JP7162987B2 - In-vehicle device - Google Patents

Description

The present invention relates to an in-vehicle device that reads and reproduces video information recorded in an external device.

Conventionally, a vehicle has a display unit for the front seats installed on the dashboard and a display unit for the rear seats installed behind the headrests of the seats, and each display unit has a separate A/V source (radio receiver). , a TV receiver, an SV/DVD player, etc.) and individually reproduce them (see, for example, Patent Document 1). In this system, when a DVD is loaded into the CD/DVD player, the video recorded on the DVD is reproduced and displayed on each of these display units.

JP-A-2008-282433

By the way, in the in-vehicle audio/video system disclosed in the above-mentioned Patent Document 1, when a DVD is inserted into the CD/DVD player, playback of this DVD is started, and both the front seat display unit and the rear seat display unit are displayed. Display of the playback video is started at . However, since the display of the reproduced DVD video using the front seat display unit is restricted while the vehicle is running, only the reproduced DVD video is displayed using the rear seat display unit. As for , it is desirable to maintain the playback state before the DVD was inserted, and there is a problem that the operation is complicated to return to the playback state before the DVD is inserted. For example, in a state where playback video is being displayed on both the front seat display unit and the rear seat display unit, operations such as specifying only the front seat display unit and selecting the source to be played back. is required, and the operability is not good.

SUMMARY OF THE INVENTION The present invention has been created in view of the above points, and its object is to provide an in-vehicle device capable of improving operability when an external device such as a DVD is inserted and video is reproduced. That's what it is.

In order to solve the above-described problems, the in-vehicle apparatus of the present invention includes video/audio reproducing means for reproducing video and/or audio, and video and/or audio reproduced by the video/audio reproducing means in front seats. rear seat output means for outputting video and/or audio reproduced by the video/audio reproducing means to passengers in the rear seats; and a removable external device. playback content determination means for determining whether the information recorded in the video/audio playback means is video information accompanied by video playback by the video/audio playback means or audio information not accompanied; When it is determined that the content is video information, the content output from the rear seat side output means is switched to the result of reproduction by the video/audio reproduction means based on the video information, and the content is audio information by the reproduction content determination means. and an output content switching means for switching the content to be output from the front seat side output means to a reproduction result by the video/audio reproducing means based on the audio information when the determination to that effect is made.

When an external device is inserted and video playback is performed, the playback image can be displayed on the rear seat side instead of the front seat side, so the playback image on the front seat side can be stopped or the rear seat side can be displayed. Complicated operations such as instructing display of playback video are no longer necessary, and operability can be improved.

Further, if the contents to be output from the front seat side output means before the above-mentioned external device is inserted are contents accompanied by video reproduction by the video/audio reproduction means, the output content switching means is configured so that the external device is inserted. and when the reproduced content determining means has determined that it is video information, the contents output from the front seat side output means are reproduced as the result of reproduction by the video/audio reproducing means based on the video information. switch to As a result, if the image display was being performed on the front seat side before the external device was inserted, it is considered that there would be no problem in switching to the image display based on the information recorded on the external device. By performing this automatically, it is possible to simplify the operation as compared with the case of switching to the image display on the front seat side by performing an additional operation.

Also, when the above-mentioned external device is inserted, the front seat side output means and/or the rear seat side output means for outputting the reproduction result by the video/audio reproducing means based on the information recorded in the external device is selected. selection screen display means for creating and displaying a selection screen; and operation means operated by the user for designating front-seat output means and/or rear-seat output means to be selected using the selection screen, The output contents switching means outputs the result of reproduction by the video/audio reproducing means based on the information recorded in the external device, based on the contents designated by the operating means when the external device is inserted. It is desirable to switch the output means and/or the rear seat side output means, and to perform the switching based on the determination result of the reproduction content determination means when the designation using the operation means is not performed for a predetermined time. As a result, it is possible to switch the video display between the front seat side and the rear seat side, which reliably reflects the intention of the user.

