JP2015203670A - Walking support device, walking support system, walking support method and walking support program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide smooth walking corresponding to walking speed of each person and taking into account waiting time at temporary obstructions by using safe voice instruction.SOLUTION: An ideal tempo calculation unit 89 estimates time when a user walking a selected path pass a signal i from time when a signal i-1 and the signal i turn green, where i=1,2,3,...in the order of appearing of signals on the user's selected path, positions of the signal i-1 and signal i (latitude, longitude), the user's length of stride and maximum walking speed, and calculates an ideal tempo for walking in a section between the signal i-1 and the signal i taking into consideration the signal i. Then, a sound source file for the tempo corresponding to the desired ideal tempo is selected at a sound source selection unit 85 and is reproduced by a sound source reproduction unit 87.

Description

  The present invention relates to a walking support device, a walking support system, a walking support method, and a walking support program.

  Non-Patent Documents 1 to 3 are known as walking support systems that reduce the number of times a pedestrian encounters waiting for a signal, or can reach a destination by walking at a desired time. It has been.

[Fukuoka Police, "Pedestrian priority" signal control test operation], [online], [Search April 7, 2014], Internet, <URL: www.police.pref.fukuoka.jp/fukuoka/hakata -ps / hokousya.html> [Fujisawa Kazuya, Yasumura Tsutsumi, StepNavi: Development of walking speed navigation system, IPSJ, Interaction 2012, pp.307-312, 2012], [online], [April 7, 2014 search] , Internet, <URL: http://www.interaction-Jpsj.org/archives/paper2012/data/Interaction2012/interactive/data/pdf/1EXB-29.pdf> [Saori Baba, Yoshiaki Miyashita, Walking speed navigation by two-point projection on the road surface, 20th Workshop on Interactive Systems and Software, pp.185-186, 2012], [online], [2014 April 7 search], Internet, <URL: http://www.wiss.org/WISS2012Proceedings/demo/097.pdf>

However, the technique of Non-Patent Document 1 cannot cope with individual differences in walking speed of each person. In the techniques of Non-Patent Documents 2 and 3, since a waiting time due to a temporary obstacle such as a signal is not taken into consideration, a smooth walking without waiting for a signal or the like cannot be realized. Furthermore, in the technique of Non-Patent Document 2, since it is necessary to check the screen during walking, the safety of walking cannot be ensured.
Accordingly, the present invention provides a walking support device, a walking support system, and a walking support that enable smooth walking with a safe voice instruction corresponding to the walking speed of each person and considering a waiting time at a temporary obstacle. It is an object to provide a method and a walking support program.

The present invention includes an input unit that receives input of coordinate information specifying a user's stride, a maximum walking speed, a user's current location, a destination, and a route from the current location to the destination, and the route. An obstacle information acquisition unit that acquires position information of a temporary obstacle to walking of the user and information of a time when it becomes no obstacle, and associates a file name and a sound tempo of the sound source for a plurality of sound source files Based on the stored sound source information storage unit, the current time, the time when the obstacle does not become an obstacle, the current location, the position information of the obstacle, the stride, and the maximum walking speed, the current location or the obstacle An ideal tempo calculation unit for calculating an ideal tempo in each section from one to the next obstacle, and the sound source file having a tempo corresponding to the ideal tempo in each section A walking support device comprising: a sound source selecting unit that identifies a sound source information from the sound source information storage unit; and a sound source reproducing unit that reproduces the sound source file of each ideal tempo in each section. .
According to the present invention, by walking according to the ideal tempo of the playback sound source, smooth walking with a waiting time at a temporary obstacle corresponding to the walking speed of each person can be performed with safe voice instructions. Can be possible.

In the above invention, the ideal tempo calculation unit calculates the obstacle i from the current location or the obstacle i-1 (i = 1, 2, 3,... In the order of appearance on the route) for each section. Divide the walking speed of the section i until the distance of the section i by the value obtained by subtracting the scheduled passage time of the obstacle i-1 or the current time from the time at which the obstacle i does not become the obstacle. The ideal tempo may be calculated from the calculated value.
According to the present invention, it is possible to obtain an ideal tempo that enables smooth walking in consideration of a waiting time in a section between an obstacle (current location) and the next obstacle.

