KR100789551B1 - method and system for playing audio file in digital broadcasting receiver - Google Patents

Abstract

The present invention relates to a method and a system for reproducing an audio file in a digital broadcast receiver.

An audio file reproduction method in a digital broadcasting receiver according to the present invention comprises the steps of: receiving a command to convert audio data into an MP3 file; Requesting a server for additional information of the audio data for which conversion is requested; Inserting additional information of audio data received from the server into tag information of an MP3 file and converting the audio data into an MP3 file; Characterized in that it comprises a.

Digital Broadcast Receiver, Audio, MP3, Additional Information

Description

Method and system for playing audio file in digital broadcasting receiver

1 is a configuration diagram schematically showing the configuration of an audio file reproduction system according to the present invention.

2 is a block diagram schematically showing the configuration of a digital broadcast receiver according to the present invention;

3 is a flowchart illustrating a method of reproducing an audio file in a digital broadcast receiver according to the present invention.

4 is an exemplary view showing an additional information display screen according to the present invention.

5 is a flowchart illustrating a method of converting an audio file into an MP3 file in a digital broadcasting receiver according to the present invention.

<Description of Signs of Major Parts of Drawings>

102: digital broadcast receiver 104: server

220: control unit 216: storage unit

214: communication unit 218: external device interface unit

The present invention relates to a method and a system for reproducing an audio file in a digital broadcast receiver.

In recent years, in AV equipment, many functions such as PVR, DVD, mp3, DIVX, memory card, etc. as well as basic functions for receiving terrestrial, cable, satellite, digital and analog TV are combined and organic. It is being used in conjunction with.

Most non-portable devices take the form of digital broadcast receivers, and they are increasingly occupying a major position in home AV listening.

In addition, digital broadcast receivers, which can be connected to a network for receiving EPG data and the like, are also on the market.

When playing and listening to a CD in an existing digital broadcasting receiver having the above functions, the existing digital broadcasting receiver simply displays the track information of the CD and the remaining time and playback time of the played music.

In addition, when the digital broadcasting receiver changes the data stored in the CD to a digital sound source (mp3), the extracted MP3 files are only stored as File1.mp3, File2.mp3, etc. in track order. In order to change the file name of the MP3 file to the song name or to change the album name_song name format, the user can move the extracted MP3 files to PC or other device and change the file name directly by referring to the CD information. Was used.

In addition, only the MP3 file is saved, and the information of the song name, composer, genre, album name, and lyrics corresponding to the MP3 file is not recorded in the MP3 file. .

Accordingly, an object of the present invention is to provide a method and system for reproducing an audio file that can display additional information of a currently playing song on a screen when a digital broadcasting receiver capable of accessing a network is connected to a server on a network.

Another object of the present invention is to provide a method and system for reproducing an audio file that can display additional information when converting an audio file selected by a user to MP3 using a digital broadcast receiver.

According to an aspect of the present invention to achieve the above object, receiving a command for converting the audio data into an MP3 file; Requesting a server for additional information of the audio data for which conversion is requested; Inserting additional information of audio data received from the server into tag information of an MP3 file and converting the audio data into an MP3 file; Characterized in that it comprises a.

In the present invention, the additional information may be information including at least one of a composer, lyrics, genre, album name, and release year.

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According to another aspect of the invention, the server for receiving the additional information of the audio data from the digital broadcast receiver to retrieve and transmit the additional information of the corresponding audio data; When receiving a command for converting audio data into an MP3 file, a digital broadcasting receiver for requesting additional information corresponding to the requested audio data to the server and inserting the additional information received from the server into tag information to convert the MP3 file into an MP3 file It characterized by including.

In the present invention, the digital broadcast receiver comprises: a user interface unit for receiving a command to play audio data or to convert an MP3 file from a user; A communication unit for communicating with the server to request the additional information of the audio data from the server and to receive the requested additional information; And controlling the control unit to insert the additional information of the received audio data into tag information when converting the MP3 file into a MP3 file.

Hereinafter, with reference to the accompanying drawings as follows.

1 is a configuration diagram schematically showing the configuration of an audio file reproduction system according to the present invention.

