JP2009020941A - Audio data processing terminal system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a user is stressed when generating a playlist to reproduce or selecting an audio data file to be reproduced while viewing a list of the selected audio data files. <P>SOLUTION: An audio data processing system reproduces a BGM with a proper volume and displays the title of the BGM and the name of an artist while the user makes the playlist or selects the audio data file to be reproduced while viewing the list of the selected audio data files. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to an audio data processing terminal device, and more particularly to an audio data processing terminal device for reproducing audio data files stored in a plurality of servers connected to a network.

In recent digital audio players, a technique for easily processing digital audio data files by connecting to a server device via a network has been developed. This technology can also be applied to devices in automobiles such as personal computers and DVD players, and various portable devices such as digital cameras, video cameras, and mobile phones. With such a technology, it becomes possible to listen to a huge number of audio data files stored in a plurality of server devices, and a technology for easily selecting and reproducing the huge number of audio data files by the user. is needed.

In Patent Document 1, a metadata creation tool is used to refer to bibliographic information related to an audio data file in accordance with conditions entered by the user, and an optimum BGM for an arbitrary commercial space is selected. A technique for reproducing an audio data file in accordance with an audio data file playlist determined by analyzing the selected conditions and a plurality of selected audio information is disclosed.
JP 2002-333892 A

In the technique described in Patent Document 1, a huge amount of audio data files must be processed, so that playback is performed while creating a playlist for playback or while viewing a list of selected audio data files. There was a problem that the user felt stressed while selecting an appropriate audio data file.

In view of the above problems, an object of the present invention is to provide an audio data processing system that does not give stress to a user.

In order to achieve the above object, in the audio data processing terminal device, a selection criterion setting means for setting a selection criterion for selecting a desired audio data file from a plurality of audio data files and the selection criterion setting means are set. A playlist creation means for creating a specific playlist by selecting a desired audio data file from the audio data file according to the selected selection criteria, and each audio data file of the specific playlist created by the playlist creation means. A music data display signal generating means for generating a signal for displaying at least a music name and an artist name, and an audio data file selection screen for selecting an audio data file to be reproduced from a plurality of the audio data files are displayed. An audio data file selection screen display signal generating means for generating a signal for generating, a first volume adjusting means for adjusting a volume for reproducing an audio data file selected from the audio data file selection screen, and the specific volume Second volume adjusting means for adjusting the volume for reproducing the audio data file of the playlist, one of or both of the music data display signal generating means and the audio data file selection screen display signal generating means OSD means for outputting a video signal in accordance with the output signal, audio data file reproducing means for reproducing the audio data file, the plurality of audio data files, and metadata included in the audio data file are stored. Multiple sir for A connection terminal for connecting to a router connected to the device, which is operable by a user, and the connection terminal is connected to the audio data file and the metadata included in the audio data file via the router. The selection criterion setting means can set at least one category desired by the user from the reproduction time, the number of reproductions, and the metadata of each of the audio file data as a selection criterion, and display the audio data file selection screen display While the audio data file selection screen is displayed by the signal generating means, the audio data files of the specific playlist are sequentially played back at a predetermined volume by the second volume adjusting means for a predetermined time from the beginning. At the same time, Output a signal for displaying at least the music name and artist name of the audio data file of the specific playlist currently being reproduced by the data display signal generating means, and the user selects desired audio data from the audio data file selection screen. When a file is selected, playback of the audio data file of the specific playlist is stopped, and at the same time, the audio data file is controlled to start playback with the volume adjusted by the first volume control means.

In the audio data processing terminal device, the metadata is a keyword or category attached to the audio file and indicating the characteristics of the audio data file.

In the audio data processing terminal device, the predetermined time can be set to a user's desired time.

By configuring as described above, a specific volume can be specified at a suitable volume while creating a playlist or while selecting an audio data file to be played while viewing a list of selected audio data files. The playlist is reproduced as BGM, and the music name and artist name of the specific playlist are displayed, so that the user is not bored and the mood is raised.

According to the first aspect of the present invention, when a user selects one to be reproduced from a plurality of audio data files, an audio data file of a specific playlist created according to the selection criteria set by the user is stored for a predetermined time. During playback, the volume is played at a volume different from that of normal audio file playback, and at the same time the song name and artist name of the specific playlist being played are displayed, making the user feel less bored It is possible to configure an audio data processing terminal device to be enhanced.

According to the second aspect of the present invention, since the metadata is a keyword or a category attached to the audio file and indicating the characteristics of each audio data file, the metadata is used as a selection criterion. It is possible to create a specific playlist adapted to the user's preference.

