WO2013132712A1 - ナビゲーション装置 - Google Patents
ナビゲーション装置 Download PDFInfo
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- WO2013132712A1 WO2013132712A1 PCT/JP2012/081351 JP2012081351W WO2013132712A1 WO 2013132712 A1 WO2013132712 A1 WO 2013132712A1 JP 2012081351 W JP2012081351 W JP 2012081351W WO 2013132712 A1 WO2013132712 A1 WO 2013132712A1
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- 238000000034 method Methods 0.000 description 56
- 230000008569 process Effects 0.000 description 46
- 230000006870 function Effects 0.000 description 31
- 238000012545 processing Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Classifications
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- 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
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3629—Guidance using speech or audio output, e.g. text-to-speech
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/02—Methods for producing synthetic speech; Speech synthesisers
- G10L13/027—Concept to speech synthesisers; Generation of natural phrases from machine-based concepts
Definitions
- the present invention relates to a navigation apparatus that guides a user to a destination, and more particularly to a technique for controlling music reproduction and guidance voice output.
- voice output In a car navigation device having both of these functions, there is a problem in that two voices overlap when guidance information is outputted by voice simultaneously with music playback. Note that voice information such as guidance information or music output from the navigation device is collectively referred to as “voice output”.
- Patent Document 1 discloses a technique for guiding road traffic information at an interlude portion of a song. More specifically, the guidance information is reproduced at the interlude part (part other than the vocal) of the song, and if it is the timing to reproduce the vocal part at the time of returning to the song, it returns to the beginning of the vocal part and is reproduced.
- Patent Document 2 discloses a technique for controlling music playback by presuming a point at which traffic information is received in advance and changing the order of the playlist so that the music ends by then.
- the audio output when the audio output is duplicated, it takes time for the audio output previously output, and when the remaining audio output is output, the information becomes unnecessary. For example, it is not taken into account that, for example, postponed voice output becomes unnecessary due to elapse of time or movement of the vehicle.
- This invention has been made to solve the above-mentioned problems, and even when a plurality of audio outputs are duplicated, the priority order of each audio output is managed, so that unnecessary audio output is not performed. It is an object of the present invention to provide a navigation device that can control the reproduction.
- the present invention provides a priority database that stores voice output priorities, a priority holding unit that acquires and manages voice output priorities from the priority database, and one voice output. Based on the next voice output state storage unit that stores the next voice output as the next voice output and the storage state of the next voice output in the next voice output state storage unit and the current navigation information.
- next audio output state determination unit for determining whether or not to output the next audio output stored in the next audio output state storage unit, and when a plurality of audio output reproduction requests are duplicated, from the priority order holding unit
- the low-priority audio output is stored in the next audio output state storage unit as the next audio output, and when one audio output is completed, the next audio output status
- an output determination unit which determines the audio output to play according determination in determination section.
- a navigation device capable of managing the priority of each audio output and controlling the reproduction so that unnecessary audio output is not performed even when a plurality of audio outputs overlap.
- step ST203 which implement
- FIG. 1 is a block diagram showing a configuration of a navigation apparatus according to Embodiment 1 of the present invention.
- a car navigation device mounted on a vehicle will be described as an example of the navigation device.
- a case will be described in which only the audio output for starting the next output is stored in the next audio output state storage unit 18 (details will be described later).
- the navigation device includes a GPS (Global Positioning System) receiver 1, a vehicle speed sensor 2, a direction sensor 3, a vehicle position / direction calculation unit 4, a map database 5, an input operation unit 6, a music information database 7, a navigation control unit 9, and an output unit 10. It has. In order to avoid complication of the drawing, some of the lines (lines indicating the flow of signals or data) connecting the blocks are omitted.
- GPS Global Positioning System
- the GPS receiver 1 measures the vehicle position by receiving radio waves from a plurality of GPS satellites.
- the vehicle position measured by the GPS receiver 1 is sent to the vehicle position / azimuth calculation unit 4 as a vehicle position signal.
- the vehicle speed sensor 2 sequentially measures the speed of the host vehicle.
- the vehicle speed sensor 2 is generally composed of a sensor that measures the rotational speed of a tire.
- the speed of the host vehicle measured by the vehicle speed sensor 2 is sent to the vehicle position / azimuth calculation unit 4 as a vehicle speed signal.
- the direction sensor 3 sequentially measures the traveling direction of the own vehicle.
- the traveling direction of the host vehicle (hereinafter simply referred to as “direction”) measured by the direction sensor 3 is sent to the vehicle position / direction calculation unit 4 as a direction signal.
