CN102122999B - Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine - Google Patents
Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine Download PDFInfo
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- CN102122999B CN102122999B CN201010003853.2A CN201010003853A CN102122999B CN 102122999 B CN102122999 B CN 102122999B CN 201010003853 A CN201010003853 A CN 201010003853A CN 102122999 B CN102122999 B CN 102122999B
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Abstract
The invention discloses a vehicle-mounted electronic machine and an information output method for the vehicle-mounted electronic machine. The method comprises the following steps of: (1) detecting that a poor broadcast reception interval such as a tunnel is present in front of a road where a vehicle runs; (2) calculating time required for the vehicle to pass through the poor broadcast reception interval; (3) extracting data which can be played completely within the time from a plurality of data recorded on a recording medium; and (6) switching a receiving status of a broadcast program into a playing status of the recording medium and outputting the data extracted in the step (3) when a currently-selected playing source is determined to be the broadcast program and the vehicle enters the poor broadcast reception interval. Therefore, the data is played completely when the vehicle passes through the poor broadcast reception interval and the status is switched into the receiving status of a broadcast receiver, so that the problem of interrupted playing of the data when the playing status of the recording medium is switched into the receiving status of the broadcast program cannot occur.
Description
Technical field
The present invention relates to the information output method of vehicle carried electronic machine and vehicle carried electronic machine, particularly a kind ofly can select to export the broadcast program that broadcast reception portion receives, the vehicle carried electronic machine of broadcast information and the information output method of vehicle carried electronic machine that recording medium broadcasting portion plays.
Background technology
At present, vehicle carried electronic machine (vehicle-mounted voice band device, onboard navigation system), be equipped with the analog or digital broadcasting receiver that can receive broadcast program, and the recording medium broadcast unit that reads and play the data on the recording medium that is recorded in CD, disk or semiconductor memory etc., can be selectively from the efferent output broadcast program of loud speaker, display etc. and the broadcast information of recording medium.
This vehicle carried electronic machine, as shown in Figure 7, if vehicle C enters the weak electric field region such as tunnel (the bad interval of broadcast reception) during receiving broadcast program, because reception level reduces, cannot continue to export sound or the reflection of broadcast program.In order to solve this problem, at Japanese Patent Publication 10-163911, following technological means has been proposed: when the reception level of broadcasting receiver reduces, automatically be switched to the broadcast state of recording medium, thereby the state that there is no sound or reflection output is president's time remaining not, then when the reception level of broadcasting receiver is recovered, again return to the accepting state of broadcast program.
, above-mentioned technological means, while being switched to the broadcast state of recording medium from the accepting state of broadcast program, not considering and should play which data being recorded in a plurality of data that record on recording medium.Therefore, produced following problems: in the moment of recovering in the accepting state of broadcasting receiver, while returning to the accepting state of broadcast program from the broadcast state of recording medium, data have been interrupted playing midway.
Summary of the invention
The present invention proposes in order to solve the above problems.
Vehicle carried electronic machine of the present invention, has: broadcast reception portion, receives broadcasting wave; Recording medium broadcasting portion, plays recording medium; Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcasting portion to play; Selection portion selects a broadcast source to export from described efferent in described broadcast program and described broadcast information; Broadcast source detection unit, judges the broadcast source of current selection according to described selection portion; Reproduction time test section, detection record is at a plurality of data of described recording medium reproduction time separately; Vehicle location test section, the current location of detection vehicle; Map datum storage part, store map data, this map datum at least contains road information and the bad block information of broadcast reception; Also have: the bad interval test section of broadcast reception, the current location and the described map datum that according to described vehicle location test section, detect, whether the place ahead of detecting on the road travelling at vehicle has the bad interval of described broadcast reception; By Time Calculation portion, when detecting, the bad interval test section of described broadcast reception in described the place ahead, have described broadcast reception bad when interval, calculate vehicle by the needed time of the bad interval of this broadcast reception; Data extraction unit, the reproduction time detecting based on described reproduction time test section, is extracted in the data that can finish in the described time calculating by Time Calculation portion; Enter test section, detect vehicle and enter the bad interval of described broadcast reception; Play Control portion, at the described test section that enters, vehicle detected to enter described broadcast reception bad when interval, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast information, allow this broadcast information continue output, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast program, control described selection portion by switching to described broadcast information from the broadcast source of described efferent output, export the data that described data extraction unit is extracted.
According to vehicle carried electronic machine of the present invention, enter the bad interval of broadcast reception, while being switched to the broadcast state of recording medium from the accepting state of broadcast program, from be recorded in a plurality of data recording medium, extract and play the data that can finish in by the time in the bad interval of broadcast reception at vehicle out vehicle being detected.Therefore, at vehicle by the bad interval of broadcast reception, while turning back to the accepting state of broadcasting receiver, the state of the broadcasting of above-mentioned data in finishing or playing substantially, so can not produce while returning to the accepting state of broadcast program from the broadcast state of recording medium, data are being play the problem of interrupting midway.
