WO2013103013A1

WO2013103013A1 - Vehicle-mounted device

Info

Publication number: WO2013103013A1
Application number: PCT/JP2012/050166
Authority: WO
Inventors: 大井　誠
Original assignee: 三菱電機株式会社
Priority date: 2012-01-06
Filing date: 2012-01-06
Publication date: 2013-07-11

Abstract

The purpose of the present invention is to provide a technique whereby the playback of an AV source such as audio data can be continued with as little power consumption as possible after the stopping of a power source such as an engine. A vehicle-mounted device (1) is provided with a first playback unit (71) for playing back a first AV source, second playback units (72-75) for playing back a second AV source different from the first AV source with the power consumption needed for playback being lower than that of the first playback unit (71), an engine operation detection unit (26) for detecting whether an engine (2) is stopped, and a controller (11). The controller (11) performs playback switching which includes stopping playback of the first AV source and starting playback of the second AV source when stoppage of the engine (2) is detected by the engine operation detection unit (26) during playback of the first AV source.

Description

In-vehicle device

The present invention relates to an on-vehicle apparatus mounted on a vehicle, and particularly to an apparatus for reproducing an AV (Audio Visual) source.

In-vehicle devices are equipped with playback devices such as radios and CD players that can play back AV sources such as audio data. The power of the battery generated by the operation of the engine is used as the operating power of the in-vehicle device. The power of the battery is also used for starting the engine. Therefore, if the vehicle-mounted device continues to operate while the engine is stopped, the battery power may be lost, and the next engine startup may not be possible, making it impossible to travel. In order to prevent this, as described in Patent Document 1, when the engine is stopped, the operation of the in-vehicle device is also stopped.

However, the user may want the in-vehicle device to perform some operation even after the engine is stopped. Therefore, various techniques have been proposed to solve the problem. For example, in Patent Document 2, the low current consumption mode is mainly set while the engine is stopped, and the low current consumption mode is canceled and the operation mode is shifted to the normal operation mode when a disk transport operation is received. Thus, a technique for carrying a disk is disclosed.

JP 2006-1112252 A Japanese Patent Laid-Open No. 2003-081031

Now, in the conventional in-vehicle device in which the stopping operation as described above is performed, if the engine is stopped while listening to music or the like, playback of the music or the like is also stopped. However, the user may desire to continue viewing music or the like even when the engine is stopped, with the limit that the engine can be started next time.

Therefore, the present invention has been made in view of the above-described problems, and is a technology capable of continuing playback of an AV source such as audio data without consuming as much power as possible after stopping a power source such as an engine. The purpose is to provide.

An in-vehicle device according to the present invention is an in-vehicle device mounted on the vehicle including a battery that stores electric power generated by operation of a power source that drives the vehicle, and a first reproduction unit that reproduces a first AV source; A second AV source different from the first AV source is reproduced, a second reproducing unit whose power consumption required for the reproduction is lower than that of the first reproducing unit, and whether the power source is stopped or not is detected. A detector. When the first detection unit detects a stop of the power source during the reproduction of the first AV source, the in-vehicle device stops reproduction of the first AV source and starts reproduction of the second AV source. The control part which performs reproduction | regeneration switching containing is provided.

According to the present invention, when a stop of the power source is detected during playback of the first AV source, playback switching including playback stop of the first AV source and playback start of the second AV source is executed. Therefore, after the power source is stopped, the AV source can be reproduced without consuming as much battery power as possible.

1 is a block diagram illustrating a configuration of an in-vehicle device according to Embodiment 1. FIG. 4 is a flowchart showing an operation of the in-vehicle device according to the first embodiment. 4 is a flowchart showing an operation of the in-vehicle device according to the first embodiment. 6 is a flowchart showing the operation of the in-vehicle device according to the second embodiment.

