JP5234598B2 - Content data playback device - Google Patents

Description

  The present invention relates to a content data playback apparatus that plays back content data, and more particularly to a technique for displaying an image (for example, a jacket photo) corresponding to music data when the music data is played or searched.

  A digital audio player (hereinafter referred to as “DAP”) is a device that plays back digital audio data. Music data imported from external media such as CDs, DVDs, and semiconductor memories, and downloaded from music distribution sites on the network, etc. The recorded music data is recorded in the memory, and the function of reproducing it is provided. Further, the DAP has a function of displaying attribute data such as artist names and titles related to the music data being reproduced, and images such as album jacket photos on a liquid crystal display. Against this background, there is an increasing demand for in-vehicle devices to display a jacket photo of the music being played back while the music data is being played.

  Patent Document 1 discloses a technique for reading out an image image that makes a genre of music data being played back from a table and displaying the image when there is no jacket photo image corresponding to the music data being played back. doing.

JP 2006-216201 A

  The in-vehicle audio apparatus is provided with a ripping function for loading music data recorded on an external medium into a memory. This ripping function can acquire artist name and text information from tag information and CDDB, but cannot capture CD jacket photos and album images. For this reason, the user must acquire image data such as a jacket from a network music distribution site each time, and the work is complicated. On the other hand, if no image such as a jacket photo is displayed on the display, the display will be unattractive and unattractive. In the case of old albums and indie albums, jacket photos and album images are not always available from music distribution sites.

  FIG. 1A is a display example of a display when music data is played back in an in-vehicle audio apparatus. The display 1 displays an attribute information display area 2 for displaying artist, album, title, song order, and the like, and the image display area 4 displays a jacket photo or album image corresponding to the music. If there is no jacket photo or album image, “No Image” is displayed in the image display area 4.

  Furthermore, recent in-vehicle audio apparatuses are provided with an image search function using an image displayed in the image display area 4. As described above, when “No Image” is displayed in the image display area 4, there is a problem in that the search function is not sufficiently exhibited.

  An object of the present invention is to solve the above-described conventional problems and to provide a content data reproducing apparatus that can associate image data with music data that does not correspond to image data.

  The content data playback device according to the present invention is a storage means for storing music data, attribute data indicating the attributes of the music data, and image data corresponding to the music data, a playback means for playing back the music data, and the music data. Display means for displaying image data to be performed, determination means for determining whether or not image data corresponding to music data is included in the storage means, and the determination means determined that the image data is not supported Search means for searching for music data having attribute data common to the attribute data of unsupported music data, image data corresponding to the music data searched by the search means is extracted, and an image based on the extracted image data Processing means for processing the data and making the processed image data correspond to the image data of the unsupported music data.

  Preferably, the processing means reduces the extracted image data and creates image data including a plurality of reduced image data. Further, the processing means can extract a person image from the extracted image data and create image data using the extracted person image. Further, the processing means may include identification information indicating that the image data is processed. For example, the identification information is a background color different from the background color of the retrieved image data.

  Preferably, the display means displays image data corresponding to the reproduced music data when the music data is reproduced by the reproducing means. The content data playback device further includes music data search means for searching for music data, and when the music data search means is executed, the display means displays image data corresponding to the music data. Also good.

  An image data processing method or program according to the present invention stores music data, attribute data indicating attributes of music data, and image data corresponding to the music data in a storage device, and stores the music data in the music data during reproduction or search. Whether or not image data corresponding to music data is included in the storage device is executed in a content data reproducing device having a function of reading out corresponding image data from the storage device and displaying the read image data. A determination step for determining whether or not music data having attribute data common to the attribute data of the unsupported music data determined to be unsupported by the determination step, and the search step Image data corresponding to the searched music data is extracted, and the extracted image data It has a processing step of processing the image data Hazuki, and a step to correspond to the processed image data into image data of the incompatible music data.

  According to the present invention, when unsupported music data is determined, the image data of other music data having the same attribute data is processed so that the image data corresponds to the unsupported music data. Image data can be displayed during playback. As a result, it is possible to delete the troublesome work of acquiring image data from network distribution or the like as in the past, and the user's specification satisfaction is improved. In addition, since the image data is also displayed when searching for music data, the search function can be fully exhibited. Further, by processing the image data, it can be easily recognized that the image data is different from the original image data.

