KR101143908B1 - Audio reproduction apparatus and method for providing disk jockey service - Google Patents

Abstract

The present invention relates to an audio reproducing apparatus and method, wherein the audio reproducing apparatus of the present invention stores at least one audio file, at least one metadata for the audio file, and at least one piece of data for guiding the audio file. Storage unit; A control unit for executing an application for providing a disc jockey service for providing the audio file and the metadata for the audio file with the comment using the at least one audio file, the at least one metadata, and the at least one comment data; And a playback unit that processes metadata of at least one audio file, at least one audio file, and comment data used by the controller, wherein the playback unit converts the metadata into voice according to the control of the controller, and at least one audio file. Decode According to the present invention, a user can listen to music included in an audio file while listening to information about the audio file.

Audio, Music, Metadata, Disc Jockeys, Playlists

Description

Audio reproduction apparatus and method for providing disk jockey service

1 is a block diagram illustrating an audio reproducing apparatus for providing a disc jockey service according to an embodiment of the present invention.

2A and 2B are diagrams illustrating a structure of meta data that a control unit refers to when generating a playlist according to an embodiment of the present invention.

3 is a flowchart illustrating a method of providing a disk jockey service according to an embodiment of the present invention.

The present invention relates to an audio reproduction apparatus and method, and more particularly, to an audio reproduction apparatus and method for providing a disc jockey service to efficiently provide an audio file stored in the audio reproduction apparatus with additional information.

In the case where a large number of audio files are stored and used in a portable audio reproducing apparatus, the number of audio files is listened to in accordance with a random play list provided by the reproducing apparatus. However, when listening to an audio file according to a random play list, audio files that are not related to each other are continuously played, and the user simply receives an audio file listening service. In addition, the audio application running on the audio playback device provides additional information such as the artist and title of the music contained in the audio file, but the user typically does not continue to watch the display of the audio playback device. There is a need to effectively provide additional information about audio files.

The present invention relates to an audio reproducing apparatus and a method for efficiently providing an audio file stored in an audio reproducing apparatus along with additional information by providing a disc jockey service.

According to an aspect of the present invention, an audio reproducing apparatus includes at least one audio file, at least one metadata for an audio file, and at least one piece of comment data for guiding the audio file. A storage unit for storing; A control unit for executing an application for providing a disc jockey service for providing the audio file and the metadata for the audio file with the comment using the at least one audio file, the at least one metadata, and the at least one comment data; And a playback unit that processes metadata of at least one audio file, at least one audio file, and comment data used by the controller, wherein the playback unit converts the metadata into voice according to the control of the controller, and at least one audio file. Decode

Preferably, the application providing the disc jockey service includes program code for acquiring at least one audio file, at least one metadata and at least one piece of data from a storage, and processing the obtained data.

Preferably, the control unit is arranged to sort the at least one metadata according to the type of the metadata, and includes an item for the audio file corresponding to the sorted metadata, the playlist to be used by the application providing the disc jockey service The type of the metadata may include at least one of a genre of music stored in the audio file, a tempo of audio data stored in the audio file, a title, a user's preference, an artist, and a number of times of playing the audio file.

Preferably, the apparatus further includes a tempo extractor configured to extract tempo information of the audio data constituting the audio file, and the controller stores the tempo information as metadata.

According to another aspect of the present invention, there is provided a method of reproducing an audio, comprising: obtaining at least one audio file, at least one metadata for the audio file, and at least one comment data for guiding the audio file; Processing at least one audio file, at least one metadata and at least one piece of data; And providing a disc jockey service using at least one audio file, at least one metadata and at least one piece of data, providing a playback of the audio file and providing the metadata for the audio file with the comment, In the processing of at least one audio file, at least one metadata and at least one piece of data, the metadata is converted to speech and the at least one audio file is decoded.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a block diagram illustrating an audio reproducing apparatus for providing a disc jockey service according to an embodiment of the present invention. An audio reproducing apparatus according to an exemplary embodiment of the present invention includes a control unit 110, a storage unit 120, a reproducing unit 130, and a tempo extracting unit 140.

The controller 110 controls the playback unit 130 to manage input and output of data stored in the storage unit 120. The controller 110 may control the audio file to be recorded in the storage 120.

When the audio file is stored in the storage 120, the controller 110 extracts metadata included in the audio file and controls the extracted data to be stored in a specific area of the storage 120, for example, the metadata storage 124. can do. In addition, the controller 110 reads the metadata stored in the metadata storage 124 or reads the metadata into the metadata storage 124 according to a user input signal input through a user interface device (not shown). Can record

The storage unit 120 includes an audio file storage unit 122 for storing at least one audio file, a metadata storage unit 124 for storing at least one metadata for the audio file, and cement data for guiding the audio file. It may be configured to include a data storage unit 126 to store the.