- the vehicle position / orientation calculation unit 4 measures the current position and direction of the vehicle from the vehicle position signal sent from the GPS receiver 1.
- the number of GPS satellites that can receive radio waves becomes zero or less, and the reception state is deteriorated.
- autonomous using the vehicle speed signal from the vehicle speed sensor 2 and the direction signal from the direction sensor 3 The own vehicle position is measured using navigation, and a process for supplementing the measurement by the GPS receiver 1 is executed.
- the current position and direction of the host vehicle measured by the vehicle position and direction calculation unit 4 are caused by deterioration in measurement accuracy due to deterioration in the reception state of the GPS receiver 1, change in diameter due to tire wear, and temperature change. It includes various errors such as an error in vehicle speed or an error caused by the accuracy of the sensor itself. Therefore, the vehicle position / orientation calculation unit 4 performs map matching using the road data acquired from the map data read from the map database 5 with respect to the current position and direction of the vehicle including the error obtained by the measurement. Correct it. The corrected current position and direction of the own vehicle are sent to the navigation control unit 9 as own vehicle position and direction data.
- the map database 5 holds road data such as road location, road type (highway, toll road, general road, narrow street, etc.), road regulations (speed limit or one-way street, etc.) or lane information near intersections.
- Information on roads and information on guidance objects such as position information, names, and genres of guidance objects are stored.
- the position of the road is represented by a plurality of nodes and links connecting the nodes with straight lines, and is expressed by recording the latitude and longitude of this node. For example, when three or more links are connected to a certain node, it indicates that a plurality of roads intersect at the position of the node.
- the contents held in the map database 5 are read by the navigation control unit 9 in addition to being read by the vehicle position / azimuth calculation unit 4 as described above.
- the input operation unit 6 includes at least one of a remote controller, a touch panel, a voice recognition device, and the like.
- a driver or a passenger as a user inputs a destination by an operation or is provided by a navigation device. Used to select information.
- Data generated by the operation of the input operation unit 6 is sent to the navigation control unit 9 as operation data.
- the music information database 7 stores music information composed of data describing music.
- the music information stored in the music information database 7 is read by the audio playback unit 14 of the navigation control unit 9.
- the music information database 7 is a storage medium such as a CD, SD (Secure Digital Memory) or USB (Universal Serial Bus) memory inserted by the user into the navigation device, and music information is read and stored from this storage medium.
- a HDD (Hard Disk Drive) in the navigation device, a storage existing outside the navigation device capable of acquiring music information through the Internet, or the like can be used.
- As the music information not only information stored in a storage medium such as a CD but also stream information such as radio can be used.
- the navigation control unit 9 (1) Calculation of the guide route to the destination input from the input operation unit 6, (2) Generation of guidance information according to the guidance route and the current position and direction of the vehicle, (3) A function for displaying a map around the vehicle, such as generation of a guide map that combines a map around the vehicle location and a vehicle mark indicating the vehicle position, (4) Data processing to provide functions for guiding the vehicle to the destination, (5) Traffic information related to own vehicle position, destination or guidance route, (6) Search for information such as sightseeing spots, restaurants or retail stores, (7) Data processing such as searching for facilities that match the conditions input from the input operation unit 6; And so on.
- the navigation control unit 9 (8) A function for guiding the vehicle to the destination using voice information, (9) A function in which information such as congestion information or dangerous points around the vehicle or route is stored in advance, or a function that is acquired from outside the navigation device via an antenna or the Internet and is guided by voice, (10) It has at least one of functions for reproducing music information recorded on a radio, CD, SD, or the like. Details of the navigation control unit 9 will be described later.
- the output unit 10 is composed of, for example, an LCD (Liquid Crystal Display), and displays a map, an operation menu, and the like on the screen according to display data sent from the navigation control unit 9. Further, music or route guidance is output from the speaker in accordance with the guidance information or audio information sent from the navigation control unit 9.
- LCD Liquid Crystal Display
- the navigation control unit 9 includes a destination setting unit 11, a route calculation unit 12, a guidance information reproduction unit 13, an audio reproduction unit 14, an output determination unit 15, a priority order holding unit 16, a priority order database 17, and a next voice output state storage unit. 18 and a next audio output state determination unit 19.
- the destination setting unit 11 sets a destination according to the operation data sent from the input operation unit 6.
- the destination set by the destination setting unit 11 is sent to the route calculation unit 12 as destination data.
