WO2006082885A1 - Dispositif, procede, programme de reproduction de contenu, et support d’enregistrement pouvant etre lu par ordinateur - Google Patents

Dispositif, procede, programme de reproduction de contenu, et support d’enregistrement pouvant etre lu par ordinateur Download PDF

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Publication number
WO2006082885A1
WO2006082885A1 PCT/JP2006/301756 JP2006301756W WO2006082885A1 WO 2006082885 A1 WO2006082885 A1 WO 2006082885A1 JP 2006301756 W JP2006301756 W JP 2006301756W WO 2006082885 A1 WO2006082885 A1 WO 2006082885A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
route
content
keyword
unit
Prior art date
Application number
PCT/JP2006/301756
Other languages
English (en)
Japanese (ja)
Inventor
Hiroaki Shibasaki
Koji Koga
Mari Kitada
Kiyoshi Morikawa
Shuuji Watanabe
Original Assignee
Pioneer Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corporation filed Critical Pioneer Corporation
Publication of WO2006082885A1 publication Critical patent/WO2006082885A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • H04N21/8405—Generation or processing of descriptive data, e.g. content descriptors represented by keywords

Definitions

  • Content playback device content playback method, content playback program, and computer-readable recording medium
  • the present invention relates to a content reproduction device, a content reproduction method, and a content reproduction program
  • a computer-readable recording medium a computer-readable recording medium.
  • use of the present invention is not limited to a content playback device, a content playback method, a content playback program, and a computer-readable recording medium.
  • Non-patent document 1 there are content reproduction apparatuses that reproduce various contents such as movies and TV programs.
  • the content can be selectively played back by designating keywords related to the content to be played back in advance. For example, if you want to play back content that has been recorded on a program that has been televised in the past, there is a content playback device that implements a program search heading function based on the recording date of the content, keywords, etc. (for example, Non-patent document 1 below).
  • Non-Patent Document 1 Hitachi, Ltd., “New Product-Use Release“ Dijiru Tape Navi (DT—DR 1) ”, [online], August 22, 2001, [December 2004 28 days search], Internet URL: http://www.hitachi.co.jp/New/cnews/2001/0822/>
  • the content playback apparatus includes route search means for searching for a route to a destination based on map information, and information about the destination or information about the route searched by the route search means.
  • route search means for searching for a route to a destination based on map information, and information about the destination or information about the route searched by the route search means.
  • Keyword students that generate force keywords Generating means determining means for determining the content to be reproduced based on the keyword generated by the keyword generating means, content acquiring means for acquiring the content determined by the determining means, and acquired by the content acquiring means
  • a reproducing means for reproducing the content.
  • the content reproduction method includes a route search step for searching for a route to a destination based on map information, and information on the destination or information on a route searched by the route search step.
  • a keyword generation step for generating a keyword
  • a determination step for determining content to be played based on the keyword generated by the keyword generation step
  • a content acquisition step for acquiring the content determined by the determination step
  • a content reproduction program according to the invention of claim 8 causes a computer to execute the content reproduction method according to claim 7.
  • a computer-readable recording medium according to the invention of claim 9 is characterized in that the content reproduction program according to claim 8 is recorded.
  • FIG. 1 is a block diagram showing an example of a functional configuration of a content reproduction apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 shows a processing procedure of the content reproduction apparatus according to the first embodiment of the present invention.
  • FIG. 1 A first figure.
  • FIG. 3 is a block diagram showing an example of a functional configuration of the content reproduction device according to the second embodiment of the present invention.
  • FIG. 4 shows the processing procedure of the content reproduction apparatus according to the second embodiment of the present invention.
  • FIG. 1 A first figure.
  • FIG. 5 is a block diagram showing an example of a hardware configuration of the navigation device according to the embodiment of the present invention.
  • FIG. 6 is a flowchart for explaining a processing procedure performed when a reproduction schedule list is created.
  • FIG. 7 is a flowchart for explaining another processing procedure performed when a reproduction schedule list is created.
  • FIG. 8 is a flowchart for explaining a processing procedure performed in content reproduction.
  • FIG. 9 is a flowchart for explaining a processing procedure performed when the reproduction schedule list is updated.
  • FIG. 10 is an explanatory diagram showing an example of a data structure of content.
  • FIG. 1 is a block diagram showing an example of a functional configuration of the content reproduction apparatus according to the first embodiment of the present invention.
  • the content reproduction apparatus according to the first embodiment of the present invention includes a route search unit 101, a keyword generation unit 102, a determination unit 103, and a content acquisition unit 1 04, a playback unit 105, a selection unit 106, a time information acquisition unit 107, a weather information acquisition unit 108, a guidance unit 109, and a display unit 110.
  • the route search unit 101 searches for a route to the destination based on the map information.
  • a route with a high priority is searched based on settings made in advance by the user. Examples of the preset settings include: “Search for the route that arrives at the destination earlier than the shortest distance”, “Search for routes with priority on general roads (or toll roads)”, “Road width of 6 m or more Search for a route so that it can pass through the road.
  • Information on the route searched by the route search unit 101 or the destination set in the route search is stored in a storage unit (not shown) provided in the content reproduction device.
  • the keyword generation unit 102 also generates a keyword for information about a destination or information power about a route.
  • the keyword generation unit 102 may generate information power keywords related to the destination information or the route based on the information acquired by the time information acquisition unit 107. Further, the keyword generation unit 102 may generate a keyword from the information about the destination or the information about the route based on the information acquired by the weather information acquisition unit 108.
  • the determination unit 103 determines the content to be reproduced based on the information on the destination or the information on the route searched by the route search unit 101.
  • the content acquisition unit 104 acquires the content determined by the determination unit 103.
  • the content acquisition unit 104 may acquire content held by the content reproduction device, and may also acquire content by an external force of the content reproduction device.