Referring to FIG. 1, when an audio file reproduction command is input, the audio file reproduction system includes a digital broadcast receiver 102 for transmitting a command for requesting additional information of the corresponding audio file to the server 100, and an addition transmitted from the digital broadcast receiver. And a server 100 for searching for and transmitting the corresponding additional information to the digital broadcast receiver 102 according to the information request command, and an external device 104 for providing audio file data to the digital broadcast receiver 102.

When the server 100 receives a command for requesting additional information about an audio file from the digital broadcast receiver 102, the server 100 searches for / extracts the additional information from a server connected through an internal database or a network to obtain the additional information. The digital broadcast receiver 102 transmits the data.

The digital broadcast receiver 102 temporarily stores and displays additional information about the audio file received from the server 100. In addition, the digital broadcast receiver is used for file conversion using the stored additional information.

The external device 104 may be a playback device capable of playing an audio file, or may be a device having a built-in memory such as an MP3 player.

2 is a block diagram schematically illustrating a configuration of a digital broadcast receiver according to the present invention.

Referring to FIG. 2, the digital broadcast receiver includes a tuner 200 for receiving an RF signal, a demultiplexer 202 for demultiplexing the multiplexed transport streams tuned by the tuner, and audio divided by the demultiplexer 202. An audio processor 204 for decoding a signal and outputting the same through a speaker, a video processor 206 for decoding a video signal divided by the demultiplexer 202 and modulating a luminance and color signal to be displayed on a screen; A display unit 208 for displaying the video signal processed by the video processor 206 to the outside, a user interface unit 210 receiving a command from a user, a communication unit 212 communicating with the server, and Storage unit 214 for storing the audio file or the file for the output according to the input command and the external device responsible for access from the external device. The interface unit 216, and the control unit 218 for managing and controlling the digital broadcast receiver as a whole.

The communication unit 212 serves to acquire additional information through a network with a server, and may include a wired communication module and a wireless communication module.

The storage unit 214 stores additional information, data, and an audio file about the audio file.

The external device interface unit 216 is in charge of connecting with an external device and plays a role of transmitting and receiving a file.

The device configuration according to the present invention is configured as described above, but the operation principle according to the purpose to be shown in the present invention will be described in detail with reference to the drawings.

3 is a flowchart illustrating a method of reproducing an audio file in a digital broadcast receiver according to the present invention.

Referring to FIG. 3, when a user inputs an audio file play command (S300),

The digital broadcast receiver recognizes data such as a stored title or mantissa of the audio file and transmits an additional information request command for the corresponding audio file to the server existing on the network through the communication unit 214 (S302).

The server receives an additional information request command from the digital broadcast receiver (S304).

The server searches for and extracts additional information using a database and transmits additional information corresponding to the audio file to the digital broadcasting receiver through a network (S306).

Here, the additional information may include at least one of composer, singer, genre, song name, lyrics, and release date.

The digital broadcast receiver stores additional information about the audio file received from the server in a storage device (S308).

The digital broadcast receiver displays the additional information received from the server on the screen using a user interface (S310).

In displaying the additional information received from the server,

Although the content of the additional information may be displayed directly on the screen, the user may be informed only that the additional information has been received and the user may select whether to confirm the additional information.

4 is an exemplary view showing an additional information display screen according to the present invention.

For example, if the additional information on the currently playing file does not exist in the digital broadcasting receiver and receives additional information on the audio file from the server,

The additional information arrival notification 400 (I) indicating that the additional information has arrived on one of the playing audio players is displayed.

When the user wants to confirm the additional information, the user can click the additional information arrival notification display 400 to confirm the additional information.

In another embodiment, when displaying the additional information, only the additional information desired by the user may be selected and displayed.

5 is a flowchart illustrating a method of converting an audio file into an MP3 file in the digital broadcast receiver according to the present invention.

The digital broadcast receiver has a function of converting and extracting audio data stored in a storage device or an external device into MP3, which is compressed audio data.

Using this function, users can easily convert audio files in the form of wma, wav, etc. into MP3 files.

Referring to FIG. 5, a user selects one of an audio file currently being played or a file stored in a storage device (S400), and converts the selected file into an MP3 file including additional information. A conversion command request is made (S402).

In this case, the user may select only the song he / she wants, or select the entire CD.