<Embodiment 1>
FIG. 1 is a block diagram showing a basic configuration of an in-vehicle apparatus according to Embodiment 1 of the present invention. FIG. 1 shows not only an in-vehicle device 1 mounted on a vehicle (not shown), but also an engine 2 and a battery 3 provided on the vehicle, and mounting and non-mounting on the vehicle. A portable playback device 5 and an external server 6 provided outside the vehicle are shown.

Among these, the engine 2 that is a power source drives the vehicle to run the vehicle. The battery 3 is used for starting the engine 2 and stores electric power generated by the operation of the engine 2 after the start. The portable playback device 5 and the external server 6 will be described together with the following description of the in-vehicle device 1.

The in-vehicle device 1 according to the present embodiment reproduces an AV (Audio Visual) source using the power supplied from the battery 3. Here, the AV source is assumed to include at least one of audio data (audio source) such as music data and video data (video source). The source is audio data. In the following description, it is assumed that the audio data includes a plurality of contents (here, a plurality of songs).

Next, each component of the in-vehicle device 1 will be described with reference to FIG.

The in-vehicle device 1 comprehensively controls each component of the in-vehicle device 1, a controller 11 that generates an audio signal and a video signal from the input audio data and video data, and amplifies the audio signal from the controller 11. An amplifier 12, a speaker 13 that outputs sound such as music based on the audio signal amplified by the amplifier 12, and a display control unit 15 that controls display on the display 14 based on a video signal from the controller 11. The speaker 13 may be provided outside the in-vehicle device 1.

As shown in FIG. 1, the in-vehicle device 1 acquires the audio data from the disk (for example, CD, DVD, MD), and acquires the desired audio data from the disk by controlling the disk drive 17. And a disk reproducing unit 18 for outputting the audio data to the controller 11.

Here, the in-vehicle device 1 includes a first playback unit 71 including a disk drive 17 and a disk playback unit 18. The first reproduction unit 71 reproduces disk audio data (first AV source), which is disk audio data, under the control of the controller 11. Note that since the disk reproduction requires various operations such as a mechanical operation for rotating the disk by driving a motor, the power consumption required for the first reproduction unit 71 to reproduce the disk audio data is required. Is relatively expensive.

As shown in FIG. 1, the in-vehicle device 1 acquires audio data from an HDD (Hard Disk Drive) 19 and a disk playback unit 18, and audio data in another format (for example, MP3, WMA, AAC, etc.) And a decoding unit 21 that obtains desired audio data from the HDD 19, decodes the audio data, and outputs the audio data to the controller 11.

Here, the in-vehicle device 1 includes a second reproducing unit 72 including the HDD 19 and the decoding unit 21. The second reproduction unit 72 reproduces HDD audio data (second AV source), which is audio data of the HDD 19, which is different in source type from the disc audio data, under the control of the controller 11. Note that the power consumption required for the second reproduction unit 72 to reproduce the HDD audio data is lower than the power consumption required for the first reproduction unit 71 to reproduce the disk audio data.

As shown in FIG. 1, the in-vehicle apparatus 1 includes a radio tuner 22 that acquires audio data from a desired radio broadcast and outputs the audio data to the controller 11. In the present embodiment, it is assumed that the radio broadcast is a digital satellite radio broadcast that is popular in the United States, for example, and the radio tuner 22 acquires audio data of a desired channel from the satellite radio broadcast. . In such satellite radio broadcasting, since there are a large number of channels (radio programs), it is possible for the radio tuner 22 to appropriately change the channels and acquire audio data of songs of a desired genre. In addition, it can be expected that the radio tuner 22 appropriately changes the channel and acquires audio data of a desired artist's song.

Here, the in-vehicle device 1 includes a second reproduction unit 73 including the radio tuner 22. The second reproduction unit 73 reproduces radio audio data (second AV source), which is audio data from a radio broadcast, which is different in source type from the disc audio data, under the control of the controller 11. Note that the power consumption required for the second reproduction unit 73 to reproduce the radio audio data is lower than the power consumption required for the first reproduction unit 71 to reproduce the disk audio data.