  • the playback unit 105 plays back the content acquired by the content acquisition unit 104. When reproducing the content, video is displayed on the display unit 110 or audio is used.
  • the selection unit 106 selects the route searched by the route search unit 101.
  • the route selection by the selection unit 106 is performed by selecting one of the routes searched by the route search unit 101. If there is only one route searched by the route search unit 101, the route is selected by searching for the route. On the other hand, when a plurality of routes are searched by the route search unit 101, one of the routes is selected. And made by.
  • the selection unit 106 may select a route on which the guidance unit 109 performs route guidance.
  • the time information acquisition unit 107 acquires information related to at least one of the date and time and the time when the route is selected by the selection unit 106.
  • the weather information acquisition unit 108 acquires information regarding the weather when the route is selected by the selection unit 106.
  • the guiding unit 109 performs route guidance using the route searched by the route searching unit 101. When the route is guided by the guide unit 109, the route searched by the route search unit 101 may be displayed on the display unit 110.
  • FIG. 2 is a flowchart for explaining the processing procedure of the content reproduction apparatus according to the first embodiment of the present invention.
  • the process shown in FIG. 2 is executed on condition that the route search unit 101 has previously performed a route search.
  • the process shown in FIG. 2 first waits until it is determined that a route has been selected (step S201: No). If it is determined that the route has been selected (step S201: Yes), information on the destination or information on the route searched by the route search unit 101 is acquired (step S202).
  • step S202 is described in FIG. 2 as “Destination Z route information acquisition”.
  • step S203 it is determined whether or not to consider the time information.
  • the determination as to whether or not the power considering the time information may be made based on the setting in the determination unit 103, for example. If it is determined that the time information is considered (step S203: Yes), the time information is acquired (step S204). For example, when a dedicated storage unit for storing the time information is provided, the time information may also be acquired. Further, without providing a dedicated storage unit, it is possible to acquire information regarding the history of the route searched by the route search unit 101. If it is determined that the time information is not taken into consideration (step S203: No), the process proceeds to step S205.
  • step S205 it is determined whether or not to consider weather information.
  • the determination as to whether or not the ability to consider the weather information may be made based on the setting in the determination unit 103, for example. If it is determined that the weather information is to be considered (step S205: Yes), the weather information is Obtain (Step S206). For example, in the case where a dedicated storage unit for storing weather information is provided, the weather information may be acquired as the weather information. In addition, it may be possible to acquire the external force of the content playback device when it is determined that the weather information should be taken into consideration without providing a dedicated storage unit. If it is determined that the weather information is not taken into consideration (step S205: No), the process proceeds to step S207.
  • a keyword is also generated for information regarding the destination or information regarding the route (step S207).
  • step S207 when it is determined in step S203 that the time information is considered, a keyword is generated based on the information on the destination or the information on the route and the information acquired by the time information acquisition unit 107.
  • step S207 if it is determined in step S205 that the weather information is considered, based on the information on the destination or the route, and the information acquired by the weather information acquisition unit 108, Generate keywords.
  • step S208 Based on the generated keyword, it is determined whether or not the corresponding content has power (step S208). If it is determined that there is no corresponding content (step S208: No), the process returns to step S203. On the other hand, when it is determined that there is the corresponding content (step S208: Yes), the content to be reproduced is determined (step S209), and the determined content is acquired (step S210).
  • Step S211 It is determined whether or not the vehicle engine is running! / (Step S211). If it is determined that the vehicle engine is not strong (step S211: No), the process returns to step S203. If it is determined that the vehicle engine is powered (step S211: Yes), the acquired content is played back (step S212). Further, it is determined whether or not route guidance is in progress at the time of content reproduction (step S213). If it is determined that the route is not being guided (Step S213: No), the process proceeds to Step S212.
  • step S214 it is determined whether or not there is a change in the estimated time of arrival at the destination or the estimated time of passage at the waypoint. ).
  • arrival Z The force that changed the estimated time of passing Z?”. For example, if there is a traffic jam on the route used for route guidance, the estimated time of arrival at the destination or the estimated transit time of the waypoint will change There is. If it is determined that there is no change in the scheduled arrival time to the destination or the scheduled transit time at the waypoint (step S214: No), the process proceeds to step S212, and the content reproduction is continued.
  • step S214 If it is determined that there has been a change in the estimated arrival time to the destination or the scheduled transit time at the waypoint (step S214: Yes), the process proceeds to step S203. In this case, it is determined again whether or not to consider the time information and weather information, and a new keyword is generated based on the determination result. Based on the new keyword, it is determined whether or not the corresponding content exists. If there is the corresponding content, the content is newly acquired. Then, instead of the content being reproduced, the newly acquired content is reproduced. If there is no corresponding content, playback of the already acquired content is continued.
  • the information power keyword related to the route to the destination searched based on the information related to the destination or the map information is generated. Based on the generated keyword, the content to be played is determined, and the determined content is acquired. Since the acquired content is played back, it is possible to play back the content related to the destination or the route without causing the user to perform a complicated task of searching for the content. As a result, it is possible to play back content that is related to the user's behavior without the user's operation.
  • information on the destination or information power keyword on the route is generated based on information on at least one of the date and time when the route is selected.
  • the information on the destination or the information power keyword on the route is generated based on the information on the weather when the route is selected.
  • the route used for route guidance performed using the route searched by route search unit 101 is selected.
  • an optimal route is appropriately selected according to the occurrence of traffic congestion.
  • content suitable for each situation can be played in accordance with changes in road conditions, and entertainment provided to users can be improved.
  • FIG. 3 is a block diagram showing an example of a functional configuration of the content reproduction apparatus according to the second embodiment of the present invention.
