KR20080109290A - Method for displaying music file additional information in digital music player - Google Patents

Abstract

A method for displaying additional information of music file in a digital music player is provided to improve convenience in selecting and confirming additional information of desired music file by searching sound source of a specific music file, storing the search data temporarily in a buffer and outputting the data on the result screen. A method for displaying additional information of music file in a digital music player comprises a step for performing sound source searching in response to the request to search a specific music file(S10), a step for analyzing the sound source of the specific music file, and checking whether sound source similar to the analyzed sound source exists in a database(S12), a step for temporarily storing the search result data in a buffer reading out a region code which is set in the player when the similar sound source is searched(S15), and a step for comparing the read out region code with the region code recorded in each sound source of the search result data and outputting only search result data with the same region code on a screen(S16).

Description

{Method for displaying music file additional information in digital music player}

1 is an exemplary diagram showing a system configuration for updating a music database in a general digital music player.

2 is an exemplary view showing a sound source search result screen in a general digital music player.

3 is a block diagram showing an internal configuration of a digital music player to which the method for displaying additional information of a music file according to the present invention is applied.

Figure 4 is an exemplary view showing a sound source search result screen in the digital music player according to the present invention.

5 is a flowchart illustrating a method for displaying additional information of a music file in a digital music player according to the present invention.

Explanation of symbols on the main parts of the drawings

       10: digital music player 11: pickup

       12: CDP 13: HDR system

       14 Hard Disk 15 Buffer

       16: microcomputer 17: OSD generation unit

       18: memory 19: interface

       20: Compact Disc (CD) 30: USB Memory

       40: PC 50: Music Database Server

The present invention relates to a method for displaying music file additional information in a digital music player, for example, in a digital music player for displaying additional information on a music file requested to be played, according to a sound source search request for a specific music file. By performing the sound source search operation, the search result data is temporarily stored in the buffer, and the data of the sound source information matching the region code set in the player is output to the result screen, so that the user can easily select and confirm the additional information of the desired music file. The present invention relates to a method for displaying additional information of a music file in a digital music player.

Generally, digital music players such as MP3 players, media players, CD players, DVD players, home theaters, etc., which play digital music, are digitally encoded and stored in a nonvolatile memory memory card or hard disk, or recorded on an optical disk. The digital music data is decoded to output and reproduce audio signals through earphones or speakers.

Recently, as the number of companies providing music database (CDDB) to the digital music market has increased, the user can find a sound source for music files owned by users, that is, music files stored on a hard disk of a digital music player or recorded on an optical disk. Through analyzing the sound source of the music file, and collect the key additional information such as Title Name (Artist), Artist (Album), Genre (Genre) for the music file, According to a desired condition, a function of displaying various additional information of a music file on a screen has been added to a digital music player.

As such, the user of the digital music player may connect, for example, a laptop or personal computer (PC) 30 through a network to a server 50 that provides the music database online as shown in FIG. 1. After downloading the music database at a predetermined period (1 month / 3 months), the music database is moved and stored in a USB memory or the like and periodically updated and stored in the hard disk of the digital music player 10.

On the other hand, when the user selects a specific music file and selects a sound source search function using the updated music database on the hard disk of the digital music player, the digital music player is an internal algorithm of the music database stored on the hard disk. By searching for one or more similar sound source information similar to a specific music file, and outputs to the sound source search result screen.

However, as the additional information of the music file output to the sound source search result screen is output as a list of additional information of all music files stored in the music database, as shown in FIG. 2, which is not supported by the digital music player. There was a problem that a list of other language phrases was displayed as a result screen.

In addition, when the page is turned over due to different language phrases on the list displayed as the sound source search result screen, the user must select and confirm additional information of a desired music file by up / down the page of the sound source search result screen. There was an inconvenience.

