JP2010135012A - Music player, music playing control method, and music playing program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To satisfy the need to want to play a desired part of music at desired timing. <P>SOLUTION: At least one of current time becoming playing start time obtained by subtracting playing required time from a music head to a middle part SP from scheduled reaching time to reach a target place, and reaching of a vehicle 1 to a playing start place corresponding to the playing start time is set as a reproduction start condition. By starting music playing when the playing start condition is satisfied, the middle part SP of the music is played when the vehicle 1 arrives at the target place. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a music playback device, a music playback control method, and a music playback program for playing back music on a mobile object.

2. Description of the Related Art Generally, in a moving body such as a vehicle, a music playback device for playing back music written on a storage medium such as a CD (Compact Disk) or a HDD (Hard Disk Drive) so that a passenger can enjoy the path. Is installed. Conventionally, there is a technique for operating such an on-board music reproducing device in cooperation with a navigation function (see, for example, Patent Document 1). In this prior art, when a vehicle approaches a destination set in the navigation function, music associated with the destination is automatically played.
JP 2001-354071 A

  When playing a song in association with a destination as described above, the passenger generally uses a destination such as a song whose tune matches the scenery of the destination or a song that includes predetermined lyrics related to the area. It may be possible to play a piece of music that is related to something. In addition, for example, there is a case where music is played with a specific purpose, for example, when a passenger wants to listen to a specific music while traveling at a specific destination. In such a case, the passenger may want to reproduce a desired part in the song such as a climax part that is most exciting in the song or a part that includes predetermined lyrics while passing through the destination. Many. In other words, it is not sufficient that the music is simply played back, and there is a need to play back a desired part of the music at a desired timing. However, according to the music reproducing device as described in Patent Document 1, since the music is reproduced from the beginning of the song when the vehicle approaches the destination, depending on the traffic situation or the like, The desired part is not always regenerated, and the above-mentioned needs cannot always be satisfied.

  The problem to be solved by the present invention includes the above-described problem as an example.

  In order to solve the above-mentioned problem, the invention described in claim 1 is a music playback device for playing back music on a mobile object, a point indicating a destination of the mobile object (hereinafter referred to as a destination point), and Acquisition means for acquiring a scheduled arrival time to reach the destination point, music selection means for selecting music to be played in association with the destination point, and a predetermined part in the selected music (hereinafter, part in the song) A playback start condition for starting playback of the music is set on the basis of the part in the music specifying means for specifying the music, the estimated arrival time, and the time required for playback from the beginning of the music to the site in the music A reproduction start condition setting unit that performs determination, a determination unit that determines whether or not the reproduction start condition is satisfied, and a music reproduction unit that starts reproduction of the music when it is determined that the reproduction start condition is satisfied. Equipped with a.

  In order to solve the above-mentioned problem, the invention described in claim 14 is a music reproduction control method for controlling reproduction of music, a point indicating a destination of movement of the mobile body (hereinafter referred to as a destination point), and movement An acquisition step of acquiring a scheduled arrival time to reach the destination point, a music selection step of selecting a song to be played in association with the destination point, a predetermined part in the selected music piece (hereinafter referred to as a part in the song) A playback start condition for starting playback of the music is set on the basis of the part in the music specifying process, the estimated time of arrival, and the time required for playback from the beginning of the music to the middle of the music. A reproduction start condition setting step, a determination step for determining whether or not the reproduction start condition is satisfied, and a music reproduction control step for starting reproduction of the music piece when it is determined that the reproduction start condition is satisfied; , A.

  In order to solve the above-mentioned problem, the invention according to claim 15 is an acquisition step of acquiring a point indicating the destination of the moving body (hereinafter referred to as a destination point), and a scheduled arrival time to reach the destination point; , A music selection step for selecting music to be played in association with the destination point, a mid-music part specifying step for specifying a predetermined part in the selected music (hereinafter referred to as a mid-music part), and the movement A reproduction start condition setting step for setting a reproduction start condition for starting reproduction of the music based on a scheduled arrival time for the body to reach the destination and a required reproduction time from the beginning of the music to the part in the music A music reproduction process including: a determination step for determining whether or not the reproduction start condition is satisfied; and a music reproduction control step for starting reproduction of the music piece when it is determined that the reproduction start condition is satisfied. System To perform the method to a computer.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram illustrating a hardware configuration example of a music reproducing device 100 according to the present embodiment.

  The music reproducing device 100 is mounted on a vehicle 1 as a moving body. The music reproducing apparatus 100 is based on the detection result of the current location detection sensor 22 together with a music reproducing function for reproducing a music written in a storage medium 16 such as a CD (Compact Disk), an HDD (Hard Disk Drive), or a flash memory. It has a navigation function for detecting the current location and searching for a route from the current location to the set destination or waypoint. In the following embodiment, the music playback device 100 is described as being mounted on the vehicle 1 as a moving body. However, for example, the music playback device 100 is a portable terminal device, and a pedestrian as a mobile body. It can also be applied as a gripped object.

  In the example shown in FIG. 1, the music reproducing device 100 includes a storage device 18, a computing device 20, a display control circuit 14, and an interface 6, which are connected by a bus 12. Therefore, the arithmetic unit 20 is configured to exchange data with the storage device 18, the interface 6, and the display control circuit 14.

