CN102202082A - Vehicle-mounted communication system and method - Google Patents
Vehicle-mounted communication system and method Download PDFInfo
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- CN102202082A CN102202082A CN2011100626384A CN201110062638A CN102202082A CN 102202082 A CN102202082 A CN 102202082A CN 2011100626384 A CN2011100626384 A CN 2011100626384A CN 201110062638 A CN201110062638 A CN 201110062638A CN 102202082 A CN102202082 A CN 102202082A
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Abstract
The invention discloses a vehicle-mounted communication system and a vehicle-mounted communication method, and relates to a vehicle-mounted service technology. The problem that a user can normally acquire vehicle-mounted services cannot be ensured is solved. As long as the user presses down a start key of a key type control device on a fixed component of a vehicle, terminal equipment can be connected with a cloud computing platform server of a network side and a server for providing value-added services by the key type control device through a vehicle-mounted communication device in an access mode of a target network selected by the vehicle-mounted communication device, and the value-added services are acquired in a voice control mode, so that the purpose of ensuring that the terminal equipment is reliably connected with the cloud computing platform server of the network side and the server for providing the value-added services is fulfilled, the user can normally acquire the vehicle-mounted services is further ensured, and the service experience of the user on the vehicle-mounted services is improved. The technical scheme provided by the embodiment can be applied in traffic tools such as automobiles and the like.
Description
Technical field
The present invention relates to vehicle-mounted service technology, relate in particular to a kind of Vehicular communication system and method.
Background technology
Current, mobile network's development is very fast, can allow the people more abundanter information of acquisition and service in moving based on mobile network's application.Vehicle-mounted service is exactly a kind of vehicular applications based on mobile communications network, the user can be by being arranged on the mobile unit on the vehicle, obtains such as vehicle location running line inquiry from the service provider of network side, play audio-visual video, a series of vehicle-mounted services such as broadcast listening program.
Yet, in the prior art, mobile unit generally is that the access network that provides by mobile operator and the service provider of network side carry out information interaction, obtain the vehicle-mounted service that the service provider provides, for example: SIM card is installed on mobile unit, mobile unit communicates by SIM card access network and service provider, when access network poor signal that mobile operator provides, mobile unit possibly can't access network, and then can't communicate with the service provider, obtain vehicle-mounted service.
Simultaneously, along with all there are the WIFI focus in the popularizing of existing LAN, the maturation of WIFI/WLAN technology and a lot of places in the city proper, and be free use mostly, and existing mobile unit does not possess this 26S Proteasome Structure and Function by this free LAN of acquisition, make it can't pass through the Free Internet Access of WLAN interface, the inconvenience that causes the user to use.
Summary of the invention
For solving the inconvenience of above-mentioned use; embodiments of the invention provide a kind of Vehicular communication system and method; can guarantee that the user normally obtains vehicle-mounted service; improve user's vehicle-mounted service experience; and this Vehicular communication system and device further comprise the cloud computing platform server; and communicate, and finish the mutual of various control commands by the terminal equipment in voice conversation mode and Vehicular communication system and the device.
A kind of Vehicular communication system is characterized in that, comprising: one-touch control device, terminal equipment, vehicular communication unit, cloud computing platform server and the value-added server that provides value added service;
Described one-touch control device, be installed on the fixed part of vehicle, be used for after the user presses start key, connect, drive described terminal equipment and described vehicular communication unit connects by direct or short haul connection mode and described terminal equipment;
Described terminal equipment, after being used for connecting with described one-touch control device, connect by direct or short haul connection mode and described vehicular communication unit, receive first information of voice prompt that described vehicular communication unit is transmitted, play this first information of voice prompt to the user, receive the voice command of described user according to the startup value-added service of described first information of voice prompt transmission, and the voice command that will start value-added service sends to described vehicular communication unit, receive the value-added service voice directive command that described user sends, and this value-added service voice directive command sent to described vehicular communication unit, receive the value-added service control information that described vehicular communication unit is transmitted, start corresponding value-added service according to this value-added service control information, by described vehicular communication unit with provide the value-added server of described value-added service to connect, from this value-added server, obtain concrete value-added service;
Described vehicular communication unit, after being used for connecting with described terminal equipment, carry out web search, obtain more than one network access modes, from described more than one network access modes, obtain the objective network access way, adopt this objective network access way and described cloud computing platform server to connect, receive first information of voice prompt that described cloud computing platform server sends, this first information of voice prompt is transmitted to described terminal equipment, receive the voice command of the startup value-added service of described terminal equipment transmission, the voice command of this startup value-added service is transmitted to described cloud computing platform server, receive the value-added service control information that described cloud computing platform server sends, described value-added service control information is transmitted to described terminal equipment, when terminal equipment starts corresponding value-added service according to described value-added service control information, adopt described objective network access way and provide the value-added server of described value-added service to connect;
Described cloud computing platform server, comprise the unspecified person sound identification module, described cloud computing platform server is used for sending described first information of voice prompt to described vehicular communication unit, described first information of voice prompt is used to indicate the user to import the value-added service type, receive the voice command of the startup value-added service of described vehicular communication unit forwarding, by described unspecified person sound identification module the voice command of described startup value-added service is resolved, obtain and start the value-added service order, start the value-added service order according to this and start corresponding value-added service, receive the value-added service voice directive command that described vehicular communication unit is transmitted, by described unspecified person sound identification module described value-added service voice directive command is resolved, obtain the relevant indication information of described value-added service, the indication information relevant according to described value-added service generates the value-added service control information, and the mode that adopts note to issue or set up the mobile data passage sends to described vehicular communication unit with this value-added service control information.