Therefore, the present invention was created to solve the above problems. For example, when a sound source search for a specific music file is requested in a digital music player, a sound source search operation is performed to be similar to that of a specific music file. If the sound source information exists in the database, and if similar sound source information is found, the search result data is temporarily stored in a buffer, the region code set in the playback device is read out, and each of the read region code and the search result data is read. It is an object of the present invention to provide a method for displaying additional information of a music file in a digital music player which compares a region code recorded in sound source information and outputs only search result data having a region code to a sound source search result screen.

According to an aspect of the present invention, there is provided a method for displaying additional information of a music file in a digital music player according to the present invention, the method comprising: performing a sound source search operation according to a sound source search request for a specific music file; Step 2 of analyzing the sound source of the sound source and searching whether there is sound source information similar to the analyzed sound source in the database, and if the search result and the sound source information are found, the search result data is temporarily stored in a buffer, A third step of reading a code, and a four step of comparing the read area code with the area code recorded in each sound source information of the search result data, and outputting only the search result data corresponding to the area code as a sound source search result. It is characterized by comprising.

The region code corresponding to the sound source information of the present invention is added together with additional information at the time of manufacturing the data of the sound source information, and the additional information of the sound source information includes a title name and an artist. , It is characterized in that the music information such as album (Album), genre (Genre).

The region code set in the playback device of the present invention is a language code of a country assigned by the manufacturer at the time of mass production of the digital music player, and the region code set in the playback device can be changed a certain number of times. do.

Hereinafter, exemplary embodiments of a method for displaying additional information of a music file in a digital music player according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram showing an internal configuration of a digital music player to which the music file additional information display method according to the present invention is applied, and FIG. 4 is an exemplary view showing a sound source search result screen in a digital music player according to the present invention. .

First, as shown in FIG. 3, the digital music player to which the music file additional information display method according to the present invention is applied includes an optical pickup 11, a compact disk player 12, The hard disk record system 13, the hard disk 14, the buffer 15, the microcomputer 16, the OSD generator 17, the memory 18, and the interface 19 are included.

In the microcomputer 16, when a compact disk (CD) is inserted by a user and a predetermined music file is requested to be played, the compact disk player (12) is controlled to control the compact disk player (12) through the optical pickup (11). A reproduction operation of reading digital music data recorded on the compact disc 20 is performed, and the reproduced audio signal is output through a plurality of speakers (not shown).

In addition, in the microcomputer 16, when a specific music file stored in the hard disk 14, for example, MP3, various media files, or the like is requested to be played by the user, the microcomputer 16 controls the hard disk record system 13 to perform a hard drive. A reproduction operation is performed on the music file stored in the disc 14, and the reproduced audio signal is output through the plurality of speakers.

On the other hand, in the microcomputer 16, when a sound source search menu for a specific music file stored in the hard disk 14 or a specific music file recorded in the compact disk 20 is selected, the selected specific music file is selected, for example, PCM. After converting to (Pulse Code Modulation), analyze the sound source within 15 seconds from the start of a specific music file.

The microcomputer 16 searches whether the sound source information similar to the specific music file exists in the music database of the hard disk 14 periodically updated and stored by the user through the analyzed sound source data of the specific music file, and then the search result data. Is temporarily stored in the buffer 15.

At this time, the microcomputer 16 reads out the region code given from the manufacturer at the time of mass production of the digital music player 10 from the memory 18, and records the read region code and the respective sound source information of the search result data. Compared to the area code, and controls the OS generating unit 17, and outputs only the search result data matching the area code to the sound source search result screen as shown in FIG.

Here, the region code of the sound source information may include, for example, a title name, an artist, and the like, when the data of the sound source information recorded in the music database provided from the database server 50 in which the sound source information is stored. Additional information is recorded along with key additional information such as albums and genres.

The region code set in the digital music player is a language code of a country given by the manufacturer at the time of mass production of the digital music player, and can be changed as many times as necessary.

An operation process of the digital music player applied to the method for displaying additional information of the music file according to the present invention configured as described above will be described in detail with reference to FIG. 5.