  A display 15 is connected to the music playback device 100. In addition, the current position detection sensor 22, the speaker 18, and the touch panel 21 are connected to the music reproducing device 100 via the interface 6. The display 15 and the current location detection sensor 22 may be configured as a part of the music playback device 100. For example, when there is video information related to a song, as a specific example, when video information indicating promotion of a song is stored in the storage medium 16 in association with the song, the video information is displayed along with the reproduction of the song. It is reproduced and displayed on the display 15.

  Examples of the current location detection sensor 22 include at least one of the acceleration sensor 5, the gyro sensor 2, the vehicle speed pulse detector 3, the GPS (Global Positioning System) 4, and the geomagnetic sensor 11, or any combination thereof. .

  The acceleration sensor 5 has a function of detecting at least one of the acceleration and the tilt angle of the vehicle 1, for example. The gyro sensor 2 has a function of detecting the moving direction of the vehicle 1, for example. The gyro sensor 2 is a kind of angular velocity sensor that outputs angular velocity data accompanying a change in the direction of the vehicle 1. The gyro sensor 2 may measure the tilt angle instead of the acceleration sensor 5.

  The vehicle speed pulse detector 3 has a function of detecting, for example, the movement amount and acceleration of the vehicle 1. The vehicle speed pulse detector 3 detects whether the vehicle 1 is moving or stopped and outputs the detected state. The vehicle speed pulse detector 3 has a function of outputting travel state data relating to the travel speed and travel distance of the vehicle 1 when the vehicle 1 is moving. The GPS 4 has a function of receiving and calculating radio waves from a plurality of GPS satellites and performing positioning. For example, the GPS 4 generates positioning data of any one of latitude, longitude, altitude, and traveling direction, or any combination thereof.

  Specifically, the GPS 4 has a function of, for example, measuring pseudo distances to four satellites observed at the same time and positioning the current location based on a difference in pseudo distances to these four satellites. The geomagnetic sensor 11 is a kind of azimuth detecting device that detects an angle representing the absolute azimuth of a vehicle based on geomagnetism. Examples of such an angle include an azimuth angle.

  The storage device 18 includes a ROM 8, a RAM 9, and a storage medium 16. The ROM 8 is an information storage medium in which various processing programs described later and other necessary information are written in advance. The RAM 9 is an information storage medium on which information necessary for executing the various programs is written and read. The RAM 9 is a memory capable of storing programs, tables, and data described later in a volatile manner. As described above, the storage medium 16 is an information storage medium such as a CD, an HDD, or a flash memory. This storage medium 16 stores music data and map data in a rewritable manner.

  The arithmetic unit 20 includes a CPU 7 and a graphic controller 13. The CPU 7 has a function of performing various calculations and controls according to the various programs. The graphic controller 13 has a function of acquiring image data from a video RAM (not shown) or the like under the control of the CPU 7 and causing the display control circuit 14 to display an image based on the image data on the display 15.

  Specifically, the graphic controller 13 displays, for example, a song name / lyrics based on the music data or an electronic map based on the map data on the display 15 under the control of the CPU 7, or on the electronic map itself. For example, a mark indicating the position (current location) of the vehicle is superimposed and mapped and displayed. Further, it has a function of displaying the title of music or the like to be reproduced at the location on the electronic map at the location of the destination or waypoint.

  The speaker 18 has a function of outputting the music sound reproduced under the control of the CPU 7. The touch panel 21 is a transparent switch provided along the surface of the display area of the display 15, for example. The touch panel 21 is configured such that, for example, when there is a contact by a driver or a passenger in accordance with a display object in the display area of the display 15, a switch at the contact location is turned on.

  FIG. 2 is a functional block diagram showing a configuration example of software or the like that operates in the music playback device 100 shown in FIG. Note that the software shown in FIG. 2 is an example of a program and data whose operation is controlled by the CPU 7. Hereinafter, a configuration example of software will be described with reference to FIG.

  The music playback device 100 includes an acquisition unit 30, a music tone information acquisition unit 34, a music selection unit 35, a mid-song part specifying unit 36, a playback start condition setting unit 37, a determination unit 38, a music playback unit 39, a map database MD, and a music database SD. Have The acquisition unit 30 (corresponding to an acquisition unit) includes a current location detection unit 31, a route search unit 32, and a scheduled arrival time calculation unit 33. Note that the map data and the music data constituting the map database MD and the music database SD are respectively stored in the storage medium 16 as described above. The music database SD also includes music tone data corresponding to each music data in addition to the music data. That is, the music database SD is a database in which the music tone is detected in advance for all music data using a known music tone detection technique and the music tone data is associated with the music data. Note that at least one of the map database MD and the music database SD may be configured in a server or the like outside the vehicle, and data may be acquired from these databases via wireless communication or the like. Further, the acquisition unit 30 does not have the current location detection unit 31, the route search unit 32, and the estimated arrival time calculation unit 33, but has the same function as each of the current location detection unit 31, the route search unit 32, and the estimated arrival time calculation unit 33. Information obtained by other functions having these functions (such as the current location of the vehicle 1 and the route to the destination point, which will be described later, the estimated arrival time until reaching the destination point, etc.) may be acquired. .

  The current location detection unit 31 of the acquisition unit 30 detects the current location of the vehicle 1 based on the detection result of the current location detection sensor 22. The route search unit 32 of the acquisition unit 30 searches for a route from the current location detected by the current location detection unit 31 to the destination (corresponding to the destination point) set by the passenger based on the map data of the map database MD. To do. The estimated arrival time calculation unit 33 of the acquisition unit 30 calculates the estimated arrival time (time) for reaching the destination via the route searched by the route search unit 32. Thereby, the acquisition unit 30 acquires the current location of the vehicle 1, the route from the current location to the destination, and the estimated arrival time to reach the destination via the route. Note that not only the destination but also a stopover point on the route may be used as a destination point, and the route to the stopover point and the arrival time to reach the stopover point via the route may be acquired.