In the above invention, the ideal tempo calculation unit may calculate the ideal tempo by dividing the walking speed of the section i by the stride.
According to the present invention, it is possible to obtain an ideal tempo that enables smooth walking in consideration of a waiting time in a section between an obstacle (current location) and the next obstacle.

In the present invention, the obstacle information acquisition unit may use a signal that becomes a temporary obstacle to the user's walking as a signal, and a green light time as a time when the obstacle stops.
ADVANTAGE OF THE INVENTION According to this invention, the smooth walk which considered the waiting time with a signal can be enabled.

Another aspect of the present invention includes a mobile information terminal and a mobile communication network that performs wireless communication with the mobile information terminal, and a system including the mobile information terminal and the mobile communication network includes a user's stride, and An input unit for receiving an input of coordinate information specifying a maximum walking speed, a user's current location, a destination, and a route from the current location to the destination; and a temporary obstacle in walking of the user existing in the route; An obstacle information acquisition unit that acquires position information of an object and information of a time when it becomes an obstacle, and a sound source information storage unit that stores a plurality of sound source files in association with file names and sound tempos of the sound source Based on the current time, the time at which the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed. An ideal tempo calculator that calculates an ideal tempo in each section up to the obstacle, a sound source selector that identifies the sound source file of the tempo corresponding to the ideal tempo in each section from the sound source information storage section, and each section And a sound source reproduction unit that reproduces the sound source file of each ideal tempo.
According to the present invention, by walking according to the ideal tempo of the playback sound source, smooth walking with a waiting time at a temporary obstacle corresponding to the walking speed of each person can be performed with safe voice instructions. Can be possible.

Another aspect of the present invention is an input step for receiving input of coordinate information specifying a user's stride and a maximum walking speed, and a user's current location, a destination, and a route from the current location to the destination; Obstacle information acquisition step for acquiring position information of a temporary obstacle to walking of an existing user and information on a time when the user no longer becomes an obstacle, a file name and a sound tempo of the sound source for a plurality of sound source files The current location or the obstacle based on the current information, the time when the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed An ideal tempo calculation step for calculating an ideal tempo in each section from one to the next obstacle, and the sound at the tempo corresponding to the ideal tempo in each section A sound source selection identifying a file from the sound source information storing section, wherein a walking aid wherein said sound file of each of the ideal tempo at each section comprises a sound source regeneration step to be reproduced.
According to the present invention, by walking according to the ideal tempo of the playback sound source, smooth walking with a waiting time at a temporary obstacle corresponding to the walking speed of each person can be performed with safe voice instructions. Can be possible.

Another aspect of the present invention is an input function for receiving input of coordinate information specifying a user's stride and maximum walking speed, and a user's current location, destination, and a route from the current location to the destination, Obstacle information acquisition function for acquiring position information of an obstacle that is a temporary obstacle to walking of an existing user and information of a time when it becomes no obstacle, and a file name and a sound tempo of the sound source for a plurality of sound source files The current location or the obstacle based on the sound source information storage function to be stored in association with the current time, the time when the obstacle does not become an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed An ideal tempo calculation function for calculating an ideal tempo in each section from one to the next obstacle, and the sound of the tempo corresponding to the ideal tempo in each section A walking support program for causing a computer to execute a sound source selection function for identifying a file from the sound source information storage unit and a sound source reproduction function for reproducing the sound source file of each ideal tempo in each section. is there.
According to the present invention, by walking according to the ideal tempo of the playback sound source, smooth walking with a waiting time at a temporary obstacle corresponding to the walking speed of each person can be performed with safe voice instructions. Can be possible.

  According to the present invention, the walking support device, the walking support system, and the walking support that enable smooth walking with a safe voice instruction corresponding to the walking speed of each person and considering the waiting time of a temporary obstacle. A method and a walking support program can be provided.

It is a block diagram of the whole structure of the walking assistance system in one Embodiment of this invention. It is a functional block diagram regarding the process which a control apparatus performs based on the walk assistance program in one Embodiment of this invention. It is a conceptual diagram of the user information storage part of the walking assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the personal information input function of the walking assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the input functions, such as a destination, of the walking assistance apparatus in one Embodiment of this invention. It is a map explaining a present location, a destination, a route, and the like. It is a flowchart explaining the present location information acquisition function of the walking assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the signal information acquisition function of the walk assistance apparatus in one Embodiment of this invention. It is a conceptual diagram of the signal information storage part of the walk assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the sound source tempo calculation function of the walking assistance apparatus in one Embodiment of this invention. It is a conceptual diagram of the sound source information storage part of the walk assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the ideal tempo calculation function of the walk assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the ideal tempo calculation function of the walk assistance apparatus in one Embodiment of this invention. It is a flowchart explaining the sound source selection function of the walk assistance apparatus in one Embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram of the overall configuration of the walking support system 10 of the present embodiment. The walking support system 10 includes a walking support device 20 and a mobile communication network 40 that can communicate with the network 30 such as the Internet and performs wireless communication with the walking support device 20. On the network 30, a map information server 50 and a road information server 60 are provided.