  The best mode for carrying out the present invention will be described in detail with reference to the drawings. In the present embodiment, an in-vehicle audio apparatus having a function of ripping music data recorded on an external medium is exemplified. The in-vehicle audio device internally stores image data such as a jacket photo or album image when reproducing music data ripped to an HDD (hard disk storage device) or a memory or music data read from CD reproduction. If not, image data such as another CD jacket photo of the same artist is processed, generated as an artist image, and displayed.

  The in-vehicle audio apparatus 10 according to the present embodiment includes an input unit 20 for inputting from a touch panel, a remote controller, an input key, an external interface (hereinafter referred to as an external I / F) 30 for connecting an external medium, etc. Display unit 40 that displays image data such as data attribute information, jacket photo such as CD, album image, etc., playback output unit 50 that plays back and outputs audio data, storage unit 60 that stores music data and the like, and program Includes a program memory 70 that stores data, a data memory 80 that temporarily stores data, and a control unit 90 that executes the program and controls each unit.

  The external I / F 30 can connect an external medium such as a semiconductor memory or a portable terminal using a wired cable, a wireless LAN, an infrared communication device, Bluetooth, or the like. The music data of the external media connected to the external I / F 30 can be stored in the storage unit 60 by the ripping function. Furthermore, it is possible to download music data and the like from a music distribution site via a network.

  As will be described later, the display unit 40 displays attribute data of music data to be reproduced or a corresponding jacket photo when reproducing music data. Furthermore, when searching for album units, the jacket photos of the album are displayed so as to continuously flow.

  The reproduction output unit 50 reproduces music data stored in the storage unit 60 in addition to reproduction of music data read from a CD or DVD drive provided in the in-vehicle audio apparatus. The reproduced music is output as audio from the speaker.

  FIG. 3A shows an example of the data structure of the storage unit 60. As shown in the figure, the storage unit 60 stores the music file 110 and the music data 110, the image data 120, and the attribute data 130 in a hierarchical structure in the music file 100 and its lower layer. The music file 100 may store one music data or may store a plurality of music data. The music file 100 may be created in units of albums, or may be created according to a user playlist. FIG. 3A illustrates one piece of music data for easy understanding of the description.

  The music data 110 is an audio signal, and may be a compressed signal such as MP3 or WAV. The image data 120 is an image corresponding to the music data 110, for example, image data of a jacket photo of an album in which the music is recorded. However, when the image data is not associated, the image data processed according to the present embodiment is associated.

  The attribute data 130 further includes artist data 131, album data 132, title data 133, song order data 134, genre data 135, and the like.

  FIG. 3B shows another data structure example. In this example, a correspondence table for associating music data, attribute data, and image data is prepared, and the storage table stores the storage destination address of each data. For example, in the case of music data A, the image data is stored in ADD # 100, and the attribute data is stored in ADD # 200.

  FIG. 4 is an example of a music file. For example, the music file # 01 includes music data “AUD01” and image data “VVV”. The attribute data includes artist data “Art01”, album data “Alb01”, title data “Tit01”, and music order data “Ord01”. ”And genre data“ POPS ”. Note that the music files #K and #L do not include corresponding image data.

  In the program memory 70, a reproduction program for reproducing music data, an output program for outputting image data and attribute data to a display, and processing of image data using image data stored in the storage unit when there is no corresponding image data. A search program for searching for a specific music file from a plurality of music files stored in the storage unit 60, and the like. The data memory 80 stores music file data read from the storage unit 60, processed image data, and the like.

  FIG. 5 is a functional block diagram of the image data processing program. The image data processing program 150 includes an unsupported music data determination unit 152, an attribute data selection unit 154, an attribute data search unit 156, an image data extraction unit 158, and an image data processing unit 160.

  The unsupported music data determination unit 152 determines whether or not image data corresponding to the music data is included. This discrimination target is not only music data stored in the storage unit 60 but also music data of a CD, DVD, or external media.