Further, the power supply state detecting means for detecting whether or not the power supply of the rear seat side output means is turned off is further provided, and the output switching means detects whether or not the external device is inserted, and the rear seat side output means is detected by the power state detecting means. switching to output from the front output means the result of reproduction by the video/audio reproducing means based on the information recorded in the external device, regardless of the judgment result of the reproduction content judging means when the power cutoff of the means is detected. It is desirable to The passenger detection means detects the absence of the passenger in the rear seat, and the output switching means detects the absence of the passenger in the rear seat when the external device is inserted. It is desirable to switch the front seat side output means to output the result of reproduction by the video/audio reproduction means based on the information recorded in the external device, regardless of the determination result of the reproduction content determination means. When it is clear that playback results will be output only from the front seat, the user's intentions are reliably reflected by switching the front seat to the video display based on the information recorded on the inserted external device. Video display can be switched.

In addition, the driving state detecting means detects whether the own vehicle is in a non-running state while the vehicle is stopped or parked. When the non-running state of the vehicle is detected, switching to output the reproduction result by the video/audio reproduction means based on the information recorded in the external device from the front seat side output means regardless of the judgment result of the reproduction content judgment means. It is desirable to As a result, when the front seat is in a non-running state in which image display is possible, the user's intentions are reliably reflected by switching the front seat to the image display based on the information recorded in the inserted external device. It becomes possible to switch the video display.

It is a figure which shows the structure of the vehicle-mounted apparatus of one Embodiment. FIG. 3 is a diagram showing functional blocks of a disk switching control unit implemented by a CPU; FIG. 10 is a flow chart showing an operation procedure of a disk switching operation that is performed when a disk is inserted into the disk device; FIG. FIG. 11 is a flow chart showing an operation procedure of a modified example of disk switching operation; FIG. FIG. 11 is a flow chart showing an operation procedure of another modified example of disk switching operation; FIG. FIG. 11 is a flow chart showing an operation procedure of another modified example of disk switching operation; FIG. FIG. 11 is a flow chart showing an operation procedure of another modified example of disk switching operation; FIG. FIG. 11 is a flow chart showing an operation procedure of another modified example of disk switching operation; FIG.

An in-vehicle device according to an embodiment to which the present invention is applied will be described below with reference to the drawings.

FIG. 1 is a diagram showing the configuration of an in-vehicle device according to one embodiment. As shown in FIG. 1, the in-vehicle device 1 of the present embodiment includes a navigation processing unit 10, a TV tuner processing unit 14, a radio tuner processing unit 16, an AV processing unit 18, operation units 20F and 20R, touch panels 22F and 22R, input Control units 24F, 24R, display processing units 30F, 30R, display units 32F, 32R, digital-analog converters (D/A) 40F, 40R, speakers 42, headphones 44, CPU 50, memory 60, disk device 70, USB interface section (USB I/F) 80 , SD (Secure Digital) interface section (SD I/F) 82 , and Bluetooth interface section (BT I/F) 84 .

The navigation processing unit 10 uses the map data stored in the memory 60 to perform a navigation operation for guiding the vehicle on which the in-vehicle device 1 is mounted. Used together with a GPS (Global Positioning System) device 12 for detecting the position of the vehicle, the navigation operation for guiding the running of the vehicle includes map display, route search/guidance, peripheral facility search, and the like. In addition to the GPS 12, an autonomous navigation sensor such as a gyro sensor or a vehicle speed sensor may be used in combination to detect the position of the vehicle.

The TV tuner processing unit 14 receives broadcast signals such as terrestrial digital broadcasts and performs processing for reproducing video and audio. The radio tuner processing unit 16 receives a radio broadcast signal and performs processing for reproducing sound. It should be noted that, in this specification, general sounds such as voice mainly produced by people and music produced by musical instruments are referred to as "audio". In accordance with this, images processed by the navigation processing unit 10, the TV tuner processing unit 14, and the AV processing unit 18 are referred to as "videos".

The AV processing unit 18 compresses external devices (a disk inserted into the disk device 70, a USB memory inserted into the USB interface unit 80, an SD memory card inserted into the SD interface unit 82, etc.), the memory 60 The information (video information, audio information) recorded in the device is read out to reproduce the video and/or audio.

