JP4689111B2 - Music player - Google Patents

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Publication number
JP4689111B2
JP4689111B2 JP2001278444A JP2001278444A JP4689111B2 JP 4689111 B2 JP4689111 B2 JP 4689111B2 JP 2001278444 A JP2001278444 A JP 2001278444A JP 2001278444 A JP2001278444 A JP 2001278444A JP 4689111 B2 JP4689111 B2 JP 4689111B2
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Japan
Prior art keywords
music
information
means
hierarchy
folder information
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JP2001278444A
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Japanese (ja)
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JP2003084877A (en
Inventor
昌樹 分須
健治 都倉
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クラリオン株式会社
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an information selection device that selects desired file information from an enormous number of file information stored in a folder hierarchical structure, and more specifically, from an enormous number of music song file information stored in a folder hierarchical structure. The present invention relates to a music playback apparatus that selects music music file information of the music.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, for example, in an in-vehicle music playback device, music playback is performed by reading and playing back music data for each song recorded on a storage medium such as a cassette tape, CD, or MD.
[0003]
In recent years, with the technical advancement of large-capacity storage media, large-capacity storage media such as HDD, DVD or CD-ROM have become widespread. For example, some HDDs have a capacity of about 60 GB. is there.
[0004]
Further, as the technical progress of data compression technology advances, for example, in the MPEG1 Audio Layer III (hereinafter simply referred to as MP3) data compression technology, the music data is reduced while suppressing the quality deterioration accompanying the music data compression. Since the data can be compressed to about one-tenth, an average song requires a data capacity of about 3 MB per song. Therefore, even if it thinks simply, 300 or more music can be recorded, for example with 1-Gbyte HDD.
[0005]
In the future, in-vehicle audio playback devices will also be able to be equipped with storage means that are large-capacity storage media such as HDDs, DVDs, or CD-ROMs. The number is expected to be enormous.
[0006]
However, assuming such an in-vehicle music playback device, if the number of music tunes becomes enormous, the selection operation for selecting a desired tune from the enormous number of tunes while driving is complicated. Conceivable.
[0007]
Therefore, in order to efficiently select desired music song file information from the HDD in which the music song file information of these enormous numbers of songs is recorded, the music song file information is classified for each music item such as a performer or album name, for example. Folder hierarchy is required.
[0008]
As a music playback device using such a folder hierarchical structure, music music file information, music item folder information of the lowest hierarchy including the music music file information, and folder information of the lowest hierarchy are included, A storage means such as an HDD for storing the music item folder information of the upper hierarchy layered for each music item in a folder hierarchical structure, an operation unit for selecting the music item folder information for each layer, and the operation unit Control means for controlling the music playback means to start the playback operation based on the music song file information included in the music item folder information of the lowest hierarchy when the music item folder information of the lower hierarchy is selected; The one with is proposed.
[0009]
[Problems to be solved by the invention]
However, according to such a conventional music reproducing apparatus, since music song file information of an enormous number of songs is stored in a storage means such as an HDD, music item folder information including these music song file information is stored. Even if the hierarchical folder hierarchy structure is displayed directly on the display means, the number of songs in the music song file information and the number of levels in the folder hierarchy become enormous. However, the operation of selecting desired music tune file information from a huge number of menus on the display screen becomes very complicated.
[0010]
Further, even if it is not the music playback device described above, in an information selection device that selects desired file information from a storage means that generally stores a large number of file information using a folder hierarchical structure, Since the number and the number of levels in the folder hierarchy become enormous, the operation of selecting desired file information from an enormous menu on the display screen becomes very complicated.
[0011]
The present invention has been made in view of the above points, and an object thereof is to greatly improve the operability for selecting desired file information from an enormous number of file information using a folder hierarchical structure. It is to provide an information selection device.
[0012]
Furthermore, the present invention has been made in view of the above points, and an object thereof is to select desired music song file information from music song file information of an enormous number of songs using a folder hierarchical structure. It is an object of the present invention to provide a music playback apparatus that has greatly improved operability.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, the information selection device of the present invention includes file information, folder information of the lowest hierarchy including the file information, and folder information of the lowest hierarchy, and is hierarchized for each item type. Storage means for storing the folder information in the upper hierarchy in a folder hierarchy structure, selection means for selecting folder information for each hierarchy, and folder information in the lowest hierarchy is selected by this selection means. Control means for executing a control operation based on file information contained in lower-layer folder information, and reading the highest-level folder information stored in the storage means, and Display control means for displaying a list of folder information of the hierarchy on the display means, and the display control means is configured to display the indicator displayed on the display means; Each time the desired folder information is selected by the selection means from the list of the ladder information, the folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means, and this read A list of hierarchical folder information is displayed as an indicator on the display means.
[0014]
Therefore, according to the information selection device of the present invention, a list of folder information hierarchized for each item type is displayed as an indicator on the display means, and desired folder information is selected by the selection means from the list of folder information displayed on the indicator. Each time a selection is made, the folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means, and the list of folder information of the read hierarchy is displayed on the display means as an indicator. In other words, since the list of folder information is displayed as a graphical indicator, the operability for selecting desired file information from a huge number of file information using the folder hierarchical structure is greatly improved. be able to.