As shown in FIG. 1, the in-vehicle device 1 is a music player or a smartphone having a function of storing voice data (for example, voice data of MP3, WMA, AAC, etc.) and a function of playing back the voice data. Communication with the portable playback device 5 is possible. Note that the in-vehicle device 1 may communicate with the portable playback device 5 via a wire or may communicate with the portable playback device 5 via a wireless connection. In the present embodiment, the in-vehicle device 1 includes a portable playback device connection unit 23 that acquires voice data from the portable playback device 5 by performing this communication and outputs the voice data to the controller 11.

Here, the in-vehicle device 1 includes a second playback unit 74 including a portable playback device connection unit 23. The second reproduction unit 74 reproduces portable device audio data (second AV source), which is audio data from the portable reproduction device 5 and has a source type different from that of the disk audio data, under the control of the controller 11. Note that the power consumption required for the second reproduction unit 74 to reproduce the portable device audio data is lower than the power consumption required for the first reproduction unit 71 to reproduce the disk audio data.

As shown in FIG. 1, the in-vehicle apparatus 1 transmits a database 61 that stores audio data, a search unit 62 that acquires desired audio data from the database 61, and audio data acquired by the search unit 62 to the outside. It is possible to communicate with the external server 6 including the communication unit 63 that performs communication via the Internet or other communication means. In the present embodiment, the in-vehicle device 1 includes a communication unit 24 that acquires voice data from the external server 6 by performing this communication and outputs the voice data to the controller 11.

Here, the in-vehicle device 1 includes a second reproduction unit 75 including the communication unit 24. The second reproduction unit 75 reproduces server audio data (second AV source), which is audio data from the external server 6 and has a source type different from that of the disk audio data, under the control of the controller 11. Note that the power consumption required for the second reproduction unit 75 to reproduce the server audio data is lower than the power consumption required for the first reproduction unit 71 to reproduce the disk audio data.

The in-vehicle device 1 also has an engine operating state detection unit 26 that is a first detection unit that detects whether the engine 2 of the vehicle is stopped, and a battery remaining amount that is a second detection unit that detects the remaining amount of the battery 3. And a detection unit 27. Each of the engine operating state detection unit 26 and the battery remaining amount detection unit 27 outputs a detection result to the controller 11.

FIG. 2 is a flowchart showing the operation of the in-vehicle apparatus 1 according to the present embodiment configured as described above. As will be described below with reference to FIG. 2, the controller 11 serving as the control unit according to the present embodiment stops the engine 2 at the engine operating state detection unit 26 during the reproduction of the first AV source (disc audio data). Is detected. When the controller 11 determines that the stop has been detected during the reproduction, the controller 11 stops the reproduction of the first AV source (disc audio data) and reproduces the second AV source (here, HDD audio data or radio audio data). Playback switching including starting is executed.

First, in step S1, the controller 11 detects the stop of the engine 2 by the engine operating state detection unit 26.

In step S2, the controller 11 determines whether or not the disc audio data is being reproduced in the first reproducing unit 71. If it is determined that the disc audio data is being reproduced, the process proceeds to step S3. If it is determined that the disc audio data is not being reproduced, the series of processes shown in FIG.

In step S3, the controller 11 controls the first playback unit 71 to stop playback of the disk audio data. Hereinafter, the music of the disc audio data that has been played back by the first playback unit 71 when the playback stop of step S3 is executed may be referred to as “stopped music”.

Here, in this embodiment, for each song of disk audio data, HDD audio data, radio audio data, portable device audio data, and server audio data, the song (song name), the artist who created the song, and the genre of the song It is assumed that information (additional information) that can be identified is added. And the controller 11 shall acquire the additional information of the said to-be-stopped music, when performing a reproduction | regeneration stop in step S3.

After step S3, in step S4, the controller 11 shifts to a mode for prohibiting reproduction of disc audio data.