  The walking support device 20 is specifically configured by a portable information terminal device such as a smartphone or a tablet. The walking support device 20 performs various calculations and includes a control device 21 including a microcomputer that intensively controls each unit, a communication device 22 that performs wireless communication with the mobile communication network 40, and a liquid crystal that includes a touch panel. And a display device 23 for displaying an image on a panel or the like. In addition, the walking support device 20 acquires a sound output device 24 that outputs sound, an input device 25 that receives input of various information from the user, and current location information of the walking support device 20 by GPS (Global Positioning System). A GPS device 26 and a storage device 27 for storing various information are provided. The storage device 27 stores a walking support program 70 that is application software that operates on the OS (Operating System) of the walking support device 20.

FIG. 2 is a functional block diagram relating to processing executed by the control device 21 based on the walking support program 70. The control device 21 includes an input unit 80 that receives a user's predetermined input from the input device 25, a user information storage unit 81 that stores various information of the user in the storage device 27 based on the input of the input unit 80, and the like. A signal information acquisition unit (obstacle information acquisition unit) 82 that acquires information about signals on the road and a signal information storage unit 83 that stores the acquired signal information in the storage device 27 are executed. Further, the control device 21 calculates a sound source information storage unit 84 that stores various sound sources in the storage device 27, a sound source selection unit 85 that selects necessary ones from the sound sources, and a tempo of the sound source. A sound source tempo calculation unit 86 stored in the sound source information storage unit 84 and a sound source reproduction unit 87 for reproducing the sound source by the sound output device 24 are executed. Further, the control device 21 executes a terminal information acquisition unit 88 that acquires current location information of the walking support device 20 by the GPS device 26 and the like, and an ideal tempo calculation unit 89 that calculates an ideal tempo.
In the following, an example will be described in which each of the functional blocks in FIG. 2 is executed by the walking support apparatus 20 based on the walking support program 70. However, some or all of the functional blocks in FIG. It may be realized by a server, and all the functional blocks of FIG. 2 may be realized by the walking support system 10 as a whole.

Next, processing executed by the walking support device 20 based on the walking support program 70 will be described step by step.
FIG. 3 is a conceptual diagram of the user information storage unit 81 executed by the input unit 80. FIG. 4 is a flowchart for explaining the personal information input function (input function, input process). The personal information input function is performed when the user inputs on a predetermined input screen using the input device 25. That is, when the user inputs his / her stride (cm) and the maximum walking speed (m / min) on a predetermined input screen (Yes in S1), the input unit 80 stores information on the stride and the maximum walking speed as user information. This is stored in the stride length input field 92 and the maximum walking speed input field 93 of the section 81 (S2). The information on the stride and the maximum walking speed is a unique value for each user and is not frequently changed. When the walking support device 20 is used, the step length input field 92 and the maximum walking speed input field 93 A value is used. Then, when these values are input, preparation for using the walking support device 20 is completed.

  FIG. 5 is a flowchart for explaining a destination input function (input function, input process) executed by the input unit 80. The destination input function is a function for inputting and acquiring necessary information when using the walking support device 20. First, when the user performs a predetermined operation such as opening a necessary input screen (Yes in S11), the input unit 80 acquires current location information, which is information on the current location of the walking support device 20, in the terminal information acquisition unit 88. (Details will be described later) (S12). Thereby, the current location information (latitude, longitude) of the walking support device 20 can be acquired as described later. Next, the destination information (latitude and longitude) of the destination that the user wants to move on foot, the information on the route from the current location indicated by the current location information to the destination (latitude and longitude of each place in the route (in FIG. 3, When the user inputs the route information (denoted by an intersection name or the like)) and the arrival target time that is the target time to reach the destination on a predetermined input screen or the like (Yes in S13), the input unit 80 stores these pieces of information in the destination input field 94, the arrival target time input field 95, and the route input field 96 of the user information storage unit 81 (S14). In this case, a map centered on the current location of the walking support device 20 is displayed on the display device 23 based on the map data provided by the map information server 50, and the user instructs the destination by operating the touch panel on the map. As a result, it is possible to acquire the latitude and longitude information of the designated destination as the destination information. In addition, the route information may be specified by tracing the road as a route on the map displayed on the display device 23 from the current location to the destination, or may be specified by route search. .