According to the third aspect of the present invention, the user can set a predetermined time for sequentially reproducing a specific playlist.

FIG. 1 shows a block diagram of an audio data processing system according to the present invention. The configuration of the audio data processing system according to the present invention will be described with reference to FIG.

The terminal device 100 sets a selection criterion for setting a selection criterion for selecting a desired audio data file from a plurality of audio data files, and the audio data file according to the selection criterion set by the selection criterion setting unit 101. A playlist creation unit 103 that creates a specific playlist by selecting a desired audio data file, and displays at least a song name and an artist name of each audio data file of the specific playlist created by the playlist creation unit 103 Music data display signal generation means 105 for generating a signal for the display, a signal for displaying an audio data file selection screen for selecting an audio data file to be reproduced from a plurality of the audio data files as thumbnails Audio data file selection screen signal generation means 107 to be generated, first volume adjustment means 109 for adjusting the volume for reproducing the audio data file selected from the audio data file selection screen, audio data of the specific playlist Video according to the output signal from one or both of the second volume adjusting means 111 for adjusting the volume for playing the file, the audio data file selection screen display signal generating means 107 and the music data display signal generating means 105 An OSD unit 113 for outputting a signal and an audio data file reproducing unit 115 for reproducing the audio data file are configured.

Server devices 117, 119, 121 and 123 for storing a plurality of audio data files and metadata included in the audio data files, and a router 125 for connecting the plurality of server devices to the terminal device 100, Connected by the connection terminal 102 of the terminal device 100 to constitute an audio system.

The OSD unit 113 outputs characters and graphic signals to the display unit 127, and the display unit 127 displays characters and graphic signals. The audio data file reproduction means 115 outputs an audio signal to the speaker 129, and the speaker 129 outputs audio.

FIG. 2 shows a flowchart for setting selection criteria according to the present invention. FIG. 3 shows a setting screen for setting selection criteria according to the present invention. Based on FIG. 2, the selection criterion setting operation will be described with reference to FIGS. 1 and 3. A command for starting the selection criterion setting screen by a user interface (not shown) is sent to the selection criterion setting means 101 (step S201). A signal for displaying the selection criterion setting screen is sent from the selection criterion setting unit 101 to the OSD unit 113, and the selection criterion setting screen of FIG. As shown in 301 of FIG. 3, the past time is input in order to select an audio data file reproduced from the present time until the past time (step S202). Next, as shown at 303 in FIG. 3, in order to select an audio data file according to the reproduction frequency, the number of reproductions so far is input (step S203). Next, as indicated by reference numeral 305 in FIG. 3, meta information attached to the audio data file, for example, information for narrowing selection conditions such as an artist name and a genre name is input (step S204). Next, as shown at 307 in FIG. 3, the playback time from the beginning of each audio data file when a specific playlist is played back is input (step S205). Finally, as shown by reference numeral 309 in FIG. 3, the volume value when the specific playlist is reproduced is adjusted by the second volume adjusting means (step S206). In this embodiment, steps 5202 to 5206 are used. Although the case where input is performed for all items has been described, the operation can be performed with one item or two items.

Next, FIG. 4 shows an operation flowchart of the audio processing system according to the present invention. FIG. 5 shows an audio data file selection screen according to the present invention. The operation processing of the present invention will be described with reference to FIGS. 1 and 5 based on FIG.

First, selection criteria are set by the selection criteria setting means 101 of the terminal device 100 (step S401), and a specific playlist is created by the playlist creation means 103 according to the selection criteria (step S402). Next, a signal representing the audio file data selection screen is generated by the audio data file selection screen signal generation means 107, the created signal is output to the OSD means 113, and a video signal is output from the OSD means 113 to the display device 127. As shown in FIG. 5, an audio data file selection screen is displayed on the display device 127 (step S403).

Images A to L indicated by reference numeral 503 in FIG. 5 represent audio data files recorded in the server devices 117, 119, 121, and 123. The image representing the audio data file may display video information included in the metadata of the audio data file, or an original image may be set according to the user's preference.
Among A to L shown in 503 in FIG. 5, the audio data file of A whose outer frame is enclosed in bold is currently selectable, and the title, recorded date, and music data related to the audio data file A The recorded server name is displayed at 505.

Next, predetermined volume data is output to the audio data file reproducing means 115 by the second volume adjusting means 111 (step S404), and the specific playlist created in step S402 is reproduced by the audio data file creating means 115. (Step S405), the reproduced audio signal is output from the speaker 129. Next, the music data display signal generating means 105 outputs a signal representing the music name / artist name to the OSD means 113, and the OSD means 113 outputs a video signal representing the music name / artist name to the display device 127. Is displayed as 501 in FIG. 5 (S406).