  The music tone information acquisition unit 34 (corresponding to music tone information acquisition means) acquires the music tone information of each music from the music database SD. The music selection unit 35 (corresponding to music selection means) selects music to be played in association with the set destination or waypoint based on the music tone information acquired by the music tone information acquisition unit 34. For example, if a leisure destination such as the sea or mountains is set as a destination or waypoint, select a song with a bright tone, or select a jazz tone if it is a night time drive . Instead of automatically selecting the music in this way, the passenger may select the music manually by using the touch panel 21, for example.

  The in-music part specifying unit 36 (corresponding to the in-music part specifying means) is based on the music tone acquired by the music tone information acquisition unit 34, and a predetermined part SP (hereinafter referred to as music) in the music selected by the music selection unit 35. (Referred to as middle part SP). Examples of the in-music part SP include a climax part that rises most in the music, an A melody and a B melody part in which the tune changes, and the like. In addition, for example, a passenger may be able to set an arbitrary in-song part SP such as a part including specific lyrics.

  The reproduction start condition setting unit 37 (corresponding to the reproduction start condition setting means) detects the time required for reproduction from the beginning of the song to the middle part SP of the music based on the result of the middle part SP being identified by the middle part specifying unit 36. Then, based on the estimated arrival time calculated by the estimated arrival time calculating unit 33 and the required reproduction time from the beginning of the song to the middle part SP of the song, a reproduction start condition for starting the reproduction of the song is set. As the reproduction start condition, at least one of the reproduction start time obtained by subtracting the reproduction required time from the estimated arrival time and the reproduction start point of the vehicle 1 corresponding to the reproduction start time is set.

  The determination unit 38 (corresponding to a determination unit) determines whether or not the reproduction start condition set by the reproduction start condition setting unit 37 is satisfied. Specifically, when the playback start time is set as a playback start condition, it is determined whether or not the current time has reached the playback start time based on current time information acquired from a clock means (not shown). . If the reproduction start point is set as a reproduction start condition, it is determined whether or not the current location of the vehicle 1 has reached the reproduction start point. The music playback unit 39 (corresponding to music playback means) starts playback of the music selected by the music selection unit 35 when the determination unit 38 determines that the playback start condition is satisfied.

  Next, an example of a music playback control method by the music playback device 100 which is an example of the configuration as described above will be described. This music reproduction control method is constituted by steps executed by the music reproduction program (corresponding to a mobile music reproduction program) in the CPU 7, and includes the following music reproduction processing.

  FIG. 3 is a flowchart showing an example of the procedure of the music reproduction process. This music reproduction process includes a procedure realized by the music reproduction program operating under the control of the CPU 7.

  First, in step S5, a passenger of the vehicle 1 sets a desired destination or waypoint by operating the touch panel 21, for example.

  Next, in step S <b> 10, the current location detection unit 31 of the acquisition unit 30 detects the current location of the vehicle 1 based on the detection result of the current location detection sensor 22.

  Next, in step S15, from the current location detected by the current location detection unit 31 in step S10 described above to the destination or waypoint set by the passenger in step S5 described above by the route search unit 32 of the acquisition unit 30. The route is searched based on the map data of the map database MD.

  Next, in step S20, the estimated arrival time (estimated arrival time (step S15) of the acquisition unit 30 via the route searched by the route search unit 32 in step S15 described above reaches the set destination or waypoint ( Time).

  Next, in step S25, based on the music tone information of the music acquired by the music selection unit 35 by the music selection unit 35, the music to be played in association with the set destination or waypoint is stored in the music data of the music database SD. Select a song from the inside. As described above, the passenger may be able to select music by manual operation.

  Next, in step S30, the in-music part SP in the music selected by the music selection part 35 in step S25 described above based on the music tone information acquired by the in-music part specifying unit 36 by the in-music part specifying unit 36. Identify. Thereby, for example, the rust portion of the music, the A melody, the B melody portion, and the like are specified as the in-music portion SP. In this case, the rust portion may be specified uniformly. For example, a plurality of tune change portions (rust, A melody, B melody, etc.) present in one song are displayed in a list, and the passenger It may be possible to select from among them. Furthermore, as described above, for example, a passenger may be able to set an arbitrary song portion SP such as a portion including specific lyrics.

  Next, in step S35, the reproduction required time from the beginning of the music to the in-music part SP based on the in-music part SP specified by the in-music part specifying part 36 in step S30 described above by the reproduction start condition setting unit 37. Is detected.

  Next, in step S40, the reproduction start condition setting unit 37 reproduces the estimated arrival time calculated by the estimated arrival time calculation unit 33 in step S20 described above, and the reproduction from the beginning of the song detected in step S35 described above to the middle part SP of the song. Based on the required time, a playback start condition for starting playback of the music is set. As described above, at least one of the reproduction start time obtained by subtracting the required reproduction time from the estimated arrival time and the reproduction start point of the vehicle 1 corresponding to the reproduction start time is set as the reproduction start condition. .