  When the attribute data selection unit 154 receives the determination result that the image data corresponding to the music data is not included by the unsupported music data determination unit 152, the attribute data selection unit 154 selects the attribute data of the unsupported music data. The attribute data includes some data. In a preferred example, artist data is selected. Of course, in addition to artist data, other attribute data such as genre data and album data may be selected together. The selection of attribute data is determined by initial settings or can be changed by user settings.

  The attribute data search unit 156 searches the storage unit 60 for attribute data that matches the selected attribute data. When there are a plurality of selected attribute data (artist data and genre data), a search may be made for a search that matches all the attribute data. It may be possible to search for data having the same attribute data (artist data).

  The image data extraction unit 158 receives the search result of the attribute data search unit 156, and extracts image data of other music files including common attribute data.

  The image data processing unit 160 processes and creates image data using the image data extracted by the image data extraction unit 158, and stores the created image data as image data corresponding to unsupported music data. 60. For example, when there are multiple pieces of extracted image data, the image data is reduced, and the image data is reduced to combine the multiple image data, the background color of the image data is changed, or a person image is extracted from the image data. To do.

  Next, the image data processing operation in the in-vehicle audio apparatus according to the present embodiment will be described with reference to the flowchart of FIG. Here, an example will be described in which image data is formed when music data is stored in the storage unit 60 by ripping from a CD or the like.

  First, the unsupported music data determination unit 152 searches for image data in the music file in the storage unit 60, and searches for unsupported music data that does not correspond to the image data (step S101). For example, in the example of FIG. 4, music files #K and #L are determined.

  When the unsupported music data discriminating unit 152 discriminates the incompatible music data (step S102), the attribute data selection unit 154 next selects the attribute data of the incompatible music data (step S103). For example, artist data is selected as attribute data when creating image data with a common artist, and genre data is selected when creating image data with a common genre.

  Next, the attribute data search unit 156 searches for attribute data of another music file that matches the selected attribute data (step S104). When a plurality of attribute data are selected, a search is made for a match of all attribute data or a search for a match of some attribute data. In the example of FIG. 4, when artist data “Art01” is selected as the attribute data of the music file #K, the music file # 01 and the music file # 02 having attribute data that matches this attribute data are searched for “Art01”. Is done. When artist data “Art01” and genre data “POPS” are selected as the attribute data of the music file #L, the music file # 02 having the same attribute data as the attribute data of both is searched.

  If a music file having common attribute data is searched, the process proceeds to the next step. If no other music file having common attribute data is searched, the search is performed again by changing the attribute data search conditions (step S105). . For example, a search is first performed using artist data, and if another image composition file corresponding to this is not found, a search is performed again using, for example, genre data.

  Next, the image data extraction unit 158 that has received the search result of the attribute data search unit 156 extracts the image data of the searched music file (step S106). At this time, if more than a certain number of music files are searched, select the latest music file or a music file with a large number of times based on the update date and the number of playbacks, etc., and narrow down the number of music files. Also good. Alternatively, candidate image data may be displayed and selected by the user.

  Next, the image data processing unit 160 processes the extracted image data to create image data (step S107). The created image data is stored in the storage unit 60 as image data of unsupported music data (step S108). The stored image data is displayed as image data associated with the image display area 14 shown in FIG. 1 when the music file is reproduced or searched.

  In the above embodiment, the image data is processed into unsupported music data at the time of ripping, but the image data may be processed at other timing. For example, it may be performed when an on-board audio device is activated, when a user gives an instruction, when a music file is played back, or the like. Furthermore, when reproducing music data recorded on a CD or the like, the above method may be used to retrieve image data from the storage unit, process the image data, and display the image data. In this case, the processed image data does not necessarily need to be stored in the storage unit 60, and is erased simultaneously with the end of the reproduction of the CD.

  Next, an example of processing image data will be described. FIG. 7A is a processing example of image data when artist data is selected as the attribute data of the music file #K in FIG. In this case, the image data “V” and “W” of the music file # 1 and # 2 having the same artist data are extracted, and the image data processing unit reduces the image data to ¼ size, and the four image data Is created. The arrangement of “V” and “W” may be arranged or alternated. Alternatively, the image data may be reduced to ½, and the two image data “V” and “W” may be combined.