On the other hand, provide a kind of vehicle-mounted communication method, having comprised:
Press the user after the start key of one-touch control device, described one-touch control device connects by direct or short haul connection mode and terminal equipment, and wherein, described one-touch control device is arranged on the fixed part of vehicle;
Described terminal equipment connects by direct or short haul connection mode and vehicular communication unit;
Described vehicular communication unit carries out web search, obtains more than one network access modes, obtains the objective network access way from described more than one network access modes, adopts this objective network access way and cloud computing platform server to connect;
Described cloud computing platform server sends first information of voice prompt by described vehicular communication unit to described terminal equipment, and described first information of voice prompt is used to indicate described user to import the value-added service type;
Described terminal equipment is play described first information of voice prompt to described user, receive the voice command of the startup value-added service that described user sends according to described first information of voice prompt, and the voice command that will start value-added service sends to described cloud computing platform server by described vehicular communication unit;
Described cloud computing platform server adopts the unspecified person speech recognition technology that the voice command of described startup value-added service is resolved, obtain and start the value-added service order, start value-added service order according to this and start corresponding value-added server, described value-added server is used to the value-added service that provides concrete;
Described terminal equipment receives the value-added service voice directive command that described user sends, and this value-added service voice directive command is sent to described cloud computing platform server by described vehicular communication unit;
Described cloud computing platform server adopts the unspecified person speech recognition technology that described value-added service voice directive command is resolved, obtain the relevant indication information of described value-added service, the indication information relevant according to described value-added service generates the value-added service control information, and the mode that adopts note to issue or set up the mobile data passage sends to described terminal equipment with this value-added service control information by described vehicular communication unit;
Described terminal equipment is by described vehicular communication equipment and provide the value-added server of described value-added service to connect, from this value-added server, obtain concrete value-added service, wherein, described vehicular communication equipment adopts described objective network access way and provides the value-added server of described value-added service to connect.
Vehicular communication system that the embodiment of the invention provides and method, the user only need press the start key of the one-touch control device on the fixed part of vehicle of setting, can the cloud computing platform server of terminal equipment by vehicular communication unit and network side be connected by this one-touch control device, the concrete value-added service that provides in the value-added server is provided by the voice control mode, reached and simplified the operating procedure that the user carries out vehicle-mounted service, improved the purpose of the user experience of vehicle-mounted service, realized to carry out any manual operation more basically when driving, and only controlled by voice command.Because vehicular communication unit can carry out web search, from more than one network access modes that search, choose the objective network access way, the value-added server that adopts this objective network access way and cloud computing platform server and provide value added service connects, improved that terminal equipment carries out the reliability that network is connected with the cloud computing platform server with the value-added server that provides value added service in the Vehicular communication system, solve the access network that the prior art terminal equipment can only provide by mobile operator and the server of network side and carried out information interaction, when the carrier network poor signal or when unavailable, terminal equipment can't connect with the server of network side, thereby can't obtain the problem of vehicle-mounted service.The technical scheme that the embodiment of the invention provides can guarantee the cloud computing platform server of terminal equipment and network side and the value-added server that provides value added service between normal the connection; thereby guarantee that the user normally obtains vehicle-mounted service, improve user's vehicle-mounted service experience.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The Vehicular communication system structural representation that Fig. 1 provides for the embodiment of the invention;
The vehicle-mounted communication method flow chart that Fig. 2 provides for the embodiment of the invention;
The vehicular communication unit structural representation one that Fig. 3 provides for the embodiment of the invention;
The vehicular communication unit structural representation two that Fig. 4 provides for the embodiment of the invention;
The vehicular communication unit structural representation three that Fig. 5 provides for the embodiment of the invention;
The vehicular communication unit structural representation four that Fig. 6 provides for the embodiment of the invention;
The vehicular communication unit structural representation five that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Can't guarantee that in order to solve prior art the user can normally obtain the problem of vehicle-mounted service, the embodiment of the invention provides a kind of Vehicular communication system and method.
As shown in Figure 1, the Vehicular communication system that the embodiment of the invention provides comprises: one-touch control device 101, terminal equipment 102, vehicular communication unit 103, cloud computing platform server 104 and the value-added server (not shown in figure 1) that provides value added service;
Wherein, one-touch control device 101 is installed on the fixed part of vehicle, is used for after the user presses start key, connect by direct or short haul connection mode and terminal equipment 102, drive terminal equipment 102 and connect with vehicular communication unit 103;
Operate for the ease of the user, as preferred embodiment, the fixed part of vehicle is specially steering wheel, yet, in the use of reality, the present invention does not do qualification to the fixed part of vehicle, and the fixed part of vehicle can also not given unnecessary details for other are convenient to the parts that the user touches on the vehicle herein one by one.
In the present embodiment, terminal equipment can be car-mounted terminal, mobile phone, portable computer, game machine or PDA etc., in the use of reality, terminal equipment can also can carry out wireless or wire communication for other, and has the equipment that obtains the value-added service ability.
In the present embodiment, the short haul connection mode can be WiFi, WiMax, bluetooth, infrared and other privately owned wireless protocols.
Wherein, above-mentioned concrete value-added service can include but not limited to navigation Service and look voice playing service etc.If value-added service is a navigation Service, value-added service voice directive command is specially the voice directive command of purpose navigation address; If value-added service is for looking the voice playing service, value-added service voice directive command is specially and comprises the voice directive command that purpose is looked audio description information, for example: the voice indication information that comprises song or video frequency program title, perhaps comprise the voice indication information of singer's name etc., do not give unnecessary details one by one herein.
In the present embodiment, terminal equipment 102 and vehicular communication unit 103 connect used directly or the short haul connection mode comprise following any one or combination: WiFi, bluetooth, infrared, wired or USB etc.