  • the content playback apparatus according to the second embodiment of the present invention includes a route search unit 101, a keyword generation unit 102, a determination unit 103, a content acquisition unit 104, a playback unit 105, The selection unit 106, the time information acquisition unit 107, the weather information acquisition unit 108, the guidance unit 109, and the display unit 110 are included.
  • the keyword generation unit 102 of the present embodiment generates a keyword only with respect to the information regarding the destination or the information power regarding the route searched by the route search unit 101.
  • the determining unit 103 determines the content based on the keyword generated by the keyword generating unit 102 and the information acquired by the time information acquiring unit 107. Further, the determination unit 103 according to the present embodiment determines the content based on the keyword generated by the keyword generation unit 102 and the information acquired by the weather information acquisition unit 108.
  • FIG. 4 is a flowchart for explaining a processing procedure of the content reproduction apparatus according to the second embodiment of the present invention.
  • the process shown in FIG. 4 is executed on condition that the route search unit 101 has previously performed a route search.
  • the process shown in FIG. 4 first waits until it is determined that a route has been selected (step S401: No).
  • step S401 If it is determined that the route has been selected (step S401: Yes), information on the destination is displayed. Information on the route searched by the information or route search unit 101 is acquired (step S402). The process of step S402 is described as “Destination Z route information acquisition” in FIG. A keyword is also generated based on the information on the destination acquired in step S402 or the information power on the route searched by the route search unit 101 (step S403). The keyword generated in step S403 is, for example, on the destination or the route. You may generate a facility that you want to use as a keyword.
  • step S404 it is determined whether or not to consider the time information.
  • the determination as to whether or not the power considering the time information may be made based on the setting in the determination unit 103, for example. If it is determined that the time information is considered (step S404: Yes), the time information is acquired (step S405). For example, when a dedicated storage unit for storing the time information is provided, the time information may also be acquired. Further, without providing a dedicated storage unit, it is possible to acquire information regarding the history of the route searched by the route search unit 101. If it is determined that the time information is not considered (step S404: No), the process proceeds to step S406.
  • step S406 it is determined whether or not weather information is taken into consideration.
  • the determination as to whether or not the ability to consider the weather information may be made based on the setting in the determination unit 103, for example. If it is determined that the weather information is considered (step S406: Yes), the weather information is acquired (step S407). For example, when a dedicated storage unit for storing weather information is provided, the storage unit may also acquire the storage unit power. In addition, it is possible to acquire the external force of the content playback device when it is determined that the weather information should be taken into consideration without providing a dedicated storage unit. If it is determined that the weather information is not taken into consideration (step S406: No), the process proceeds to step S408.
  • step S408 Based on the keyword generated in step S403, it is determined whether there is corresponding content (step S408). In step S408, if it is determined in step S404 that the time information is taken into account, based on the information acquired by the time information acquisition unit 107, information about the destination or information keyword about the route is generated. In step S408, if it is determined that the weather information is considered in step S406, the destination information is obtained based on the information acquired by the weather information acquisition unit 108. Generate information keywords related to information or routes. If it is determined that there is no corresponding content (step S408: No), the process returns to step S404. On the other hand, if it is determined that the corresponding content exists (step S408: Yes), the content to be played is determined (step S409), and the determined content is acquired (step S410).
  • step S411 it is determined whether or not the vehicle engine is powered (step S411). If it is determined that the vehicle engine is not powered (step S411: No), the process returns to step S404. If it is determined that the vehicle engine is active (step S411: Yes), the acquired content is played back (step S412). Further, when reproducing the content, it is determined whether or not the route is being guided (step S413). If it is determined that the route is not being guided (step S413: No), the process proceeds to step S412.
  • step S414 If it is determined that the route is being guided (step S413: Yes), it is determined whether or not there is a change in the estimated arrival time to the destination or the scheduled transit time at the waypoint (step S414). ).
  • the processing of step S414 is described as “Arrival Z: Force that changed the estimated time of passing through?”. For example, if there is a traffic jam on the route used for route guidance, the estimated time of arrival at the destination or the estimated transit time of the waypoint may change. If it is determined that there is no change in the scheduled arrival time to the destination or the scheduled transit time at the waypoint (step S414: No), the process proceeds to step S412 and the content reproduction is continued.
  • step S414 If it is determined that there is a change in the estimated arrival time to the destination or the estimated transit time at the waypoint (step S414: Yes), the process proceeds to step S404. In this case, it is determined again whether or not to consider the time information and weather information, and a new keyword is generated based on the determination result. Based on the new keyword, it is determined whether or not the corresponding content exists. If there is the corresponding content, the content is newly acquired. Then, instead of the content being reproduced, the newly acquired content is reproduced. If there is no corresponding content, playback of the already acquired content is continued.
  • the information power time information acquisition unit relating to at least one of the date and time when the route searched by route search unit 101 is selected. Acquired by 107. Then, the keyword generator 102 The content is determined based on the keyword generated in this way and the information acquired by the time information acquisition unit 107. As a result, it is possible to play content related to the destination or route and also related to the date and time when the route is selected, thereby improving the entertainment characteristics provided to the user. it can.
  • the content reproduction apparatus of the present embodiment information on the weather when the route searched by route search unit 101 is selected is acquired. Then, the content is determined based on the keyword generated by the keyword generation unit 102 and the information acquired by the weather information acquisition unit 108. As a result, it is possible to play content that is related to the destination or route and also related to the weather when the route is selected, thereby improving the entertainment characteristics provided to the user. it can.
  • FIG. 5 is a block diagram showing an example of a hardware configuration of a navigation apparatus that is useful in the embodiment of the present invention.
  • the navigation device that is useful in the embodiment of the present invention is mounted on a vehicle.