Next, when the user selects a desired audio data file from the audio data file selection screen (step S407), the audio data file playback means 115 stops the playback of the audio data file of the specific playlist (step S408). ). Next, the volume is adjusted by the first volume adjusting means 109 (step S409). Next, the audio data file selected by the user is reproduced by the audio data file reproducing means 115 (step S410), reproduced by the audio data file reproducing means 115, and an audio signal is output from the speaker 129.

If the user does not select the desired audio data file in step S407, that is, while the desired audio file is being selected on the audio data file selection screen in FIG. 5, the process returns to step S403 to reproduce the BGM audio data file. Repeat the process.

In the operation flowchart of FIG. 4, steps S403 to S406 are performed in series, but may be performed in parallel. Similarly, the processing from step S408 to step S409 may be performed in parallel.

When playing back a BGM playlist, the playback order of a plurality of audio data files in the BGM playlist is played back in the order in which the BGM playlist was created, or in the order desired by the user. A step for rearranging may be provided.

As described above, according to the present invention, the user can arbitrarily set while creating a playlist or selecting an audio data file to be played while viewing a list of selected audio data files. A specific playlist selected according to the selected selection criteria is played back as a BGM at an appropriate volume set separately from the volume value for playing back a normal audio data file, and the music of the audio data file of the specific playlist By displaying the name and artist name, the user can feel better without being bored.

Note that the selection criterion in the present invention is not limited to the reproduction time, the number of reproductions, and the metadata stored in the server, but can be all information related to the audio file data. .

The present invention can be applied to all electronic devices having a recording function and an audio output function, and in particular, can be connected to a device that can directly access music data on a network such as the Internet, such as a personal computer, a television, or these devices. It is also suitable for an electronic device such as a stationary or portable audio recorder or a mobile phone terminal that can access music data through a public telephone line.

1 represents a block diagram of an audio data processing system according to the present invention. FIG. 3 shows a flowchart of setting selection criteria according to the present invention. 3 shows a selection criterion setting screen according to the present invention. 2 shows an operation flowchart of an audio processing system according to the present invention. 3 shows an audio data file selection screen according to the present invention.

Explanation of symbols

100 terminal equipment 101 selection criteria setting means 102 connection terminal 103 playlist creation means 105 music data display signal generation means 107 audio data file selection screen signal generation means 109 first volume adjustment means 111 second volume adjustment means 113 OSD means 115 Audio data file reproduction means 117, 119, 121, 123 Server device 125 Router

Claims (3)

A selection criterion setting means for setting a selection criterion for selecting a desired audio data file from a plurality of audio data files; and a desired audio data file from the audio data file according to the selection criterion set by the selection criterion setting means. A playlist creating means for selecting and creating a specific playlist, and a signal for displaying at least a song name and an artist name of each audio data file of the specific playlist created by the playlist creating means are generated. Music data display signal generating means;
Audio data file selection screen display signal generation means for generating a signal for displaying an audio data file selection screen for selecting an audio data file to be reproduced from a plurality of the audio data files, and selected from the audio data file selection screen A first volume adjusting means for adjusting a volume for reproducing an audio data file; a second volume adjusting means for adjusting a volume for reproducing an audio data file of the specific playlist; and the music data display. OSD means for outputting a video signal according to an output signal from one or both of a signal generation means and an audio data file selection screen display signal generation means; and an audio data file for reproducing the audio data file Regeneration And a connection terminal for connecting to a router connected to a plurality of server devices for storing the plurality of audio data files and metadata included in the audio data files, and is operable by a user In audio data processing terminal equipment,
The connection terminal accesses the audio data file and metadata included in the audio data file via the router, and the selection criterion setting unit is configured to calculate the reproduction time, the number of reproductions, and the metadata of the audio file data. The user can set at least one category desired as a selection criterion, and while the audio data file selection screen is displayed by the audio data file selection screen display signal generation unit, the audio data file of the specific playlist is displayed at the top. During a predetermined time, the audio data files of a specific playlist currently being reproduced by the music data display signal generating unit are simultaneously reproduced at the same time as the predetermined volume by the second volume adjusting unit. At the same time, when the user selects a desired audio data file from the audio data file selection screen, the playback of the audio data file of the specific playlist is stopped. An audio data processing terminal device, wherein the audio data file is controlled to start playback at a volume adjusted by the first volume control means. The audio data processing terminal device according to claim 1, wherein the metadata is a keyword or a category attached to the audio file and indicating a characteristic of each audio data file. 4. The audio data processing terminal device according to claim 2, wherein the predetermined time can be set to a user's desired time.