Cloud computing platform server 104, comprise the unspecified person sound identification module, cloud computing platform server 104 is used for sending first information of voice prompt to vehicular communication unit 103, first information of voice prompt is used to indicate the user to import the value-added service type, receive the voice command of the startup value-added service of vehicular communication unit 103 forwardings, by the unspecified person sound identification module voice command that starts value-added service is resolved, obtain and start the value-added service order, start the value-added service order according to this and start corresponding value-added service, receive the value-added service voice directive command that vehicular communication unit 103 is transmitted, by the unspecified person sound identification module value-added service voice directive command is resolved, obtain the relevant indication information of value-added service, the indication information relevant according to value-added service generates the value-added service control information, and the mode that adopts note to issue or set up the mobile data passage sends to vehicular communication unit 103 with this value-added service control information.
Further, vehicular communication unit 103 specifically can be used to receive the network access mode indication information that the user sends, and obtains the objective network access way according to the network access mode indication information from more than one network access modes.
Particularly, vehicular communication unit 103 can comprise the demonstration touch screen, when searching more than one network access modes, the network access mode that searches is presented on the display screen with the form of tabulating, receive the user by the network access mode indication information that network access mode corresponding on the touch display screen curtain triggers, obtain the objective network access way according to this network access mode indication information; Vehicular communication unit 103 also can comprise speech play and typing unit, when searching more than one network access modes, the network access mode that searches is played to the user by speech play and typing unit, and receive the network access mode indication information of user with the speech form transmission by this speech play and typing unit, obtain the objective network access way according to this network access mode indication information; Vehicular communication unit 103 can also receive the user by the network access mode indication information that terminal equipment 102 sends, and obtains the objective network access way according to this network access mode indication information.
The technical scheme that the embodiment of the invention provides does not limit the specific implementation that vehicular communication unit 103 receives the network access mode indication information that users send, in the use of reality, vehicular communication unit 103 can also receive the network access mode indication information that the user sends by other modes, does not give unnecessary details one by one herein.
Perhaps, vehicular communication unit 103 specifically can be used for obtaining respectively the signal strength signal intensity of more than one network access modes, obtains the objective network access way according to signal strength signal intensity from described more than one network access modes;
Perhaps, vehicular communication unit 103 specifically can be used for obtaining the objective network access way according to the network insertion strategy that sets in advance from more than one network access modes.
In the present embodiment, the network insertion strategy can be the network access mode of vehicular communication unit 103 acquiescences, as being set to acquiescence access mobile operator network by the network insertion strategy, when then vehicular communication unit 103 searches the mobile operator network access mode, can be according to this network insertion strategy since being linked into the mobile operator network; The network insertion strategy also can be the network insertion condition, as the network access mode access network that can the network insertion strategy be set to adopt first to search, when then vehicular communication unit 103 searches more than one network access modes, can obtain first network access mode that searches as the objective network access way according to this network insertion strategy.Certainly, in the use of reality, can also be set to other forms by the network insertion strategy, not give unnecessary details one by one herein.
In the present embodiment, for reliable connection the between the cloud computing platform server 104 that further guarantees terminal equipment 102 and network side and the value-added server that provides value added service, vehicular communication unit 103, can also be used for periodically detecting the signal strength signal intensity of objective network access way, if the signal strength signal intensity of objective network access way is less than the signal strength threshold that sets in advance, again choose new objective network access way, and adopt new objective network access way and cloud computing platform server 104 and the value-added server that provides value added service connects.
The Vehicular communication system that the embodiment of the invention provides, the user only need press the start key of the one-touch control device on the fixed part of vehicle of setting, can the cloud computing platform server of terminal equipment by vehicular communication unit and network side be connected by this one-touch control device, obtain value-added service by the voice control mode, reached and simplified the operating procedure that the user carries out vehicle-mounted service, improved the purpose of the user experience of vehicle-mounted service, realized to carry out any manual operation more basically when driving, and only controlled by voice command.Because vehicular communication unit can carry out web search, from more than one network access modes that search, choose the objective network access way, the server that adopts this objective network access way and cloud computing platform server and provide value added service connects, improved that terminal equipment carries out the reliability that network is connected with the cloud computing platform server with the server that provides value added service in the Vehicular communication system, solve the access network that the prior art terminal equipment can only provide by mobile operator and the server of network side and carried out information interaction, when the carrier network poor signal or when unavailable, terminal equipment can't connect with the server of network side, thereby can't obtain the problem of vehicle-mounted service.The technical scheme that the embodiment of the invention provides can guarantee the cloud computing platform server of terminal equipment and network side and the server that provides value added service between normal the connection; thereby guarantee that the user normally obtains vehicle-mounted service, improve user's vehicle-mounted service experience.
Further, in the present embodiment, store multiple wide spectrum phonetic feature storehouse on the cloud computing platform server 104 in advance, for example: the wide spectrum phonetic feature storehouse that is provided with according to place name, wide spectrum phonetic feature storehouse that is provided with according to the audio frequency and video title and the wide spectrum phonetic feature storehouse that is provided with according to name etc.The unspecified person sound identification module specifically is used for the voice command that starts value-added service is resolved, extract the first phonetic feature information, according to this first phonetic feature information searching, first wide spectrum phonetic feature storehouse, obtain the startup value-added service order corresponding with this first phonetic feature information; And, specifically be used for value-added service voice directive command is resolved, extract the second phonetic feature information,, obtain the value-added service relevant indication information corresponding with this second phonetic feature information according to this second phonetic feature information searching, second wide spectrum phonetic feature storehouse.
Wherein, have the first wide spectrum phonetic feature information corresponding in the described first wide spectrum phonetic feature storehouse, have the second wide spectrum phonetic feature information corresponding in the described second wide spectrum phonetic feature storehouse with the affiliated second phonetic feature information with the affiliated first phonetic feature information.