- the route calculation unit 12 uses the destination data sent from the destination setting unit 11, the vehicle position / direction data sent from the vehicle position / direction calculation unit 4, and the map data read from the map database 5. Calculate the guidance route to the destination.
- the guidance route calculated by the route calculation unit 12 is sent to the guidance information reproduction unit 13 as guidance route data.
- the guidance information reproduction unit 13 reproduces the guidance information using the guidance route data sent from the route calculation unit 12 and the map data read from the map database 5.
- the guidance information includes route guidance information to the destination, information on surrounding facilities on the current location or route, traffic congestion or traffic information obtained from the outside, and the like.
- the guidance information reproduced by the guidance information reproducing unit 13 is sent to the output determining unit 15.
- the audio reproduction unit 14 reproduces music based on the operation data sent from the input operation unit 6 and the music information read from the music information database 7.
- the music reproduced by the audio reproducing unit 14 is sent to the output determining unit 15 as audio information.
- the priority holding unit 16 refers to the priority database 17 and manages the priority between the guidance information and the audio information, in other words, the priority between the audio outputs.
- the priority order database 17 stores at least the priority order of audio outputs. Note that the priority database 17 can include information indicating whether or not a voice output with a low priority is stored as the next voice output.
- FIG. 2 shows an example of the priority order database 17 including the priority order and information indicating whether or not the voice output with the lower priority order is stored as the next voice output.
- the audio output A is always prioritized
- the audio outputs B and C are prioritized for later playback
- the audio outputs C and D are set to the same priority.
- the priority is the same audio output ( ⁇ ), the first (Old) giving priority to the old (originally reproduced) audio output, and the next win giving priority to the new audio output (New). ) And the same priority (Same), but priority can be used according to playback time, such as giving priority to audio output with a short playback time. In this case, more detailed behavior can be set.
- -Voice output 1 Route guidance-Voice output 2: Phone call / priority order: Phone call> Route guidance
- incoming call is selected as voice output
- route guidance is stored as the next voice output.
- the priority order database 17 does not necessarily exist in the navigation device.
- the priority order database 17 exists in a server outside the navigation device, and can be configured to acquire data from the server via the Internet.
- the next audio output state storage unit 18 receives the reproduction request from the output determination unit 15 and stores the next audio output. Further, when the next voice output state storage unit 18 receives an inquiry about the next voice output from the output determination unit 15, the next voice output state storage unit 18 returns data indicating the stored next voice output. In the simplest method, the next audio output can be stored in the order in which the audio output requests are received, as shown in FIG.
- next sound output state storage unit 18 stores the next sound output that has been stored when the next sound output that is the same as the already stored next sound output is newly stored. You can delete the output and store it avoiding duplication.
- next audio output state storage unit 18 includes not only the type of audio output as the next audio output, but also the content of the audio output or the position where playback is started (for example, the position at which 10 seconds of the second song of the CD has passed), Can be remembered.
- the next sound output state determination unit 19 is based on the storage state of the next sound output acquired from the next sound output state storage unit 18 via the output determination unit 15 and the current navigation information (more specifically, the next sound output state And the current navigation information) to determine whether or not to output the audio output stored in the next audio output state storage unit 18.
- Information indicating the determination result in the next audio output state determination unit 19 is acquired by the output determination unit 15.
- current navigation information information that can be obtained by the navigation device at the time of determining whether or not to output audio output can be used.
- the output determination unit 15 has two functions.
- the first function is a function for receiving the guidance information sent from the guidance information reproducing unit 13 and the audio information sent from the audio reproducing unit 14 and determining which one is reproduced as an audio output.
- the second function is a function for returning to the previously reproduced audio output when the reproduction of one audio output is completed.
- the process for realizing the first function will be described with reference to the flowchart shown in FIG. In the following description, it is assumed that the audio output currently being reproduced is A, and the audio output for which a new reproduction request has been made is B.
- the output determination unit 15 starts processing when a reproduction request is received from the guidance information reproduction unit 13 or the audio reproduction unit 14.
- step ST101 it is checked whether or not there is an audio output being reproduced. That is, the output determination unit 15 checks whether or not the audio output is currently being reproduced. If it is determined in step ST101 that there is an audio output currently being reproduced, for example, audio output A is being reproduced, then priority is acquired (step ST102). That is, the output determination unit 15 acquires the priority order of the audio output A and the audio output B from the priority order holding unit 16.
- the priority order is checked (step ST103). That is, the output determination unit 15 refers to the priority order obtained from the priority order holding unit 16 and gives priority to the audio output A being played back, the priority order is the same, or gives priority to the new audio output B. Find out.