Then, in step S5, the controller 11 determines based on the additional information whether the HDD audio data includes the same music as the stopped music. If it is determined that it is included, the process proceeds to step S6, and if it is determined that it is not included, the process proceeds to step S7.

In step S6, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 starts playing the same song as the stopped song among the plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

In step S7, the controller 11 determines based on the additional information whether the radio audio data includes a song of the same artist as the stopped song. If it is determined that it is included, the process proceeds to step S8, and if it is determined that it is not included, the process proceeds to step S9.

In step S8, the controller 11 controls the second reproduction unit 73 to start reproduction of radio audio data. Here, the controller 11 changes to a channel (radio program) related to the artist indicated by the additional information of the stopped song, and starts playing the song of the radio audio data of the channel. Thereafter, the series of processes shown in FIG.

In step S9, the controller 11 determines based on the additional information whether the HDD audio data includes a song of the same artist as the stopped song. If it is determined that it is included, the process proceeds to step S10, and if it is determined that it is not included, the process proceeds to step S11.

In step S10, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 starts playing a song of the same artist as the stopped song among a plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

In step S11, the controller 11 determines based on the additional information whether the radio audio data includes a song of the same genre as the stopped song. If it is determined that it is included, the process proceeds to step S12. If it is determined that it is not included, the process proceeds to step S13.

In step S12, the controller 11 controls the second playback unit 73 to start playback of radio audio data. Here, the controller 11 changes to a channel (radio program) related to the genre indicated by the additional information of the stopped song, and starts playing the song of the radio audio data of the channel. Thereafter, the series of processes shown in FIG.

In step S13, the controller 11 determines based on the additional information whether the HDD audio data includes a song of the same genre as the stopped song. If it is determined that it is included, the process proceeds to step S14, and if it is determined that it is not included, the process proceeds to step S15.

In step S14, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 starts playing a song of the same genre as the stopped song among a plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

In step S15, the controller 11 determines whether a favorite song (Favorite Song) is registered in advance among a plurality of songs included in the HDD audio data. If it is determined that it is registered, the process proceeds to step S16. If it is determined that it is not registered, the process proceeds to step S17.

In step S16, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 starts playing a favorite song (a pre-registered song) among a plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

In step S17, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 selects a song based on the number of times of reproduction among a plurality of songs included in the HDD audio data. For example, the controller 11 may select a song having the largest number of playbacks, or may select a song in the upper fixed order (for example, in the top 10) having the highest number of playbacks. Then, the controller 11 starts playing the selected song among the plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

As described above, after playback switching is performed, HDD audio data (second AV source) or radio audio data (second AV source) is played by the second playback unit 72 or the second playback unit 73.

According to the vehicle-mounted device 1 according to the present embodiment that performs the operation as described above, when the stop of the engine 2 is detected during the reproduction of the disc audio data (first AV source), the disc audio data (first AV source) is detected. ) Playback stop and playback switching including HDD audio data or the like (second AV source) playback start. Therefore, after the engine 2 is stopped, the audio data (AV source) can be reproduced without consuming as much power as possible from the battery 3. In addition, playback of HDD audio data or the like (second AV source) is automatically started without any user operation. Therefore, since the user does not have to perform an operation for starting playback of HDD audio data or the like (second AV source), the user's trouble can be saved.

Also, according to the in-vehicle device 1 according to the present embodiment, the same HDD audio data song as the disc audio data song that was being reproduced when the playback stop was executed, or the disc audio data song The corresponding HDD audio data song (here, the song of the same artist, the song of the same genre) is started. Therefore, the continuity or identity of the music is maintained before and after the playback switching, so that the possibility that the user notices the playback switching can be suppressed. That is, it is possible to alleviate the user's uncomfortable feeling caused by the discontinuity of the music accompanying the playback switching.

Further, in the present embodiment, the disc audio data is stored in the HDD 19 by the ripping unit 20. The recording speed of the disk audio data by the ripping unit 20 can be made higher than the reproducing speed of the disk audio data by the first reproducing unit 71, and the storage can be completed before the reproduction is completed. Therefore, it is possible to increase the possibility of starting playback of the same HDD audio data song as the disc audio data song that was being played when the playback stop was executed.