Wherein, the above-mentioned first and second phonetic feature information comprise spectrum distribution information, time domain waveform information, speech frame short-time spectrum, formant frequency and bandwidth, nasal sound associating feature, spectrum correlated characteristic, tonality feature, power spectrum, frame energy, voice intensity and the variation track feature lamp thereof of voice command, and the other first and second phonetic feature information also can be to use the one or more combination in the above-mentioned various features information.
For example: when value-added service is navigation Service, the unspecified person sound identification module is resolved the voice command that starts navigation Service, extract the first corresponding phonetic feature information (as spectrum distribution information etc.), according to the wide spectrum phonetic feature storehouse that this first phonetic feature information searching is provided with according to the starting command keyword, the startup navigation Service order of therefrom obtaining this first phonetic feature information correspondence; The unspecified person sound identification module is resolved the voice directive command of purpose navigation address, extract the second corresponding phonetic feature information (as spectrum distribution information etc.), according to the wide spectrum phonetic feature storehouse that place name is provided with, therefrom obtain the purpose navigation address of this second phonetic feature information correspondence according to this second phonetic feature information searching.
Wherein, further, the optimal way of above-mentioned navigation Service also can be: when the user selects the value-added service of this system to be navigation Service, the user sends voice command (as " I will navigate "), the unspecified person sound identification module is resolved the voice command (as " I will navigate ") that starts navigation Service, extract the first corresponding phonetic feature information (as the spectrum distribution information of this voice command " I will navigate " etc.), according to the wide spectrum phonetic feature storehouse of this first phonetic feature information searching that extracts according to the setting of starting command keyword, from this wide spectrum phonetic feature storehouse, obtain the startup navigation Service order (as " I will navigate ") of this first phonetic feature information correspondence, thereby further start corresponding navigation Service according to this voice command (as " I will navigate ") that identifies (promptly obtaining) according to the setting of starting command keyword; After navigation Service starts, the unspecified person sound identification module is resolved the voice directive command (as " HaiLong Building ") of purpose navigation address, extract the second phonetic feature information corresponding (as spectrum distribution information etc.) with this voice directive command (as " HaiLong Building "), according to the wide spectrum phonetic feature storehouse of this second phonetic feature information searching according to the place name setting, from this wide spectrum phonetic feature storehouse, obtain the place name (as " HaiLong Building ") of this second phonetic feature information correspondence, obtain the pairing navigation of this place name address (as the address at " HaiLong Building " place) according to this place name that identifies then according to the place name setting.
And for example: when value-added service is served for looking Audio on Demand, the voice command that the unspecified person sound identification module is looked the Audio on Demand service to startup is resolved, extract the first corresponding phonetic feature information (as spectrum distribution information etc.), according to the wide spectrum phonetic feature storehouse that this first phonetic feature information searching is provided with according to the starting command keyword, the startup navigation Service order of therefrom obtaining this first phonetic feature information correspondence; The unspecified person sound identification module is looked the voice directive command of audio description information and is resolved comprising purpose, extract the second corresponding phonetic feature information (as spectrum distribution information etc.), according to looking the wide spectrum phonetic feature storehouse of audio description information setting, therefrom obtain the audio description information of looking of this second phonetic feature information correspondence according to this second phonetic feature information searching.
Wherein, further, the above-mentioned optimal way of looking Audio on Demand service service also can be: when user-selected value-added service is served for looking Audio on Demand, the user sends (as " watching video ") behind the voice command, the voice command (as " watching video ") that the unspecified person sound identification module is looked the Audio on Demand service to startup is resolved, extract with this and look the first corresponding phonetic feature information of voice command (as " watching video ") that Audio on Demand serves (as spectrum distribution information etc.), according to the wide spectrum phonetic feature storehouse of this first phonetic feature information searching according to the setting of starting command keyword, from this wide spectrum phonetic feature storehouse, obtain the startup corresponding and look Audio on Demand service command (as " watching video "), thereby start the corresponding Audio on Demand service of looking with this first phonetic feature information according to the setting of starting command keyword; After looking Audio on Demand service startup, the unspecified person sound identification module is looked the voice directive command of audio description information (as " love of thornbuss ") and is resolved comprising purpose, extract the second phonetic feature information corresponding (as spectrum distribution information etc.) with this voice directive command (as " love of thornbuss "), look the wide spectrum phonetic feature storehouse of audio description information setting according to this second phonetic feature information searching basis, from this basis is looked the wide spectrum phonetic feature storehouse of audio description information setting, obtain the audio description information of looking (as " love of thornbuss ") of this second phonetic feature information correspondence, obtain information on services pairing (as the film " love of thornbuss " that can play) then with it.
Need to prove, the wide spectrum phonetic feature storehouse that present embodiment provides is by gathering the whole of China various places, various people and these people behind the sound of (different noise background) under the varying environment, the set of the wide spectrum phonetic feature that essence extracts, this wide spectrum phonetic feature storehouse only depends on the information in existing " phonetic feature storehouse ", and does not rely on someone's phonetic feature training result.Its advantage is: the selected sample in (1) this wide spectrum phonetic feature storehouse is extensive, comprises the people's of the different regions of country variant pronunciation in the world.For example, in China, chosen the almost people's in each area, province county and town pronunciation of the whole nation, and the people of national different regions is divided into several big classes, as North China, the Northeast, language area, the south of Fujian Province, Guangdong language area etc., the said mandarin of the people of these different regions has the local dialect, its feature has nothing in common with each other, after they are sorted out respectively, the people in the area that the local dialect pronunciation is similar substantially is classified as a class, has so both considered that the completeness of sample has also been taken into account the least possible redundant information of structure database generation; (2) sound under the varying environment (noise background) or voice command have been carried out extracting its phonetic feature information, as the voice command that starts the back to be produced in automobile engine, after opening, automobile window produces the voice command that wind-dryness and tire are made an uproar down and produced, the voice command that under other people such as chip in suddenly at disturbed condition, is produced, the voice command that behind tail-off, is produced etc.; (3) this wide spectrum phonetic feature storehouse comprises mandarin feature database and the local dialect feature database, and wherein the local dialect storehouse comprises the south of Fujian Province repertorie, Guangdong language storehouse, Shanghai native language storehouse etc.