[0015]
In the information selection device of the present invention, when the display control means reads folder information of the same hierarchy from the storage means so that the display means displays an indicator on the display means, the information selection device is based on the read number of folder information of the same hierarchy. Thus, the display unit has an identification display control means for displaying an indicator of the list of folder information on the display means so that individual folder information in the same hierarchy can be identified.
[0016]
Therefore, according to the information selection device of the present invention, based on the number of folder information displayed on the indicator, a list of these folder information is displayed on the display means so that the individual folder information on the same level can be identified. Thus, the user can recognize individual folder information from the indicator display.
[0017]
In the information selection device of the present invention, the storage unit stores an item type name for identifying an item type for each layer, and the display control unit identifies the item type of the layer in which the indicator of the display unit is displayed. The item type name to be read is read from the storage means, and the item type name is displayed on the display means.
[0018]
Therefore, according to the information selection device of the present invention, since the item type name related to the hierarchy of the folder information being displayed on the indicator is displayed on the display means, the user can select the item type of the current hierarchy on the indicator display. Can be visually recognized.
[0019]
The information selection device of the present invention reads the item type name from the storage unit by the display control unit, and converts the item type name into voice, and the voice converted by the voice conversion unit. And an audio output means for outputting audio.
[0020]
Therefore, according to the information selection device of the present invention, when the item type name is read out, the item type name is converted into voice, and the voice converted voice is output. The item type of the current hierarchy can be audibly recognized.
[0021]
In the information selection device of the present invention, each time the display control unit selects desired folder information from the list of folder information displayed by the indicator, the display unit displays the indicator of the desired folder information. The folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means while being displayed on the display means, and the list of the folder information of the read hierarchy is displayed on the indicator being displayed. An indicator is displayed on the display means so that it can be identified.
[0022]
Therefore, according to the information selection device of the present invention, whenever desired folder information is selected by the selection means from the list of folder information displayed by the indicator, the indicator display of the desired folder information is displayed, The folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read, and the list of folder information of the read hierarchy is displayed as an indicator so as to be distinguishable from the displayed indicator display. Therefore, the folder hierarchy structure of the selected folder information can be recognized as a whole.
[0023]
In the information selection device of the present invention, the selection unit is configured in a touch panel format for selecting folder information or file information being displayed on the display screen of the display unit.
[0024]
Therefore, according to the information selection device of the present invention, since the selection means is in a touch panel format, the user can select folder information or file information on the display screen.
[0025]
In order to achieve the above object, a music playback device of the present invention includes music song file information, music item folder information at the lowest level including the music song file information, and folder information at the lowest level. Storage means for storing upper-level music item folder information hierarchized for each music item in a folder hierarchical structure, selection means for selecting music item folder information for each hierarchy, and the selection means for the lowest hierarchy When music item folder information is selected, music having control means for controlling the music reproduction means so as to start the reproduction operation based on the music song file information included in the music item folder information of the lowest hierarchy A playback device that reads out the music item folder information of the highest hierarchy stored in the storage means and displays a list of the music item folder information of the highest hierarchy Display control means for displaying an indicator in a row, the display control means each time desired music item folder information is selected by the selection means from a list of music item folder information displayed on the display means as an indicator. Then, the music item folder information of the next lower hierarchy of the hierarchy to which the selected desired music item folder information belongs is read from the storage means, and a list of the read music item folder information of the hierarchy is displayed on the display means as an indicator. I did it.
[0026]
Therefore, according to the music reproducing apparatus of the present invention, a list of music item folder information hierarchized for each music item is displayed on the display means, and a desired music item folder is displayed from the list of the music item folder information displayed on the indicator. Each time information is selected by the selection means, the music item folder information of the next lower layer of the hierarchy to which the selected desired music item folder information belongs is read from the storage means, and the music item folder information of the read hierarchy Is displayed on the display means, that is, the list of music item folder information is displayed as a graphical indicator, so the music file information of a huge number of songs can be obtained using the folder hierarchy structure. The operability for selecting desired music song file information can be greatly improved.
[0027]
In the music reproducing apparatus of the present invention, when the display control means selects the music item folder information of the lowest hierarchy by the selection means, the music song file included in the music item folder information of the lowest hierarchy The display position of the information from the beginning of the song to the end of the song is displayed on the display means, and when an arbitrary playback position displayed on the indicator is selected by the selection means, the playback operation starts from this arbitrary playback position. Thus, the music playback means is controlled.
[0028]
Therefore, according to the music playback device of the present invention, when the music item folder information in the lowest hierarchy is selected, the music song file information included in the music item folder information in the lowest hierarchy is from the beginning of the song to the end of the song. Is displayed on the display means, and the control means starts the reproduction operation from the arbitrary reproduction position when the selection means selects an arbitrary reproduction position during the indicator display. Therefore, the user can visually start the reproduction operation from an arbitrary reproduction position.