The audio file stored in the audio file storage 122 includes various genres of music.

Meta data stored in the meta data storage unit 124 may be extracted from the audio file and stored as described above, or may be stored by being input by a user input signal. For example, when the audio file is an MP3 file, the metadata may be MP3 ID3 tag information included in the MP3 file. The MP3 ID3 tag information includes information such as title, artist, album, year, comment, album track, genre, and lyrics.

The message data stored in the message data storage unit 126 is generally data representing greetings or discs used when guiding music, such as LPCM (Linear Pulse Code Modulation) data that does not need to be decoded. It may be audio data or data in text form. If the comment data is audio data, the playback unit 130 may output the data without decoding, and in the case of the text data, the text-to-speech conversion unit 132 of the playback unit 130 converts the text into voice. It may be output after going through To Speech) process.

The memo data storage unit 126 may store various types of mement used by the disc jockey of the radio broadcast. In addition, the cement data stored in the cement data storage unit 126 may include introduction ment data including a general greeting of a disc jockey, intermediate ment data for introducing music, and ment data for ending the program. Can be sorted and stored.

The controller 110 may be configured to read respective data stored in the audio file storage 122, the meta data storage 124, and the comment data storage 126 included in the storage 120. Or the like).

The controller 110 executes an application that provides a disc jockey service using at least one audio file, metadata about at least one audio file, and at least one piece of comment data. An application that provides a disk jockey service is an application for providing metadata about an audio file along with a comment along with the playback of the audio file.

An application for providing a disk jockey service according to an embodiment of the present invention obtains at least one audio file, metadata about at least one audio file, and at least one piece of data from the storage 120, and obtains the obtained data. Program code for processing them.

For example, an application that provides a disc jockey service may include {'next song' (ment data 1), [artist] (artist information in the meta data storage unit 124), and 'called' (ment data 2). , [Title] (title of the meta data storage unit 124), 'is' (ment data 3), [audio file] (audio file of the audio file storage unit 122). The audio file, the cement data, and the meta data stored in the unit 120 may be sequentially referred to, and may be composed of program code for processing. As a result of the execution of the disk jockey service application as described above, the following song is a comment, followed by the artist information, the song data called, the title information, and the comment data, which is ',', and the output metadata. An audio file corresponding to the reproduction may be output. The configuration and format of an application that provides a disk jockey service is not limited to the above example, and may be variously implemented or modified.

The playback unit 130 processes metadata of at least one audio file, at least one audio file, and comment data according to a process of an application executed by the controller 110.

The playback unit 130 may include a voice converter 132 and a decoder 134.

The voice conversion unit 132 converts the text format metadata into voice under the control of the control unit 110 and processes the voice data. As described above, when the comment data is data in the form of text, the voice converter 132 processes it.

Decoder 134 decodes at least one audio file. The decoder 134 may decode at least one piece of mention data when the at least one piece of piece of data is data of encoded audio type. In addition, when at least one audio file and at least one piece of data are simultaneously output in some sections, a plurality of decoders may be included to decode and output the audio file and the piece of data at the same time. In addition, when the audio file and the cement data need to be output simultaneously in some sections, the audio reproducing apparatus may be configured by adding a mixer (not shown) to the decoder 134 for mixing and outputting at an appropriate timing.

The controller 110 sorts the at least one metadata according to the type of the metadata, and generates a playlist including items for the audio file corresponding to the sorted metadata. The meta data type may be at least one of a genre of music stored in the audio file, a tempo of audio data stored in the audio file, a title, a user's preference, an artist, and a number of times the audio file is played.

Thus, when the application providing the disc jockey service is executed in the control unit 110, the application may acquire and process the audio file based on the generated playlist.

According to an embodiment of the present invention, the audio reproducing apparatus may further include a tempo extractor 140 for extracting tempo information of audio data constituting the audio file. The tempo extractor 140 may generate tempo information indicating the tempo of the audio file being reproduced by extracting the tempo of at least one section when the audio file is played by the playback unit 130. Then, the controller 110 may store the tempo information output from the tempo extractor 140 in addition to the metadata storage 124 of the storage 120. As described above, a playlist may be generated based on the tempo.

2A and 2B are diagrams illustrating a structure of metadata referred to by the controller 110 when generating a playlist according to an embodiment of the present invention.

Referring to FIG. 2A, when the control unit 110 according to an embodiment of the present invention generates a playlist, the structure of the metadata may include an audio data storage path 21, a genre 23, and a music tempo ( 25), title 27 and artist information 29.

The audio data storage path 21 indicates path information indicating a location of an audio file in the storage 120.

The genre 23 indicates genre information among metadata included in the audio file. For example, when the audio file is an MP3 file, the genre value of the ID3 tag is shown.