  Next, the input unit 80 specifies a signal present in the route from the current location to the destination based on the route information (S15). This can also be obtained from the map data. In this case, it may be possible to specify not only a signal but also a crossing that temporarily inhibits the walking of the pedestrian, but in the following, it becomes a factor of temporarily inhibiting the walking of the pedestrian. A description will be given using an example of only a signal as an object. Next, the input unit 80 instructs the signal information acquisition unit 82 to acquire signal information for the specified signal (details will be described later) (S16). The input unit 80 instructs the ideal tempo calculation unit 89 to calculate the ideal tempo (details will be described later) (S17).

FIG. 6 is a map display example in the case where necessary information is input by a touch panel operation on a map displayed on the display device 23 by map data in this case. That is, on the map 200, the current location 201 indicated by the current location information is displayed, and the destination information is specified by touching the destination 202. The route information of the route 204 on the road 203 connecting the current location 201 and the destination 202 is specified by a user tracing with a finger or by searching for a route. The presence of the signal 205 is displayed at an intersection on the road 203. In S15, the presence of the signal 205 is specified.
Therefore, the coordinate information of each place on the route 204 from the current location 201 to the destination 202 is stored in the user information storage unit 81 (FIG. 3).

  FIG. 7 is a flowchart illustrating the current location information acquisition function executed by the terminal information acquisition unit 88. First, when the terminal information acquisition unit 88 receives an instruction to acquire current location information from the input unit 80 (S12 in FIG. 5) (Yes in S21), information acquired by the GPS device 26 of the walking support device 20 and other information Current location information (latitude, longitude) of the walking support device 20 is acquired from information provided by the system (such as mobile phone base station information) (S22). Note that the process of S22 does not receive an instruction (S12) for acquiring current location information from the input unit 80 (No in S21), every time the predetermined time T1 elapses by the terminal information acquisition unit 88 (Yes in S23). Executed. If there is no instruction and the predetermined time T1 has not elapsed (No in S23), the process returns to step S21. And the terminal information acquisition part 88 memorize | stores the acquired present location information in the present location column 97 of the user information storage part 81 (FIG. 3) (S24).

  FIG. 8 is a flowchart illustrating a signal information acquisition function (obstacle information acquisition function, obstacle information acquisition step) executed by the signal information acquisition unit 82. First, when the signal information acquisition unit 82 receives an instruction to acquire signal information from the input unit 80 (S16 in FIG. 5) (Yes in S31), the signal information acquisition unit 82 sends the information on the route 204 indicated by the route information from the road information server 60. Signal information about the existing signal 205 is acquired (S32). The signal information includes information on a point (latitude, longitude) where the signal 205 exists, and information on each time when the signal 205 becomes a blue signal. In the road information server 60, signal information of signals 205 in various places is accumulated. Then, the signal information acquisition unit 82 stores the acquired signal information in the signal information storage unit 83 (S33).

  FIG. 9 is a conceptual diagram of the signal information storage unit 83. That is, in the signal information storage unit 83, information on the point (latitude, longitude) where each signal 205 exists, and information on each time (green signal time) at which the signal 205 becomes a blue signal and the signal does not become an obstacle to walking. Is memorized.

  FIG. 10 is a flowchart for explaining the sound source tempo calculation function executed by the sound source tempo calculation unit 86. First, every time the predetermined time T2 elapses (Yes in S41), the sound source tempo calculation unit 86 searches for a sound source file (sound data) such as music stored in the storage device 27 of the walking support device 20, etc. It is determined whether a new sound source file has been added (S42). When a new sound source file is added (Yes in S42), the sound source tempo calculation unit 86 calculates the tempo (bpm) of the sound of the new sound source file (S43). Then, the sound source tempo calculation unit 86 stores the calculated tempo in the sound source information storage unit 84 in association with the file name that is the identifier of the sound source file (S44). When a new sound source file has not been added (No in S42), the process returns to S41.