5 is a flowchart illustrating a method of displaying additional information of a music file in a digital music player according to the present invention.

First, in the digital music player according to the present invention, as shown in FIG. 5, for example, as shown in FIG. 5, a user may use a laptop or personal computer (PC) to connect to the music database server 50 via a network. 30) by connecting and downloading the music database at regular intervals (1 month / 3 months), and then moving and storing it in a USB memory or the like and periodically updating the hard disk 14 of the digital music player 10. Save it.

In such a state, when a sound source search menu for a specific music file stored in the hard disk 14 of the digital music player 10 or the specific music file recorded on the compact disk 20 is selected by the user (S10), The microcomputer 16 analyzes the sound source of the selected specific music file (S11), and searches whether the sound source information similar to the specific music file exists in the music database stored in the hard disk 14 through the analyzed sound source data ( S12). In this case, the specific music file, for example, a sound source within 15 seconds from the time when the music file starts is converted into PCM (Pulse Code Modulation) data analysis.

In the microcomputer 16, when sound source information similar to a specific music file exists through the music database stored in the hard disk 14 (S13), the search result data is temporarily stored in the buffer 15 (S14), Read the area code given by the manufacturer at the time of mass production of the digital music player 10 stored in the memory 18, and record the area code recorded in each sound source information of the read area code and the search result data stored in the buffer 15. Compare the code (S15). Here, the region code of the sound source information is additionally recorded along with the core additional information recorded when data of the sound source information recorded in the music database provided from the music database server 50 is produced, for example.

The microcomputer 16 compares the area codes, and then controls only the ODSD generator 17 to output search result data having the same area code as shown in FIG. 4 as a sound source search result screen (S16). . Here, the region code of the digital music player 10 stored in the memory 18 may be changed a predetermined number of times through a separate change procedure according to a user's request.

As described above, in the present invention, when the user selects a sound source search to check additional information on a specific music file stored in a hard disk of a digital music player or a specific music file recorded on a compact disk, the user searches for a sound source. Since the result data of the sound source information corresponding to the unnecessary area code is excluded from the screen list among the result data searched through the operation, the user can easily select and confirm the additional information of the desired music file.

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

The music file additional information display method in the digital music player according to the present invention made as described above, for example, in a digital music player for displaying additional information on the music file requested to be reproduced, the specific stored in the CD or hard disk When a sound source search for a music file is requested, a sound source search operation is performed to analyze a sound source of a specific music file, search whether sound information similar to the analyzed sound source exists in a database, and the search result and data of similar sound source information When the search result is stored, the search result data is temporarily stored in a buffer, the area code set in the playback device is read out, and the area code is compared with the area code recorded in the sound source information data of the searched result code. Sound source search operation by outputting only search result data to sound source search result screen Excluding the results for the unnecessary area code from the results of the data source on the information retrieved from the list because it has the advantage that you can see more easily select the additional information of the music file.

Claims (5)

Performing a sound source search operation according to a sound source search request for a specific music file; Analyzing a sound source of the specific music file and searching for whether sound information similar to the analyzed sound source exists in a database; In step 3, when similar sound source information is found, temporarily storing the search result data in a buffer and reading an area code set in a playback device; And And comparing the read area code with the area code recorded in the respective sound source information of the search result data, and outputting only the search result data having the same area code as the sound source search result. A method for displaying additional music file information on a player. The method of claim 1, And the region code of the sound source information is added together with the additional information at the time of manufacturing the data of the sound source information. The method of claim 2, The additional information of the sound source information is the music file additional information display of the music information, such as a title name (Title Name), Artist (Artist), recorded album (Album), genre (Genre) Way. The method of claim 1, And the region code set in the playback device is a language code of a country assigned by the manufacturer at the time of mass production of the digital music playback device. The method according to claim 1 or 4, The region code set in the player may be changed by a predetermined number of times.

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