- step ST104 reproduction of the audio output being reproduced is continued (step ST104). That is, the output determination unit 15 continues to reproduce the audio output A that was originally reproduced.
- step ST105 it is checked whether or not to store the next audio output. That is, the output determination unit 15 examines the data acquired in step ST102 and determines whether to store the next audio output.
- step ST105 If it is determined in step ST105 that the next audio output is stored, the audio output that has received the reproduction request is stored as the next audio output (step ST106). That is, the output determination unit 15 stores the audio output B in the next audio output state storage unit 18 as the next audio output. Thereafter, the process ends. On the other hand, if it is determined in step ST105 that the next audio output is not stored, the process in step ST106 is skipped and the process ends.
- step ST107 If it is determined in step ST103 that the priorities are the same, both are played back (step ST107). That is, since the priority order of the audio output A and the audio output B is the same, the output determination unit 15 mixes and reproduces the audio output A and the audio output B at the same time. Thereafter, the process ends.
- step ST108 If it is determined in step ST103 that priority is given to the new audio output, the newly requested audio output is then reproduced (step ST108). That is, the output determination unit 15 stops the reproduction of the audio output A that was originally reproduced, and reproduces the newly requested audio output B.
- step ST109 it is checked whether or not to store the next audio output. That is, the output determination unit 15 examines the data acquired in step ST102 and determines whether to store the next audio output.
- step ST109 If it is determined in step ST109 that the next audio output is stored, the audio output that has received the reproduction request is stored as the next audio output (step ST110). That is, the output determination unit 15 stores the audio output A in the next audio output state storage unit 18 as the next audio output. Thereafter, the process ends. On the other hand, if it is determined in step ST105 that the next audio output is not stored, the process in step ST110 is skipped, and the process ends.
- step ST101 If it is determined in step ST101 that there is no audio output currently being reproduced, that is, there is no audio output A, the newly requested audio output is then reproduced (step ST111). That is, the output determination unit 15 reproduces the newly requested audio output B. Thereafter, the process ends.
- step ST107 when it is determined that the priority order of the audio output A and the audio output B is the same, in step ST107, the audio output A and the audio output B are simultaneously reproduced.
- the playback method when the ranks are the same may be other than simultaneous playback. For example, “prioritize audio output that is already playing”, “prioritize newly requested audio output”, “priority audio output that finishes playing in a short time”, or “system developer or user It is also possible to change the behavior according to the playback order, playback time, or system settings, such as “according to a preset order”.
- the audio output playback method may be changed according to the playback order or system settings such as increasing the volume of the audio output that is already being played back.
- step ST201 the next audio output is acquired. That is, the output determination unit 15 tries to acquire the next audio output from the next audio output state storage unit 18. Next, it is checked whether there is a next audio output (step ST202). That is, the output determination unit 15 checks whether or not the next audio output has been acquired in step ST201, in other words, whether or not the next audio output exists in the next audio output state storage unit 18. If it is determined in step ST202 that there is no next audio output, the process ends.
- step ST203 the output determination unit 15 determines whether or not to output the next audio output acquired in step ST201 based on the information indicating the determination result acquired from the next audio output state determination unit 19. Details of the process in step ST203 will be described later. If it is determined in step ST203 that the next audio output is to be output, the acquired audio output is reproduced (step ST204). That is, the output determination unit 15 reproduces the next audio output acquired in step ST201. Next, the next audio output is updated (step ST206). That is, the output determination unit 15 updates the contents of the next audio output state storage unit 18.
- an update message is sent from the output determination unit 15 to the next audio output state storage unit 18, and the next audio output state storage unit 18 acquires the next audio output stored (that is, acquired in step ST201, and the step (Sound output reproduced in ST204) is discarded.
- step ST205 If it is determined in step ST203 that the next audio output is not output, then the acquired audio output is discarded (step ST205). That is, the output determination unit 15 discards the next audio output acquired in step ST201. Then, it progresses to step ST206 and the next audio
- next sound output state storage unit 18 stores the next sound output in the format shown in FIG. 3B, only the newest next sound output is discarded, and the other next sound outputs are stored. Carried forward.
- the next voice output state determination unit 19 receives the next voice output acquired in step ST201 of FIG. 5 from the output determination unit 15, compares the received next voice output with the current navigation information, and outputs the next voice output. Judge whether to output or not.
- step ST203 An example of the process performed in step ST203 will be described with reference to the flowchart shown in FIG. Here, the terms used below are defined.