  FIG. 11 is a conceptual diagram of the sound source information storage unit 84. That is, the sound source information storage unit 84 stores the file names and tempos of a plurality of sound source files in association with each other. Thereby, the sound source information storage function and the sound source information storage step are realized.

  12 and 13 are flowcharts for explaining an ideal tempo calculation function (ideal tempo calculation step) executed by the ideal tempo calculation unit 89. First, when there is an instruction to calculate an ideal tempo (17 in S FIG. 5) (Yes in S51), the ideal tempo calculation unit 89 obtains the maximum walking speed and current location information from the user information storage unit 81 (FIG. 3). Read (S52). Also, the ideal tempo calculation unit 89 acquires the signal information of each signal 205 on the path 204 from the signal information storage unit 83 (FIG. 9) (S53).

  Then, the ideal tempo calculation unit 89 determines whether or not the signal 205 exists on the path 204 from the current location 201 to the destination 202 based on the signal information (S54). When the signal 205 does not exist (No in S54), the ideal tempo calculation unit 89 calculates an ideal tempo that does not consider the signal 205 (S55). Here, the ideal tempo refers to music or the like that, when a sound source such as music is output by the walking support device 20 and the user walks in accordance with the tempo of the sound, makes the walking ideal for the user. It is the tempo of audio. The ideal tempo that does not consider the signal is, for example, the user's walking speed that is less than the maximum walking speed and is considered to be appropriate and has no burden on the user, considering the stride and the maximum walking speed stored in the user information storage unit 81. It is desirable to have a tempo that allows you to walk.

  If the signal 205 exists (Yes in S54), the ideal tempo calculation unit 89 sets the initial value of the variable i (i = 1, 2, 3,...) To 1 (S56). This variable i is a number in the order of appearance of the signal 205 on the route 204 from the current location 201 to the destination 202, and the previous signal 205 (or the previous signal 205 is up to the signal 205). When it does not exist, it is also the number of the route 204 (section) from the current location 201). For example, the signal 205 that first appears on the route 204 from the current location 201 to the destination 202 is i = 1, and the section on the route 204 from the current location 201 to the first signal 205 is also i = 1. Similarly, the signal 205 that appears second on the route 204 from the current location 201 to the destination 202 is i = 2, and is on the route 204 from the signal 205 that appears first to the signal 205 that appears second. The interval is also i = 2.

  Then, the ideal tempo calculation unit 89 walks on the route 204 from the current time, the green time of the signal i (= 1), the current location, the position (latitude, longitude) of the signal i (= 1), the stride, and the maximum walking speed. The estimated passage time of the user's signal i (= 1) and the ideal tempo in the section i (= 1) from the current location 201 to the signal i (= 1) are calculated in consideration of the signal i (= 1) ( A detailed calculation example will be described later) (S57).

  Next, the ideal tempo calculation unit 89 increments the variable i (S58), and determines whether or not the next signal 205 exists on the route 204 to the destination 202 based on the signal information (S59). When the next signal 205 does not exist (No in S59), the ideal tempo calculation unit 89 calculates an ideal tempo that does not consider the signal 205 (S60). The process of S60 is the same as S55 described above. In this case, the process proceeds to S62.

  On the other hand, when the next signal 205 exists (Yes in S59), the ideal tempo calculation unit 89 determines the green signal time of the signal i-1 and the signal i, the position (latitude, longitude) of the signal i-1 and the signal i, From the step length and the maximum walking speed, the estimated passage time of the signal i of the user walking on the route 204 and the ideal tempo in the section i from the signal i-1 to the signal i are calculated in consideration of the signal i (detailed) A calculation example will be described later) (S61). Then, the ideal tempo calculation unit 89 returns to S58. Thereby, the process of S61 (or S62) is performed for each section.

Next, the ideal tempo calculation unit 89 calculates the estimated arrival time at the destination 202 by the user's walk from the current time and the scheduled passage time of each signal 205 (S62). Next, the ideal tempo calculation unit 89 determines whether or not the estimated arrival time exceeds the target arrival time in the user information storage unit 81 (S63). When it exceeds (Yes in S63), the ideal tempo calculation unit 89 outputs a message so as to increase the maximum walking speed or change the target arrival time. That is, the display device 23 or the sound output device 24 outputs a message by an image or sound that increases the maximum walking speed or changes the target arrival time.
On the other hand, when the estimated arrival time is before the target arrival time (No in S63), the ideal tempo calculation unit 89 reproduces the sound source file at the ideal tempo in each section obtained in S57, S61, S55, and S60. The sound source selection unit 85 is instructed (S65).