The bad interval of described broadcast reception is at least one between Close Tunnel, between block, building, in intermountain interval.
At the vehicle carried electronic machine of the invention described above, preferred, vehicle calculates by the needed time of the bad interval of described broadcast reception according to the travel speed of the bad length of an interval degree of the described broadcast reception on road and vehicle in the described Time Calculation portion that passes through.Accordingly, can calculate accurately the time of passing through.
At the vehicle carried electronic machine of the invention described above, the data that described data extraction unit is extracted are the data that can finish within the described time of calculating by Time Calculation portion or the set of a plurality of data.The number of the data of extracting out is not limited to one, also can be a plurality of, even if therefore the bad interval of broadcast reception is very long, the broadcasting that is recorded in the data on recording medium also can last till that vehicle is just by the bad interval of this broadcast reception, or is about to by before the bad interval of this broadcast reception.
In addition, the vehicle carried electronic machine in the invention described above, also has, and leaves test section, detects vehicle and leaves from the bad interval of described broadcast reception; Described Play Control portion, when vehicle enters the bad interval of described broadcast reception, control described selection portion by from the broadcast source of described efferent output from broadcast program switches to described broadcast information, when described when leaving test section and vehicle being detected and leave from the bad interval of described broadcast reception, described Play Control portion again controls described selection portion and will from described broadcast information, turn back to described broadcast program from the broadcast source of described efferent output.Therefore, vehicle leaves behind the bad interval of broadcast reception, even if user (user) does not carry out the operation of broadcast source switching, vehicle carried electronic machine of the present invention also can automatically will return to broadcast program from the broadcast information of recording medium from the broadcast source of efferent output.At this, at the described test section that leaves, vehicle detected to leave described broadcast reception bad when interval, the data that described data extraction unit is extracted are still in the situation that continuing to play, after this data playback, described Play Control portion controls described selection portion again will turn back to described broadcast program from described broadcast information from the broadcast source of described efferent output.Accordingly, though vehicle early than the time of calculating by Time Calculation portion by the bad interval of broadcast reception, data are not interrupted playing midway.
The information output method of vehicle carried electronic machine of the present invention, above-mentioned vehicle carried electronic machine, has: broadcast reception portion, receives broadcasting wave; Recording medium broadcasting portion, plays recording medium; Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcasting portion to play; Selection portion, selects a broadcast source to export from described efferent at described broadcast program and described broadcast information; Broadcast source detection unit, judges the broadcast source of current selection according to described selection portion; Reproduction time test section, detection record reproduction time separately in a plurality of data of described recording medium; Vehicle location test section, the current location of detection vehicle; Map datum storage part, store map data, this map datum at least contains road information and the bad block information of broadcast reception; The information output method of above-mentioned vehicle carried electronic machine is characterised in that: the bad interval detecting step of broadcast reception, the current location and the described map datum that according to described vehicle location test section, detect, whether the place ahead of detecting on the road travelling at vehicle has the bad interval of described broadcast reception; By Time Calculation step, the bad interval test section of described broadcast reception detects while having the bad interval of broadcast reception in described the place ahead, calculates vehicle by the needed time of the bad interval of this broadcast reception; Data extraction step, the reproduction time detecting based on described reproduction time test section, is extracted in the data that can finish in the described time calculating by Time Calculation step; Enter detecting step, detect vehicle and enter the bad interval of described broadcast reception; The step of Play Control, in the described step that enters detection, vehicle being detected, to enter described broadcast reception bad when interval, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast information, allow this broadcast information continue output, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast program, control described selection portion by switching to described broadcast information from the broadcast source of described efferent output, export the data that described data extraction unit is extracted.
According to the information output method of vehicle carried electronic machine of the present invention, enter the bad interval of broadcast reception, while being switched to the broadcast state of recording medium from the accepting state of broadcast program, from be recorded in a plurality of data recording medium, extract and play the data that can finish in by the time in the bad interval of broadcast reception at vehicle out vehicle being detected.Therefore, at vehicle by the bad interval of broadcast reception, while turning back to the accepting state of broadcasting receiver, because the broadcasting of the data of extracting is complete or soon complete.So can not produce while returning to the accepting state of broadcast program from the broadcast state of recording medium, data are being play the problem of interrupting midway.
In addition, in the information output method of vehicle carried electronic machine of the present invention and vehicle carried electronic machine of the present invention, the broadcast reception portion that receives broadcasting wave can be television broadcasting, radio, any broadcast reception portion that can receive broadcasting wave of satellite broadcasting etc.Recording medium broadcasting portion can be any recording medium of CD, semiconductor memory of HDD (hard disk), CD, DVD etc. etc.In addition, recording medium broadcasting portion also can read the broadcast information on the recording medium that is stored in outside portable terminal by means such as radio communications.
Accompanying drawing explanation
Fig. 1 roughly represents to relate to the block diagram that the integral body of the vehicle carried electronic machine of embodiments of the present invention forms.