  Next, in step S45, route guidance to the destination or waypoint is started based on the route searched by the route search unit 32 in step S15 described above. At this time, together with the map data for route guidance, the reproduction start condition set by the reproduction start condition setting unit 37 in step S40 described above is displayed on the display 15 such as “what hour and how many minutes (corresponding to the reproduction start time) "Please pass the location (corresponding to the playback start point)".

  Next, in step S50, the determination unit 38 determines whether the reproduction start condition set in step S40 described above is satisfied. Specifically, as described above, when the playback start time is set as the playback start condition, it is determined whether or not the current time acquired from the time measuring means (not shown) has reached the playback start time. When the reproduction start point is set as the reproduction start condition, it is determined whether or not the current position of the vehicle 1 detected by the current position detection unit 31 has reached the reproduction start point. This determination is repeated until the reproduction start condition is satisfied, and when the reproduction start condition is satisfied, the next step S55 is executed. Each of the reproduction start time and the reproduction start point is reproduced according to the changed estimated arrival time when the estimated arrival time at the destination point changes due to traffic conditions such as occurrence of traffic congestion. Change the start time and playback start point. That is, the reproduction start time obtained by subtracting the reproduction required time from the changed estimated arrival time or the reproduction start point of the vehicle 1 corresponding to the reproduction start time is set again. By the way, this setting is made each time the estimated arrival time changes.

  In step S55, the music playback unit 39 starts playback of the music selected by the music selection unit 35 in step S25 described above. Although not described in the above-described flowchart, if a reroute event such as the vehicle 1 leaving the route occurs during route guidance, the process returns to step S10 and the same procedure is repeated again.

As a specific operation example of the music playback device 100 by performing the music playback processing as described above, the following case is given as an example.
For example, when a theme park is set as a destination, when the rust portion of the theme song of the theme park is played when arriving at the theme park, or a restaurant is set as a destination for eating, For example, the chorus part of the music used in the commercial of the restaurant is played when it arrives at the restaurant.

  As described above, the music playback device 100 in the above embodiment is a music playback device 100 that plays back music on the vehicle 1 (corresponding to a moving object), and is a destination or waypoint (corresponding to a destination point) of the vehicle 1. ) And an acquisition unit 30 (equivalent to an acquisition unit) that acquires a scheduled arrival time to reach the destination or waypoint, and a music selection unit 35 (music selection unit) that selects a piece of music to be played in association with the destination or waypoint ), A song portion specifying unit 36 (corresponding to the song portion specifying means) for specifying a predetermined portion SP (corresponding to the song portion) in the selected song, an estimated arrival time, A reproduction start condition setting unit 37 (corresponding to reproduction start condition setting means) for setting a reproduction start condition for starting reproduction of the music based on a reproduction required time from the beginning of the music to the part SP in the music, and a reproduction start condition Whether or not Includes a determination unit 38 (corresponding to the determining means), when it is determined that the reproduction start condition is satisfied, the musical piece reproducing unit 39 to start playing of the music (corresponding to the music reproducing unit), a.

  In the music reproduction control method in the above embodiment, the destinations and waypoints (corresponding to the destination point) of the vehicle 1 and the scheduled arrival time to reach the destination and waypoints are acquired in steps S5 to S20 (in the acquisition step). Equivalent), step S25 (corresponding to the music selection process) for selecting a piece of music to be played back in association with the destination or waypoint, and a predetermined part SP in the selected piece of music (hereinafter referred to as part SP in the piece of music). Based on step S30 (corresponding to the in-music part specifying step), the estimated arrival time, and the required reproduction time from the beginning of the music to the in-music part SP, a playback start condition for starting playback of the music is set Step S40 (corresponding to the reproduction start condition setting step), step S50 (corresponding to the determination step) for determining whether or not the reproduction start condition is satisfied, and determining that the reproduction start condition is satisfied. When the has, step S55 to start the reproduction of the music (corresponding to the music reproduction control step), the.

  The music reproduction program in the above embodiment acquires steps S5 to S20 (corresponding to an acquisition step) for acquiring the destination and waypoint of the vehicle 1 (corresponding to the destination point) and the estimated arrival time to reach the destination and waypoint. ), Step S25 (corresponding to the music selection step) for selecting a music piece to be reproduced in association with the destination or waypoint, and a predetermined part SP in the selected music piece (hereinafter referred to as the in-song part SP). Based on the step S30 (corresponding to the in-song part specifying step) to be specified, the estimated arrival time, and the required playback time from the beginning of the song to the in-song part SP in the music, a playback start condition for starting playback of the music is set. Step S40 (corresponding to the reproduction start condition setting step), step S50 (corresponding to the determination step) for determining whether or not the reproduction start condition is satisfied, and determination that the reproduction start condition is satisfied If it, is made to execute step S55 for starting the reproduction of music (corresponding to music reproduction control step), to the computer.

  In this way, the current time becomes the playback start time obtained by subtracting the playback time required from the beginning of the song to the middle part SP in the song from the estimated arrival time until reaching the destination point, and the playback At least one of the fact that the vehicle 1 has reached the reproduction start point corresponding to the start time is set as a reproduction start condition, and the reproduction of the music is started when the reproduction start condition is satisfied. When it reaches, it is possible to reproduce the portion SP in the song. As a result, it is possible to satisfy the need to reproduce a desired part in a song at a desired timing.