  FIG. 7B is a processing example of image data for the music file #L. When artist data and genre data are selected as attribute data, the music file # 2 is searched, and the image data “W” is extracted. The image data processing unit reduces “W” to ¼ size, and creates image data 172 by combining the four image data.

  Image data 174 shown in FIG. 7C is an example of processing when three types of image data are extracted. The image data 176 shown in FIG. 7D processes four types of image data. When the image data has a priority order (for example, the reproduction frequency of the music file or the latest update date and time of ripping), the priority order is high. The high image data “V” is displayed larger than the other image data “X”, “Y”, “Z”.

  Image data 178 shown in FIG. 7E is a modification of FIG. 7B. The image data 172 shown in FIG. 7B is displayed as a plurality of reduced image data, so that it is recognized that the image data is processed. In FIG. The background color (displayed by hatching) is changed instead of reducing "". Image data 180 shown in FIG. 7 (f) is a modification of FIG. 7 (b), and is obtained by reducing the four image data “W” and changing the background color. This further identifies that the image data has been processed. These processes are only examples, and it is possible to appropriately change the process such as the magnification and the color scheme according to the display size and resolution of the image data, and the change can be set by the user. Also good.

  Next, another example of processing image data will be described. The album cover photo often uses the artist's own photo or an illustration of the artist's own deformed shape. In order to create image data having an artist image, it is desirable to use an artist's face image. Therefore, as shown in FIG. 8A, face recognition processing of the extracted image data 190 is executed, and thereby the face image 192 is extracted. Then, the magnification of the extracted face image 192 is appropriately selected, and processed image data 194 as shown in FIG. 8B is created.

  Face recognition is a technique for identifying and extracting a human face from an image by analyzing the image data of the face photograph. As a specific method, the external shape of the face, the position and shape of parts such as eyes, nose, mouth, ears, and the like constituting the face, how to apply muscles, etc. are recognized and digitized. It is judged from this digitized feature whether or not it is a human face, and if it is a human face, only the face portion is extracted.

  Next, a music file search example will be described. The image data is displayed on the display together with the reproduction information during reproduction of the music data, but the image data can be used for searching for music files. By selecting attribute data by user input and continuously displaying image data of music files corresponding to the selected attribute data, a desired music file can be searched (cover flow).

  FIG. 9A shows an album search screen 200 when an album is selected as attribute data. On the album search screen 200, image data 210 corresponding to the selected album is displayed in a flow at regular time intervals, and the user selects an album by looking at the image data. FIG. 9B shows an artist search screen 220 when an artist is selected as attribute data, and FIG. 9C shows a genre search screen 230 when a genre is selected as attribute data. ) Shows the search screen 240 when a playlist is selected. The play list here is a list in which the user arbitrarily determines the reproduction order of the music data. When no attribute data is selected, the image data of all music data can be displayed sequentially.

  As described above, according to the present embodiment, during reproduction of music data, an artist image can be displayed without displaying “NO Image” that does not support image data in a space in which a jacket photo fits. Specification satisfaction can be improved without detracting from the standard. Also, when searching by cover flow, the artist image can be displayed without displaying “NO Image” in the space where the jacket photo fits, so that it helps to understand the album contents and the convenience is improved. Furthermore, the cover flow is a search by album unit, but the artist flow can be searched by artist unit.

  The preferred embodiment of the present invention has been described in detail above, but the present invention is not limited to the specific embodiment, and various modifications can be made within the scope of the present invention described in the claims. Deformation / change is possible.