Fig. 2 is the flow chart of action that roughly represents to relate to the vehicle carried electronic machine of embodiments of the present invention.
Fig. 3 means the flow chart of the processing that detects the bad interval of broadcast reception.
Fig. 4 means the flow chart of the processing of extracting played data.
Fig. 5 means the figure of the TOC information of CD.
Fig. 6 means that broadcast source selects the figure of an example of the formation of signal.
Fig. 7 is in order to illustrate that vehicle is by the key diagram of bad situation when interval of broadcast reception.
Symbol description
100 vehicle carried electronic machines
1 HDD (map datum storage part)
2 vehicle location test sections
3 Navigation Control portions (the bad interval test section of broadcast reception, by Time Calculation portion, enter test section, leave test section)
4 recording medium broadcasting portions
5 tuners (broadcast reception portion)
6 broadcast source selection portions (selection portion)
7 system controllers (broadcast source detection unit, reproduction time test section, data extraction unit, Play Control portion)
8 efferents
9 console switch groups
Embodiment
Below, with reference to the applicable embodiments of the present invention of drawing explanation.
The formation > of I< vehicle carried electronic machine
Fig. 1 roughly represents to relate to the block diagram that the integral body of the vehicle carried electronic machine of embodiments of the present invention forms.
Symbol in figure 1 represents store map data (cartographic information) and for the map datum storage part of the various data of the demonstration data of route guidance or voice data etc.In present embodiment, with HDD (hard disk drive), form map datum storage part, still, present embodiment is not limited to this, can be also to use other the memory cell of storage medium such as DVD-ROM or semiconductor memory.According to each engineer's scale such as 1/12500,1/25000,1/50000,1/100000, in advance the map datum of storing at HDD1 is divided into longitude scope and the latitude scope of suitable size, is included in the incompatible storage of coordinate set of the point (node) that the various items outside road in this map datum, building, facility can show with longitude and latitude.
Map datum consists of path layer, background layer, literal notation layer etc.(1) path layer consists of road list, nodal directory, crosspoint configuration node list etc.(2) background layer is for road, building, park, rivers and creeks etc. are presented on map image.(3) literal notation layer is the word of administrative division title in order to represent to indicate town village name etc., road name, crosspoint title etc. or map mark etc.In the processing of map match, the road data of the shape of performance road used is also stored in HDD1.This road data consists of shape node and the internodal link of shape, and in addition, the distance between two shape nodes of this link changes with the shape of road.
In addition, in present embodiment, in map datum, contain the bad block information of broadcast reception.The bad block information of so-called broadcast reception, even if refer in the broadcast area (broadcast singal overlay area) in certain broadcasting station, can not receive the related information in the interval (receiving bad interval) of broadcast because accepting state is bad.The bad block information of this broadcast reception comprise be positioned at road (link) information in the bad interval of broadcast reception, the position coordinates of the entrance and exit in the bad interval of broadcast reception on this road and at this entrance and exit the distance on road, the facility that configures in the bad interval of broadcast reception relay antenna) etc. (such as information.In present embodiment, can be illustrated in and on road (link), whether contain the identification parameter in the bad interval of broadcast reception and this link corresponding stored in HDD1.Such as, identification parameter is in the situation of [1], is illustrated on this link and has the bad interval of broadcast reception, identification parameter is in the situation of [0], is illustrated in and on this link, there is no the bad interval of broadcast reception.In present embodiment, the bad interval of broadcast reception (interval that reception level is low) on road is between Close Tunnel, between block, building, the interval in intermountain interval etc.
Symbol 2 represents the vehicle location test section of the current location of detection vehicle.This vehicle location test section 2 consists of GPS receiver 2a and self-support boat method transducer 2b.GPS receiver 2a receives longitude, latitude, PDOP (the PositionDilution Of Precision: positional precision deterioration rate) value and HDOP (Horizontal DilutionOf Precision: the horizontal level precision deterioration rate) gps data of value etc. that generates and export the current location of vehicle from the gps signal of many gps satellites.Self-support boat method transducer 2b by detect vehicle direct of travel gyroscope etc. angular transducer, often the segment distance that travels just sends the formations such as range sensor of pulse (vehicle speed pulse).
Symbol 3 represents Navigation Control portions, and this Navigation Control portion 3 consists of CPU etc., can control respectively above-mentioned HDD1, GPS receiver 2a, self-support boat method transducer 2b.The gps signal that this Navigation Control portion 3 receives based on GPS receiver 2a, the direct of travel of vehicle that self-support boat method transducer 2b detects, the output gap of vehicle speed pulse, current location and the travel speed of calculating vehicle.According to the travel speed of the vehicle calculating and the map datum (the bad length of an interval degree of broadcast reception on road) that is stored in HDD1, can calculate vehicle by the needed time of the bad interval of broadcast reception.Therefore, Navigation Control portion 3 can realize of the present invention by the function of Time Calculation portion.The current location of the vehicle that in addition, this Navigation Control portion 3 can detect according to GPS receiver 2a and self-support boat method transducer 2b and direct of travel and map datum (position data of the entrance in the bad interval of broadcast reception) detect vehicle and enter the bad interval of broadcast reception.Therefore, Navigation Control portion 3 can realize the function that enters test section of the present invention.In addition, can leave the bad interval of broadcast reception according to the current location of vehicle and map datum (position data of the outlet in the bad interval of broadcast reception) detection vehicle.Therefore, Navigation Control portion 3 can realize the function of leaving test section of the present invention.In addition, Navigation Control portion 3 can realize the function whether the place ahead of detecting on the road travelling at vehicle has the bad interval test section of broadcast reception in the bad interval of broadcast reception.The processing that detects the bad interval of broadcast reception about this is in rear elaboration.
