CN1716413B - Vehicle carried speech identification audio-video playing device and method - Google Patents
Vehicle carried speech identification audio-video playing device and method Download PDFInfo
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- CN1716413B CN1716413B CN200410027957A CN200410027957A CN1716413B CN 1716413 B CN1716413 B CN 1716413B CN 200410027957 A CN200410027957 A CN 200410027957A CN 200410027957 A CN200410027957 A CN 200410027957A CN 1716413 B CN1716413 B CN 1716413B
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Abstract
The vehicular speech identifying audio-video playing device includes embedded microprocessor, speech identifying module, radio log-on module, great capacity miniature hard disc, LCD screen, digital keyboard, microphone, audio coding module, audio decoding module and loudspeaker. The embedded microprocessor is connected to the speech identifying module, the radio log-on module, the great capacity miniature hard disc and the audio decoding module, for intelligent speech identification of the input operation command to complete broadcast music, broadcasting, log-on to the Internet, network search, etc. The speech identifying module is for identifying the speech command from the microphone and coded in the audio coding module and sending the identified speech command to the embedded microprocessor. The radio log-on module is for the connection to Internet. The great capacity miniature hard disc is for storing various user's data.
Description
Technical field
The present invention relates to the car entertainment apparatus field, and be particularly related to a kind of embedded onboard speech recognition audiovisual playback equipment and method thereof, this equipment and method can be used for car entertainment equipment.
Background technology
In the driving driving procedure, car entertainment equipment can playing back music obtain the radio station to eliminate the fatigue of human pilot.But existing on-vehicle acoustic apparatus needs the driver manually to operate when playing back music or broadcasting usually, and as changing the song laser disc or changing broadcast band, these frequent manual operations have improved the danger of driving of human pilot greatly.On the other hand, limited because existing vehicle-mounted playback equipment adopts tape or laser disc as data source substantially because of the memory capacity of tape and laser disc, also be unfavorable for the long preservation of high capacity music data.
Summary of the invention
In order to overcome the above-mentioned defective of existing in prior technology, therefore the present invention provides a kind of embedded onboard speech recognition audiovisual playback equipment, this equipment utilization intelligent sound recognition technology, combining wireless transmission technology, by the mode of phonetic entry operational order, carry out the broadcast of music, broadcasting.By wireless transport module, this device can connect Internet, carries out web search, downloads online music or plays web radio, and all can be finished by phonetic order the operation of this device, greatly reduce the danger of driving of human pilot.Simultaneously, all speech datas can be kept in the inner micro harddisk of this device, thereby have solved the problem of laser disc or GB on Tape deficiency.
The technical scheme of technical solution problem of the present invention is:
A kind of vehicle-mounted voice identification audiovisual playback equipment is provided, comprise the data processing centre (DPC) of embedded microprocessor as equipment, it is characterized in that, described audiovisual playback equipment also comprises sound identification module, receive the phonetic order of user's input, and discern this phonetic order and send to described embedded microprocessor and handle; Wireless Internet access module is connected with the embedded microprocessor data, provides the audiovisual playback equipment to connect the internet;
The search download module, be used for having by the content search of numeric keypad or phonetic order input the search listing of audio file name according to the user, with the filename that finds as key word, the calling search engine interface, send online search command to Internet, and the result that search engine interface returns analyzed, find best target URL to download automatically.
In addition, provide a kind of and in vehicle-mounted voice identification audiovisual playback equipment, carry out the method that vehicle-mounted voice identification audiovisual is play, comprise the steps:
Initialization;
Judge whether typing phonetic order of user;
If there is not typing, then require user's typing phonetic order, if the typing phonetic order then receives the phonetic order of user's typing;
Judge whether to identify the user speech instruction;
If do not identify, reporting errors then, and receive the user's voice instruction again; If identified the user speech instruction, then carried out the operation of phonetic order correspondence: carry out displaying audio file, carry out the networking download audio files;
When carrying out the networking download audio files, judge whether the audio file that needs to download is present in the search queue;
If do not exist, then report an error and process ends; If exist, the filename that finds sends online search command as key word to the internet, and the result that search engine interface returns is analyzed, and finds best URL to download automatically.
Above-mentioned vehicle-mounted voice identification audiovisual player method further comprises the steps:
Whether judgement is successful to the search of the audio file that needs are downloaded;
If not then prompting search failure of success, and process ends; If search for successfully, then analyze Search Results, and generate best formation;
From best formation, take out element, attempt downloading;
Judge whether successful trial downloads;
If play formation successful then file in download the adding, and point out and download successfully and process ends, otherwise then point out failed download, the while is process ends also.
With respect to prior art, one of beneficial effect of the present invention is by apparatus of the present invention, and human pilot can be controlled audio-visual equipment in the pilothouse with voice.Because human pilot does not need manual operation, thereby reduced the danger of driving;
Two of beneficial effect is that by apparatus of the present invention human pilot can be connected to Interent by wireless mode, and receiving network broadcast or download audio file from the Internet also can be enjoyed specific wireless data service;
Three of beneficial effect is that by apparatus of the present invention human pilot can be stored Large Volume Data, has solved the problem of vehicle-mounted laser disc or GB on Tape deficiency.
Description of drawings
Fig. 1 is the structural representation of vehicle-mounted voice identification audiovisual playback equipment of the present invention;
Fig. 2 is the performed functional flow diagram of vehicle-mounted voice identification audiovisual playback equipment of the present invention;
Fig. 3 is the method flow diagram that internet searching was downloaded content during vehicle-mounted voice identification audiovisual of the present invention was play.