When the MP3 file conversion command request is input, it is determined whether there is additional information on the audio file to be converted (S404).

If there is no additional information on the audio file, the server accesses the server and receives the additional information on the audio file (S406).

In response to the MP3 file conversion command request, the audio file is converted into an MP3 file, and additional information about the audio file received from the server is inserted into the converted MP3 file using an ID3 tag (S408).

At this time, the MP3 file name to be stored is stored as a title.mp3 using the title received from the server, or stored as an album name_title.mp3 (S410).

The storage format for the name of the file can be selected by the user through the user interface.

When the MP3 file is stored, the controller inserts additional information downloaded from the server using the ID3 tag of the MP3 file, that is, a composer, a singer, a genre, an album name, and a release year.

For a brief explanation to help understand the process of inserting additional information using the ID3 tag,

The ID3 tag is a standard format used to add information such as song name, author, music channel, etc. to an Mpeg layer 3 (MP3) file. The standard is defined up to version 1.1, and is compatible with most MP3 player software. A new version of the ID3 tag variant called 'ID3v2' has also appeared and is available. However, as a result of extending the restrictions such as elimination of the available letters and numbers, support for Unicode, etc., MP3 data in ID3v2 format can be played back only by the corresponding player.

The size of the MP3 file includes additional information is 128 bytes in total.

It is located at the very end of the composition of the MP3 file.

Refer to Table 1 and look at the configuration of ID3 tag.

location( bytes ) Length( bytes ) Short description 00-02 03 TAG ID (must be written as 'TAG') 03-32 30 Title 33-62 30 Artist 63-92 30 Album 93-96 04 Year (release year) 97-126 30 Comment 127 01 Genre

If you look at the location, you can see that it consists of 00 bytes to 127 bytes.

The additional information of the audio file is divided and recorded from 0 to 127 bytes, and differs in size of bytes.

All but the 'Genre' part reads and writes ASCII values.

'Genre' is a characteristic that it is impossible to write a genre in 1 byte, and because it is fixed to some extent, binary values are mapped to each genre. For example, if one byte of 'Genre' is '3' (0x03 in HEX) in binary, this is regarded as 'Dance'.

When this operation is finished, the extracted MP3 files are stored in a folder named album name (S408).

So far, the present invention has been described with reference to the preferred embodiments, and those skilled in the art to which the present invention pertains to the detailed description of the present invention and other forms of embodiments within the essential technical scope of the present invention. Could be implemented. Here, the essential technical scope of the present invention is shown in the claims, and all differences within the equivalent range will be construed as being included in the present invention.

As described above, according to the method for displaying additional information of the digital broadcasting receiver according to the present invention, when the audio file is played, the additional information of the audio file is obtained by accessing a database of the server to display the additional information. By displaying the same as when playing the audio file, the user can more easily obtain additional information about the audio file.

In addition, when extracting an audio file into a compressed audio file such as MP3, the user can easily recognize and distinguish the stored file by inserting additional information downloaded from the server into the stored file.

In addition, the present invention makes it possible to easily transmit MP3 files to a portable MP3 player or the like by using the USB port of the digital broadcast receiver.

Claims (10)

delete delete delete delete delete Receiving a command for converting audio data into an MP3 file; Requesting a server for additional information of the audio data for which conversion is requested; Inserting additional information of audio data received from the server into tag information of an MP3 file and converting the audio data into an MP3 file; Audio file playback method in a digital broadcast receiver comprising a. The method of claim 6, And the additional information is information including at least one of composer, lyrics, genre, album name, and release year. A server for receiving additional information of audio data from a digital broadcast receiver and searching for and transmitting additional information of corresponding audio data; When receiving a command for converting audio data into an MP3 file, a digital broadcasting receiver for requesting additional information corresponding to the requested audio data to the server and inserting the additional information received from the server into tag information to convert the MP3 file into an MP3 file ; Audio file playback system in a digital broadcast receiver comprising a. delete The method of claim 8, wherein the digital broadcast receiver A user interface unit for receiving an audio data reproduction command or a conversion command to an MP3 file from a user; A communication unit for communicating with the server to request the additional information of the audio data from the server and to receive the requested additional information; And a control unit which controls to convert the additional information of the received audio data into tag information when converting the MP3 file into an MP3 file.

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