Next, a specific calculation example in S57 and S61 will be described. The calculation method for calculating the ideal tempo is shown as follows according to the description method of C language programming (there is no semicolon or the like).
“J = 0
while (v _i > V _max ) {
j ++
v _i = L (i−1, i) / (t _{{i, j}} −t _{i−1} )
}
t _i = t _{{i, j}}
p _i = v _i / H "

Here, t ₀ : current time, t _{{i, j}} : j-th green signal time of signal i, t _i : scheduled passage time of signal i, H: stride (m), V _max : maximum walking speed (m / Min), v _i : walking speed of section i (m / min), L (i−1, i): distance from signal i-1 to signal i (m), p _i : ideal tempo of section i ( bpm).

Such equations will be described sequentially. “J = 0” means that a variable j indicating a signal is initialized. “While (X) {Y}” indicates that the process of Y is repeatedly executed while the condition X is satisfied. Therefore, “while (v _i > V _max ) {}” indicates that the inside of {} is repeated while the walking speed v _i of the section i is larger than the maximum walking speed V _max . “J ++” indicates that the variable j is incremented by one. “V _i = L (i−1, i) / (t _{{i, j}} −t _{i−1} )” is an expression for calculating the walking speed v _i of the section i. The right side of this equation shows the distance L (i-1, i) from signal i-1 to signal i (section i), and the signal i-1 from the j-th green signal time t _{{i, j}} of signal i. It is divided by a value obtained by subtracting the scheduled passage time t _{i−1} . Thus, the walking speed v _i when the signal i passes on foot at the time when the signal i changes to the green signal is obtained. However, when i = 1, L (i−1, i) is set to L (0,1) (0 in “L (0,1)” indicates the current location), and t _{i− It replaced the _1} and _{t 0.} “T _i = t _{{i, j}} ” means that the scheduled passage time t _i of the signal i matches the j-th green signal time of the signal i. “P _i = v _i / H” means that the ideal tempo p _i of the section i is a value obtained by dividing the walking speed vi of the section _i by the step length H.

  FIG. 14 is a flowchart for explaining a sound source selection function (sound source selection step) executed by the sound source selection unit 85. First, when receiving an instruction from the ideal tempo calculation unit 89 so as to reproduce the sound source file at the ideal tempo obtained as described above (Yes in S71), the sound source selection unit 85 displays the sound source information storage unit 84 (FIG. 11) is searched and a sound source file matching the ideal tempo is selected (S72). Then, the sound source selection unit 85 instructs the sound source reproduction unit 87 so that the selected sound source file can be reproduced by the walking support device 20 (S73). Thereby, the sound source selection unit 85 reproduces the sound source file having the ideal tempo obtained as described above in each section. Therefore, a sound source selection function and a sound source selection process can be realized. Specifically, since the estimated time zone where each section is likely to be walked can be found from the route information, the stride, the ideal tempo, the scheduled passage time of the signal 205, etc., the sound source file of the ideal tempo corresponding to each section can be obtained. Can be played. Alternatively, the GPS device 26 may determine which section is currently walking and reproduce the sound source file. Also, even if the user intends to walk to the ideal tempo rhythm, it is assumed that the user will not be in time for the ideal tempo. The sound source file may be changed.

  When playing a sound source file, determine the sound source file in consideration of user preferences, playback frequency, playback time, etc., or if there is a sound source file that is already playing, the sound source file will be played until the playback ends. May not be changed. If there is no appropriate sound source file corresponding to the ideal tempo, a rhythm sound having the ideal tempo may be synthesized and output.

  According to the walking support device 20 and the walking support system 10 described above, the user walks in time with the ideal tempo of the reproduction sound source, so that the walking speed of each person corresponds to the walking speed of the signal 205 or the like. Smooth walking in consideration of the waiting time can be made with safe voice instructions. That is, the user can smoothly walk on the route 204 while avoiding waiting for a signal.