[0029]
The music reproducing apparatus of the present invention has selection monitoring means for monitoring whether or not a selection operation by the selection means has been performed within a predetermined time for the music item folder information indicated by the indicator on the display means, and the control If the selection monitoring means determines that there is no music item folder information selection operation, the music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information currently displayed on the indicator Is read from the storage means, and the music reproduction means is controlled so as to start the reproduction operation based on the music tune file information.
[0030]
Therefore, according to the music playback device of the present invention, when it is determined that there is no selection operation by the selection means within a predetermined time for the music item folder information displayed on the indicator, the music item folder information currently displayed on the indicator is displayed. Since the music music file information included in the music item folder information of the lowest hierarchy related to the file is read and the music playback means is controlled to start the playback operation based on the music music file information, the user It is possible to receive not only desired music song file information but also music of desired music item folder information, for example, music song file information corresponding to an album name or a player name.
[0031]
In the music playback apparatus of the present invention, when the control means includes a plurality of music song file information included in the music item folder information of the lowest layer related to the music item folder information currently displayed on the indicator, the music song file information The music playback means is controlled so as to start the music playback in a predetermined order based on the above.
[0032]
Therefore, according to the music reproducing apparatus of the present invention, when there are a plurality of music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information currently displayed on the indicator, the music song file information includes Since the music playback in a predetermined order is started on the basis of the above, the user can listen to music in a desired music item folder information, for example, a plurality of music music file information corresponding to the album name and the player name. .
[0033]
The music playback apparatus of the present invention is configured such that the folder hierarchy structure of the music item folder information is layered in the order of storage medium designation information, player name information, album name information, and song name information from the highest level.
[0034]
Therefore, according to the music reproducing apparatus of the present invention, the folder hierarchical structure of the music item folder information is configured by layering the storage medium designation information, player name information, album name information, and song name information in order from the highest level. As a result, the user can listen to music corresponding to the storage medium name, performer name, album name, and song name.
[0035]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0036]
(Embodiment 1)
FIG. 1 is a block diagram showing a schematic configuration inside the information selection device according to the first embodiment.
[0037]
The information selection device is a device that selects desired file information from a storage unit that stores a large number of file information using a folder hierarchical structure.
[0038]
The information selection device 10 shown in FIG. 1 includes file information, folder information of the lowest hierarchy that includes the file information, and folder information of the lowest hierarchy that includes this file information, Storage means 11 for storing folder information in a folder hierarchy structure, selection means 12 for selecting folder information for each hierarchy, and when the lowest hierarchy folder information is selected by this selection means 12, this lowest hierarchy Based on the file information contained in the folder information, the control means 14 for executing the control operation of the driving means 13 and the folder information of the highest hierarchy stored in the storage means 11 are read out, and the folder information of these highest hierarchy is read. Display control means 16 for displaying an indicator on the display means 15.
[0039]
The storage means 11 is assumed to be composed of, for example, four folder hierarchy structures of the highest hierarchy, the second hierarchy, the third hierarchy, and the lowest hierarchy.
[0040]
Each time the desired folder information is selected by the selection means 12 from the list of folder information displayed on the indicator 15 on the display means 15, the display control means 16 is the next lower level of the hierarchy to which the selected desired folder information belongs. The folder information of the hierarchy is read from the storage means 11 and a list of the read folder information of the hierarchy is displayed on the display means 15 as an indicator. The indicator display is a graphical band display shown in FIG.
[0041]
Furthermore, when the folder information of the same hierarchy is read from the storage means 11 so that the display control means 16 displays an indicator on the display means 15, the individual information of the same hierarchy is read out based on the read number of folder information of the same hierarchy. The display unit 15 includes an identification display control unit 16A for displaying an indicator of the list of the folder information on the display unit 15 so that the folder information can be identified.
[0042]
The storage unit 11 stores an item type name that identifies the item type for each layer, and the display control unit 16 stores the item type name that identifies the item type of the layer in the indicator display of the display unit 15. And the item type name is displayed on the display unit 15.
[0043]
Further, when the information selection device 10 reads the item type name from the storage unit 11 by the display control unit 16, the information conversion device 17 converts the item type name into a voice, and the voice conversion unit 17 converts the item type name. And an audio output means 18 for outputting audio.
[0044]
Further, each time the desired folder information is selected by the selection unit 12 from the list of folder information displayed as an indicator, the display control unit 16 keeps the indicator display of the desired folder information displayed on the display unit 15. The folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means 11, and the list of folder information of the read hierarchy is displayed so as to be distinguishable from the displayed indicator display. An indicator is displayed on the means 15.
[0045]
The selection means 12 is configured in a touch panel format for selecting the folder information or file information being displayed on the display screen of the display means 15.
[0046]
Next, the operation of the information selection device 10 showing the first embodiment will be described. FIG. 2 is a flowchart showing the processing operation related to the file information selection processing of the information selection device 10 according to the first embodiment.