- the term “saved” refers to information included in the next sound output stored in the next sound output state storage unit 18.
- present refers to information included in the navigation information at the time when step ST203 is executed.
- step ST501 it is checked whether or not the stored next audio output includes a point. That is, the next voice output state determination unit 19 checks the contents of the stored next voice output, and if a word representing a place such as “XX intersection” is found, determines that it is a point. If it is determined in step ST501 that the stored next sound output does not include a point, it is determined that the stored next sound output is “output” (step ST507), and the process ends.
- step ST501 if it is determined in step ST501 that the stored next audio output includes a point, the position of the point is calculated (step ST502). That is, the next voice output state determination unit 19 acquires the latitude and longitude of the point from the map database 5.
- step ST503 the current guidance route is calculated (step ST503). That is, when the navigation control unit 9 has a function of performing route guidance, the next voice output state determination unit 19 acquires a guidance route used for the function from the route calculation unit 12.
- a straight line connecting the current location and the destination set separately can be used as the guidance route.
- step ST504 the position of the point calculated in step ST502 and the distance of the guide route calculated in step ST503 are calculated (step ST504). That is, the distance between the target point and the guide route is calculated.
- a straight line can be drawn from the target point to a representative point of the guidance route (such as a start point, an end point, or an intersection on the guidance route), and the length of the shortest straight line can be used as the distance.
- the length of the perpendicular drawn from the target point to the guidance route can also be used as the distance.
- step ST505 it is examined whether or not the distance calculated in step ST504 is a certain value or more (step ST505). That is, the next sound output state determination unit 19 compares the distance calculated in step ST504 with a predetermined distance threshold.
- the threshold value can be determined in advance by the designer or user of the navigation device, for example, 50 m, each of latitude and longitude being one second. If it is determined in step ST505 that the distance is greater than or equal to a certain value, it is determined that the stored next audio output is “not output” (step ST506), and the process ends.
- step ST505 determines whether the distance is less than the predetermined value. If it is determined in step ST505 that the distance is less than the predetermined value, the process proceeds to step ST507 described above, and the stored next audio output is determined to be “output”, and the process is terminated.
- the audio information and the guidance information are managed without distinction by the priority database 17 and are reproduced in consideration of the priority. To decide. Further, by storing in sequence the processes after the end of one audio output, it is possible to reproduce the audio output in the desired order even when three or more audio outputs are duplicated. Furthermore, unnecessary audio output can be suppressed by the next audio output state determination unit 19 determining whether or not to output the next audio output. As a result, for example, while performing high-priority audio output, it is possible to suppress low-priority audio output in a situation in which low-priority audio output has passed the intersection that was the guidance target. It is done.
- Embodiment 2 in addition to the next voice output, navigation information is stored in the next voice output state storage unit 18, and the next voice output state determination unit 19 uses this navigation information to output the next voice output. Judge whether. Since the basic operation of the second embodiment is the same as that of the first embodiment, the following description will focus on differences from the first embodiment.
- the configuration of the navigation device according to the second embodiment is the same as the configuration of the navigation device according to the first embodiment shown in the block diagram of FIG.
- the next audio output state storage unit 18 is different from that of the first embodiment in the type of information stored. That is, the information stored in response to the request from the output determination unit 15 is the next voice output and navigation information.
- the navigation information includes information held by the navigation device such as time, vehicle position, guidance route, guidance point (such as the next intersection) or destination.
- the output determination unit 15 (A) In the process shown in FIG. 4, when the next voice output is stored in the next voice output state storage unit 18, navigation information is also stored. (B) The process shown in FIG. 5 differs from the first embodiment in that navigation information is also acquired when the next audio output is acquired from the next audio output state storage unit 18.
- next audio output state determination unit 19 and the process of step ST203 shown in the flowchart of FIG. 5 are different from those of the first embodiment in that navigation information is used.
- an example of processing will be described using the flowcharts shown in FIGS. 7 to 10 instead of the flowchart shown in FIG. Note that the processing shown in the flowcharts of FIGS. 7 to 10 can be individually performed as the processing of step ST203, but two or more of the processings shown in the flowcharts of FIGS. You can also.
- the term “saved” refers to information included in the next voice output and navigation information saved in the next voice output state storage unit 18.
- the term “current” refers to information included in the navigation information at the time when step ST203 is executed.
- FIG. 7 is a flowchart showing an example of using time as navigation information.
- the time is assumed to be obtained from a clock mechanism (not shown).