  In the music playback device 100 in the above embodiment, the acquisition unit 30 includes the current location of the vehicle 1, the route from the current location to the destination or waypoint, and the estimated arrival time to reach the destination or waypoint via the route. And get. In this way, the current location can be detected first, the route from the current location to the destination or waypoint can be searched, and the estimated arrival time until reaching the destination or waypoint via the route can be obtained. , You can get a more accurate estimated arrival time.

  In the music playback device 100 in the above embodiment, the destination point is the destination or waypoint of the vehicle 1. In this way, not only the destination but also the waypoints along the way to the destination can be played back, for example, the optimal part of the song corresponding to the waypoints, so the convenience can be improved. For example, the best performance while moving to the destination can be performed several times.

  In the music playback device 100 in the above embodiment, the playback start condition setting unit 37 sets the playback start time obtained by subtracting the required playback time from the scheduled arrival time as the playback start condition, and the determination unit 38 plays back the current time. It is determined whether or not the start time is reached. In this way, if the reproduction of the music is started at the time when the current time becomes the reproduction start time, the reproduction of the predetermined part SP of the music is started when the required reproduction time has elapsed from the reproduction start time. It is possible to perform the performance of music reproduction at a point where the vehicle 1 reaches a destination or waypoint, for example, a situation that is optimal for starting reproduction of the predetermined part SP.

  In the music playback device 100 in the above embodiment, the playback start condition setting unit 37 sets a playback start point corresponding to the playback start time obtained by subtracting the required playback time from the scheduled arrival time as the playback start condition, and the determination unit 38. Determines whether the current location of the vehicle 1 has reached the reproduction start point. In this way, for example, if the reproduction start point is displayed on a map and taught to the passenger, the performance of music reproduction for the passenger can be further improved.

  The music playback device 100 in the above embodiment includes a music tone information acquisition unit 34 (corresponding to a music tone information acquisition unit) that acquires music tone information of the music, and the in-music part specifying unit 36 includes the music tone information of the acquired music. Based on this, a predetermined part SP in the music is specified. In this way, for example, the climax part that rises most in the music, the A melody or B melody part in which the melody changes, etc. are specified as the predetermined part SP and reproduced when the vehicle 1 reaches the destination or waypoint Can do.

  The music playback device 100 according to the embodiment includes a music tone information acquisition unit 34 that acquires music tone information of music, and the music selection unit 35 selects music based on the acquired music tone information. In this way, for example, if a destination related to leisure such as the sea or mountain is set as the destination, a song with a bright tone is selected, or if it is a night time drive, a jazz tone song is selected. It is possible to select. In this way, even if the passenger does not bother to perform the music selection operation, the music selection is automatically performed based on the tone of the music, so the troublesome operation can be reduced and the convenience of the passenger can be improved. .

  In addition, this embodiment is not restricted above, A various deformation | transformation is possible within the range which does not deviate from the meaning and technical idea. Hereinafter, such modifications will be described in order. In the following, the same configurations and procedures as those of the above-described embodiment will be described using the same reference numerals as those in FIGS. 1 to 3 and the description thereof will be omitted as appropriate, with a focus on differences from the above-described embodiment.

(1) When selecting a song and specifying the part in the song based on the history information In this modification, the passenger plays a song, the vehicle 1 travel history, the song selection history, and the part specification history The history information such as, etc. is used to select a music piece and specify a part in the music piece.

  FIG. 4 is a functional block diagram illustrating a configuration example of software or the like that operates in the music playback device 100 of the present modification. In the example shown in FIG. 4, the music playback device 100 has a history database LD (corresponding to history information storage means) that stores history information instead of the music tone information acquisition unit 34. The history database LD is at least one of specific history information indicating a specific history of the in-music part SP by the in-music part specifying unit 36, reproduction history information of the music, movement history information of the vehicle 1 and selection history information of the music. History information including is stored. These pieces of history information are also stored in the storage medium 16 in the same manner as the map data and music data constituting the database of the map database MD and music database SD described above. The history database LD may be configured in a server or the like outside the vehicle, and the history information may be acquired via wireless communication or the like.

  In the present modification, the music selection unit 35 selects music to be played in association with the destination based on the history information stored in the history database LD. As a result, when the history information includes the reproduction history information and the selection history information, the music that has been played many times or the music that has been manually selected by the passenger is selected based on the history information. be able to. For example, when the history information includes reproduction history information or selection history information and movement history information, the number of times of reproduction or selection in the destination or waypoint in the past based on the history information is the largest. You can select a song.

  The in-music part specifying unit 36 specifies the in-music part SP in the music based on the history information stored in the history database LD. Thereby, when specific historical information is contained in historical information, based on the historical information, for example, a part SP in a song having a large number of specified times can be specified.

  The music reproduction process in the present modification is the same as the flowchart shown in FIG. In this case, in step S25, the music selection unit 35 selects music based on the history information accumulated in the history database LD. In step S30, the in-music part specifying unit 36 specifies the in-music part SP in the music based on the history information stored in the history database LD.

  The music reproducing device 100 according to the above modification includes a history database LD (corresponding to history information storage means) that stores history information including identification history information of the in-music part by the in-music part specifying unit 36, 36 specifies the part SP in the music in the music based on the accumulated history information. If it does in this way, based on specific history information, for example, site | part SP in a music with many specified frequency | counts can be specified. Thereby, the site | part in a music matched with a passenger | crew's preference can be specified automatically.