[0047]
The file information selection process shown in FIG. 2 is a process for selecting desired file information from an enormous number of file information stored in the storage unit 11.
[0048]
In FIG. 2, the display control means 16 of the information selection device 10 reads the highest level folder information from the storage means 11 through the control means 14 (step S11), and detects the number of folder information read from the storage means 11 (step S11). S12).
[0049]
The display control means 16 calculates an indicator range corresponding to each folder information based on the number of folder information (step S13). For example, in the case of the indicator display 50 of the highest hierarchy, the indicator range includes three pieces of folder information of the highest hierarchy, and therefore, as shown in FIG. Will be divided.
[0050]
Based on the indicator range, the display control means 16 displays a list of folder information in the same hierarchy on the display means 15 as shown in FIG. 3A (step S14). A list of individual folder information may be identified and displayed in color.
[0051]
The display control means 16 reads out the item type name of the same hierarchy in the indicator display and the folder name of the folder information from the storage means 11 (step S15). The item type name is the name of the item type for each layer. In FIG. 3, for convenience of explanation, the top layer, the second layer, the third layer, and the bottom layer are used, and the folder name is the name of individual folder information. For example, AAA, BBB, CCC, DDD, EEE are used.
[0052]
The display control means 16 displays the item type name in the same hierarchy on the indicator display on the display means 15 (step S16). In the display screen of FIG. 3A, “top layer” is displayed on the screen as the item type name 60. Further, the highest level hierarchy which is the item type name is voice-converted through the voice conversion means 17 so that the “highest level hierarchy” is voice-output from the voice output means 18.
[0053]
Further, the display control means 16 determines whether or not a touch selection operation by the selection means 12 has been detected (step S17). If the touch selection operation by the selection unit 12 is detected, the identification display control unit 16A displays the indicator range 50B corresponding to the touch position in an identification display, for example, reverse display as shown in FIG. 3A (step S18). ).
[0054]
Further, the display control means 16 reads out the folder name of the folder information corresponding to the indicator range corresponding to the touch position from the storage means 11, and displays this folder name (step S19). In the display screen of FIG. 3A, “AAA” is displayed on the screen as the folder name 70.
[0055]
Furthermore, the display control means 16 determines whether or not a touch selection determination operation by the selection means 12 has been detected (step S20). If the touch selection determination operation is detected, it is determined that the desired folder information has been selected, and whether or not the lower-layer folder information to which the folder information in the indicator range corresponding to the touch position belongs is in the storage unit 11. It is determined whether or not (step S21).
[0056]
When the display control means 16 determines that the lower hierarchy folder information to which the folder information of the indicator range corresponding to the touch position belongs is in the storage means 11, the display control means 16 reads the lower hierarchy folder information from the storage means 11 ( In step S22), in order to display the lower layer folder information as an indicator, the process proceeds to step S12.
[0057]
If a touch selection operation is not detected in step S17, monitoring is performed until the touch selection operation is detected. If no touch selection determination operation is detected in step S20, the process proceeds to step S17.
[0058]
If it is determined in step S21 that the folder information of the lower hierarchy to which the folder information of the indicator range corresponding to the touch position belongs does not exist in the storage unit 11, the folder information currently displayed on the indicator is the folder information of the lowest hierarchy. The file information included in the folder information of the lowest hierarchy is read from the storage means 11 (step S23), and the control operation of the drive means 13 is executed based on the file information (step S24). The processing operation is terminated.
[0059]
According to the first embodiment, a list of folder information hierarchized for each item type is displayed as an indicator on the display unit 15, and desired folder information is selected by the selection unit 12 from the list of folder information displayed on the indicator. Each time the selected folder information is selected, the folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means 11, and a list of the folder information of the read hierarchy is displayed on the display means 15 as an indicator. In other words, since the folder information list is displayed as a graphical indicator, the operability for selecting desired file information from a large number of file information using the folder hierarchy structure is greatly improved. Can be.
[0060]
Furthermore, according to the first embodiment, a list of folder information is displayed on the display means 15 so that individual folder information in the same hierarchy can be identified based on the number of folder information displayed on the indicator. Since the information is displayed, the user can recognize individual folder information from the indicator display.
[0061]
Furthermore, according to the first embodiment, since the item type name related to the hierarchy of the folder information being displayed on the indicator is displayed on the display means 15, the user can select the item type of the current level on the indicator display. Can be visually recognized.
[0062]
Further, according to the first embodiment, when the item type name is read out, the item type name is converted into voice, and the voice converted voice is output. The item type of the current hierarchy can be audibly recognized.
[0063]
Further, according to the first embodiment, as shown in FIG. 3B, every time desired folder information is selected by the selection means 12 from the list of folder information displayed on the indicator, this desired information is displayed. With the folder information indicator displayed, the folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs can be read, and the list of folder information of the read hierarchy can be distinguished from the displayed indicator display Since the indicator is displayed so as to be, the folder hierarchy structure of the selected folder information can be recognized as a whole.