  • the navigation apparatus includes a central control unit 501, a user operation unit 502, a display unit 503, a position acquisition unit 504, a recording medium 505, a recording medium decoding unit 506, a guidance sound output unit 507, and a communication unit. 508, a route search unit 509, a route guidance unit 510, a guidance sound generation unit 511, a speaker 512, a playback unit 513, a storage medium 514, and a playback condition storage unit 515. ing.
  • the central control unit 501 controls the entire navigation device.
  • the central control unit 501 includes a CPU (Central Processing Unit) that executes predetermined arithmetic processing, a ROM (Read Only Memory) that stores various control programs, and a RAM (Random Access Memory) that functions as a work area for the CPU. ) Etc., and can be realized by a computer with a microphone.
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • ROM or RAM for example, EPG (Electric Program Guide) program guide
  • EPG Electronic Program Guide
  • the central control unit 501 obtains information regarding the current position acquired by the position acquisition unit 504 and the recording medium 505 via the recording medium decoding unit 506 when the route guidance unit 510 performs route guidance. Based on the obtained map information, it calculates which position on the map the vehicle is traveling on and outputs the calculation result to the display unit 503. In addition, the central control unit 501 inputs / outputs information related to route guidance to / from the route search unit 509, the route guidance unit 510, and the guidance sound generation unit 511, and information obtained as a result thereof. Is output to the display unit 503 and the guide sound output unit 507.
  • the user operation unit 502 outputs information input by the user, such as characters, numerical values, and various instructions, to the central control unit 501.
  • information input by the user such as characters, numerical values, and various instructions
  • various known forms such as a push button switch, a touch panel, a keyboard, and a joystick that detect physical pressing Z non-pressing can be employed.
  • the user operation unit 502 may be configured to perform an input operation by sound using a microphone that inputs sound from the outside.
  • the user operation unit 502 may be provided integrally with the navigation device, or may have a configuration in which the navigation device force can be separated and operated like a remote controller.
  • the user operation unit may be configured in any one of the various forms described above, or may be configured in a plurality of forms.
  • the user inputs information by appropriately performing an input operation according to the form of the user operation unit 502. For example, a destination is given as information input by the operation of the user operation unit 502. Specifically, for example, when a navigation device is provided in a vehicle or the like, a point to be reached by a person who gets on this vehicle and becomes V is set.
  • the touch panel when a touch panel is adopted as a form of the user operation unit 502, the touch panel is used by being stacked on the display surface side of the display unit 503.
  • the input information is recognized by managing the display timing on the display unit 503, the operation timing on the touch panel (user operation unit 502), and the position coordinates thereof.
  • a touch panel stacked on the display unit 503 as a form of the user operation unit 502
  • a large amount of information can be input without increasing the size of the operation unit 502.
  • various known touch panels such as a resistance film type and a pressure sensitive type can be used.
  • Display unit (monitor) 503 includes, for example, a CRT (Cathode Ray Tube), a TFT liquid crystal display, an organic EL display, a plasma display, and the like.
  • the display unit 503 can be configured by, for example, a video IZF or a video display device connected to the video IZF.
  • the video IZF includes, for example, a graphic controller that controls the entire display device, a buffer memory such as VRAM (Video RAM) that temporarily stores image information that can be displayed immediately, and a graphic controller. Based on the output image information, it consists of a control IC that controls the display of the display device.
  • Display unit 503 displays various information such as icons, cursors, menus, windows, or characters and images.
  • the display unit 503 displays map information stored in the recording medium 505 and information related to route guidance such as a route searched by the route search unit 509.
  • the position acquisition unit 504 acquires the current position of the device itself.
  • the current position of the device itself is to receive the radio wave from the GPS satellite and to obtain the geometric position with the GPS satellite, and can be measured anywhere on the earth.
  • GPS is an abbreviation for Global Positioning System, and is a system that accurately determines the position on the ground by receiving radio waves from four or more satellites. Since this is a known technique, the explanation of GPS is omitted.
  • the position acquisition unit 504 can be configured by, for example, an antenna for receiving radio waves of satellite power, a tuner that demodulates the received radio waves, an arithmetic circuit that calculates the current position based on the demodulated information, and the like.
  • Radio waves from GPS satellites are: 1. 57542 GHz carrier, CZA (Coarse and
  • L1 radio waves This detects the current position (latitude and longitude) of the device itself.
  • information collected by various sensors such as a vehicle speed sensor and a gyro sensor may be taken into consideration.
  • the vehicle speed sensor detects from the output shaft of the transmission of the vehicle equipped with the navigation device.
  • information collected by various sensors such as an angular velocity sensor, a travel distance sensor, and an inclination sensor may be taken into consideration.
  • the angular velocity sensor detects the angular velocity when the host vehicle is rotating, and outputs angular velocity information and relative orientation information.
  • the mileage sensor calculates the number of pulses per rotation of the wheel by counting the number of pulses of a pulse signal with a predetermined period that is output as the wheel rotates, and the number of pulses per rotation is calculated. Based on mileage information is output.
  • the inclination sensor detects the inclination angle of the road surface and outputs inclination angle information.
  • the recording medium 505 records various control programs and various information in a computer readable manner.
  • the recording medium 505 accepts writing of information by the recording medium decoding unit 506 and records the written information in a nonvolatile manner.
  • the recording medium 505 can be realized by, for example, HD (Hard Disk).
  • the recording medium 505 is not limited to HD. Instead of HD or in addition to HD, DVD (Digital Versatile Disk), CD (Compact Disk), etc. can be attached to and detached from the recording medium decoding unit 506.
  • a medium having portability may be used as the recording medium 505.
  • the recording medium 505 is not limited to DVD and CD, but can be attached to and detached from the recording medium decoding unit 506 such as CD-ROM (CD-R, CD-RW), MO (Magneto-Optical disk), and memory card. It is possible to use media that is portable and portable.