The recording medium broadcasting portion that symbol 4 represents to play recording medium.This recording medium broadcasting portion 4 possesses at least one in CD broadcast unit 4a, DVD broadcast unit 4b, external portable terminal plays unit 4c, media player 4d, digital audiotape driver 4e.CD broadcast unit 4a plays the information of the melody be recorded on CD etc.; DVD broadcast unit 4b plays the information of the reflection be recorded on DVD and sound etc.; External portable terminal plays unit 4c by BT (Blue Tooth: bluetooth) communication etc. means of communication receiving record be attached thereto the reflection of external portable terminal and/or the signal of sound connecing, export to the efferent 8 of back segment; Media player 4d reads and plays the information of reflection on the recording medium that is recorded in semiconductor memory card of being installed with etc. and sound etc.Digital audiotape driver 4e plays and is recorded in the voice signal on tape.
Symbol 5 represents tuner (broadcast reception portion).This tuner 5 is set receive frequency (channel) according to the channel selecting signal from system controller 7 described later, and the broadcast singal receiving (broadcast program) is carried out, after the processing of amplification, detection etc., exporting to the efferent 8 of back segment.
Symbol 6 represents broadcast source selection portion (selection portion).The broadcast source of this broadcast source selection portion 6 based on from system controller 7 described later selected signal, the broadcast information that the broadcast program receiving and recording medium broadcasting portion 4 play, selects a broadcast source to export to the efferent 8 of back segment from tuner (broadcast reception portion) 5.
Symbol 8 represents efferent.This efferent 8 forms by having the voice output 8a of power amplifier and loud speaker, the display unit 8b with the display unit of liquid crystal display etc.Voice output 8a carries out amplification output sound to the voice signal of the voice signal from Navigation Control portion 3 (such as, guiding voice etc.), recording medium broadcasting portion 4 or tuner (broadcast reception portion) 5.Indication device 8b by the map image from Navigation Control portion 3 output and guidance information (such as, represent the mark of the direction that vehicle should be advanced), from the map information of recording medium broadcasting portion 4 or tuner 5, be presented on picture.
Symbol 9 represents in order to obtain the console switch group of user's various indications.Such as, this console switch group 9 is arranged on touch-screen on the display surface of display unit 8b, mechanical key around of the picture that is arranged on display unit 8b or there is the remote controller etc. of a plurality of buttons.User operates this console switch group 9 and can carry out from the switching of reduced scale of map picture of Navigation Control portion 3 outputs, the various operations of the selection of the receive frequency (channel) of the selection of broadcast source, tuner 5 etc.
Symbol 7 represents the system controller consisting of CPU.This system controller 7 is selected signal to broadcast source selector 6 output broadcast source, and broadcast source selector 6 selects signal to switch the broadcast source that (selection) exports to efferent 8 according to this broadcast source.This system controller 7 can be realized the function of broadcast source detection unit of the present invention, and this broadcast source detection unit is judged the broadcast source of broadcast source selector 6 current selections.In addition, the TOC that system controller 7 records from the recording medium of playing in printing medium broadcasting portion 4 (Table Of Contents: catalogue) information etc., a plurality of data (melody, Image Data) of detection record on this recording medium reproduction time separately, and, the reproduction time of this system controller 7 based on detected data, be extracted in vehicle that aftermentioned calculates in Navigation Control portion 3 (by Time Calculation portion) by broadcast reception the needed data that can finish in by the time in bad interval, and the data that extract are play in indication.Therefore, system controller 7 can be realized the function of reproduction time test section of the present invention, data extraction unit and Play Control portion.
The action > of II< vehicle carried electronic machine
The action of the vehicle carried electronic machine of present embodiment is described with reference to Fig. 2 below.The action of vehicle carried electronic machine when vehicle travels to position C2 by the bad interval of broadcast reception from position C1 especially, in present embodiment, is described as shown in Figure 7.
Fig. 2 is the flow chart of action that roughly represents the vehicle carried electronic machine of present embodiment.In addition, for the ease of description of the present embodiment, below, the symbol for step [S] of various processing is represented, such as, step 1 is expressed as to S1.
S1 is the treatment step that detects the bad interval of broadcast reception, and this treatment step is whether the place ahead of detecting on the road of at Vehicle Driving Cycle has the bad interval of broadcast reception.