[0064]
The four-fold folder hierarchical structure related to the folder information selected in this way is displayed as an indicator on the display means 15 as shown in FIG. 3B. However, for example, it is included in the folder information of the lowest hierarchy. Even if the selection of the desired file information is changed after the file information to be selected is selected, the folder information is not selected again from the highest level, but the second level, the third level, etc., in which the indicator is displayed By simply selecting the folder information including the desired file information from the indicator display, it is possible to omit a complicated operation until the desired file information is selected.
[0065]
In this case, for example, when desired folder information of the second hierarchy is selected, the indicator display of the third hierarchy and the lowest hierarchy currently displayed is deleted, and the third folder information included in the desired folder information of the second hierarchy is included. A list of hierarchy folder information is displayed as an indicator.
[0066]
(Embodiment 2)
Next, a music playback device showing a second embodiment will be described. FIG. 4 is a block diagram showing a schematic configuration inside the music reproducing apparatus according to the second embodiment.
[0067]
The music playback device is a device for selectively playing back desired music song file information from storage means storing music song file information of a huge number of songs using a folder hierarchical structure.
[0068]
The music playback device 20 shown in FIG. 4 stores music data, for example, a storage medium 21 such as a CD 21A, a DVD 21B, or an HDD 21C that stores MP3 data, and music data and MP3 data (music) recorded on the storage medium 21. A music playback unit 22 that plays back music file information), a voice conversion unit 23 that converts text information into voice information, a speaker 24 that outputs the voice information that has been voice-converted, and a user voice and the like. A microphone 25 that recognizes the collected sound, a display unit 27 that displays various information on the screen, and a touch panel 28 that inputs various commands on the display screen of the display unit 27. A display control unit 29 for controlling display of the display unit 27 and a microcomputer 30 for controlling the music playback device 20 as a whole. It is.
[0069]
The storage medium 21 includes music song file information, the lowest hierarchy music item folder information including the music song file information, and the lowest hierarchy folder information, and is hierarchized for each music item. Are stored in a folder hierarchical structure.
[0070]
The touch panel 28 selects music item folder information for each layer on the display screen.
[0071]
When the music item folder information in the lowest hierarchy is selected on the touch panel 28, the microcomputer 30 performs the control operation of the music playback unit 22 based on the music song file information included in the music item folder information in the lowest hierarchy. Is to execute.
[0072]
The display control unit 29 reads the highest-level music item folder information stored in the storage medium 21, displays a list of the highest-level music item folder information on the display unit 27, and displays the list on the display unit 27. Every time desired music item folder information is selected on the touch panel 28 from the displayed list of music item folder information, the music item folder information of the next lower layer of the layer to which the selected desired music item folder information belongs. Is read from the storage medium 21, and a list of the read music item folder information of the hierarchy is displayed on the display unit 27 as an indicator.
[0073]
Further, when the music item folder information of the same hierarchy is read from the storage medium 21 so that the display control unit 29 displays the indicator on the display unit 27, the display control unit 29, based on the read number of music item folder information of the same hierarchy, An identification display control unit 29A for displaying an indicator of a list of the music item folder information on the display unit 27 is provided so that individual music item folder information on the same level can be identified.
[0074]
Further, when the music item folder information at the lowest level is selected on the touch panel 28, the display control unit 29 from the beginning of the song to the end of the song of the music song file information included in the music item folder information at the lowest level. Is displayed on the display unit 27 (reference numeral 80 shown in FIG. 6), and when an arbitrary playback position 80A being displayed on the indicator is selected on the touch panel 28, an arbitrary playback position 80A by the music playback unit 22 is selected. The playback operation from was executed.
[0075]
Further, the microcomputer 30 has selection monitoring means for monitoring whether or not a selection operation by the touch panel 28 has been performed within a predetermined time with respect to the music item folder information displayed on the display unit 27 as an indicator. If it is determined that there is no selection operation, the music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information currently displayed on the indicator is read from the storage medium 21, and based on the music song file information. Then, the music playback unit 22 is controlled so as to start the playback operation.
[0076]
In addition, when there is a plurality of music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information that is currently displayed with the indicator, the microcomputer 30 performs music in a predetermined order based on the music song file information. The music playback unit 22 is controlled so that playback is performed.
[0077]
The music item folder information is composed of four folder hierarchies of the highest hierarchy, the second hierarchy, the third hierarchy, and the lowest hierarchy. The highest hierarchy is storage medium designation information, the second hierarchy is player name information, and the first hierarchy. Three levels are album name information, and the lowest level is song name information.
[0078]
The storage medium designation information is information for designating the source of the CD 21A, DVD 21B, HDD 21C, etc. in the storage medium 21, the player name information is information for designating the player name, and the album name information is the album name. Information and song name information are information for designating a song.