  • map information is used for route search by the route search unit 509 and route guidance by the route guidance unit 510.
  • Map information includes background information that represents features (features) such as buildings, rivers, and the ground surface, and road shape information that represents the shape of the road. It is drawn on.
  • the background information includes background shape information representing the shape of the background and background type information representing the type of the background.
  • the background shape information includes, for example, information indicating feature points, polylines, polygons, feature coordinates, and the like.
  • the background type information includes, for example, text information indicating the name, address, telephone number, and the like of the feature, type information indicating the type of the feature such as a building “river”, and the like.
  • the road shape information is information related to a road network having a plurality of nodes and links.
  • the node is information indicating an intersection where a plurality of roads intersect, such as a three-way “crossroad” and a five-way.
  • a link is information indicating a road connecting nodes.
  • Some links have shape interpolation points that allow the expression of curved roads.
  • Road shape information has traffic condition information.
  • the traffic condition information is information indicating the characteristics of the intersection, the length (distance) of each link, vehicle width, traveling direction, traffic prohibition, road type, and the like.
  • intersections include, for example, complex intersections such as three- and five-way intersections, intersections where roads diverge at shallow angles, intersections around destinations, highway entrances and junctions, route deviation rates, etc. For example, high intersections.
  • the route departure rate can be calculated from, for example, past travel history data. Examples of road types include expressways, toll roads, and general roads.
  • the force for recording the map information on the recording medium 505 is not limited to this.
  • the map information may be provided outside the navigation device, not limited to the one recorded with the navigation device hardware.
  • the navigation device acquires map information via the network through the communication unit 508, for example.
  • the acquired map information is stored in RAM or the like.
  • the recording medium decoding unit 506 controls reading of information on the recording medium 505 and writing of Z.
  • the recording medium decoding unit 506 is an HDD (Hard Disk Drive).
  • the recording medium decoding unit 5006 is a DVD drive or a CD drive.
  • a CD-ROM (CD-R, CD-RW), MO, memory card, etc. is used as the writable and removable recording medium 505, information can be written to various recording media 505 and various recording media.
  • a dedicated drive device capable of reading the information stored in 505 is appropriately used as the recording medium decoding unit 506.
  • the guidance sound output unit 507 reproduces the guidance sound by controlling the output to the connected speaker 512.
  • the guide sound output unit 507 is connected to the audio IZF connected to the speaker 512 for audio output. Therefore, it is realizable.
  • the audio IZF includes, for example, a DZA converter that performs DZA conversion of audio digital information, an amplifier that amplifies an audio analog signal output from the DZA converter, and an AZD comparator that performs AZD conversion of audio analog information. And can be configured.
  • the communication unit 508 communicates with an external server or the like outside the navigation device.
  • the communication unit 508 acquires the external force of the navigation device such as content to be played back and weather information by communicating with an external server, for example.
  • Communication for acquiring the weather information to be reproduced can be realized using various known wireless communication technologies.
  • the configuration required for acquiring the content and weather information and the communication technology for acquiring the content and weather information are publicly known technologies, and thus description thereof is omitted.
  • the communication unit 508 receives road traffic information such as traffic jams and traffic restrictions. Reception of road traffic information by the communication unit 508 may be regular or irregular. Receiving road traffic information from the 508 communication center can be done at the time when the VICS (Vehicle Information and Communication System) center works when the road traffic information is distributed! This may be done by requesting information.
  • the communication unit 508 can be realized as, for example, an FM tuner, a VICSZ beacon receiver, and other communication devices. The received road traffic information is used, for example, for re-searching the route during route guidance.
  • VICS refers to traffic traffic information such as traffic jams and traffic regulations that have been edited and processed at the VICS center in real time. It is an information communication system that displays characters and figures on the screen.
  • VICS information road traffic information edited and processed at the VICS Center to the car navigation system
  • Beacons include “radio wave beacons” mainly used on expressways and “optical beacons” used on major general roads.
  • FM multiplex broadcasting road traffic information in a wide area can be received.
  • the location of the vehicle such as detailed information on the most recent road based on the vehicle's location. It is possible to receive necessary road traffic information at a place.
  • the route search unit 509 includes a current position acquired by the position acquisition unit 504, a destination input by the user, map information obtained from the recording medium 505 via the recording medium decoding unit 506, and Based on, the optimum route from the current position to the destination is calculated.
  • the calculation of the optimum route from the current position to the destination performed by the route search unit 509 will be described as a route search.
  • the route guidance unit 510 includes information on the route searched by the route search unit 509, or road traffic information received by the communication unit 508, information on the current position acquired by the position acquisition unit 504, Based on the map information obtained from the recording medium 505 via the recording medium decoding unit 506, real-time route guidance information is generated.
  • the route guidance information generated by the route guidance unit 510 is output to the display unit 503 via the central control unit 501.
  • Guide sound generation section 511 generates tone and voice information corresponding to the pattern. Specifically, the guidance sound generation unit 511 performs setting of a virtual sound source corresponding to the guidance point and generation of voice guidance information based on the route guidance information generated by the route guidance unit 510, and this is performed by the central control unit 501. To the guide sound output unit 507.
  • the playback unit 513 plays back content.
  • the content played back by the playback unit 513 may be content stored in the storage medium 514 in advance.
  • the content may also have acquired the external power of the navigation device by the communication unit 508.
  • the content acquired from the outside of the navigation device by the communication unit 508 may be temporarily stored in ROM or RAM, or may be stored in the storage medium 514 in a nonvolatile manner.
  • the storage medium 514 for example, HD can be used.
  • the playback unit 513 is one HD player.
  • the storage medium 514 may be provided in a fixed manner with respect to the playback unit 513, or may be a portable medium that can be attached to and detached from the playback unit 513.