The operation unit 20F is for receiving various operations by passengers (users) in the front seats of the vehicle. The touch panel 22F is arranged to overlap the screen of the display section 32F in the front seat, and detects the position on the screen touched by the user's finger. The input control unit 24F monitors the operation state of the operation unit 20F and the touch panel 22F, and detects the operation content of the user.

The display processing unit 30F outputs video signals for displaying various operation screens, etc., and displays these screens on the display unit 32F. A video signal corresponding to the content of processing is output and a screen showing the content of processing is displayed on the display section 32F. The display unit 32F is installed at a position (for example, in the center of the dashboard) that can be seen by passengers in the front seats, and is configured using a liquid crystal display (LCD) or the like, and displays video signals output from the display processing unit 30F. Display the corresponding screen.

The operation unit 20R is for receiving various operations by passengers (users) in the rear seats of the vehicle. The touch panel 22R is arranged to overlap the screen of the display unit 32R in the rear seat, and detects the position on the screen touched by the user's finger. The input control unit 24R monitors the operating states of the operation unit 20R and the touch panel 22R, and detects the content of the user's operation.

The display processing unit 30R outputs video signals for displaying various operation screens and the like, displays these screens on the display unit 32R, and also responds to the processing contents of the TV tuner processing unit 14 and the AV processing unit 18. A video signal is output to display a screen showing these processing details on the display unit 32R. The display unit 32R is installed at a position visible to passengers in the rear seats (for example, at the center of each seat back of the driver's seat and passenger seat), and is configured using a liquid crystal display (LCD) or the like. A screen corresponding to the video signal output from 30R is displayed.

The digital-analog converter 40F converts the audio data generated by the navigation processing unit 10, the TV tuner processing unit 14, the radio tuner processing unit 16, and the AV processing unit 18 into analog audio signals, and outputs the signals to the speaker 42. Output from An amplifier for amplifying the signal is actually connected between the digital-analog converter 40F and the speaker 42, but this amplifier is omitted in FIG. Also, although there are as many combinations of digital-analog converters 40F and speakers 42 as there are reproduction channels, only one set is shown in FIG.

The digital-analog converter 40R converts the audio data generated by the navigation processing unit 10, the TV tuner processing unit 14, the radio tuner processing unit 16, and the AV processing unit 18 into an analog audio signal, and converts it into an analog audio signal. Output from In practice, an amplifier for amplifying signals is connected between the digital-analog converter 40R and the headphone 44, but this amplifier is omitted in FIG. Also, the digital-analog converter 40R and the headphones 44 are for passengers in the rear seats to listen to audio, and these are prepared according to the number of passengers who can sit in the rear seats.

The CPU 50 controls the entire in-vehicle device 1 by executing a predetermined program stored in the memory 60 . The CPU 50 also functions as a disc switching control unit that performs an operation (disc switching operation) to switch the output destination of the reproduction result of the disc when a disc such as a DVD or CD as an external device is inserted into the disc device 70. .

The memory 60 stores an operating program for the CPU 50 and is used as a work area for storing various data necessary for the operation of the CPU 50 . The operation programs executed by the CPU 50 include an operation program (playback destination switching program) for performing the disk switching operation described above. The memory 60 is composed of, for example, a semiconductor memory such as a ROM or a RAM, and may include a hard disk device or the like.

The disk device 70 optically reads video information and audio information recorded on an inserted disk such as a DVD or CD. In the in-vehicle device 1 of the present embodiment, the components other than the operation unit 20R, the touch panel 22R, the display unit 32R, and the headphones 44 are housed in a housing provided on the front seat side. passengers.

The USB interface unit 80 is for inputting/outputting signals with a USB memory, a mobile terminal device such as a smartphone, or the like. This USB interface unit 80 includes a USB port and a USB host controller. A USB memory as an external device can be connected to this USB port directly or via a USB cable.

The SD interface unit 82 is for signal input/output with an SD memory card as an external device, and includes an SD card slot and an SD host controller.

The Bluetooth interface unit 84 is a communication device (Bluetooth device) that transmits and receives signals to and from a mobile terminal device or the like using Bluetooth (registered trademark).