- an elapsed time from the saved time to the current time is calculated (step ST301). That is, the next sound output state determination unit 19 obtains a difference by subtracting the time stored in the next sound output state storage unit 18 from the current time acquired from the clock mechanism, and uses the obtained difference as the elapsed time. To do.
- the threshold value can be determined in advance by the designer or user of the navigation device, for example, 100 seconds, 10 minutes. If it is determined in step ST302 that the elapsed time calculated in step ST301 is equal to or greater than a certain value, it is determined that the stored next audio output is “not output” (step ST303), and the process ends. .
- step ST302 determines whether the elapsed time calculated in step ST301 is less than a certain value. If it is determined in step ST302 that the elapsed time calculated in step ST301 is less than a certain value, it is determined to “output” the stored next audio output (step ST304), and the processing is performed. finish.
- FIG. 8 is a flowchart showing an example of using the vehicle position as navigation information.
- a moving distance from the stored vehicle position to the current vehicle position is calculated (step ST401). That is, the next voice output state determination unit 19 calculates a difference (straight line distance) by subtracting the latitude and longitude stored in the next voice output state storage unit 18 from the current latitude and longitude, and calculates the difference as a moving distance.
- the navigation control unit 9 has a function of performing route guidance, a guidance route along the road from the stored vehicle position to the current vehicle position is set, and the length of the guidance route is set as the movement distance. be able to.
- step ST402 it is checked whether or not the movement distance calculated in step ST401 is a certain value or more (step ST402). That is, the next audio output state determination unit 19 compares the movement distance calculated in step ST401 with a predetermined movement distance threshold.
- the threshold value can be determined in advance by the designer or user of the navigation device, for example, 50 m, each of latitude and longitude being one second.
- step ST403 when it is determined that the movement distance calculated in step ST401 is equal to or greater than a certain value, it is determined that the stored next audio output is “not output” (step ST403), and the process ends. .
- step ST402 determines whether the movement distance calculated in step ST401 is less than a certain value. If it is determined in step ST402 that the movement distance calculated in step ST401 is less than a certain value, it is determined to “output” the stored next audio output (step ST404), and the process is as follows. finish.
- FIG. 9 is a flowchart showing an example of using a guidance point as navigation information.
- the distance between the stored guidance point and the current guidance point is calculated (step ST601). That is, the next audio output state determination unit 19 calculates the straight line distance between the points by using the latitude and longitude of the two points to obtain the distance. If the navigation control unit 9 has a route guidance function, a guidance route along the road from the saved vehicle position to the current vehicle position is set, and the length of the guidance route is the distance. Can do.
- it is checked whether or not the distance calculated in step ST601 is a certain value or more (step ST602). That is, the next sound output state determination unit 19 compares the distance calculated in step ST601 with a predetermined distance threshold.
- the threshold value can be determined in advance by the designer or user of the navigation device, for example, 50 m, each of latitude and longitude being one second. If it is determined in step ST602 that the distance calculated in step ST601 is greater than or equal to a certain value, it is determined that the stored next audio output is “not output” (step ST603), and the process ends.
- step ST602 if it is determined in step ST602 that the distance calculated in step ST601 is less than a certain value, it is determined to “output” the stored next audio output (step ST604), and the process ends. .
- the guidance point is used as the navigation information. However, the guidance point or the destination may be used as the navigation information.
- FIG. 10 is a flowchart showing another example of using the vehicle position as navigation information.
- a guidance route connecting the stored vehicle position and the current vehicle position is calculated (step ST701). That is, if the navigation control unit 9 has a route guidance function, the next voice output state determination unit 19 uses the route information stored in the navigation control unit 9 to obtain a guidance route along the road from the current vehicle position. Set. If the route guidance function is not provided, a straight line connecting the current location and the destination (set separately) can be used as the guidance route. Next, the distance between the stored vehicle position and the guidance route is calculated (step ST702).
- the next voice output state determination unit 19 calculates the distance between the vehicle position stored in the next voice output state storage unit 18 and the guidance route calculated in step ST701.
- a straight line is drawn from the stored vehicle position to the representative point (start point, end point, intersection on the route, etc.) of the guidance route calculated in step ST701, and the length of the shortest straight line is taken as the distance. Can do.
- the length of the perpendicular drawn from the stored vehicle position with respect to the guidance route calculated in step ST701 can be used as the distance.
- the next sound output state determination unit 19 compares the distance calculated in step ST702 with a predetermined distance threshold.