  The music reproducing device 100 according to the modification includes a history database LD that accumulates history information including at least one of music reproduction history information, movement history information of a moving body, and music selection history information of the vehicle 1. The music selection unit 35 selects music to be played back in association with the destination point based on the accumulated history information. In this way, for example, based on the reproduction history information and selection history information, it is possible to select a song that has been played many times, for example, a song that has been manually selected by the passenger. Further, for example, based on the reproduction history information or selection history information and the movement history information, it is possible to select a song that has been most frequently reproduced or manually selected at the destination in the past. Thereby, the music which matched user's preference can be selected automatically.

(2) When music is played even at a passing point on the way to the destination In this modification, at least one passing point suitable for playing a music that exists in the route is automatically extracted. Is also configured to reproduce a desired in-music portion.

  FIG. 5 is a functional block diagram illustrating a configuration example of software or the like that operates in the music playback device 100 of the present modification. In the example shown in FIG. 5, the music playback device 100 has a passing point extraction unit 42, and the acquisition unit 30 has a region information acquisition unit 41. In this modification, the map database MD has area information in each area in addition to the map data. Examples of the area information include landscape information, sightseeing information, store information, and the like in the area.

  The area information acquisition unit 41 of the acquisition unit 30 acquires area information around the route searched by the route search unit 32 from the map database MD. As a result, the acquisition unit 30 acquires area information around the route. Further, the passing point extraction unit 42 (corresponding to the passing point extraction unit) is suitable for playing music that exists in the route searched by the route search unit 32 based on the region information acquired by the region information acquisition unit 41. At least one passing point is extracted. For example, spots with good scenery, tourist attractions, areas with famous stores, etc. are extracted. Instead of automatically extracting the passing point in this way, the passenger may be able to specify the passing point by manual operation, for example, by using the touch panel 21 or the like.

  In this modification, the same processing as that for the destination described above is performed for each extracted passing point. That is, the estimated arrival time calculation unit 33 of the acquisition unit 30 calculates the estimated arrival time until each passage point is reached, and the music selection unit 35 selects a piece of music to be reproduced in association with each passage point. The in-music part specifying unit 36 specifies the in-song part SP in each piece of music selected by the music selection unit 35 based on the music tone acquired by the music tone information acquisition unit 34, and the reproduction start condition setting unit 37. Sets a reproduction start condition for starting the reproduction of music based on the estimated arrival time and the required reproduction time. Then, the determination unit 38 determines whether or not the reproduction start condition set by the reproduction start condition setting unit 37 is satisfied. When the reproduction start condition is satisfied, the music selection unit 35 starts reproducing the music.

FIG. 6 is a flowchart showing a procedure example of the music reproduction process of the present modification.
Steps S5 to S15 are the same as those in FIG.

  Next, in step S17, the area information acquisition unit 41 of the acquisition unit 30 acquires area information around the route searched by the route search unit 32 in step S15 from the map database MD.

  Next, in step S18, the passage point extraction unit 42 reproduces music existing in the route searched by the route search unit 32 based on the region information acquired by the region information acquisition unit 41 in step S17 described above. At least one passage point suitable for the above is extracted. As described above, the passenger may be able to specify the passing point by manual operation. In this case, for example, the region information acquired by the region information acquisition unit 41 in step S17 described above may be displayed on the display 15 so that the passenger can be specified while referring to the displayed region information.

  Subsequent steps S20 to S55 are the same as those in FIG. Although not shown in the example shown in FIG. 6 because it is complicated, steps S20 to S40, and steps S50 and S55 are respectively executed for the set destination and the extracted all passing points. Is done. That is, the reproduction start condition is set for the set destination and all the passing points extracted, and the music is reproduced every time the reproduction start condition is satisfied.

  FIG. 7 is a diagram for explaining a specific operation example of the music playback device 100 by performing the music playback processing as described above. In the example shown in FIG. 7, a rainbow bridge is included in the searched route R from the current location to the destination. Based on the area information acquired by the passing point extraction unit 42, the spectacular view point in the rainbow bridge is displayed. A certain central portion is extracted as a passing point PA suitable for reproducing music. The estimated arrival time of the passing point PA is calculated as 20:23. In this example, a rust portion is specified as the portion SP in the tune of the selected music piece, and the time required for reproduction from the beginning of the tune portion is 1 minute. Therefore, 20:22 obtained by subtracting one minute of the required playback time from the scheduled arrival time 20:23 is set as the playback start time as the playback start condition for the passing point PA.

  As a result, as shown in FIG. 7, when the current time reaches 20:22, the music starts to be played, and the vehicle 1 reaches the passing point PA, which is a superb view point in the rainbow bridge, and rusts at 20:23. The part will be played. As a result, the passenger of the vehicle 1 can listen to the climax part that is most exciting in the music while enjoying the superb view from the rainbow bridge.

  As described above, the reproduction start point CA corresponding to the reproduction start time 20:22 may be set as the reproduction start condition. In this case, when the current location of the vehicle 1 detected by the current location detection unit 31 passes the reproduction start point CA, the reproduction of the music is started. Further, both the reproduction start time and the reproduction start point may be set as reproduction start conditions, and the reproduction of music may be started when both conditions are satisfied.

  In the above description, an example in which a rainbow bridge is extracted as a passing point PA has been described. However, when a rainbow bridge is set as a destination or a waypoint, music reproduction is performed in the same manner. Further, a plurality of passage points PA may be extracted instead of one. For example, if route R includes a route that passes through the vicinity of Tokyo Tower, and there are multiple points in the route where Tokyo Tower can be seen beautifully, these points will be extracted as multiple passing points PA, respectively. An example is given as an example. Further, the passing point PA is not limited to the pin point as described above, but may be extracted as a region having a certain distance. For example, when traveling on a skyline with good scenery, the entire skyline is extracted as the passing point PA, and the selected music piece is repeatedly traveled while traveling on the skyline.