  • a DVD-R can be used as the portable storage medium 514 that can be attached to and detached from the playback unit 513.
  • / RW or memory card can be used.
  • the playback unit 513 is a DVD player. Since this is a known technique, the description of the structure of the HD player and DVD player, and the mechanism of content playback in the HD player and DV player will be omitted.
  • the storage medium 514 stores content to be played back by the playback unit 513.
  • the content stored in the storage medium 514 may be, specifically, a content recorded by a user on a TV program, and is commercially available in a state of being stored in a medium such as a movie. It may be content.
  • the content stored in the storage medium 514 may be stored in a navigation device, or may be stored in an external device such as a home recorder.
  • the storage medium 514 is not limited to a disk medium such as HD or DVD.
  • a semiconductor memory such as a flash memory and other various media can be used.
  • the playback condition storage unit 515 stores various types of information required for playback of content. Examples of various information required for content playback include “whether or not to consider time information and weather information when extracting a keyword used to determine content to be played back”.
  • the time information is information related to at least one of the date and time when the route search unit 509 searches for the route.
  • the time information is information that is written on at least one of the date and time when the route searched by the route search unit 509 is moved by the moving means.
  • the weather information is information regarding the weather when the route is searched for by the route search unit 509.
  • the weather information is information related to the weather when the route searched by the route search unit 509 is moved by the moving means.
  • the time information and weather information may be stored in a dedicated storage unit provided for storing the time information and weather information.
  • the time information and weather information may be obtained from an external server or the like as necessary when extracting a keyword used for determining the content to be played back.
  • the processing of the navigation apparatus that is effective in the embodiment of the present invention is realized by appropriately executing each process of creating a reproduction schedule list and reproducing contents.
  • FIG. 6 is a flowchart for explaining the processing procedure performed when the reproduction schedule list is created.
  • the process shown in FIG. 6 is performed on the assumption that the user has set a destination and instructed to search for a route to the destination.
  • the process shown in FIG. 6 first waits until it is determined that a route has been selected (step S601: No). If it is determined that the route has been selected (step S601: Yes), information on the destination or information on the route searched by the route search unit 509 is acquired (step S602).
  • step S602 is described as “Destination Z route information acquisition”.
  • step S603 it is determined whether or not the time information is taken into consideration.
  • the determination as to whether or not the power in consideration of the time information may be made based on the setting in the reproduction condition storage unit 515, for example.
  • step S603: Yes the time information is acquired (step S604). If it is determined that the time information is not considered! (Step S603: No), the process proceeds to Step S605.
  • step S605 it is determined whether or not weather information is considered.
  • the determination as to whether or not the power considers the weather information may be made based on the setting in the reproduction condition storage unit 515, for example. If it is determined that the weather information is considered (step S605: Yes), the weather information is acquired (step S606). Consider the weather information! If it is determined (Step S605: No), the process proceeds to Step S607.
  • an information power keyword related to the destination or the route is generated (step S607).
  • the keyword generated in step S607 is, for example, the name of the destination or the name of a tourist spot on the route. It may be a place name or facility name around the destination. Further, it may be a tourist destination name as an area including the destination. For example, if the destination is “Shimoda”, “Izu”, “Minami Izu”, or a broader “Tokai” may be generated as a keyword. If it is a route that goes through characteristic terrain, you can use terrain information as a keyword as a keyword.
  • step S607 if it is determined in step S603 that the time information is considered, the key information is based on the information on the destination or the route and the time information. Generate a word. For example, a keyword is generated in which the recording date and time is associated with a matter related to spring / summer / autumn / winter or spring / summer / autumn / winter. Specifically, for example, if the recording date is “autumn”, keywords such as “autumn leaves” and “typhoon” are generated. If the recording date is “summer”, “sea bathing”, “sea”, “ A keyword such as “sunburn” may be generated.
  • step S607 if it is determined in step S605 that the weather information is considered, a keyword is generated based on the information on the destination or the information on the route and the weather information. Specifically, for example, when a route is determined in advance by determining a driving date before actually moving, the weather forecast for this date is used as weather information.
  • the destination may be generated as a keyword. It is also possible to generate keywords based on arbitrary terms, such as user-specified names.
  • the profile (gender, age, hobby, etc.) of the person riding in the vehicle may be set in advance, and keywords may be generated based on these profiles. For example, if you have multiple people on board, you can generate a common profile as a keyword.
  • the tendency of the person who is in the vehicle may be inferred from the gender, age, hobby, etc. in the profile, and this may be generated as a keyword.
  • a past viewing history of a person riding in the vehicle may be acquired in advance, and based on this viewing history, a genre or a performer of content that tends to be viewed often may be generated as a keyword.
  • the user may input the purpose of the drive and generate it as a keyword.
  • a database that associates the original word with the keyword generated based on the word such as a destination name or a tourist spot on the route, may be used. Good.
  • This database may be provided in a memory area provided in a ROM or RAM, or a dedicated storage unit may be provided. Also, set up a database on one external server, etc., and use the communication unit 508 to obtain data from this external server as appropriate.
  • step S608 based on the generated keyword, it is determined whether or not the corresponding content has power (step S608).
  • time information is considered in step S603. If it is determined that the corresponding content is present, it is determined whether or not the corresponding content exists based on the information on the destination or the route and the time information.
  • step S608: No If it is determined that there is no corresponding content (step S608: No), the process is terminated as it is. On the other hand, if it is determined that there is a corresponding content (step S608: Yes), the content determined to be applicable is acquired (step S609). Create a playback schedule list that uses the acquired content as the content to be played back (step S610), and the process ends.
  • step S610 for example, if the content is acquired using keywords based on the facility name, address name, genre name, nearby landmark name, etc. of the current location, each content is included in the guidance route. Then, a reproduction schedule list is created so that the reproduction is performed in the order of arrival (passing).