Considered at least a under the above-mentioned at least multiple situation in the above-mentioned first and/or second phonetic feature information, as people's the situation of different regions or the situation under the varying environment etc. have been considered, be the phonetic feature information that sound or voice command extracted that the above-mentioned first and/or second phonetic feature information is based on the people of different regions, or the above-mentioned first and/or second phonetic feature information is based on the people's who is under the varying environment the phonetic feature information that sound or voice command extracted.Improved discrimination like this to the user of different regions or driver's voice command.
Further, this wide spectrum phonetic feature storehouse also comprises outer repertorie, wherein should have the external language librarys of main flow such as English storehouse, method repertorie, German storehouse, day repertorie in the outer repertorie.This system also has the automatic identification module of a feature database, and its voice command analysis that is used for that the user is sent is distinguished the pairing feature database of this voice command, and selects corresponding feature database automatically.Use the language of country variant to send voice command thereby make the user to mix, these language can mix use without screening in advance, and it is Chinese or foreign language on earth that the automatic identification module of this storehouse feature database can automatically identify this voice command.
By the above-mentioned advantage of wide spectrum phonetic feature lab setting in above-mentioned cloud computing platform server of setting up is, reduced dependence to the system of terminal equipment, the collecting device of terminal equipment in face of the speaker being used as a kind of sound or voice command, the transfer of data of the sound that collects or voice command is gone identification to background server group such as cloud computing platform server, the high-performance identification that so both can bring into play under the multiserver aggregated structure is calculated, simultaneously also can use above-mentioned large-scale phonetic feature storehouse, and not need terminal equipment to possess speech recognition capabilities.
In the present embodiment, can identify 95% voice messaging by the unspecified person sound identification module, identify user's voice information in order to guarantee 100%, further improve the user experience of vehicle-mounted service, alternatively, as shown in Figure 1, cloud computing platform server 104 can also comprise unspecified person speech recognition operator attendance module, this unspecified person speech recognition operator attendance module, the unspecified person sound identification module is used for when can't be discerned the voice command that starts value-added service, voice command to this startup value-added service is discerned, obtain corresponding startup value-added service order, and/or, be used for when the unspecified person sound identification module can't be discerned value-added service voice directive command, this value-added service voice directive command is discerned, obtained the relevant indication information of described value-added service.
As shown in Figure 2, the embodiment of the invention also provides a kind of vehicle-mounted communication method, comprising:
Step 201 is pressed the user after the start key of one-touch control device, and one-touch control device connects by direct or short haul connection mode and terminal equipment, and wherein, one-touch control device is arranged on the fixed part of vehicle;
Operate for the ease of the user, as preferred embodiment, the fixed part of vehicle is specially steering wheel, yet, in the use of reality, the present invention does not do qualification to the fixed part of vehicle, and the fixed part of vehicle can also not given unnecessary details for other are convenient to the parts that the user touches on the vehicle herein one by one.
In the present embodiment, terminal equipment can be car-mounted terminal, mobile phone, portable computer, game machine or PDA etc., in the use of reality, terminal equipment can also can carry out wireless or wire communication for other, and has the equipment that obtains the value-added service ability.
In the present embodiment, the short haul connection mode can be WiFi, WiMax, bluetooth, infrared and other privately owned wireless protocols.
In the present embodiment, terminal equipment and vehicular communication unit connect used directly or the short haul connection mode comprise following any one or combination: WiFi, bluetooth, infrared, wired or USB etc.
In the present embodiment, vehicular communication unit can directly be searched for network available in the surrounding environment, obtains more than one network access modes; Vehicular communication unit also can be searched for the communication equipment with network access facility, obtain more than one network access modes that communication equipment adopted that this has network access facility, and, in follow-up network insertion process, carry out network insertion by this communication equipment.Certainly, in the use of reality, vehicular communication unit can also obtain more than one network access modes by other modes, does not give unnecessary details one by one herein.
In the present embodiment, vehicular communication unit can obtain the objective network access way by several different methods from more than one network access modes, for example: vehicular communication unit can receive the network access mode indication information that the user sends, and obtains the objective network access way according to the network access mode indication information from more than one network access modes; And for example: vehicular communication unit can obtain the signal strength signal intensity of described more than one network access modes respectively, obtains the objective network access way according to signal strength signal intensity from described more than one network access modes; For another example: vehicular communication unit can obtain the objective network access way according to the network insertion strategy that sets in advance from more than one network access modes.
For reliable connection the between the cloud computing platform server that further guarantees terminal equipment and network side and the server that provides value added service, the vehicle-mounted communication method that the embodiment of the invention provides can also comprise: vehicular communication unit periodically detects the signal strength signal intensity of objective network access way, if the signal strength signal intensity of objective network access way is less than the signal strength threshold that sets in advance, again choose new objective network access way, and adopt new objective network access way and cloud computing platform server and the server that provides value added service connects.