The music tempo 25 is a value representing the tempo of music when the audio file is included as meta data, and the tempo of music can be extracted by decoding a part of the audio data. At this time, the music tempo in at least one specific section of the audio data may be extracted.

The title 27 may be obtained from title information among meta data included in the audio file.

The artist 29 may be obtained from artist information indicating a singer, a songwriter or a composer among the metadata included in the audio file.

The metadata structure illustrated in FIG. 2B further includes preference information in the metadata structure illustrated in FIG. 2A. The preference information may be a value determined by a user input. For example, the preference information has a default value of 0, but information representing the user's preference may be input to the audio reproducing apparatus to increase a value representing the preference information. Alternatively, the preference information may be information indicating the number of times each audio data has been played from start to finish. For example, the default value of the preference information is 0, and a value indicating the preference information may increase as the number of reproduction completions increases.

3 is a flowchart illustrating a method of providing a disk jockey service according to an embodiment of the present invention.

In operation S 310, the controller 110 reads and acquires at least one audio file, metadata about at least one audio file, and comment data for guiding the audio file from the storage 120. When acquiring the audio file and the metadata from the storage unit 120, the controller 110 acquires the metadata of the audio file and the audio file according to the reproduction order of the audio files included in the playlist arranged according to a predetermined criterion. It may be obtained from the storage unit 120.

In operation S310, when a user input signal for requesting a disc jockey service is input to the audio reproducing apparatus, the audio reproducing apparatus may be started according to execution of an application for providing the disc jockey service. In the case where the repeat play mode operation of repeatedly playing a predetermined audio file is performed in the audio play device, the audio play device changes the repeat play mode to the normal mode to play the songs one by one sequentially, and then performs step S 310. Can be.

In operation S 320, the playback unit 130 processes metadata of at least one audio file, at least one audio file, and comment data. Step S 320 may be performed by converting metadata of at least one audio data into voice and decoding at least one audio file.

In operation S 330, a disc jockey service may be provided that provides metadata regarding the audio file and the audio file together with the comment using at least one audio file, metadata about the at least one audio file, and converted comment data. have.

The present invention can be embodied as computer readable code on a computer readable recording medium. The code and code segments implementing the above program can be easily deduced by a computer programmer in the field. Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical disk and flash memory. The computer-readable recording medium may also be distributed over a networked computer system and stored and executed in computer readable code in a distributed manner.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be construed to include various embodiments within the scope of the claims.

As described above, according to the present invention, the disk jockey service is provided to efficiently provide the audio file stored in the audio reproducing apparatus together with the meta information so that the user can listen to the information about the audio file and the music contained in the audio file. You can appreciate it. In addition, a user may use a disc jockey service in which audio files are played according to playlists arranged according to metadata types such as genre, preference, or tempo.

Claims (5)

A storage unit for storing at least one audio file, at least one metadata for the audio file, and at least one piece of comment data for guiding the audio file; A control unit which executes an application for providing a disc jockey service that provides metadata regarding the audio file and the audio file with the reference by referring to the at least one audio file, the at least one metadata and the at least one piece of data. ; And A playback unit for processing the at least one metadata, the at least one audio file, and the at least one piece of data used by the control unit; The playback unit converts the at least one metadata into voice under the control of the controller, decodes the at least one audio file, Each metadata corresponds to each audio file, The metadata type may include at least one of a genre of music stored in the audio file, a tempo of audio data stored in the audio file, a title, a user's preference, an artist, and a number of times of playing the audio file. Audio playback device. The method of claim 1, The application for providing the disc jockey service includes program code for acquiring the at least one audio file, the at least one metadata, and the at least one piece of data from the storage, and processing the obtained data. An audio reproducing apparatus, characterized in that. The method of claim 1, The control unit may be arranged to sort the at least one metadata according to the type of the metadata, and to include an item for an audio file corresponding to the sorted metadata, and to be used by an application providing the disc jockey service. And an audio playback device. The method of claim 1, And a tempo extractor configured to extract tempo information of audio data constituting the audio file. And the control unit stores tempo information as metadata in the storage unit. Obtaining at least one audio file, at least one metadata for the audio file, and at least one piece of data for guiding the audio file; Processing the at least one audio file, the at least one metadata and the at least one piece of data; And Providing a disc jockey service for referring to the at least one audio file, the at least one metadata, and the at least one piece of data, and playing the audio file and providing the metadata for the audio file with the comment. and, In the processing of the at least one audio file, the at least one metadata and the at least one piece of data, the metadata is converted to speech, the at least one audio file is decoded, Each metadata corresponds to each audio file, The meta data type may include at least one of a genre of music stored in the audio file, a tempo of audio data stored in the audio file, a title, a user's preference, an artist, and a number of times the audio file is played. How to play audio.

Images