In addition, when the controller 11 starts playing the HDD audio data song that is the same as the song of the disk audio data that was being played when the playback stop was executed, the controller 11 starts the playback from the playback position where the playback stop was executed. You may start playing the song. For example, in the above description, when the playback stop is executed when the music included in the disc audio data is played for 30 seconds from the beginning, the same music included in the HDD audio data is played back for 30 seconds from the beginning. Playback starts from the position. When configured in this way, it is possible to further alleviate the user's uncomfortable feeling caused by the discontinuity of the music accompanying playback switching from the first playback unit to the second playback unit.

In addition, according to the in-vehicle device 1 according to the present embodiment, it is possible to start playing a pre-registered song at the time of playback switching. Therefore, since the user automatically switches to the music that the user likes, the in-vehicle device 1 that is easy to use can be realized.

Further, according to the in-vehicle device 1 according to the present embodiment, it is possible to start playback of a song selected based on the number of playbacks when switching playback. Therefore, since the user automatically switches to the music that the user likes, the in-vehicle device 1 that is easy to use can be realized.

In step S3 described above, the disk audio data may not be stopped suddenly but gradually reduced, that is, playback may be stopped after fading out.

<Operation after switching playback>
FIG. 3 is a flowchart showing the operation of the in-vehicle device 1 according to the present embodiment after the reproduction switching is executed. As will be described below with reference to FIG. 3, the controller 11 performs the HDD when the remaining amount of the battery 3 detected by the battery remaining amount detection unit 27 becomes equal to or less than a predetermined threshold after the execution of the regeneration switching. Playback of the second AV source such as audio data and radio audio data is also stopped.

First, in step S21, the controller 11 determines whether the remaining battery level detected by the remaining battery level detection unit 27 is equal to or less than a predetermined threshold value. When it is determined that the remaining battery level is greater than the predetermined threshold value, the process proceeds to step S22, and when it is determined that the remaining battery level is equal to or less than the predetermined threshold value, the process proceeds to step S23. In the present embodiment, it is assumed that the predetermined threshold is set to the minimum power necessary for starting the engine 2 next time.

In step S22, the controller 11 waits for a predetermined time (here, 10 seconds) while continuing to reproduce the second AV source such as HDD audio data and radio audio data, and then returns to step S21 again. As a result, as long as the remaining battery capacity is greater than the predetermined threshold, the controller 11 makes a determination (check) in step S21 at regular time intervals (here, 10 seconds).

On the other hand, in step S23, the controller 11 stops the reproduction of the second AV source such as HDD audio data and radio audio data. Then, the series of processes shown in FIG.

According to the in-vehicle device 1 according to the present embodiment that performs the operation as described above, when the remaining amount of the battery 3 becomes a predetermined threshold value or less, the second AV source such as HDD audio data and radio audio data is also reproduced. Stop. Therefore, it is possible to reproduce the audio data (AV source) while securing the minimum power necessary for starting the engine 2 next time.

<Embodiment 2>
The block configuration of the in-vehicle device according to the second embodiment of the present invention is the same as that of the first embodiment. Therefore, hereinafter, in the in-vehicle apparatus according to the present embodiment, the same or similar components as those described in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

FIG. 4 is a flowchart showing the operation of the in-vehicle device 1 according to the second embodiment.

First, in step S31, the controller 11 detects the stop of the engine 2 by the engine operating state detection unit 26.

In step S32, the controller 11 determines whether or not the disc audio data is being reproduced by the first reproducing unit 71. If it is determined that the disk audio data is being reproduced, the process proceeds to step S33, and if it is determined that the disk audio data is not being reproduced, the series of processes shown in FIG.