Further, the unspecified person speech recognition technology that uses in this vehicle-mounted communication method is resolved value-added service voice directive command, the step of obtaining the relevant indication information of value-added service can comprise: the cloud computing platform server is resolved value-added service voice directive command, extract the second phonetic feature information, according to the second phonetic feature information searching, the second wide spectrum phonetic feature storehouse, from this second wide spectrum phonetic feature storehouse, obtain the value-added service relevant indication information corresponding with the described second phonetic feature information.
Wherein, the above-mentioned first and second phonetic feature information comprise spectrum distribution information, time domain waveform information, speech frame short-time spectrum, formant frequency and bandwidth, nasal sound associating feature, spectrum correlated characteristic, tonality feature, power spectrum, frame energy, voice intensity and the variation track feature lamp thereof of voice command, and the other first and second phonetic feature information also can be to use the one or more combination in the above-mentioned various features information.
Need to prove, the wide spectrum phonetic feature storehouse that present embodiment provides is by gathering the whole of China various places, various people and these people behind the sound of (different noise background) under the varying environment, the set of the wide spectrum phonetic feature that essence extracts, this wide spectrum phonetic feature storehouse only depends on the information in existing " phonetic feature storehouse ", and does not rely on someone's phonetic feature training result.
Its advantage is: the selected sample in (1) this wide spectrum phonetic feature storehouse is extensive, comprises the people's of the different regions of country variant pronunciation in the world.For example, in China, chosen the almost people's in each area, province county and town pronunciation of the whole nation, and the people of national different regions is divided into several big classes, as North China, the Northeast, language area, the south of Fujian Province, Guangdong language area etc., the said mandarin of the people of these different regions has the local dialect, its feature has nothing in common with each other, after they are sorted out respectively, the people in the area that the local dialect pronunciation is similar substantially is classified as a class, has so both considered that the completeness of sample has also been taken into account the least possible redundant information of structure database generation; (2) sound under the varying environment (noise background) or voice command have been carried out extracting its phonetic feature information, as the voice command that starts the back to be produced in automobile engine, after opening, automobile window produces the voice command that wind-dryness and tire are made an uproar down and produced, the voice command that under other people such as chip in suddenly at disturbed condition, is produced, the voice command that behind tail-off, is produced etc.; (3) this wide spectrum phonetic feature storehouse comprises mandarin feature database and the local dialect feature database, and wherein the local dialect storehouse comprises the south of Fujian Province repertorie, Guangdong language storehouse, Shanghai native language storehouse etc.
Further, this wide spectrum phonetic feature storehouse also comprises outer repertorie, wherein should have the external language librarys of main flow such as English storehouse, method repertorie, German storehouse, day repertorie in the outer repertorie.This system also has the automatic identification module of a feature database, and its voice command analysis that is used for that the user is sent is distinguished the pairing feature database of this voice command, and selects corresponding feature database automatically.Use the language of country variant to send voice command thereby make the user to mix, these language can mix use without screening in advance, and it is Chinese or foreign language on earth that the automatic identification module of this storehouse feature database can automatically identify this voice command.
Considered at least a under the above-mentioned at least multiple situation in the above-mentioned first and/or second phonetic feature information, as people's the situation of different regions or the situation under the varying environment etc. have been considered, be the phonetic feature information that sound or voice command extracted that the above-mentioned first and/or second phonetic feature information is based on the people of different regions, or the above-mentioned first and/or second phonetic feature information is based on the people's who is under the varying environment the phonetic feature information that sound or voice command extracted.Improved discrimination like this to the user of different regions or driver's voice command.
In the present embodiment, can identify 95% voice messaging by the unspecified person speech recognition technology, identify user's voice information in order to guarantee 100%, further improve the user experience of vehicle-mounted service, alternatively, the vehicle-mounted method of servicing based on voice command control that the embodiment of the invention provides can also comprise:
When the cloud computing platform server can't be discerned the voice command of described startup value-added service by the unspecified person speech recognition technology, the cloud computing platform server is discerned the voice command of this startup value-added service by unspecified person speech recognition operator attendance module, obtain corresponding startup value-added service order, and/or
When the cloud computing platform server can't be discerned value-added service voice directive command by the unspecified person speech recognition technology, the cloud computing platform server is discerned this value-added service voice directive command by unspecified person speech recognition operator attendance module, obtains the relevant indication information of value-added service.
The Vehicular communication system that the vehicle-mounted method of servicing specific implementation based on voice command control that the embodiment of the invention provides can provide referring to the embodiment of the invention as shown in Figure 1 is described, repeats no more herein.
The vehicle-mounted communication method that the embodiment of the invention provides, the user only need press the start key of the one-touch control device on the fixed part of vehicle of setting, can the cloud computing platform server of terminal equipment by vehicular communication unit and network side be connected by this one-touch control device, obtain value-added service by the voice control mode, reached and simplified the operating procedure that the user carries out vehicle-mounted service, improved the purpose of the user experience of vehicle-mounted service, realized to carry out any manual operation more basically when driving, and only controlled by voice command.Because vehicular communication unit can carry out web search, from more than one network access modes that search, choose the objective network access way, the server that adopts this objective network access way and cloud computing platform server and provide value added service connects, improved that terminal equipment carries out the reliability that network is connected with the cloud computing platform server with the server that provides value added service in the Vehicular communication system, solve the access network that the prior art terminal equipment can only provide by mobile operator and the server of network side and carried out information interaction, when the carrier network poor signal or when unavailable, terminal equipment can't connect with the server of network side, thereby can't obtain the problem of vehicle-mounted service.The technical scheme that the embodiment of the invention provides can guarantee the cloud computing platform server of terminal equipment and network side and the server that provides value added service between normal the connection; thereby guarantee that the user normally obtains vehicle-mounted service, improve user's vehicle-mounted service experience.
Vehicular communication system that the embodiment of the invention provides and method can be applied in as in the vehicles such as automobile.