FIG. 1A is an example of a downloaded music information image, and FIG. 1B is an example of a music information image taken from a CD. It is a block diagram which shows the structure of the vehicle-mounted audio apparatus which concerns on the Example of this invention. FIG. 3A is an example of the data structure of the reproduction file according to the present embodiment, and FIG. 3B is a modification of the data structure of the reproduction file according to the present embodiment. It is a specific example of the reproduction | regeneration file which concerns on a present Example. It is a functional block diagram of an image data processing program according to the present embodiment. 3 is a flowchart of an image data processing operation according to the present embodiment. It is a figure which shows the example of a process of the image data which concerns on the Example of this invention. FIG. 8A shows image data including a human image, and FIG. 8B shows an example of a composite image according to the third embodiment of the present invention. FIG. 9A is an example of a music file search screen in the embodiment of the present invention, FIG. 9A is an album search screen example, FIG. 9B is an artist search screen example, FIG. 9C is a genre search screen example, FIG. (D) is an example of a playlist search screen.

Explanation of symbols

10: In-vehicle audio device 20: Input unit 30: External I / F 40: Display unit 50: Playback output unit 60: Storage unit 70: Program memory 80: Data memory 100: Music file 110: Music data 120: Image data 130 : Attribute data 150: Composite image 200: Album search screen 220: Artist search screen 230: Genre search screen 240: Playlist search screen

Claims (10)

Storage means for storing music data, attribute data indicating attributes of music data, and image data corresponding to the music data;
Playback means for playing music data;
Display means for displaying image data corresponding to the music data;
Discriminating means for discriminating whether or not image data corresponding to music data is included in the storage means;
Search means for searching for music data having attribute data common to attribute data of unsupported music data determined by the determination means as not supporting image data;
Image data corresponding to the music data searched by the search means is extracted, the image data is processed based on the extracted image data, and the processed image data is made to correspond to the image data of the unsupported music data. Processing means ,
The content data reproducing apparatus , wherein when the plurality of image data is extracted and the image data has a priority, the processing means processes the image data having a higher priority so that the image data is displayed larger than the other image data . The content data reproducing apparatus according to claim 1, wherein the priority is determined based on a reproduction frequency of music data. 2. The content data reproducing apparatus according to claim 1, wherein the search means selects a music file having a large number of reproductions based on the number of reproductions when a certain number of pieces of music data are retrieved . The content data reproducing apparatus according to claim 1, wherein the processing unit executes a face recognition process on the image data, and creates image data using the face image extracted thereby . The content data reproducing apparatus according to claim 1, wherein the processing unit includes identification information indicating that the processed image data is processed. The content data reproducing apparatus further includes music data search means for searching for music data, and when the music data search means is executed, the display means displays image data corresponding to the music data. 2. The content data reproducing apparatus according to 1. Music data, attribute data indicating the attributes of music data, and image data corresponding to the music data are stored in the storage device, and image data corresponding to the music data is read from the storage device when the music data is reproduced or searched, and the read image A method of processing image data in a content data reproducing apparatus having a function of displaying data,
A determination step of determining whether or not image data corresponding to music data is included in the storage device;
A search step for searching for music data having attribute data common to the attribute data of the unsupported music data determined that the image data is not supported by the determination step;
Extracting image data corresponding to the music data searched in the search step, and processing the image data based on the extracted image data;
The processed image data have a a step to correspond to the image data of the incompatible music data,
In the processing step, when a plurality of image data is extracted and the image data has a priority, the image data having a higher priority is processed so as to be displayed larger than the other image data. Method. The image data processing method according to claim 7, wherein the search step selects a music file having a large number of reproductions based on the number of reproductions when a certain number of pieces of music data are retrieved. Music data, attribute data indicating the attributes of music data, and image data corresponding to the music data are stored in the storage device, and image data corresponding to the music data is read from the storage device when the music data is reproduced or searched, and the read image A processing program for image data executed by a content data reproducing device having a function of displaying data,
A determination step of determining whether or not image data corresponding to music data is included in the storage device;
A search step for searching for music data having attribute data common to the attribute data of the unsupported music data determined that the image data is not supported by the determination step;
Extracting image data corresponding to the music data searched in the search step, and processing the image data based on the extracted image data;
The processed image data have a a step to correspond to the image data of the incompatible music data,
In the processing step, when a plurality of image data is extracted and the image data has a priority, the image data having a higher priority is processed so as to be displayed larger than the other image data. program. 10. The image data processing program according to claim 9, wherein the search step selects a music file having a large number of reproductions based on the number of reproductions when a certain number of pieces of music data are retrieved.

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