In step S33, the controller 11 waits for execution of the reproduction stop until the music of the disk audio data being reproduced is reproduced to the end when attempting to execute the reproduction stop. When the reproduction of the song is completed in step S34, in step S35, the controller 11 controls the first reproduction unit 71 to stop the reproduction of the disk audio data and reproduce the disk audio data. Move to the prohibited mode.

Then, in steps S36 to S38, the controller 11 determines whether or not the HDD audio data includes a song similar to the song that has been played back in step S34 (hereinafter also referred to as “playback completed song”). . For similar determination, for example, as in the method described in Japanese Patent Application Laid-Open No. 2004-046575, for example, information equivalent to the above-described additional information (in this case, information that can identify a song name and an artist) It is determined whether or not the two songs are similar to each other based on the feature amount including the degree of spectrum change, the average number of pronunciations, pronunciation aperiodicity, beat period, and the like.

However, in order to make such a similar determination, a large amount of data and calculation amount are required. Therefore, in step S <b> 36, the controller 11 transmits the additional information of the reproduction completed music and the similar music search request to the external server 6 via the communication unit 24. Then, the external server 6 that has received these selects a plurality of songs (for example, 5 songs) similar to the reproduction completion song using the similarity determination, and information equivalent to the additional information of the selected song (similar song candidate information) ) To the in-vehicle device 1.

Then, in step S37, the communication unit 24 of the in-vehicle device 1 receives the similar song candidate information from the external server 6.

In step S38, the controller 11 determines whether the HDD audio data includes the same song as the song determined to be similar by the external server 6 based on the similar song candidate information received by the communication unit 24 in step S37. Judging. That is, in step S38, the controller 11 determines whether the HDD audio data includes a song similar to the reproduction completion song. If it is determined that it is included, the process proceeds to step S39, and if it is determined that it is not included, the process proceeds to step S40.

In step S39, the controller 11 controls the second playback unit 72 to start playback of HDD audio data. Here, the controller 11 starts to reproduce a song similar to the reproduction completion song indicated by the similar song candidate information among the plurality of songs included in the HDD audio data. Thereafter, the series of processes shown in FIG.

In step S40, the controller 11 determines whether a favorite song (Favorite Song) is registered in advance among a plurality of songs included in the HDD audio data. If it is determined that it is registered, the process proceeds to step S41. If it is determined that it is not registered, the process proceeds to step S42.

In step S41, the controller 11 starts playing a favorite song (a pre-registered song) in the same manner as in step S16, and thereafter ends the series of processes shown in FIG.

In step S42, similarly to step S17, the controller 11 starts playback of the music selected based on the number of playbacks, and then ends the series of processes shown in FIG.

According to the in-vehicle apparatus 1 according to the present embodiment as described above, as in the first embodiment, after the engine 2 is stopped, the audio data (AV source) is reproduced without consuming as much power as possible from the battery 3. The effect of doing can be realized.

Further, according to the in-vehicle device 1 according to the present embodiment, the playback stop is executed after the music of the disk audio data being played back is played to the end when the playback stop is executed. Therefore, it is possible to alleviate the user's uncomfortable feeling that occurs when the music being played is suddenly stopped when the engine is stopped.

<Modification common to

Embodiments

1 and 2>
In the above description, the AV source is audio data. However, the present invention is not limited to this, and the AV source may be video data, or both audio data and video data. However, in this case, each of the first reproduction unit 71 and the second reproduction units 72 to 75 reproduces the video data in accordance with the control of the controller 11, and the reproduced video data is displayed on the display 14 and the display control unit 15. Output.

In the above description, it has been mainly explained that the controller 11 executes reproduction switching to HDD audio data or radio audio data. However, the present invention is not limited to this, and the playback start of the second AV source may be executed as the playback start included in the playback switching. That is, the controller 11 may start reproduction of any one of HDD audio data, radio audio data, portable device audio data, and server audio data, which is the second AV source, as reproduction switching.

Although not shown in the above, the in-vehicle device 1 uses memory audio data, which is audio data of removable memory such as a USB memory (audio data such as MP3, WMA, AAC), as a second AV source. It may be used. In this case, the USB connection unit is the second playback unit.