  Further, as the passing point PA, not only a point with a good scenery as described above but also a point where a store or the like related to the purpose exists may be extracted. For example, when the destination is the sea, a point where a surf shop exists is extracted, or a point where a stylish cafe exists during a drive date is taken as an example. Furthermore, the passing point PA may be extracted based on geographical conditions. For example, when the destination is a ski resort, points that pass through a tunnel and become a snow scene, points that go down a highway, and the like are extracted as examples.

  The music reproducing device 100 according to the modified example described above includes a passing point extracting unit 42 (passing point extracting unit) that extracts at least one passing point suitable for playing a music other than the destination and the waypoint existing in the route. The acquisition unit 30 acquires a scheduled arrival time until the passage point is reached via the route, and the music selection unit 35 selects a piece of music to be reproduced in association with the passage point.

  In this way, at least one passing point suitable for playing music other than the destination and waypoints existing in the route from the current location to the destination can be obtained by simply specifying the destination. More automatically extracted. And the site | part in a music in the music selected every time the vehicle 1 arrives at a passage point can each be reproduced | regenerated. As a result, it is possible to satisfy the need to reproduce a desired part in a song at a desired timing. In addition, since a point suitable for music reproduction is automatically extracted even if the passenger does not specify the passing point, the troublesome operation can be reduced and the convenience of the user can be improved.

  In the music reproducing device 100 in the above modification, the acquisition unit 30 further acquires area information around the route, and the passage point extraction unit 42 extracts a passage point from the route based on the acquired region information. In this way, if the area information includes, for example, landscape information, sightseeing information, store information, etc., if there are spots with good scenery, tourist attractions, famous stores, etc. on the route to the destination, It is automatically extracted as a passing point, and when the vehicle 1 passes through the passing point, it is possible to reproduce music that matches the scenery, music that is related to the tourist attraction or store, and the like.

(3) When expanding or contracting the music being played when the estimated arrival time changes When the estimated arrival time changes due to, for example, traffic conditions or the occurrence of a reroute event after starting playback of the music, It is good also as a structure provided with the music reproduction | regeneration control means which changes the reproduction speed of the music in reproduction | regeneration according to the change time. In addition to changing the playback speed, for example, insert a sound effect such as a connecting piece or a part thereof, a matching hand such as a DJ, etc. to the music being played back, The music may be shortened by extending the music by repeating the site or by thinning out the music being played back as appropriate. Further, when the scheduled arrival time becomes later than the initial scheduled arrival time after starting the reproduction of the music, the reproduction of the music is in a paused state so that the in-music part SP is reproduced at the delayed estimated arrival time. You may make it do. Note that, for example, when the above-mentioned adjustment of the reproduction time is not in time, such as when an accident occurs, the reproduction of the music may be continued without performing the music reproduction control by the music generation control means.

  The music playback device 100 according to the above-described modified example is a music playback control unit that changes the playback speed of the music according to the change time when the scheduled arrival time changes after the music playback unit 39 starts playing the music. Is provided. In this way, after the start of the music playback, for example, when a traffic jam or a reroute event occurs and the estimated arrival time is delayed, by slowing down the music playback speed, the vehicle 1 reaches the destination as scheduled. It is possible to reproduce a desired in-music part SP. In addition, for example, when the moving speed of the vehicle 1 is increased and the estimated arrival time is advanced after the reproduction of the music is started, by increasing the reproduction speed of the music, the vehicle 1 reaches the destination as scheduled. It becomes possible to reproduce a desired in-music part SP. By doing in this way, even when the scheduled arrival time changes after the reproduction of music is started, it can be flexibly dealt with.

  In the music playback device 100 in the above-described modification, the music playback control means, when the scheduled arrival time is later than the initial scheduled time after the music playback unit 39 starts playing the music, the delayed scheduled arrival time. The reproduction of the music is paused so that the in-music part SP is reproduced. If it does in this way, it will become possible to reproduce | regenerate desired site | part SP in a music, when the vehicle 1 arrives at the destination as planned by adjusting a temporary stop time suitably. By doing in this way, even when the scheduled arrival time changes after the reproduction of music is started, it can be flexibly dealt with.

(4) Others In the above description, the case where the passenger sets the destination has been described. However, even if the destination is not set, it is possible to automatically extract the playback point at which the part of the song is played back. Good. In this case, for example, points with good scenery may be automatically extracted in order from the current location based on map data. Thus, for example, even when driving without a destination is performed, music reproduction can be enjoyed.

  Further, in the case where the history database LD is provided, the music playback history information may be uploaded to an external server or the like and shared with other users. As a result, the passenger can acquire information on music that he / she does not normally listen to, and can select and reproduce such music.

  In the above, the flowcharts shown in FIG. 5, FIG. 7 and the like do not limit the present invention to the procedure shown in the above-described flow, and the addition / deletion or order of the procedures within the scope of the gist and technical idea of the invention. May be changed.

In addition to those already described above, the methods according to the above-described embodiments and modifications may be used in appropriate combination.
In addition, although not illustrated one by one, the present invention is implemented with various modifications within a range not departing from the gist thereof.

