit. And outputting a format file corresponding to the output of the separated music file.

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