  • step S608 if it is determined in step S605 that the weather information is considered, the content including the extracted keyword is based on the information on the destination or the information on the route and the weather information. Judge whether there is a certain power.
  • the video data in the content may be analyzed to determine whether or not the extracted keyword matches based on the analyzed video data! /.
  • step S608 for example, if the content is a recorded program that has been televised on TV, the program title indicated by the EPG program guide and the wording in the program content introductory text are used. It is determined whether or not the force matches the extracted keyword. In addition, it is possible to determine whether or not the power matches the extracted keyword by using data such as a title or recording date that is directly attached to the content or added at the time of recording. In addition, it is also possible to determine whether or not the card matches the extracted key word by using a telop or audio word included in the content. It may be determined whether or not the extracted keyword is matched by searching the Internet information related to the content.
  • FIG. 7 is a flowchart for explaining another processing procedure performed when the reproduction schedule list is created.
  • the process shown in FIG. 7 is performed on the assumption that the user has set a destination and instructed to search for a route to the destination.
  • the process shown in Figure 7 First, it waits until it is determined that a route has been selected (step S701: No).
  • step S701 If it is determined that a route has been selected (step S701: Yes), information about the destination or information about the route searched by the route search unit 509 is acquired (step S702). In FIG. 7, the processing of step S702 is described as “Destination Z route information acquisition”. The acquired information power also generates a keyword (step S703).
  • step S704 it is determined whether or not to consider the time information.
  • the determination as to whether or not the power in consideration of the time information may be made based on the setting in the reproduction condition storage unit 515, for example. If it is determined that the time information is considered (step S704: Yes), the time information is acquired (step S705). If it is determined that the time information is not considered! (Step S704: No), the process proceeds to Step S706.
  • step S706 it is determined whether or not weather information is taken into consideration.
  • the determination as to whether or not the power considers the weather information may be made based on the setting in the reproduction condition storage unit 515, for example. If it is determined that the weather information is considered (step S706: Yes), the weather information is acquired (step S707). If it is determined that the weather information is not considered! (Step S706: No), the process proceeds to Step S708.
  • step S 708 based on the generated keyword, it is determined whether or not there is corresponding content (step S 708).
  • step S708 if it is determined in step S704 that the time information is taken into consideration, it is determined whether the corresponding content has power based on the information on the destination or the information on the route and the time information.
  • step S708 if it is determined that the weather information is considered in step S706, it is determined whether there is a corresponding content based on the destination information or route information and the weather information. To do. If it is determined that the corresponding content is “! / ⁇ ” (step S708: No), the process is terminated.
  • step S708 If it is determined that there is a corresponding content (step S708: Yes), the content determined to be applicable is acquired (step S709). Power! Then, a playback schedule list is created with the acquired content as the content to be played back (step S710), and the process ends.
  • FIG. 8 is a flowchart for explaining a processing procedure performed in content reproduction.
  • the process shown in Fig. 8 first waits until it is determined that the playback schedule list has been created. (Step S801: No). If it is determined that the reproduction schedule list has been created (step S801: Yes), it is determined whether or not the vehicle engine is running (step S802). If it is determined that the vehicle engine is not powered (step S802: No), the process ends.
  • step S803 If it is determined that the vehicle engine is powered (step S802: Yes), it is determined whether route guidance is being performed (step S803). If it is determined that the route is not being guided! / (Step S803: No), the listed content is reproduced based on the reproduction schedule list (step S804).
  • step S803 If it is determined that the route is being guided (step S803: Yes), the time for starting playback of the listed content is calculated based on the playback schedule list (step S805).
  • step S805 when playing back the content related to the destination or waypoint, the time to start playing the content is calculated in consideration of the moving situation of the vehicle so that the content is played near the destination or waypoint. To do.
  • step S806 Based on the calculated time, it waits until it is determined that it is time to reproduce the content (step S806: No). In FIG. 8, the process of step S806 is described as “reproduction start time?”. If it is determined that it is time to reproduce the content (step S806: Yes), the process proceeds to step S804, and the corresponding content is reproduced.
  • the navigation device of the present embodiment has the following when the estimated time of arrival to the destination or the time of passing through the destination deviates between when the route guidance is started and during the route guidance. Execute the process.
  • FIG. 9 is a flowchart for explaining the processing procedure performed when the reproduction schedule list is updated.
  • the process shown in FIG. 9 first waits until it is determined that there has been a change in the estimated arrival time to the destination or the estimated transit time at the waypoint (step S901: No).
  • the process of step S901 is described as “Did the arrival Z scheduled passage time change?”. [0101] If it is determined that there is a change in the estimated arrival time to the destination or the estimated transit time at the waypoint (Step S901: Yes), it is determined whether or not to consider the timing information (Step S902).
  • step S902 Yes
  • step S903 the time information is acquired (step S903). If it is determined that the time information is not considered (step S902: No), the process proceeds to step S904.
  • step S904 it is determined whether or not to consider the weather information.
  • the determination as to whether or not to consider the weather information may be made based on the setting in the reproduction condition storage unit 515, for example, as in the processing in step S605 in FIG. 6 or step S706 in FIG. If it is determined that the weather information is considered (step S904: Yes), the weather information is acquired (step S905). If it is determined that the weather information is not taken into consideration (step S 904: No), the process proceeds to step S 906.
  • step S906 it is determined whether or not the corresponding content exists.
  • step S906 if it is determined in step S902 that the time information is considered, whether there is content that includes the extracted keyword based on the destination information or route information and the time information. Judging.
  • step S906 if it is determined in step S904 that the weather information is to be considered, there is a content that includes the extracted keyword based on the destination information or route information and the weather information. Judge whether or not.