S2 calculates by the treatment step of time, and this treatment step calculates vehicle to be passed through in the detected broadcast reception of the above-mentioned S1 needed time of bad interval.
S3 is the treatment step that extracts played data, and this treatment step is extracted in that S2 calculates passes through the data that can finish in the time.
S4 is the treatment step of judging broadcast source, and this treatment step is judged the current broadcast source of selecting.
S5 detects the treatment step entering, and this treatment step detects vehicle and enters in the bad interval of the detected broadcast reception of S1.
S6 is the treatment step of Play Control, when vehicle enters the bad interval of the broadcast reception detecting at S1, and the broadcast source that control can be exported.
S7 detects the treatment step leaving, and this treatment step detects vehicle and leaves in the bad interval of the detected broadcast reception of S1.
S8 is the treatment step that restores broadcast source, when vehicle leaves the bad interval of the broadcast reception detecting at S1, and the broadcast source that control can be exported.
In the treatment step of above-mentioned S1～S8, judge that the opportunity of the treatment S 4 of broadcast source can be before any one step of S1～S3 or before S6.
Below, with reference to each accompanying drawing, describe the processing of each above-mentioned step in detail.In addition, in the present embodiment, the situation that is only CD broadcast unit 4a to recording medium broadcasting portion 4 is illustrated.
<S1: the treatment step > that detects the bad interval of broadcast reception
Below, with reference to Fig. 3, describe the processing in the bad interval of above-mentioned detection broadcast reception in detail.
<S301>:vehicle location test section 2 calculates the current location of vehicle, and the Navigation Control portion 3 that the current location information of calculating is exported to back segment.
<S302>:the road link that vehicle is travelling, according to being recorded in the map datum (road data) of HDD1 and the current location information calculating at S301, detects in Navigation Control portion 3.
<S303>:navigation Control portion 3, from map datum, read the above-mentioned identification parameter information that whether has the bad interval of broadcast reception the road link that S302 detects that is illustrated in, according to this identification parameter information, detect on the road that vehicle travelling whether have the bad interval of broadcast reception.In the road link of travelling, there is broadcast reception bad when interval (S303:YES) detecting, enter S304.In the road link of travelling, there is no that broadcast reception is bad returns to S301 when interval (S303:NO) detecting, calculate the current location of vehicle.
<S304>:the direct of travel of the current location information that Navigation Control portion 3 bases are calculated at S301, the vehicle that vehicle location test section 2 detects and map datum (position data of the entrance outlet in the bad interval of broadcast reception), detect the place ahead (travel direction) whether the bad interval of broadcast reception detecting at S303 is positioned at current location.Detect while having the bad interval of broadcast reception in the place ahead of current location (S304:YES), enter S2.Detect the bad interval of broadcast reception when the rear of current location (opposite direction of travel direction) (S304:NO), return to the current location that S301 calculates vehicle.
<S2: calculate by the treatment step > of time
In the S2 of Fig. 2, the output gap of the vehicle speed pulse of the vehicle that Navigation Control portion 3 detects according to self-support boat method transducer 2b, the current driving speed of calculating vehicle.Further, Navigation Control portion 3 calculate apart from the current point in time stipulated time (such as, 300 seconds) before during in average overall travel speed.In addition, according to the bad length of an interval degree of broadcast reception in the average overall travel speed calculating and the place ahead that is positioned at vehicle of detecting at S1 (distance on the road between the entrance and exit in the bad interval of broadcast reception of HDD1 storage), calculate by needed the passing through the time in the bad interval of broadcast reception detecting at S1.In present embodiment, suppose the processing by the time calculates by the calculating at S2 the bad interval of broadcast reception needed by the time be 10 minutes.Navigation Control portion 3 can set the error time of the time of passing through calculating.Such as, error time is set ± 20 seconds for to (approximately 3%), the above-mentioned scope by the time is 9 minutes 40 seconds～10 minutes and 20 seconds.
In addition, above-mentioned by the time, outside calculating according to above-mentioned average overall travel speed, the travel speed that also can enter the vehicle of (before the stipulated time) before the bad interval of broadcast reception according to vehicle is calculated.
<S3: the treatment step > that extracts played data
System controller 7 is extracted in that S2 calculates passes through the data that can finish in the time.Fig. 4 means the flow chart of the processing of extracting played data.
<S401>:system controller 7 sends and represents to detect the order at the reproduction time of each data of recording medium recording to recording medium broadcasting portion 4, and the reproduction time that mentioned order detects each data is replied by recording medium broadcasting portion 4.At this, when recording medium is CD, the boot section (inner circumferential side of CD) of CD broadcast unit 4a login CD can be from TOC (the Table Of Contents: catalogue) information detects the reproduction time of each data (melody) that record at this CD of this CD.Fig. 5 means the figure of a part for this TOC information.Shown in Fig. 5 1.～symbol is 8. the symbol of giving for convenience of description, in order to identify each data (melody).