FIG. 2 is a diagram showing functional blocks of a disk switching control unit implemented by the CPU 50. As shown in FIG. The disk switching control unit 150 shown in FIG. 2 has various functions that are operated by the CPU 50 executing a reproduction destination switching program stored in the memory 60 .

Specifically, the disc switching control unit 150 includes a disc detection unit 151, a reproduction content determination unit 152, an output content switching unit 153, a selection screen generation unit 154, a power supply state detection unit 155, a passenger detection unit 156, and a driving state detection unit. A part 157 is included.

The disc detector 151 detects that a disc has been inserted into the disc device 70 . Discs include DVDs and CDs, but are not limited to these, and other discs may be added to detection targets.

The reproduction content determination unit 152 determines whether the information recorded on the disc loaded in the disc device 70 is video information accompanying video reproduction by the AV processing unit 18 or audio information without video reproduction.

When the disc is inserted into the disc device 70 and the reproduction content determination unit 152 determines that the information on the disc is video information, the output content switching unit 153 outputs to the rear seat side. The content to be played is switched to the reproduction result by the AV processing unit 18 based on this video information, and the content to be output to the front seat side when the reproduction content determination unit 152 determines that the information on the disc is audio information. is switched to the reproduction result by the AV processing unit 18 based on this audio information.

The selection screen creation unit 154 creates a selection screen for selecting the output destination of the reproduction result by the AV processing unit 18 based on the information recorded on the disc when the disc is inserted into the disc device 70 . This selection screen is displayed on the display section 32F by the display processing section 30F. . This selection screen includes three options, "front seats", "rear seats", and "all (front seats & rear seats)", as output destinations for playback results. A person) can select an output destination by directly pointing to any option with a finger (the indicated position is detected by the touch panel 22F).

The power state detection unit 155 detects whether or not the display unit 32R, the operation unit 20R, and the like on the rear seat side are powered off. For example, assuming that the display unit 32R, the operation unit 20R, and the touch panel 22R are housed in one housing, and that this housing is provided with a power switch, the power state detection unit 155 turns on the power switch. /OFF is detected.

Passenger detection unit 156 detects the absence of a passenger in the rear seat. For example, it can be detected that there is no passenger in the rear seat based on the usage status of the seat belt in the rear seat. Alternatively, a camera (not shown) may be used to capture an image of the rear seat, and the absence of a passenger may be detected based on the obtained image.

The running state detection unit 157 detects that the own vehicle is in a non-running state such as being stopped or parked. Whether or not the vehicle is in the non-running state can be determined, for example, based on the presence or absence of a vehicle speed pulse output during running. Alternatively, determination may be made based on changes in the position of the vehicle detected by the navigation processing unit 10 .

The TV tuner processing unit 14, the radio tuner processing unit 16, and the AV processing unit 18 described above serve as video/audio reproduction means, and the display processing unit 30F, the display unit 32F, the digital-analog converter 40F, and the speaker 42 serve as front seat side output means. Furthermore, the display processing unit 30R, the display unit 32R, the digital-analog converter 40R, and the headphone 44 serve as rear-seat-side output means, the reproduction content determination unit 152 serves as reproduction content determination means, and the output content switching unit 153 serves as output content switching means. 2, the selection screen creation unit 154, the display processing unit 30F, and the display unit 32F serve as selection screen display means, the operation unit 20F and the touch panel 22F serve as operation means, the power state detection unit 155 serves as power state detection means, and the passenger detection unit. 156 corresponds to the passenger detection means, and the running state detection section 157 corresponds to the running state detection means.

The in-vehicle device 1 of this embodiment has such a configuration. Next, the disk switching operation by the disk switching control section 150 will be described.

FIG. 3 is a flow chart showing the operation procedure of the disk switching operation performed when a disk is inserted into the disk device 70. As shown in FIG.

When the in-vehicle device 1 is powered on and no disc is loaded in the disc device 70, the disc detector 151 determines whether or not a disc is inserted in the disc device 70 (step 100). A negative determination is made until the disk is inserted, and this determination is repeated. Also, when the disk is inserted, the determination at step 100 is affirmative.