[0079]
The storage means is the storage medium 21, the selection means is the touch panel 28, the music playback means is the music playback section 22, the control means is the microcomputer 30, the display control means is the display control section 29, and the identification display control means is the identification display. The control unit 29A, the voice conversion unit corresponds to the voice conversion unit 23, and the voice output unit corresponds to the speaker 24.
[0080]
Next, the operation of the music playback device 20 showing the second embodiment will be described. FIG. 5 is a flowchart showing the processing operation related to the music tune file playback processing of the music playback device 20 according to the second embodiment.
[0081]
The music song file reproduction process shown in FIG. 5 is a process of selecting desired music song file information from the music song file information of an enormous number of songs stored in the storage medium 21.
[0082]
In FIG. 5, the display control unit 29 of the music playback device 20 reads the music item folder information (storage medium designation information) of the highest hierarchy from the storage medium 21 (step S31), and the music item folder information read from the storage medium 21 is read. The number is detected (step S32).
[0083]
The display control unit 29 calculates an indicator range corresponding to each music item folder information based on the number of music item folder information (step S33). Note that this indicator range is divided into three indicator ranges 50A as shown in FIG. 6, for example, in the case of the indicator display 50 of the highest hierarchy, since there are three pieces of music item folder information of the highest hierarchy. It will be.
[0084]
Based on the indicator range, the display control unit 29 displays a list of music item folder information in the same hierarchy on the display unit 27 as shown in FIG. 6 (step S34).
[0085]
The display control unit 29 reads from the storage medium 21 the music item type name and the music item folder information in the same hierarchy that are being displayed as indicators (step S35). Note that the music item type name is the name of the item type for each level, for example, the source name for the highest level, the player name for the second level, the album name for the third level, and the song name for the lowest level. For convenience of explanation, the highest hierarchy, the second hierarchy, the third hierarchy, and the lowest hierarchy are used, and the folder name is the name of individual folder information.
[0086]
The display control unit 29 displays on the display unit 27 the name of the music item type at the same level in the indicator display (step S36). In the display screen of FIG. 6, for example, “source” is displayed on the screen as the music item type name 60 of the highest hierarchy. Also, the “source”, which is the name of the music item type, is converted into sound through the sound conversion unit 23 so that the “source” is output from the speaker 24 as sound.
[0087]
The microcomputer 30 starts a timer operation for a predetermined time (step S37), and determines whether or not a touch selection operation by the touch panel 28 has been detected (step S38).
[0088]
If a touch selection operation by the touch panel 28 is detected, the identification display control unit 29A performs identification display, for example, reverse display of the indicator range corresponding to the touch position as shown in FIG. 6 (step S39).
[0089]
Further, the display control unit 29 reads the folder name of the music item folder information corresponding to the indicator range 50B corresponding to the touch position from the storage medium 21, and displays this folder name (step S40). In the display screen of FIG. 6, for example, “HDD” is displayed on the screen as the selected folder name 70 in the highest hierarchy.
[0090]
Further, the display control unit 29 determines whether or not a touch selection determination operation by the touch panel 28 has been detected (step S41). If the touch selection determination operation is detected, it is determined that the desired music item folder information is selected, and the music item folder information of the lower hierarchy to which the music item folder information in the indicator range corresponding to the touch position belongs is stored. It is determined whether or not it is in the medium 11 (step S42).
[0091]
When the display control means 16 determines that the music item folder information in the lower hierarchy to which the music item folder information in the indicator range corresponding to the touch position belongs is in the storage medium 21, the display control means 16 displays the music item folder information in the lower hierarchy. Reading from the storage medium 21 (step S43), the process proceeds to step S32 to display the music item folder information of the lower hierarchy as an indicator.
[0092]
If it is determined in step S42 that the music item folder information in the lower hierarchy to which the music item folder information in the indicator range corresponding to the touch position belongs does not exist in the storage medium 21, the music item folder information currently displayed on the indicator is the lowest. It is determined that the music item folder information is in the hierarchy, the music song file information included in the music item folder information in the lowest hierarchy is read from the storage medium 21 (step S44), and the music is based on the music song file information. A reproduction operation is executed by the reproduction unit 22 (step S45), and this processing operation is terminated.
[0093]
If a touch selection operation is not detected in step S38 or a touch selection determination operation is not detected in step S41, it is determined whether or not the predetermined time timer started in step S37 has expired. (Step S46).
[0094]
If the predetermined time timer has not expired, the process proceeds to step S38. If the predetermined time timer has expired, all music music file information in the lowest hierarchy of the same hierarchy is read from the storage medium 21 (step S47), and a predetermined order is assigned to these music music file information (step S48). ), The music file information is sequentially reproduced in this predetermined order (step S49), and this processing operation is terminated. In step S48, the music tune file information is sequentially reproduced in a predetermined order, but may be random reproduction.
[0095]
Next, after selecting desired music tune file information in step S44, as shown in FIG. 6, an operation in a case where this music tune file information is displayed as an indicator on the display screen will be described.
