KR20060098812A - Method and apparatus of playing audio file - Google Patents

Abstract

An object of the present invention is to provide a method and apparatus for reproducing an audio file, which can provide a more differentiated service to a user by automatically playing the audio file of the genre by simply selecting a genre of an audio file that the user wants to listen to. It is done.

The audio file reproduction method of the digital AV system according to the present invention comprises the steps of receiving genre information to be reproduced; Extracting audio files corresponding to the genre information among audio files stored in a storage device; And playing the extracted audio files.

And an audio file reproducing apparatus according to the present invention, a storage device for storing audio files; A user interface unit for providing an interface with a user; An audio file decoding unit for decoding the audio file into audio data; An audio processing and output unit which processes the audio data and outputs the same through a speaker; And receiving genre information to be reproduced through the user interface unit, extracting audio files corresponding to the genre information among audio files stored in the storage device, and reproducing the audio files corresponding to the genre information and playing the audio file through the audio file decoding unit and the audio processing and output unit. It characterized in that it comprises a control unit.

Digital AV system, audio files, MP3

Description

METHOD AND APPARATUS OF PLAYING AUDIO FILE}

1 is a schematic structural diagram of a television broadcast receiver according to a preferred embodiment of the present invention;

2 is a structural diagram of an audio file according to a preferred embodiment of the present invention.

3 is a flowchart of a method of editing an audio file according to a preferred embodiment of the present invention.

4 is a flowchart of a method of playing an audio file according to a preferred embodiment of the present invention.

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

100: control unit

102: memory

104: user interface unit

106: external device interface unit

108: audio file decoding unit

110: audio signal processing and output unit

112: speaker

114: storage device

The present invention relates to a digital AV device, and more particularly, to a method and an apparatus for reproducing an audio file capable of selectively reproducing an audio file of a specific genre according to a user's request.

Background Art With the development of digital technology, digital AV devices such as digital televisions and digital set-top boxes that process digitized image data are widely used. Since the digital AV device is installed and used indoors, it is required to perform additional functions such as an electronic album, MP3, FIMS, and a camera function in addition to the broadcast reception function.

Accordingly, a digital AV device having a structure for smoothly performing additional functions such as an electronic album, an MP3, and a FIMS has been proposed.

For example, Korean Patent No. 2005-0005236, filed under the name of “Digital AV device having a structure that can easily perform additional functions and a suitable additional function processing device”, receives an encoded video stream and An AV decoder which decodes and outputs video data and audio data; A microprocessor that controls the decoding operation of the AV decoder or processes additional information data provided by the following controller; A ROM storing programs necessary for controlling the microprocessor; RAM for storing data necessary for the operation of the microprocessor; A scaler for adjusting and outputting a resolution of video data output from the AV decoder; An audio codec for processing voice data output from the AV decoder; A USB reader for reading additional information data such as image data, MP3 data, and FIMS data stored in a memory card; And a controller that provides additional information data input through the USB reader to the microprocessor.

As described above, although a technology for enabling the reproduction of an audio file through a digital AV device such as a television broadcasting receiver has been developed, efforts to provide differentiated services to the user by using the above functions are still continued. have.

More specifically, the conventional audio reproducing apparatus determines the playlist of the audio file according to the user's operation, so that the digital AV device is also implemented to play the audio file according to the playlist according to the user's operation.

Accordingly, when a user wants to play an audio file of a specific genre, the user has to search for an audio file to play and compose a playlist. However, searching and playing a playlist of the audio file have been very cumbersome for the user.

Moreover, when the audio file is a large amount, there is a problem that the difficulty of the above-mentioned operation is further increased.

Therefore, conventionally, only by selecting a genre of an audio file that a user wants to listen to, there is an urgent need to develop a technology capable of automatically reproducing the audio file of the corresponding genre to provide a more differentiated service to the user.

SUMMARY OF THE INVENTION The present invention is to overcome the above-described problems, and by simply selecting a genre of an audio file to be listened to by the user, the audio file of the genre can be automatically played to provide a more differentiated service to the user. An object of the present invention is to provide a method and an apparatus for reproducing an audio file.

According to an aspect of the present invention, there is provided a method of reproducing an audio file of a digital AV system according to the present invention, the method comprising: receiving genre information to be reproduced; Extracting audio files corresponding to the genre information among audio files stored in a storage device; And playing the extracted audio files.

The method may further include receiving genre information for each audio file stored in the storage device and storing the genre information in a tag of the audio file.

And an audio file reproducing apparatus according to the present invention, a storage device for storing audio files; A user interface unit for providing an interface with a user; An audio file decoding unit for decoding the audio file into audio data; An audio processing and output unit which processes the audio data and outputs the same through a speaker; And receiving genre information to be reproduced through the user interface unit, extracting audio files corresponding to the genre information among audio files stored in the storage device, and reproducing the audio files corresponding to the genre information and playing the audio file through the audio file decoding unit and the audio processing and output unit. It characterized in that it comprises a control unit.