Further, followingly preferably provide a kind of concrete structure that is used for the vehicular communication unit 103 of above-mentioned Vehicular communication system and method:
Shown in Fig. 3-7, the vehicular communication unit that the embodiment of the invention provides is arranged in the above-mentioned Vehicular communication system (shown in Fig. 1), comprises first communication unit 301, second communication unit 303, search unit 302 and bus control unit (shown in Fig. 7):
First communication unit 301 connects by direct or short haul connection mode with terminal equipment;
In the present embodiment, first communication unit 301 adopt directly or the short haul connection mode can comprise following any one or combination: WiFi, bluetooth, infrared, wired or USB etc., preferably, first communication unit 301 can be a kind of or its combination in bluetooth link block illustrated in fig. 7, WiFi link block, infrared link block and the cable network module, makes this device connect by above-mentioned bluetooth, WiFi, infrared or wired access way and above-mentioned terminal equipment.
Certainly, in the use of reality, the direct or short haul connection mode that first communication unit 301 adopts can also be given unnecessary details for other situations herein no longer one by one.
Search unit (or signal search unit) 302 carries out web search, obtain more than one network access modes, from more than one network access modes, obtain the objective network access way, above-mentioned more than one network access modes are preferably WiFi module (WLAN interface), 3G module (SIM card interface) as shown in Figure 7, above-mentioned WiFi module (WLAN interface) is the WiFi on-line module with WLAN interface, and above-mentioned 3G module (SIM card interface) is the 3G on-line module with SIM card interface;
The objective network access way webserver to be communicated by letter with terminal equipment that second communication unit 303 adopts search unit (or signal search unit) 302 to obtain connects, preferably, second communication unit 303 can be WiFi module shown in Fig. 7 (WLAN interface) or 3G module (SIM card interface), makes above-mentioned terminal equipment connect and communicate by letter with the webserver in the external world by the WiFi module (WLAN interface) or the 3G module of this device;
Bus control unit is controlled above-mentioned first communication unit 301 and is connected with terminal equipment, and control search unit 302 carries out web search, and control second communication unit 303 connects with the above-mentioned webserver.
Further, as shown in Figure 3, search unit 302 can also obtain more than one network access modes of the terminal equipment employing of first communication unit, 301 connections.
Further, as shown in Figure 3, search unit 302 can also be searched for the communication equipment with network access facility, connect by first communication unit 301 and communication equipment, obtain more than one network access modes of the communication equipment employing with network access facility with network access facility.
Further, as shown in Figure 4, vehicular communication unit can also comprise:
Show that touch screen 304 shows more than one network access modes that search unit 302 obtains, receive the network access mode indication information that the user touches the network access mode generation that shows correspondence position on the touch screen 304, this network access mode indication information is sent to search unit 302;
Search unit 302 is according to showing that the network access mode indication information that touch screen 304 sends obtains the objective network access way.
Further, as shown in Figure 5, vehicular communication unit can also comprise:
More than one network access modes that search unit 302 obtains are play with speech form in voice playing and typing unit 305, receive the network access mode indication information that the user sends by voice mode, this network access mode indication information is sent to search unit 302, wherein, the network access mode indication information comprises the objective network access way that the user chooses.
Further, as shown in Figure 6, vehicular communication unit can also comprise:
Detecting unit 306 periodically detects the model intensity of the objective network access way that search unit 302 obtains, if the signal strength signal intensity of objective network access way is less than the signal strength threshold that sets in advance, indication search unit 302 is chosen new objective network access way again;
Second communication unit 303 adopts new objective network access way that search units 302 obtain and the terminal equipment webserver to be communicated by letter to rebulid to be connected.
Although known but still need give unnecessary details be, the various same or analogous structure that exists in Vehicular communication system in the foregoing description and the method with and operating procedure all be mutually to use, be that device feature in the Vehicular communication system can adopt the respective phases of operation in the vehicle-mounted communication method to operate, and the respective phases of operation in the vehicle-mounted communication method also can use the related device parts in the above-mentioned Vehicular communication system to finish.As the unspecified person phonetic feature storehouse in the Vehicular communication system, and the method step of corresponding unspecified person phonetic feature voice command recognition is corresponding mutually in the method.As a same reason, the vehicular communication unit described in Fig. 3-7 also is applicable in Vehicular communication system described in above-mentioned Fig. 1 or 2 and the method fully.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (10)
1. a Vehicular communication system is characterized in that, comprising: one-touch control device, terminal equipment, vehicular communication unit, cloud computing platform server and the value-added server that provides value added service;
Described one-touch control device, be installed on the fixed part of vehicle, be used for after the user presses start key, connect, drive described terminal equipment and described vehicular communication unit connects by direct or short haul connection mode and described terminal equipment;
Described terminal equipment, after being used for connecting with described one-touch control device, connect by direct or short haul connection mode and described vehicular communication unit, receive first information of voice prompt that described vehicular communication unit is transmitted, play this first information of voice prompt to the user, receive the voice command of described user according to the startup value-added service of described first information of voice prompt transmission, and the voice command that will start value-added service sends to described vehicular communication unit, receive the value-added service voice directive command that described user sends, and this value-added service voice directive command sent to described vehicular communication unit, receive the value-added service control information that described vehicular communication unit is transmitted, start corresponding value-added service according to this value-added service control information, by described vehicular communication unit with provide the value-added server of described value-added service to connect, from this value-added server, obtain concrete value-added service;
Described vehicular communication unit, after being used for connecting with described terminal equipment, carry out web search, obtain more than one network access modes, from described more than one network access modes, obtain the objective network access way, adopt this objective network access way and described cloud computing platform server to connect, receive first information of voice prompt that described cloud computing platform server sends, this first information of voice prompt is transmitted to described terminal equipment, receive the voice command of the startup value-added service of described terminal equipment transmission, the voice command of this startup value-added service is transmitted to described cloud computing platform server, receive the value-added service control information that described cloud computing platform server sends, described value-added service control information is transmitted to described terminal equipment, when terminal equipment starts corresponding value-added service according to described value-added service control information, adopt described objective network access way and provide the value-added server of described value-added service to connect;
Described cloud computing platform server, comprise the unspecified person sound identification module, described cloud computing platform server is used for sending described first information of voice prompt to described vehicular communication unit, described first information of voice prompt is used to indicate the user to import the value-added service type, receive the voice command of the startup value-added service of described vehicular communication unit forwarding, by described unspecified person sound identification module the voice command of described startup value-added service is resolved, obtain and start the value-added service order, start the value-added service order according to this and start corresponding value-added service, receive the value-added service voice directive command that described vehicular communication unit is transmitted, by described unspecified person sound identification module described value-added service voice directive command is resolved, obtain the relevant indication information of described value-added service, the indication information relevant according to described value-added service generates the value-added service control information, and the mode that adopts note to issue or set up the mobile data passage sends to described vehicular communication unit with this value-added service control information.