10 walking support system 20 walking support device (portable information terminal)
80 Input unit 82 Signal information acquisition unit (obstacle information acquisition unit)
84 Sound source information storage unit 85 Sound source selection unit 87 Sound source reproduction unit 89 Ideal tempo calculation unit

Claims (7)

An input unit that accepts input of coordinate information specifying a user's stride and a maximum walking speed, and a user's current location, a destination, and a route from the current location to the destination;
An obstacle information acquisition unit that acquires position information of a temporary obstacle in walking of the user existing in the route, and information of a time at which the user no longer becomes an obstacle;
A sound source information storage unit that stores a file name and the sound tempo of the sound source in association with each other with respect to a plurality of sound source files;
Based on the current time, the time at which the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed, each section from the current location or the obstacle to the next obstacle An ideal tempo calculator for calculating an ideal tempo in
A sound source selection unit that identifies the sound source file of the tempo corresponding to the ideal tempo in each section from the sound source information storage unit;
A walking support device comprising: a sound source reproduction unit that reproduces the sound source file of each ideal tempo in each section.   The ideal tempo calculation unit, for each section, in the section i from the current location or the obstacle i-1 (i = 1, 2, 3,... In order of appearance on the route) to the obstacle i. The walking speed is obtained by dividing the distance of the section i by the value obtained by subtracting the scheduled passage time of the obstacle i-1 or the current time from the time at which the obstacle i does not become the obstacle. The walking support device according to claim 1, wherein the ideal tempo is calculated from the obtained value.   The walking support device according to claim 2, wherein the ideal tempo calculation unit calculates the ideal tempo by dividing the walking speed of the section i by the stride.   The said obstacle information acquisition part makes what becomes a temporary obstacle of the said user's walk as a signal, and makes the time when it becomes the said obstacle into the green light time, The one of Claims 1-3 characterized by the above-mentioned. The walking support device according to Item. A personal digital assistant,
A mobile communication network for performing wireless communication with the portable information terminal;
With
A system composed of the portable information terminal and the mobile communication network is:
An input unit that accepts input of coordinate information specifying a user's stride and a maximum walking speed, and a user's current location, a destination, and a route from the current location to the destination;
An obstacle information acquisition unit that acquires position information of a temporary obstacle in walking of the user existing in the route, and information of a time at which the user no longer becomes an obstacle;
A sound source information storage unit that stores a file name and the sound tempo of the sound source in association with each other with respect to a plurality of sound source files;
Based on the current time, the time at which the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed, each section from the current location or the obstacle to the next obstacle An ideal tempo calculator for calculating an ideal tempo in
A sound source selection unit that identifies the sound source file of the tempo corresponding to the ideal tempo in each section from the sound source information storage unit;
A walking support system comprising: a sound source reproduction unit that reproduces the sound source file of each ideal tempo in each section. An input step for receiving input of coordinate information for specifying the user's stride and the maximum walking speed, and the user's current location, destination, and a route from the current location to the destination;
Obstacle information acquisition step of acquiring position information of what becomes a temporary obstacle to the walking of the user existing in the route, and information of the time when it becomes no obstacle,
A sound source information storage step of storing a file name and the sound tempo of the sound source in association with each other with respect to a plurality of sound source files;
Based on the current time, the time at which the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed, each section from the current location or the obstacle to the next obstacle An ideal tempo calculation step for calculating an ideal tempo in
A sound source selection step of identifying the sound source file of the tempo corresponding to the ideal tempo in each section from the sound source information storage unit;
And a sound source reproduction step for reproducing the sound source file having the ideal tempo in each section. An input function that accepts input of coordinate information specifying the user's stride and maximum walking speed, and the user's current location, destination, and a route from the current location to the destination;
Obstacle information acquisition function for acquiring position information of what becomes a temporary obstacle of walking of the user existing in the route, and information of time when it becomes no obstacle,
A sound source information storage function for associating and storing file names and sound tempos of the sound sources for a plurality of sound source files;
Based on the current time, the time at which the obstacle no longer becomes an obstacle, the current location, the location information of the obstacle, the stride, and the maximum walking speed, each section from the current location or the obstacle to the next obstacle An ideal tempo calculation function to calculate the ideal tempo in
A sound source selection function for identifying the sound source file of the tempo corresponding to the ideal tempo in each section from the sound source information storage unit;
A walking support program for causing a computer to execute a sound source reproduction function for reproducing each sound source file having the ideal tempo in each section.

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