It is a block diagram which shows the hardware structural example of the music reproduction apparatus of this embodiment. It is a functional block diagram which shows the structural examples of the software etc. which operate | move in the music reproduction apparatus shown in FIG. It is a flowchart which shows the example of a procedure of a music reproduction process. It is a functional block diagram which shows the structural example of the software etc. which operate | move in the music reproduction apparatus of the modification which performs the music selection and the specification of the site | part in a music based on historical information. It is a functional block diagram which shows the structural example of the software etc. which operate | move in the music reproduction apparatus of the modification which performs music reproduction also at the passage point on the way to the destination. It is a flowchart which shows the example of a procedure of the music reproduction process of the modification which performs music reproduction also at the passage point on the way to the destination. It is a figure for demonstrating the specific operation example of the music reproduction apparatus of the modification which performs music reproduction also at the passage point in the middle to the destination.

Explanation of symbols

1 Vehicle (equivalent to a moving object)
30 Acquisition unit (equivalent to acquisition means)
34 Musical tone detection unit (equivalent to music tone detection means)
35 Music selection section (equivalent to music selection means)
36 Part specifying part in music (corresponding to part specifying means in music)
37 Playback start condition setting section (corresponding to playback start condition setting means)
38 determination unit (equivalent to determination means)
39 Music playback unit (equivalent to music playback means)
42 Passing point extraction unit (equivalent to passing point extraction means)
100 music playback device LD history database (corresponding to history information storage means)
SP

Claims (15)

A music playback device for playing back music on a mobile body,
An acquisition means for acquiring a point indicating the destination of the moving body (hereinafter referred to as a destination point), and an estimated arrival time to reach the destination point;
Music selection means for selecting music to be played in association with the destination point;
A song site specifying means for specifying a predetermined site in the selected song (hereinafter referred to as a song site);
Reproduction start condition setting means for setting a reproduction start condition for starting reproduction of the music, based on the estimated arrival time and the time required for reproduction from the beginning of the music to the part in the music;
Determining means for determining whether or not the reproduction start condition is satisfied;
A music playback means for starting playback of the music when it is determined that the playback start condition is satisfied;
A music playback device comprising: The acquisition means includes
2. The music according to claim 1, wherein the current location of the mobile body, a route from the current location to the destination point, and a scheduled arrival time to reach the destination point via the route are acquired. Playback device.   The music playback device according to claim 1, wherein the destination point is a destination or a transit point of the mobile body. The reproduction start condition setting means sets a reproduction start time obtained by subtracting the reproduction required time from the estimated arrival time as the reproduction start condition,
The music reproducing apparatus according to claim 1, wherein the determination unit determines whether or not a current time has reached the reproduction start time. The reproduction start condition setting means sets a reproduction start point corresponding to a reproduction start time obtained by subtracting the reproduction required time from the estimated arrival time as the reproduction start condition,
The music reproducing apparatus according to claim 1, wherein the determination unit determines whether or not the current location of the moving body has reached the reproduction start point. Comprising music tone information acquisition means for acquiring the music tone information of the music;
The music reproducing apparatus according to any one of claims 1 to 5, wherein the in-music part specifying means specifies the in-music part in the music based on the acquired music tone information of the music. Comprising music tone information acquisition means for acquiring the music tone information of the music;
The music reproducing apparatus according to claim 1, wherein the music selection unit selects the music based on the acquired music tone information of the music. Comprising history information storage means for storing history information including specific history information of the part in the song by the part in the song specifying means,
The music reproducing apparatus according to any one of claims 1 to 7, wherein the in-music part specifying means specifies the in-music part in the music based on the accumulated history information. History information storage means for storing the history information including at least one of the reproduction history information of the music, the movement history information of the mobile body, and the selection history information of the music,
The music reproducing device according to claim 1, wherein the music selection unit selects music to be reproduced in association with the destination point based on the accumulated history information. Passage point extracting means for extracting from the route at least one passage point suitable for playing the music other than the destination point existing in the route;
The acquisition means acquires the estimated arrival time until reaching the passing point via the route,
The music reproducing device according to any one of claims 2 to 9, wherein the music selection means selects music to be reproduced in association with the passage point. The acquisition means further acquires area information around the route,
The music playback device according to claim 10, wherein the passing point extracting unit extracts the passing point from the route based on the acquired area information. A music playback control unit is provided that changes the playback speed of the music according to the change time when the estimated arrival time changes after the music playback means starts playing the music. The music reproducing device according to any one of claims 1 to 11. The music reproduction control unit reproduces the portion in the music at the delayed arrival time when the expected arrival time is later than the initial arrival time after the music reproduction unit starts reproducing the music. The music playback device according to claim 12, wherein the playback of the music is paused. A music playback control method for controlling music playback,
An acquisition step of acquiring a point indicating a destination of the moving body (hereinafter referred to as a destination point), and an estimated arrival time to reach the destination point;
A music selection step of selecting music to be played in association with the destination point;
A song site specifying step for specifying a predetermined site in the selected song (hereinafter referred to as a song site);
A reproduction start condition setting step for setting a reproduction start condition for starting reproduction of the music piece based on the estimated arrival time and a reproduction required time period from the beginning of the music piece to the middle part of the music piece;
A determination step of determining whether or not the reproduction start condition is satisfied;
When it is determined that the reproduction start condition is satisfied, a music reproduction control step for starting reproduction of the music;
A music reproduction control method characterized by comprising:   A music reproduction program for causing a computer to execute the music reproduction control method according to claim 14.

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