<S402>:below, system controller 7 is according to the reproduction time of the time of passing through calculating at S2 and each data (melody), the data that extraction can finish within by the time (melody).Now, system controller 7 extracts data (melody) that can finish within by the time, the set that is also extracted in identical a plurality of data (melody) of passing through to finish in the time.At this, as the extracting rule (algorithm) of data, preferred, can be set as from the set of one or more data by finishing in the time, extract and by the difference data little, defined amount (regulation group number) of time.In present embodiment, said extracted rule is set as extracting the data of three (three groups), supposing the system controller 7 from shown in Fig. 5 1.～data (melody) 8., extract in 9 minutes 40 seconds～10 minutes and 20 seconds (above-mentioned passing through the time), can finish 7., 1.+6., 2.+6. these data of three groups.
<S403>:below, system controller 7, according to the rule that determines played data, determines the played data of (a group).This rule is, such as, a) high priority data, b) set of a plurality of data is preferential, c) and the rule (algorithm) of the prior regulation of one group of high priority data of the above-mentioned poor minimum by the time etc.In present embodiment, if allow a high priority data according to above-mentioned rule a), data 7. in Fig. 5 are as played data, if according to above-mentioned b) rule make the set of a plurality of data preferential, Fig. 5 1.+6., 2.+in 6. one group is at random as played data.In addition, in above-mentioned rule (algorithm), when S402 has extracted data that a plurality of reproduction times the are identical set of data (or) etc., can further consider that other information decides played data.Such as, while comprising as the additional information of each data the preference degree (fancy grade to melody) that represents user, by the high high priority data of this preference degree.In addition, the data of many groups that extract can be presented on display unit 8b in S402, user's operating operation switch group 9 is selected one group of data from these data of many groups.In present embodiment, suppose to determine using data (in Fig. 5 7.) as played data according to above-mentioned rule a).
At S403, determine played data, enter S4.
<S4: the treatment step > that judges broadcast source
System controller 7 is judged the broadcast source of broadcast source selector 6 current selections (exporting from efferent 8).Fig. 6 means the figure of the example that the data of broadcast source selection signal form.Broadcast source selects signal to consist of the data of broadcast source port address, connection identifier, selection sign etc.According to this broadcast source port address, can identify the connectivity port that is connected respectively to broadcast source selector 6 of the various broadcast units, Navigation Control portion 3 (not representing at Fig. 6) etc. of tuner 5, recording medium broadcasting portion 4.This connection identifier represents whether the broadcast source of corresponding above-mentioned broadcast source port address is connecting with broadcast source selector 6.This selection sign represents that current which broadcast source is being selected.The selection sign that system controller 7 can be identified is wherein judged the broadcast source controller 6 current broadcast source of selecting.
System controller 7 judges that the broadcast source of broadcast source selector 6 current selections is one of broadcast units in recording medium broadcasting portion 4, and efferent 8 is exporting in the situation that the broadcast information recording on recording medium (data), allow this broadcast information continue output, return to the processing in the bad interval of detection broadcast reception of S1.On the other hand, judge that the broadcast source of broadcast source selector 6 current selections is tuners 5, efferent 8 is being exported in the situation of broadcast program, enters following S5.
In addition, carry out the opportunity of the processing of above-mentioned S4, before as above-mentioned can being any one processing of S1～S3, before also can being the processing of aftermentioned S6.In addition, if carried out before the processing of above-mentioned S1, the broadcast source that the result of S4 is judged to be the 6 current selections of broadcast source selector is one of broadcast unit of recording medium broadcasting portion 4, in the situation that the broadcast information recording on recording medium (data) is from efferent 8 outputs, there is no need afterwards to carry out the processing of above-mentioned S1～S3.Therefore, preferred, execution opportunity of the processing of above-mentioned S4 is before the processing of above-mentioned S1.
<S5: detect the treatment step > entering
The result of above-mentioned S4 is for judging that the broadcast source of broadcast source selector 6 current selections is tuners 5, efferent 8 is being exported in the situation of broadcast program, then, current location and the direct of travel of the vehicle that Navigation Control portion 3 is calculated based on vehicle location test section 2, be included in the position data of the entrance in the bad interval of broadcast reception in map datum, detect vehicle and whether enter in the bad interval of the detected broadcast reception of S1.If vehicle detected, enter the bad interval of broadcast reception, Navigation Control portion 3 sends to system controller 7 information that vehicle has entered the bad interval of broadcast reception, then enters S6 below.
<S6: the treatment step > of Play Control
At S5, vehicle being detected, to have entered broadcast reception bad when interval, systems control division 7 sends to broadcast source selector 6 and recording medium broadcasting portion 4 the broadcasting indicator of playing the data (Fig. 5 7.) that extract at S3, and broadcast source selector 6 switches (selection) to the broadcast unit (being CD broadcast unit in present embodiment) that can play the recording medium that records the data that extract at above-mentioned S3 based on this play instruction by broadcast source.Then, this broadcast unit 4a starts to play the data (Fig. 5 7.) that extract at S3, efferent 8 output broadcast information.