2. system according to claim 1, it is characterized in that, described vehicular communication unit is used to receive the network access mode indication information that the user sends, and obtains the objective network access way according to described network access mode indication information from described more than one network access modes; Perhaps,
Obtain the signal strength signal intensity of described more than one network access modes respectively, from described more than one network access modes, obtain the objective network access way according to described signal strength signal intensity, perhaps,
According to the network insertion strategy that sets in advance, from described more than one network access modes, obtain the objective network access way.
3. system according to claim 1, it is characterized in that, described vehicular communication unit, also be used for periodically detecting the signal strength signal intensity of described objective network access way, if the signal strength signal intensity of described objective network access way is less than the signal strength threshold that sets in advance, again choose new objective network access way, and adopt described new objective network access way and described cloud computing platform server and provide the server of described value-added service to connect.
4. according to each described system among the claim 1-3, it is characterized in that, described terminal equipment and described vehicular communication unit connect used directly or the short haul connection mode comprise following any one or combination: WiFi, Wimax, bluetooth, infrared, wired or USB.
5. a vehicle-mounted communication method is characterized in that, comprising:
Press the user after the start key of one-touch control device, described one-touch control device connects by direct or short haul connection mode and terminal equipment, and wherein, described one-touch control device is arranged on the fixed part of vehicle;
Described terminal equipment connects by direct or short haul connection mode and vehicular communication unit;
Described vehicular communication unit carries out web search, obtains more than one network access modes, obtains the objective network access way from described more than one network access modes, adopts this objective network access way and cloud computing platform server to connect;
Described cloud computing platform server sends first information of voice prompt by described vehicular communication unit to described terminal equipment, and described first information of voice prompt is used to indicate described user to import the value-added service type;
Described terminal equipment is play described first information of voice prompt to described user, receive the voice command of the startup value-added service that described user sends according to described first information of voice prompt, and the voice command that will start value-added service sends to described cloud computing platform server by described vehicular communication unit;
Described cloud computing platform server adopts the unspecified person speech recognition technology that the voice command of described startup value-added service is resolved, obtain and start the value-added service order, start value-added service order according to this and start corresponding value-added server, described value-added server is used to the value-added service that provides concrete;
Described terminal equipment receives the value-added service voice directive command that described user sends, and this value-added service voice directive command is sent to described cloud computing platform server by described vehicular communication unit;
Described cloud computing platform server adopts the unspecified person speech recognition technology that described value-added service voice directive command is resolved, obtain the relevant indication information of described value-added service, the indication information relevant according to described value-added service generates the value-added service control information, and the mode that adopts note to issue or set up the mobile data passage sends to described terminal equipment with this value-added service control information by described vehicular communication unit;
Described terminal equipment is by described vehicular communication equipment and provide the value-added server of described value-added service to connect, from this value-added server, obtain concrete value-added service, wherein, described vehicular communication equipment adopts described objective network access way and provides the value-added server of described value-added service to connect.
6. method according to claim 5 is characterized in that described vehicular communication unit carries out web search, obtains more than one network access modes and comprises:
The communication equipment that described vehicular communication unit search has network access facility obtains described more than one network access modes that communication equipment adopted with network access facility.
7. method according to claim 5 is characterized in that, described vehicular communication unit obtains the objective network access way and comprises from described more than one network access modes:
Described vehicular communication unit receives the network access mode indication information that the user sends, and obtains the objective network access way according to described network access mode indication information from described more than one network access modes; Perhaps,
Described vehicular communication unit obtains the signal strength signal intensity of described more than one network access modes respectively, obtains the objective network access way according to described signal strength signal intensity from described more than one network access modes; Perhaps,
Described vehicular communication unit obtains the objective network access way according to the network insertion strategy that sets in advance from described more than one network access modes.
8. method according to claim 5 is characterized in that, also comprises:
Described vehicular communication unit periodically detects the signal strength signal intensity of described objective network access way, if the signal strength signal intensity of described objective network access way is less than the signal strength threshold that sets in advance, again choose new objective network access way, and adopt described new objective network access way and described cloud computing platform server and provide the server of described value-added service to connect.
9. according to each described method among the claim 5-8, it is characterized in that, described terminal equipment and described vehicular communication unit connect used directly or the short haul connection mode comprise following any one or combination: WiFi, Wimax, bluetooth, infrared, wired or USB.
10. according to each described method among the claim 5-8, it is characterized in that described more than one network access modes comprise following any one or combination: WiFi/WLAN, 3G.
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