[0096]
When the music item folder information of the lowest layer is selected on the touch panel 28, the display control unit 29 reproduces the music song file information included in the music item folder information of the lowest layer from the beginning of the song to the end of the song. The position is displayed as an indicator on the display unit 27 (reference numeral 80 shown in FIG. 6).
[0097]
Furthermore, when an arbitrary playback position 80A during indicator display is selected on the touch panel 28, the microcomputer 30 causes the music playback unit 22 to perform a playback operation from the selected arbitrary playback position 80A. Similarly, the indicator display during the reproduction operation also reversely displays the reproduction position after sequential reproduction according to the reproduction operation, so that the user visually recognizes the length of the song being reproduced. be able to.
[0098]
According to the second embodiment, a list of music item folder information hierarchized for each music item is displayed on the display unit 27 as an indicator, and desired music item folder information is displayed from the list of music item folder information displayed on the indicator. Is selected on the touch panel 28, the music item folder information of the next lower layer of the layer to which the selected desired music item folder information belongs is read from the storage medium 21, and the music item folder information of the read layer is stored. Is displayed on the display unit 27, that is, the list of music item folder information is displayed as a graphical indicator, so that the music song file information of a large number of songs can be obtained using the folder hierarchical structure. The operability for selecting the desired music song file information from can be greatly improved .
[0099]
According to the second embodiment, a list of music item folder information is displayed so that individual music item folder information in the same hierarchy can be identified based on the number of music item folder information displayed on the indicator. Since the indicator is displayed on the unit 27, the user can recognize individual music item folder information from the indicator display.
[0100]
Furthermore, according to the second embodiment, since the music item type name related to the hierarchy of the music item folder information being displayed on the indicator is displayed on the display unit 27, the user can display the current hierarchy on the indicator display. Can be visually recognized.
[0101]
Further, according to the second embodiment, when the music item type name is read, the music item type name is converted to voice, and the voice converted voice is output. The music item type in the upper current hierarchy can be audibly recognized.
[0102]
According to the second embodiment, when music item folder information in the lowest hierarchy is selected, reproduction from the beginning of the song to the end of the song of the music song file information included in the music item folder information in the lowest hierarchy is performed. Since the position is displayed on the display unit 27 and when an arbitrary playback position being displayed on the touch panel 28 is selected, the music playback unit 22 performs a playback operation from the arbitrary playback position. The user can visually start the reproduction operation from an arbitrary reproduction position.
[0103]
According to the second embodiment, when it is determined that there is no selection operation by the touch panel 28 within a predetermined time for the music item folder information displayed on the indicator, the music item folder information currently displayed on the indicator is related. Since the music song file information included in the music item information in the lowest hierarchy is read and the playback operation by the music playback unit 22 is executed based on the music song file information, the user can select the desired music song file information. In addition, it is possible to listen to music of desired music item folder information, for example, music music file information corresponding to an album name or a player name.
[0104]
Furthermore, according to the second embodiment, when there is a plurality of music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information currently displayed on the indicator, the plurality of music song file information Are sequentially reproduced in a predetermined order, so that the user can listen to music of desired music item folder information, for example, music pieces of music piece file information corresponding to album names and player names.
[0105]
Furthermore, according to the second embodiment, the music item folder information is configured by layering the storage medium designation information, the player name information, the album name information, and the song name information in order from the highest level. The user can listen to music corresponding to the source name, performer name, album name, and song name.
[0106]
Note that the four-level folder hierarchy structure related to the folder information selected in this way is displayed on the display unit 27 as shown in FIG. 6, but it is included in the music item folder information in the lowest hierarchy, for example. Even when the selection of the desired music song file information is changed after selecting the music song file information, the music item folder information is not selected again from the highest level, but the second level of the indicator is displayed. By selecting the music item folder information including the desired music song file information from the indicator display of the third hierarchy or the like, it is possible to omit a complicated operation until the desired music song file information is selected. In this case, for example, when desired folder information of the second hierarchy is selected, the indicator display of the third hierarchy and the lowest hierarchy currently displayed is deleted, and the third folder information included in the desired folder information of the second hierarchy is included. A list of hierarchy folder information is displayed as an indicator.
[0107]
In the second embodiment, the MP3 data recorded on the HDD 21C has been described as having a folder hierarchical structure. However, in the case of a CD or DVD, for example, an album number recorded on each CD or DVD, A folder hierarchical structure may be formed with the program number or the like, and each hierarchy of these folder hierarchical structures may be displayed as an indicator.
[0108]
In the first and second embodiments, the selection means is selected by the touch panel 28, but cursor selection or click selection may be performed by a button or a mouse.
[0109]
The storage medium 21 has been described by taking the HDD 21C that records CD 21A, DVD 21B, and MP3 data as an example, but it goes without saying that the same effect can be obtained even if the storage medium 21 is applied to an HDD that records MD or WAVE files.
[0110]
Further, in the second embodiment, the music item folder information is configured by layering storage medium designation information, player name information, album name information, and song name information in order from the highest level. For example, the music item folder information may be hierarchized for each music genre item such as classic, pops, and enka. In this case, storage medium designation information, music genre information, performer name information, album name from the highest level. If the information and the song title information are arranged in order, the user can listen to desired music from the music genre by selecting a favorite music genre.