<S7: detect the treatment step > leaving
Afterwards, the current location of the vehicle that Navigation Control portion 3 is calculated based on vehicle location test section 2, be included in the position data of the outlet in the bad interval of broadcast reception in map datum, detect vehicle and whether leave in the bad interval of the detected broadcast reception of S1.If vehicle detected, leave the bad interval of broadcast reception, Navigation Control portion 3 sends and represents that vehicle leaves the leave message in the bad interval of broadcast reception to system controller 7.
<S8: the treatment step > that restores broadcast source
When system controller 7 receives above-mentioned leave message from Navigation Control portion 3, to the recording medium broadcasting portion 4 (CD broadcast unit 4a) of broadcast source selector 6 current selections, send the signal whether data (Fig. 5 7.) confirming to start to play at above-mentioned S6 finish.This signal is replied by recording medium broadcasting portion 4, checks whether above-mentioned data finish, and its result is sent to system controller 7.
It is in recording medium broadcasting portion 4 (CD broadcast unit 4a) situation that above-mentioned data (Fig. 5 7.) are finished that system controller 7 identifies the above results, system controller 7 sends broadcast source switching command to broadcast source selector 6, and this broadcast source switching command means that the broadcast source that broadcast source selector 6 is being selected is from recording medium broadcasting portion 4 (CD broadcast unit 4a) switching (selection) to the instruction that enters the meaning of the tuner 5 of selecting the bad interval of broadcast reception.Broadcast source selector 6 receives this instruction, allows broadcast source reset into tuner 5.
Here, system controller 7, in the processing of above-mentioned S3, because selected vehicle by broadcast reception bad interval needed by the time can in the data (Fig. 5 7.) that finish, conventionally at vehicle, leaving moment in the bad interval of broadcast reception can be complete by this data playback.; the travel speed of vehicle is not limited to fixed value; also there are the current travel speed of the vehicle calculating at S2 or the situation that average overall travel speed changes; so have the moment of leaving the bad interval of broadcast reception at vehicle, the situation that the above-mentioned data that recording medium broadcasting portion 4 plays do not finish.Now, system controller 7 does not send broadcast source switching command to broadcast source selector 6, until recording medium broadcasting portion 4 just sends while finishing the data that extract at S3, identifying recording medium broadcasting portion 4 by the complete moment of data playback afterwards, by broadcast source selector 6, the broadcast source of current selection is being switched to (selection) to tuner 5 from recording medium broadcasting portion 4 (CD broadcast unit 4a).Therefore,, even if leave the moment in the bad interval of broadcast reception at vehicle, even if recording medium broadcasting portion 4 does not finish in the situation of above-mentioned data, these data are not interrupted in broadcasting midway yet.
Above, by present embodiment, describe this invention in detail, still, scope of the present invention is not limited at the concrete example representing of above-mentioned execution mode, does not depart from of the present inventionly to want the change of the above-mentioned execution mode of point range to be all contained in scope of the present invention.
Claims (6)
1. a vehicle carried electronic machine, has:
Broadcast reception portion, receives broadcasting wave;
Recording medium broadcasting portion, plays recording medium;
Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcasting portion to play;
Selection portion selects a broadcast source to export from described efferent in described broadcast program and described broadcast information;
Broadcast source detection unit, judges the broadcast source of current selection according to described selection portion;
Reproduction time test section, a plurality of data of detection record on described recording medium reproduction time separately;
Vehicle location test section, the current location of detection vehicle;
Map datum storage part, store map data, this map datum at least contains the information in road information and the bad interval of broadcast reception;
It is characterized in that also having:
The bad interval test section of broadcast reception, the current location and the described map datum that according to described vehicle location test section, detect, whether the place ahead of detecting on the road travelling at vehicle has the bad interval of described broadcast reception;
By Time Calculation portion, when detecting, the bad interval test section of described broadcast reception in described the place ahead, have described broadcast reception bad when interval, calculate vehicle by the needed time of the bad interval of this broadcast reception;
Data extraction unit, the reproduction time detecting based on described reproduction time test section, is extracted in the data that can finish in the described time calculating by Time Calculation portion;
Enter test section, detect vehicle and enter the bad interval of described broadcast reception;
Play Control portion, at the described test section that enters, vehicle detected to enter described broadcast reception bad when interval, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast information, allow this broadcast information continue output, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast program, control described selection portion by switching to described broadcast information from the broadcast source of described efferent output, export the data that described data extraction unit is extracted;
Leave test section, detect vehicle and leave from the bad interval of described broadcast reception,
When vehicle enters the bad interval of described broadcast reception, described Play Control portion control described selection portion by from the broadcast source of described efferent output from broadcast program switches to described broadcast information, when described when leaving test section and vehicle being detected and leave from the bad interval of described broadcast reception, described Play Control portion again controls described selection portion the broadcast source of described efferent output is turned back to described broadcast program from described broadcast information.