  • step S906 If it is determined in step S906 that there is no content including the extracted keyword (step S906: No), the process is terminated as it is. On the other hand, when it is determined that there is content including the extracted keyword (step S906: Yes), new content including the extracted keyword is acquired (step S907). The acquired new content is added to the playback schedule list as playback content, and the playback schedule list is updated (step S908). In FIG. 9, “reproduction schedule list creation (update)” is described as the process of step S908.
  • FIG. 10 is an explanatory diagram showing an example of the data structure of content.
  • Content 1000 is The video data 1001, audio data 1002, and incidental data 1003 are included.
  • the video data 1001 and the audio data 1002 are associated with each other so that the timing of the content 1000 matches each other.
  • the accompanying data 1003 indicates a keyword that characterizes the content 1000, the time required for playback, and the like.
  • step S608 in FIG. 6 it is determined whether or not the content 1000 includes a keyword related to the destination or the route based on the accompanying data 1003 of the plurality of contents 1000. For example, if the content 1000 is a movie or a drama, representative performers can be indicated by the accompanying data 1003.
  • EPG Electronic Program Guide
  • the power of EPG is a system that displays an EPG program guide sent using a gap in radio waves on a television screen.
  • the difference between EPG and ordinary TV programs is that the layout is performed on the receiver side.
  • the program table displayed using EPG differs depending on the TV (or TV setting) that receives the radio wave.
  • the navigation device of the present embodiment based on the generated keyword, the information power about the route to the destination searched based on the information about the destination or the map information, The determined content is played back. As a result, it is possible to reproduce content related to the destination or route without requiring the user to perform a complicated task of searching for content. In response to this, the user can, for example, further improve the way to spend at the destination and the travel time to the destination.
  • Keyword power that helps determine content When generated from information about a destination or information about a route based on information related to at least one of the date and time when the route was selected, the destination or route It is possible to play content that is related to the date and time when the route is selected.
  • the content related to the destination or route and the date and time when the route is selected can be played.
  • the user can enjoy a unique way of enjoying the season at the destination.
  • the navigation apparatus of the present embodiment it is possible to improve the entertainment property provided to the user.
  • the keyword for determining the content is generated based on the information about the weather when the route is selected, the information about the destination or the information power about the route, it is related to the destination or the route, The content related to the weather when the route is selected can be played.
  • the content is determined based on the information about the destination or the informational power about the route and the information about the weather when the route is selected, the relationship with the destination or route In addition, content related to the weather when the route is selected can be played.
  • the user can enjoy, for example, at the destination according to the weather at that time.
  • the navigation apparatus of the present embodiment it is possible to improve the entertainment property provided to the user.
  • a route to be used for route guidance as a route to be selected, information on a route that is appropriately selected according to the occurrence of traffic congestion or the like is taken into consideration, and each route is changed according to changes in road conditions. Appropriate content can be played.
  • the arrival time at the destination is significantly behind the estimated arrival time at the departure, so the weather at the arrival at the destination differs from the forecast at the departure.
  • the content reproduction method realized by the navigation device described in the present embodiment can also be realized by executing a content reproduction program prepared in advance on a computer such as a personal computer or a workstation. .
  • the content reproduction program is recorded on the HD as a recording medium, but the present invention is not limited to this.
  • the content reproduction program only needs to be recorded on a computer-readable recording medium such as a flexible disk, CD-ROM, MO, and DVD so that the computer can read the program.
  • the content reproduction program recorded on the recording medium can be executed by reading the recording medium force by the computer.
  • the content reproduction program is not limited to what is recorded on the recording medium, but may be a transmission medium that can be distributed via a network such as the Internet.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Navigation (AREA)

Abstract

La présente invention décrit un dispositif de reproduction de contenu ayant un module de recherche d’itinéraire (101) pour rechercher un itinéraire jusqu’à la destination sur la base d’informations cartographiques ; un module de création de mot de passe (102) pour créer un mot de passe sur la base des informations sur la destination ou des informations sur l’itinéraire ; un module de détermination (103) destiné à déterminer le contenu à reproduire, la détermination étant basée sur le mot de passe créé par le module de création de mot de passe (102); un module d’acquisition de contenu (104) destiné à acquérir le contenu déterminé par le module de détermination (103); et un module de reproduction (105) destiné à reproduire le contenu acquis par le module d’acquisition de contenu (104).
PCT/JP2006/301756 2005-02-03 2006-02-02 Dispositif, procede, programme de reproduction de contenu, et support d’enregistrement pouvant etre lu par ordinateur WO2006082885A1 (fr)

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JP2005028276 2005-02-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010146656A (ja) * 2008-12-19 2010-07-01 Kenwood Corp オーディオ装置、プログラム、及び楽曲転送方法

Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2003187146A (ja) * 2001-12-17 2003-07-04 Matsushita Electric Ind Co Ltd データ提供サービスシステム
JP2004212160A (ja) * 2002-12-27 2004-07-29 Matsushita Electric Ind Co Ltd 経路検索装置及び車輌内環境変化用装置
JP2006012081A (ja) * 2004-06-29 2006-01-12 Kenwood Corp コンテンツ出力装置、ナビゲーション装置、コンテンツ出力プログラム、及びコンテンツ出力方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003187146A (ja) * 2001-12-17 2003-07-04 Matsushita Electric Ind Co Ltd データ提供サービスシステム
JP2004212160A (ja) * 2002-12-27 2004-07-29 Matsushita Electric Ind Co Ltd 経路検索装置及び車輌内環境変化用装置
JP2006012081A (ja) * 2004-06-29 2006-01-12 Kenwood Corp コンテンツ出力装置、ナビゲーション装置、コンテンツ出力プログラム、及びコンテンツ出力方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010146656A (ja) * 2008-12-19 2010-07-01 Kenwood Corp オーディオ装置、プログラム、及び楽曲転送方法

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