- the threshold value can be determined in advance by the designer or user of the navigation device, for example, 50 m, each of latitude and longitude being one second. If it is determined in step ST703 that the distance is greater than or equal to the threshold, it is determined that the stored next audio output is “output” (step ST704), and the process ends.
- step ST703 determines whether the distance is less than the threshold. If it is determined in step ST703 that the distance is less than the threshold, it is determined that the stored next audio output is “not output” (step ST705), and the process is terminated.
- the audio information and the guidance information are managed without distinction by the priority database 17, and the information to be reproduced in consideration of the priority. To decide. Further, by storing in sequence the processes after the end of one audio output, it is possible to reproduce the audio output in the desired order even when three or more audio outputs are duplicated. Further, navigation information is stored in the next voice output state storage unit 18 together with the next voice output, and is stored when the next voice output state determination unit 19 determines whether or not to output the next voice output. By using the navigation information that has been used as a criterion for judgment, it is possible to suppress the output of unnecessary audio output more accurately.
- step ST109 of FIG. 4 it is determined whether or not to store the low-priority audio output in the next audio output state storage unit 18, but this process is eliminated. Thus, all the audio outputs with low priority may be stored in the next audio output state storage unit 18.
- any component of the embodiment can be modified or any component of the embodiment can be omitted within the scope of the invention.
- the priority order of each sound output can be managed and the reproduction thereof can be controlled. Therefore, for example, in a navigation system that outputs a plurality of kinds of sounds such as a car navigation system. Is preferred.
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Abstract
Description
(1)残っている案内情報を1つずつ順に出力した後に元の音楽の再生状態に戻る、
(2)残っている案内情報の出力は行わずに元の音楽の再生状態に戻る、
などの方法が考えられる。これらの処理は、同時に出力する案内情報の種類に応じて異ならしめる必要があるが、先行技術文献に開示された技術では、この点が考慮されていない。
実施の形態1.
図1は、この発明の実施の形態1に係るナビゲーション装置の構成を示すブロック図である。なお、以下では、ナビゲーション装置の一例として、車両に搭載されるカーナビゲーション装置を例に挙げて説明する。また、実施の形態1では、次音声出力状態記憶部18(詳細は後述する)で、次に出力を開始する音声出力のみを記憶する場合について説明する。
(1)入力操作部6から入力された目的地までの誘導経路の計算、
(2)誘導経路と自車の現在位置および方位とに応じた案内情報の生成、
(3)自車位置周辺の地図と自車位置を示す自車マークを合成した案内図の生成などといった自車周辺の地図を表示する機能、
(4)自車を目的地に誘導するための機能などを提供するためのデータ処理、
(5)自車位置、目的地または誘導経路に関連する交通情報、
(6)観光地、飲食店または物販店などの情報の検索、
(7)入力操作部6から入力された条件にマッチした施設の検索といったデータ処理、
などのうちの1つ以上の機能を有する。
(8)音声情報を用いて自車を目的地まで誘導する機能、
(9)自車または経路周辺の渋滞情報または危険地点などの情報をあらかじめ蓄積しておいたデータベース、または、アンテナまたはインターネットなどを経由してナビゲーション装置の外部から取得して音声で案内する機能、