In particular, the control unit receives genre information for each audio file stored in the storage device through the user interface unit and stores the genre information in the tag of the audio file.

The audio file reproducing apparatus may further include an external device interface unit for receiving an audio file from the outside.

A schematic configuration of a digital AV system according to a preferred embodiment of the present invention will be described with reference to FIG. 1 is omitted in the configuration for reproducing video data irrelevant to the present invention.

The control unit 100 of the digital AV system not only controls the digital AV system as a whole, but also automatically plays an audio file of a predetermined genre according to a preferred embodiment of the present invention.

The memory unit 102 stores various information including a processing program of the controller 100.

The user interface 104 receives a variety of commands or information from a user by using a keypad or a remote controller and provides the same to the controller 100.

The external device interface unit 106 is an interface unit for connecting an external device interface unit such as a USB or a network such as the Internet, and the external device interface unit 106 receives an audio file from the outside and provides it to the controller 100. .

The audio file decoding unit 108 decodes the audio file compression-coded in the same manner as MP3 and the like into audio data and provides it to the audio signal processing and output unit 110.

The audio signal processing and output unit 110 processes the audio data and outputs the audio data through the speaker 112.

The storage device 114 stores the audio file received through the external device interface unit 106 under the control of the controller 100. More specifically, the storage device 114 stores a plurality of audio files as shown in FIG. 2, and each audio file is composed of audio data and tags. The tag of the audio file includes genre information, and the genre information may be stored according to a preferred embodiment of the present invention.

An audio file editing method according to a preferred embodiment of the present invention will now be described with reference to FIG.

The controller 100 checks whether the user requests editing of the audio file through the user interface 104 (step 300).

When editing of the audio file is requested, the controller 100 displays a list of audio files stored in the storage device 114 and guides the user to select one audio file (step 304). According to the guidance, the user may select one audio file through the user interface 104.

When the user selects one of the guided audio files (step 306), the controller 100 guides the user to input genre information on the selected audio file (step 308). According to the guidance, the user may input genre information through the user interface 104. The genre information may be classical, jazz, or song.

When the user inputs genre information (step 310), the controller 100 stores genre information input by the user in a tag of the selected audio file (step 312).

As described above, the present invention exemplifies the recording of genre information directly by the user in the audio file. However, it will be apparent to those skilled in the art that the audio file in which the genre information is inserted can be provided from the external device interface unit 106.

After storing genre information in the audio file as described above, a process of automatically searching for and reproducing an audio file of a predetermined genre according to an exemplary embodiment of the present invention will be described with reference to FIG. 4.

The controller 100 checks whether the user commands playback of the audio file through the user interface 104 (step 400). If the playback of the audio file is commanded, the controller 100 checks whether the user commands the playback of the audio file by genre (step 404).

When the user commands playback of the audio file by genre, the controller 100 guides a list of genres and guides the user to select a genre to play among the guided genre lists (step 406). Here, the user may select any one of the guided genre lists according to the above guide.

When the user selects any one of the guided genre lists, the controller 100 checks tag information on audio files stored in the storage device 114 and selects audio files including genre information corresponding to the selected genre. Extract (step 410).

When audio files including genre information corresponding to the selected genre are extracted, the control unit 100 controls the audio file decoding unit 108 and the audio signal processing and output unit 110 to sequentially reproduce the extracted audio files. Control (step 412). That is, the audio file decoding unit 108 receives the audio files sequentially and decodes the audio files into audio data to provide them to the audio signal processing and output unit 110. The audio signal processing and output unit 110 provides the audio data. The process outputs through the speaker 112.

As described above, the present invention can automatically extract and play an audio file including genre information corresponding to a genre selected by a user.

As described above, the present invention has an effect of providing a more differentiated service to the user by automatically extracting and playing the audio file of the corresponding genre only by selecting the genre of the audio file that the user wants to listen to.

Furthermore, the present invention has the effect of automatically eliminating the difficulty of editing a playlist by a user by automatically extracting an audio file of a genre desired by a user from a large volume of audio files.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible.

Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

Claims (5)

In the audio file playback method of the digital AV system, Receiving genre information to be played; Extracting audio files corresponding to the genre information among audio files stored in a storage device; And Playing the extracted audio files Audio file playback method comprising the. The method of claim 1, Receiving genre information about each audio file stored in the storage device and storing the genre information in a tag of the audio file Audio file playback method characterized in that it further comprises. In the audio file playback device, A storage device for storing audio files; A user interface unit for providing an interface with a user; An audio file decoding unit for decoding the audio file into audio data; An audio processing and output unit which processes the audio data and outputs the same through a speaker; And When the genre information to be reproduced is received through the user interface unit, a control unit extracts audio files corresponding to the genre information among audio files stored in the storage device and reproduces the audio files through the audio file decoding unit and the audio processing and output unit. Audio file playback device comprising a. The method of claim 3, The control unit, And receiving genre information for each audio file stored in the storage device through the user interface unit and storing the genre information in a tag of the audio file. The method of claim 3, And an external device interface unit for receiving an audio file from the outside.

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