Next, the reproduction content determination unit 152 determines whether or not the information recorded on the disc inserted in the disc device 70 is video information accompanying video reproduction by the AV processing unit 18 (step 102). In the case of video information, an affirmative determination is made, and the output content switching unit 153 switches the content to be output to the rear seat side to the video reproduction result by the AV processing unit 18 based on this video information (step 104). Thereafter, an image as a result of video reproduction is displayed on the rear seat display unit 32R, and the audio sound added to this image is output from the rear seat headphone 44. FIG.

If the information recorded on the inserted disc is not video information (audio information), a negative determination is made in step 102 . In this case, the output content switching unit 153 switches the content to be output to the front seat side to the audio reproduction result by the AV processing unit 18 based on this audio information (step 106). Thereafter, the reproduced audio sound is output from the front seat speaker 42 .

As described above, in the in-vehicle device 1 of the present embodiment, when a disk as an external device is inserted into the disk device 70 and video is reproduced, the video image can be displayed not on the front seat side but on the rear seat side. This eliminates the need for complicated operations such as stopping the display of the video image on the front seat side and instructing the display of the video image on the rear seat side, thereby improving the operability.

Although the above description does not describe the playback state before the disk is inserted, there are several possible patterns for this playback state.
(Pattern 1) A common reproduction result by any one of the TV tuner processing unit 14, the radio tuner processing unit 16, and the AV processing unit 18 is simultaneously output from both the front seat side and the rear seat side.
(Pattern 2) The results of reproduction by any two of the TV tuner processing section 14, the radio tuner processing section 16, and the AV processing section 18 are separately output from the front seat side and the rear seat side. In this case, the AV processing unit 18 performs a reproduction operation based on the information recorded in the USB memory, a reproduction operation based on the information recorded in the SD memory card, a reproduction operation based on the information recorded in the portable terminal device, and the like. If the two playback operations in can be performed in parallel, pattern 2 also includes outputting the two playback results from the AV processing unit 18 separately from the front seat side and the rear seat side. be

At step 104 shown in FIG. 3, the rear seat side is switched to the video image. ) is maintained after this switching. Also, at step 106 shown in FIG. 3, the audio sound is switched to the audio sound for the front seat side, but for the rear seat side, the reproduction content (either pattern 1 or pattern 2) which has been output up to that time is switched to the audio sound. ) is maintained after this switching.

(Modification 1)
FIG. 4 is a flow chart showing the operation procedure of a modification of the disk switching operation. The flow chart shown in FIG. 4 differs from the flow chart shown in FIG. 3 in that operations of steps 200 and 202 are added. The following description focuses on the operations of the added steps 200 and 202. FIG.

If the information recorded on the disc is video information and the determination in step 102 is affirmative, the output content switching unit 153 determines whether video is being reproduced (video image is being output) on the front seat side at that time. is determined (step 200). If the video is not being reproduced, a negative determination is made, and the process proceeds to step 104 to switch to the rear seat side video image. Further, when the video is being reproduced on the front seat side, the determination at step 200 is affirmative. In this case, the output content switching unit 153 switches the content to be output to both the front seat side and the rear seat side to the video reproduction result by the AV processing unit 18 based on the video information recorded on the disc (step 202). .

In this way, if the video image was displayed on the front seat side before the disc was inserted, it is considered that there is no problem in switching to the video image based on the information recorded on the disc. , the operation can be simplified compared to the case of switching to the video image on the front seat side by performing an additional operation.

(Modification 2)
FIG. 5 is a flow chart showing the operation procedure of another modification of the disk switching operation. The flowchart shown in FIG. 5 differs from the flowchart shown in FIG. 3 in that the operations of steps 210, 212, 214, and 216 are added. The following description focuses on the operations of the added steps 210-2162.

If the information recorded on the disc is video information and the determination in step 102 is affirmative, the selection screen creation unit 154 selects the output destination of the reproduction result by the AV processing unit 18 based on the information recorded on the disc. A selection screen for selection is created and displayed (step 210). As described above, this selection screen includes three options of "front seats", "rear seats", and "all (front seats & rear seats)" as output destinations for the playback results. can select any one of these three options using the operation unit 20F and the touch panel 22F.