[0111]
In addition, when the information selection device showing the first embodiment and the music playback device showing the second embodiment are applied to an in-vehicle device, the operability is good, This can greatly contribute to the safety of traveling operation.
[0112]
【The invention's effect】
According to the information selection device of the present invention configured as described above, a list of folder information hierarchized for each item type is displayed on the display means, and desired folder information is displayed from the list of folder information displayed on the indicator. Is selected by the selection means, the folder information of the next lower hierarchy of the hierarchy to which the selected desired folder information belongs is read from the storage means, and the list of folder information of the read hierarchy is displayed on the display means as an indicator. Since the folder information list is displayed as a graphical indicator, the operability for selecting desired file information from a large number of file information using the folder hierarchy is provided. Can be significantly better.
[0113]
In addition, according to the music playback apparatus of the present invention, a list of music item folder information hierarchized for each music item is displayed on the display means, and a desired music item folder is displayed from the list of music item folder information displayed on the indicator. Each time information is selected by the selection means, the music item folder information of the next lower layer of the hierarchy to which the selected desired music item folder information belongs is read from the storage means, and the music item folder information of the read hierarchy Is displayed on the display means, that is, the list of music item folder information is displayed as a graphical indicator, so that a desired number of music song file information can be obtained using a folder hierarchy structure. The operability for selecting the music song file information can be greatly improved.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration inside an information selection device according to a first embodiment of the present invention.
FIG. 2 is a flowchart showing a processing operation related to a file information selection process of the information selection device showing the first embodiment;
FIG. 3 is an explanatory diagram illustrating a display screen of the information selection device according to the first embodiment.
FIG. 4 is a block diagram showing a schematic configuration inside a music playback device showing a second embodiment;
FIG. 5 is a flowchart showing a processing operation related to music song file playback processing of the music playback device showing the second embodiment;
FIG. 6 is an explanatory diagram showing a display screen of the music playback device showing the second embodiment;
[Explanation of symbols]
10 Information selection equipment
11 Storage means
12 Selection means
13 Drive means
14 Control means
15 Display means
16 Display control means
16A Identification display control means
17 Voice conversion means
18 Audio output means
20 Music player
21 Storage medium (storage means)
22 Music player (music player)
23 Voice conversion unit (voice conversion means)
24 Speaker (Audio output means)
27 Display section (display means)
28 Touch panel (selection means)
29 Display control unit (display control means)
29A Identification display control unit (identification display control means)
30 Microcomputer (control means)

Claims (4)

  1. Music piece file information, and music items folder information encompassing lowest layer of the music piece file information includes the folder information of the lowest layer, music items folder information of hierarchical upper level for each music item Storage means for storing a folder hierarchy structure;
    A selection means for selecting music item folder information for each hierarchy;
    When music items folder information of the lowest layer is selected by said selecting means, to start the reproducing operation on the basis of the lowest layer of the music item folder music piece file information contained in the information, the music reproducing means A music playback device having control means for controlling
    Display control means for the indicator displayed on the display means a list of music items folder information of said storage means to read out the music item folder information of the highest hierarchy in the storage, read the highest layer,
    Selection monitoring means for monitoring whether or not the selection operation by the selection means has been performed within a predetermined time with respect to the music item folder information displayed as an indicator on the display means ;
    The display control means is, every time the list or we music Items folder information of the music Items folder information that is indicator displayed on the display means is selected by said selection means, the selected music Items folder information belongs hierarchy The music item folder information of the next lower hierarchy is read from the storage means, and a list of the read music item folder information of the hierarchy is displayed on the display means as an indicator ,
    When the selection monitoring means determines that there is no music item folder information selection operation, the control means includes the music items included in the music item folder information at the lowest layer related to the music item folder information currently displayed on the indicator. A music playback device that reads the file information from the storage means and controls the music playback means to start a playback operation based on the read music tune file information .
  2. Said display control means, when the music entry folder information of the lowest layer is selected by said selecting means, to tune tail songs from the beginning of the lowest layer of the music item folder music piece file information contained in the information while the indicator display the playback position on said display means, said control means, when an arbitrary playback position in the indicator displayed by said selection means is selected, starts the reproduction operation from an arbitrary playback position the selected as described above, the music reproducing apparatus according to claim 1, wherein for controlling the music reproducing means.
  3. When there is a plurality of music song file information included in the music item folder information of the lowest hierarchy related to the music item folder information currently displayed on the indicator, the control means is predetermined based on the plurality of music song file information . 3. The music reproducing apparatus according to claim 1, wherein the music reproducing means is controlled so as to start the reproduction of the music in the order.
  4. Folder hierarchy of the musical items folder information storage medium specifying information from the highest hierarchical level, performer name information, according to any one of claims 1 constituting put hierarchy in the order of the album name information and Song Information 3 Music player.
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