(10)ラジオ、CDまたはSDなどに記録された楽曲情報を再生する機能のうちの少なくとも1つを有する。このナビゲーション制御部9の詳細は後述する。
・音声出力1:経路誘導
・音声出力2:電話着信
・優先順位 :電話着信>経路誘導
ここで、経路誘導中に電話着信が発生した場合を考えると、以下の動作となる。すなわち、
・電話着信の優先順位が高いため、音声出力としては、電話着信が選択され、経路誘導は次音声出力として記憶される。
・電話着信が終了した後に、次音声出力として記憶されている経路誘導に復帰する。
実施の形態2では、次音声出力に加えて、ナビゲーション情報を次音声出力状態記憶部18に記憶し、次音声出力状態判断部19において、このナビゲーション情報を用いて、次音声出力を出力するかどうかを判断する。実施の形態2の基本的な動作は、実施の形態1と同様であるため、以下では実施の形態1と相違する点を中心に説明する。
(A)図4に示す処理において、次音声出力を次音声出力状態記憶部18に記憶させる時に、ナビゲーション情報も記憶させる点、
(B)図5に示す処理において、次音声出力状態記憶部18から次音声出力を取得する時に、ナビゲーション情報も取得する点
が実施の形態1と異なる。
Claims (8)
- 音声出力の優先順位を記憶する優先順位データベースと、
前記優先順位データベースから音声出力の優先順位を取得して管理する優先順位保持部と、
1つの音声出力が終了した際に次に開始する音声出力を次音声出力として記憶しておく次音声出力状態記憶部と、
前記次音声出力状態記憶部における次音声出力の記憶状態と現在のナビゲーション情報とに基づき、該次音声出力状態記憶部に記憶されている次音声出力を出力するか否かを判断する次音声出力状態判断部と、
複数の音声出力の再生要求が重複した際に、前記優先順位保持部から取得した優先順位の高い音声出力を出力し、優先順位の低い音声出力を次音声出力として前記次音声出力状態記憶部に記憶し、1つの音声出力が終了した際に、前記次音声出力状態判断部における判断にしたがって再生する音声出力を決定する出力決定部
とを備えたナビゲーション装置。 - 優先順位データベースは、音声出力同士の優先順位と、優先順位の低い音声出力を次音声出力状態記憶部に記憶するかどうかを示す情報を保持する
ことを特徴とする請求項1記載のナビゲーション装置。 - 優先順位データベースに保持される音声出力同士の優先順位は、古い音声出力を優先、新しい音声出力を優先、同一、または、音声再生時間の短い音声出力を優先、の少なくとも1つを含む
ことを特徴とする請求項2記載のナビゲーション装置。 - 次音声出力状態記憶部は、次音声出力に加えてナビゲーション情報を記憶し、
次音声出力状態判断部は、前記次音声出力状態記憶部に記憶されているナビゲーション情報と現在のナビゲーション情報とを比較することにより、該次音声出力状態記憶部に記憶されている音声出力を出力するか否かを判断する
ことを特徴とする請求項1記載のナビゲーション装置。 - 次音声出力状態記憶部は、ナビゲーション情報として、該ナビゲーション情報が記憶された時刻を記憶し、
次音声出力状態判断部は、前記次音声出力状態記憶部に記憶されている時刻と現在の時刻との差である経過時間に応じて、該次音声出力状態記憶部に記憶されている音声出力を出力するか否かを判断する
ことを特徴とする請求項4記載のナビゲーション装置。 - 次音声出力状態記憶部は、ナビゲーション情報として、該ナビゲーション情報が記憶された時の車両位置を記憶し、
次音声出力状態判断部は、前記次音声出力状態記憶部に記憶されている車両位置と現在の車両位置との差である移動距離に応じて、該次音声出力状態記憶部に記憶されている音声出力を出力するか否かを判断する
ことを特徴とする請求項4記載のナビゲーション装置。 - 次音声出力状態記憶部は、ナビゲーション情報として、該ナビゲーション情報を記憶した時の誘導地点または目的地を記憶し、
次音声出力状態判断部は、前記次音声出力状態記憶部に記憶されている誘導地点または目的地から現在の誘導地点までの距離に応じて、該次音声出力状態記憶部に記憶されている音声出力を出力するか否かを判断する
ことを特徴とする請求項4記載のナビゲーション装置。 - 次音声出力状態記憶部は、ナビゲーション情報として、該ナビゲーション情報が記憶された時の車両位置を記憶し、
次音声出力状態判断部は、前記次音声出力状態記憶部に記憶されている車両位置と現在の車両位置とを結ぶ誘導経路と、前記次音声出力状態記憶部に記憶されている車両位置の差である距離に応じて、該次音声出力状態記憶部に記憶されている音声出力を出力するか否かを判断する
ことを特徴とする請求項4記載のナビゲーション装置。
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JP2014503423A JP5774195B2 (ja) | 2012-03-07 | 2012-12-04 | ナビゲーション装置 |
CN201280071183.5A CN104246435B (zh) | 2012-03-07 | 2012-12-04 | 导航装置 |
DE112012006804.1T DE112012006804T5 (de) | 2012-03-07 | 2012-12-04 | Navigationsvorrichtung |
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JP2012-050478 | 2012-03-07 | ||
JP2012050478 | 2012-03-07 |
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JP (1) | JP5774195B2 (ja) |
CN (1) | CN104246435B (ja) |
DE (1) | DE112012006804T5 (ja) |
WO (1) | WO2013132712A1 (ja) |
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JPWO2013132712A1 (ja) | 2015-07-30 |
DE112012006804T5 (de) | 2015-07-02 |
US9291473B2 (en) | 2016-03-22 |
JP5774195B2 (ja) | 2015-09-09 |
CN104246435A (zh) | 2014-12-24 |
CN104246435B (zh) | 2016-12-28 |
US20150032364A1 (en) | 2015-01-29 |
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