Next, the output content switching unit 153 determines whether or not any option has been selected by the passenger in the front seat (step 212). If none of the options is selected, a negative determination is made, and then the output content switching unit 153 determines whether or not a predetermined time has passed (step 214). A negative determination is made until the predetermined time elapses, and the process returns to step 212 to repeatedly determine whether or not an option is selected. Also, if a predetermined period of time has passed without any of the options being selected, a positive determination is made in step 214 . In this case, the process proceeds to step 104 to switch to the rear seat side video image. Also, if any option is selected, affirmative determination is made in the determination of step 212 . Next, the output content switching unit 153 selects the content to be output to the front seat side and/or the rear seat side indicated by the selected option as a result of video reproduction by the AV processing unit 18 based on the video information recorded on the disc. (step 216).

In this way, when the information recorded on the disc is video information, before automatically switching the rear seat side to the video image, a selection screen is displayed to inform the passenger in the front seat of the output destination of the video signal. By selecting , it is possible to switch the video images between the front seat side and the rear seat side, which surely reflects the intention of the user (passenger in the front seat).

(Modification 3)
FIG. 6 is a flow chart showing the operation procedure of another modification of the disk switching operation. The flow chart shown in FIG. 6 differs from the flow chart shown in FIG. 3 in that operations of steps 220 and 222 are added. The following description focuses on the operations of the added steps 220 and 222. FIG.

When the disc is inserted and the determination in step 100 is affirmative, the power state detection unit 155 determines whether power to the display unit 32R, the operation unit 20R, etc. on the rear seat side is turned off (power OFF). Determine (step 220). If the power has not been turned off, a negative determination is made, and the process proceeds to step 102 to determine the contents of the disc. If the power is off, the determination in step 220 is affirmative. In this case, the output content switching unit 153 switches the content to be output to the front seat side to the playback result (video playback or audio playback) by the AV processing unit 18 based on the information recorded on the disc (step 222).

In this way, when it is clear that the output of the playback result is to be performed only on the front seat side, switching the front seat side to the video playback or audio playback based on the information recorded on the inserted disc enables the user to It is possible to switch to a video image that reliably reflects the intention.

(Modification 4)
FIG. 7 is a flow chart showing the operation procedure of another modification of the disk switching operation. The flowchart shown in FIG. 7 differs from the flowchart shown in FIG. 6 in that step 220 is replaced by the operation of step 220A. The following description will focus on the operation of this replaced step 220A.

When the disc is inserted and the determination in step 100 is affirmative, the passenger detection unit 156 determines whether or not there is an occupant in the rear seat (step 220A). If there is a passenger in the rear seat, a negative determination is made, and the process proceeds to step 102 to determine the contents of the disc. Further, when there is no passenger in the rear seat, affirmative determination is made in the determination of step 220A. In this case, the output content switching unit 153 switches the content to be output to the front seat side to the playback result (video playback or audio playback) based on the information recorded on the disc (step 222).

In this way, when it is clear that the playback result will be viewed only from the front seat, the user's intention can be changed by switching the front seat to video playback or audio playback based on the information recorded on the inserted disc. It is possible to switch to a video image that reliably reflects the

(Modification 5)
FIG. 8 is a flow chart showing the operation procedure of another modification of the disk switching operation. The flow chart shown in FIG. 8 differs from the flow chart shown in FIG. 3 in that operations of steps 230 and 232 are added. The following description focuses on the operations of the added steps 230 and 232. FIG.

When the disk is inserted and the determination in step 100 is affirmative, the running state detector 157 determines whether the vehicle is in a non-running state (stopped or parked) (step 230). If the vehicle is running, a negative determination is made, and the process proceeds to step 102 to determine the contents of the disc. Further, when the vehicle is in the non-running state, the determination at step 230 is affirmative. In this case, the output content switching unit 153 switches the content to be output to the front seat side to the playback result (video playback or audio playback) based on the information recorded on the disc (step 232). For the rear seat side, the playback content may be switched to the same content as the front seat, but the playback state before the disc insertion may be maintained.