2. vehicle carried electronic machine according to claim 1, is characterized in that: the bad interval of described broadcast reception is at least one between Close Tunnel, between block, building, in intermountain interval.
3. vehicle carried electronic machine according to claim 1, it is characterized in that: described by Time Calculation portion, according to the travel speed of the bad length of an interval degree of the described broadcast reception on road and vehicle, calculate vehicle by the needed time of the bad interval of described broadcast reception.
4. vehicle carried electronic machine according to claim 1, is characterized in that: the data that described data extraction unit is extracted are the data that can finish within the described time of calculating by Time Calculation portion or the set of a plurality of data.
5. vehicle carried electronic machine according to claim 1, it is characterized in that: at the described test section that leaves, vehicle detected and leave the bad interval of described broadcast reception, the data that described data extraction unit is extracted are still in the situation that continuing to play, after this data playback, described Play Control portion controls described selection portion again will turn back to described broadcast program from described broadcast information from the broadcast source of described efferent output.
6. an information output method for vehicle carried electronic machine, above-mentioned vehicle carried electronic machine, has:
Broadcast reception portion, receives broadcasting wave;
Recording medium broadcasting portion, plays recording medium;
Efferent, the broadcast information of selecting broadcast program that the described broadcast reception of output portion receives, described recording medium broadcasting portion to play;
Selection portion, selects a broadcast source to export from described efferent at described broadcast program and described broadcast information;
Broadcast source detection unit, judges the broadcast source of current selection according to described selection portion;
Reproduction time test section, a plurality of data of detection record on described recording medium reproduction time separately;
Vehicle location test section, the current location of detection vehicle;
Map datum storage part, store map data, this map datum at least contains road information and the bad block information of broadcast reception;
The information output method of above-mentioned vehicle carried electronic machine is characterised in that to have:
The bad interval detecting step of broadcast reception, the current location and the described map datum that according to described vehicle location test section, detect, whether the place ahead of detecting on the road travelling at vehicle has the bad interval of described broadcast reception;
By Time Calculation step, the bad interval test section of described broadcast reception detects while having the bad interval of described broadcast reception in described the place ahead, calculates vehicle by the needed time of the bad interval of this broadcast reception;
Data extraction step, based on the detected reproduction time of described reproduction time test section, is extracted in the data that can finish in the described time calculating by Time Calculation step;
Enter detecting step, detect vehicle and enter the bad interval of described broadcast reception;
Play Control step, at the described detecting step that enters, vehicle detected to enter described broadcast reception bad when interval, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast information, allow this broadcast information continue output, when described broadcast source detection unit, judging the broadcast source of current selection is in the situation of described broadcast program, control described selection portion by switching to described broadcast information from the broadcast source of described efferent output, export the data that described data extraction unit is extracted;
Leave detecting step, detect vehicle and leave from the bad interval of described broadcast reception,
When vehicle enters the bad interval of described broadcast reception, described Play Control portion control described selection portion by from the broadcast source of described efferent output from broadcast program switches to described broadcast information, when described when leaving test section and vehicle being detected and leave from the bad interval of described broadcast reception, described Play Control portion again controls described selection portion the broadcast source of described efferent output is turned back to described broadcast program from described broadcast information.
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| CN201010003853.2A CN102122999B (en) | 2010-01-08 | 2010-01-08 | Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010003853.2A CN102122999B (en) | 2010-01-08 | 2010-01-08 | Vehicle-mounted electronic machine and information output method for vehicle-mounted electronic machine |
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| CN102122999A CN102122999A (en) | 2011-07-13 |
| CN102122999B true CN102122999B (en) | 2014-11-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1243387A (en) * | 1998-07-24 | 2000-02-02 | 日本东芝视频产品株式会社 | Recorder for recording broadcasting signals |
| CN1882051A (en) * | 2005-06-13 | 2006-12-20 | 株式会社查纳位资讯情报 | Vehicular information providing device |
| CN101464153A (en) * | 2007-12-17 | 2009-06-24 | 阿尔派电子（中国）有限公司 | Navigation apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3038317B2 (en) * | 1996-12-03 | 2000-05-08 | 日立電子サービス株式会社 | Auto selector for car audio |
| WO2009084089A1 (en) * | 2007-12-27 | 2009-07-09 | Pioneer Corporation | Reception device, reception control method, reception control program and recording medium |
-
2010
- 2010-01-08 CN CN201010003853.2A patent/CN102122999B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1243387A (en) * | 1998-07-24 | 2000-02-02 | 日本东芝视频产品株式会社 | Recorder for recording broadcasting signals |
| CN1882051A (en) * | 2005-06-13 | 2006-12-20 | 株式会社查纳位资讯情报 | Vehicular information providing device |
| CN101464153A (en) * | 2007-12-17 | 2009-06-24 | 阿尔派电子（中国）有限公司 | Navigation apparatus |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-163911A 1998.06.19 * |
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