Further, in the above description, it has been described that the playback of the same music as the stopped music starts only when the second AV source is HDD audio data. However, this is not limited to the case where the second AV source is HDD audio data. Alternatively, even when the second AV source is any of radio audio data, portable device audio data, server audio data, and memory audio data, the reproduction of the same song as the stopped song may be started.

In the above description, the song corresponding to the stopped song is described as being the same artist's song, the same genre song, or a similar song as the stopped song, but is not limited to this. For example, the song corresponding to the stopped song may be a song of the same artist, a song of the same genre, a song of the same song name, a song of the same album, or a similar song as the stopped song. It may be a combined song (for example, a song of the same song name and the same artist as the stopped song).

In the above description, only the case where the first AV source is disc audio data has been described. However, the present invention is not limited to the case where the first AV source is disc audio data. For example, assuming that the first AV source is any one of HDD audio data, radio audio data, portable device audio data, server audio data, and memory audio data, the second AV source is reproduced as the second AV source. The power consumption of the playback unit may be lower than the power consumption of the first playback unit that plays back the first AV source.

In the above description, the power source is the engine 2 that drives the vehicle using gasoline. However, the power source is not limited to this and may be a motor that drives the vehicle using electric power. .

Further, in the configuration described above, an operation unit (not shown) that accepts a setting operation from the user as to whether or not to perform reproduction switching is provided, and the reproduction switching is performed in consideration of the setting operation. Good. The setting operation may be an operation of turning on the accessory power source.

In the above, the controller 11 may also stop the power supply to the unique components of the first playback unit 71 (for example, the disk drive 17 and the disk playback unit 18) when stopping the playback of the disk audio data. Good. Further, when the playback of the second AV source is stopped, the same power supply may be stopped for the second generation units 72 to 75 as well.

It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

1 in-vehicle device, 2 engine, 3 battery, 11 controller, 26 engine operation detection unit, 27 remaining battery level detection unit, 71 first reproduction unit, 72-75 second reproduction unit.

Claims

An in-vehicle device mounted on the vehicle including a battery that stores electric power generated by operation of a power source that drives the vehicle,
A first playback unit for playing back the first AV source;
A second playback unit that plays back a second AV source different from the first AV source, and that consumes less power than the first playback unit;
A first detector for detecting whether or not the power source is stopped;
When the stop of the power source is detected by the first detection unit during playback of the first AV source, playback switching including playback stop of the first AV source and playback start of the second AV source is executed. An in-vehicle device comprising a control unit.
The in-vehicle device according to claim 1,
The first AV source includes a plurality of contents,
The controller is
An in-vehicle device that performs the playback switching after the content of the first AV source being played back when the playback stop is about to be played back to the end.
The in-vehicle device according to claim 1,
A second detector for detecting the remaining amount of the battery;
The controller is
The in-vehicle apparatus that stops the reproduction of the second AV source when the remaining amount detected by the second detection unit becomes equal to or less than a predetermined threshold after the reproduction switching.
The in-vehicle device according to claim 1,
The first and second AV sources include a plurality of contents,
The controller is
An in-vehicle device that starts playing the content of the second AV source that is the same as or corresponds to the content of the first AV source that was played when the playback stop was executed.
The in-vehicle device according to claim 1,
The first and second AV sources include a plurality of contents,
The controller is
A vehicle-mounted device that starts playing the content of the second AV source that is the same as the content of the first AV source that was being played when the playback stop was executed, from the playback position where the playback stop was executed.
The in-vehicle device according to claim 1,
The second AV source includes a plurality of contents,
The controller is
An in-vehicle device that starts reproducing the content registered in advance among the plurality of content.
The in-vehicle device according to claim 1,
The second AV source includes a plurality of contents,
The controller is
An in-vehicle device that starts reproduction of the content selected based on the number of times of reproduction among the plurality of contents.