In this way, when the vehicle is in a non-running state, it can be considered that the video has been inserted to play video or audio in the front seat. By switching the front seat side to the video reproduction or audio reproduction based on the recorded information, it is possible to switch to the video image that reliably reflects the user's intention.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the present invention. For example, in the above-described embodiments, a disk was considered as an external device to be inserted, but the external device to which the present invention is applied is not limited to a disk, and may include a USB memory or an SD memory card. good.

As described above, according to the present invention, when an external device is inserted and video is reproduced, the reproduced image can be displayed not on the front seat side but on the rear seat side. This eliminates the need for complicated operations such as stopping the display of , and instructing the display of the reproduced video on the rear seat side, thereby improving the operability.

1 in-vehicle device 50 CPU
60 Memory 70 Disk device 150 Disk switching control unit 151 Disk detection unit 152 Playback content determination unit 153 Output content switching unit 154 Selection screen creation unit 155 Power supply state detection unit 156 Passenger detection unit 157 Running state detection unit

Claims (5)

video and audio playback means for playing back video and/or audio;
front seat side output means for outputting the video and/or audio reproduced by the video/audio reproduction means to passengers in the front seats;
rear seat side output means for outputting the video and/or audio reproduced by the video/audio reproduction means to passengers in the rear seats;
playback content determination means for determining whether information recorded in a removable external device is video information accompanied by video playback by said video/audio playback means or audio information not accompanied;
When the external device is inserted and the reproduced content determining means determines that the information is video information, the content to be output from the rear seat side output means is determined based on the video information. When switching to the reproduction result by the video/audio reproduction means and the reproduction content judgment means judges that it is audio information, the content output from the front seat side output means is changed to the video based on the audio information. - output content switching means for switching to a playback result by the audio playback means;
and, before the external device is inserted, when the content output from the front seat side output means is content accompanied by video playback by the video/audio playback means,
The output content switching means selects the content to be output from the front seat side output means when the external device is inserted and the reproduction content determination means determines that it is video information. , an in-vehicle device characterized by switching to a playback result by said video/audio playback means based on said video information. selecting the front seat side output means and/or the rear seat side output means for outputting a reproduction result by the video/audio reproduction means based on information recorded in the external device when the external device is inserted; selection screen display means for creating and displaying a selection screen;
operation means operated by a user to specify the front-seat side output means and/or the rear-seat side output means to be selected using the selection screen;
wherein the output content switching means, when the external device is inserted, the video/audio reproducing means based on the information recorded in the external device based on the specified content using the operation means switching between the front-seat side output means and/or the rear-seat side output means for outputting the reproduction result by the operation means, and if the designation using the operation means is not performed for a predetermined time, the judgment result of the reproduction content judgment means 2. The in-vehicle device according to claim 1 , wherein switching is performed based on. further comprising power supply state detection means for detecting whether or not the rear seat side output means is powered off,
The output switching means, when the external device is inserted and when the power supply state detecting means detects that the rear seat side output means is turned off, regardless of the judgment result of the reproduction content judging means. 2. The in-vehicle apparatus according to claim 1 , wherein first, switching is performed such that the result of reproduction by the video/audio reproduction means based on the information recorded in the external device is output from the front seat side output means. Further comprising passenger detection means for detecting the absence of passengers in the rear seats,
When the external device is inserted and the passenger detection means detects the absence of a passenger in the rear seat, the output switching means, regardless of the determination result of the reproduction content determination means, 2. The in-vehicle apparatus according to claim 1 , wherein switching is performed to output a result of reproduction by said video/audio reproduction means based on information recorded in said external device from said front seat side output means. further comprising running state detection means for detecting that the own vehicle is in a non-running state while the vehicle is stopped or parked;
When the external device is inserted and the vehicle is detected to be in a non-running state by the running state detection unit, the output switching unit is configured to perform the above-described output switching regardless of the determination result of the reproduction content determination unit. 2. The in-vehicle apparatus according to claim 1 , wherein switching is performed to output a result of reproduction by said video/audio reproduction means based on information recorded in an external device from said front seat side output means.

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