Embodiment
See also Fig. 1, the invention provides a vehicle-mounted voice identification audiovisual playback equipment, its basic structure mainly comprises with the lower part: embedded microprocessor 100 and the sound identification module 101 that is connected respectively with embedded microprocessor 100, Wireless Internet access module 102, high capacity micro harddisk 103, LCD display 104, small digital keyboard 105, audio decoder module 106, and connect the loudspeaker 108 of audio decoder module 106 and provide microphone 110 to connect the audio coding module 109 of sound identification module 101.For the needs of external audio data input, the audiovisual playback equipment also is provided with Data Input Interface unit (figure does not show), and described interface unit includes but not limited to USB interface.
Wireless Internet access module 102 makes audiovisual playback equipment of the present invention have connection Internet, transmitting-receiving note (optional), voice call (optional) function.According to the wireless telecommunications account (as SIM card or UIM card) that the user opened, Wireless Internet access module can be linked into the wireless wide area network that mobile operator such as GPRS or CDMA provide.Provide audiovisual playback equipment of the present invention to insert Internet, make full use of resource, down-load music or receiving network broadcast that Internet goes up abundant speech data.
High capacity micro harddisk 103 is used to store the various speech datas that the audiovisual playback equipment is play.The user can directly be copied to micro harddisk 103 with data by other storage mediums (as CD drive), also can be kept in the micro harddisk 103 by the Internet data download.
Audiovisual playback equipment of the present invention provides the total solution from embedded OS to the Embedded Application module.Vehicle-mounted voice identification audiovisual playback equipment also has the Embedded Application module except having embedded OS.Wherein embedded operation system is the core of audiovisual playback equipment software systems of the present invention, provides the audiovisual playback equipment stable, a safe running environment, and the embedded OS of audiovisual playback equipment of the present invention uses built-in Linux operating system.
The Embedded Application module needs based on corresponding embedded hardware operation, finishes specific task.Consider the characteristics of this device multitask, the Embedded Application module mainly is made up of following functional module: phonetic order processing module, audiovisual playing module, Wireless Internet access module and additional function modules.
The phonetic order processing module: this module comprises the processing to various phonetic orders.When using first, the user need import various phonetic orders by microphone.Usually phonetic order is divided into operational order, positioning instruction and steering order etc.Operational order has " broadcast ", " fine stopping ", " stopping ", " continuation " etc., positioning instruction has " first head ", " second head ", " a last head ", " next ", " a last screen ", " next screen " etc., steering order has " online ", " off-line ", " switching ", " search ", " download " etc.Phonetic order is divided into the instruction of basic phonetic order and extended voice, and basic phonetic order is that the user must typing, and the extended voice instruction can be set up on their own and added by the user.The phonetic order of user's typing is many more, and in attainable scope, the user is just many more by the attainable operation of voice.The general open ended phonetic order of sound identification module all has hundreds of now.Above-mentioned all is exemplary to the division of instruction and the instruction of listing, and those skilled in the art can also design other instructions according to above-mentioned enlightenment.
The audiovisual playing module is finished the playback process to various audio files.According to user's needs, the accessible audio file of apparatus of the present invention comprises: CD, mp3, wma and network flow-medium form etc.The form of above-mentioned file also right and wrong is determinate, and those skilled in the art it is also contemplated that the audio file with other available formatses.The user can directly copy to micro harddisk 103 to various audio data files from CD drive, or directly from the network download audio file to micro harddisk.For the audio file of compressed format, need decode earlier and play then.
The search download module: the user at first needs by numeric keypad the audio file name that will search for to be input in the search listing, or imports the audio file title by the mode of voice and set up search listing.When the user need search for audio file, can the audiovisual playback equipment be switched to search condition by button on the numeric keypad or phonetic order.At this moment the LCD display curtain is with the explicit user tabulation of the audio file to be searched of input in advance.The user can select the file that will search for by the voice positioning instruction, as " first head ", the audiovisual playback equipment will be obtained the corresponding file name in formation to be searched, and with this filename as key word, the calling search engine interface sends online search command to Internet.Audiovisual this moment playback equipment is checked the current network connection status, if network is in not-connected status, Wireless Internet access module 103 will dial up on the telephone by the AT instruction.Application program will be analyzed the result that search engine interface returns, and finds best target URL, and attempts downloading automatically, if download successfully, then automatically this audio file is added active user's broadcast formation, shows by LCD display.
Fig. 2 is the performed functional flow diagram of vehicle-mounted voice identification audiovisual playback equipment of the present invention.
At step S201, the system initialization environment; At step S202, whether system judges user's typing phonetic order; If there is not typing, then require user's typing phonetic order at step S203; If the typing phonetic order then enters S204 and receives the user's voice instruction; Judge whether to identify the user speech instruction at step S206, if can't discern user instruction, then at step S205 reporting errors; And return step S204 again, if identified the user speech instruction, then enter the operation of step S207 execution phonetic order correspondence, this operation is divided into three kinds, be respectively the execution displaying audio file of step S208, execution networking download audio files and other operations of step S210, the system finishing flow process afterwards of step S209.
Fig. 3 is the method flow diagram that internet searching is downloaded content in the vehicle-mounted voice identification audiovisual playback equipment of the present invention.
At step S301, judge whether target is present in the search queue, if do not exist, enter then that step S307 reports an error and process ends; If exist, when downloading target and have a plurality of download target, then choose one of them target, as the audio file name, enter step S302, check whether the audiovisual playback equipment is in the networking state, if be not in the networking state, then enter step S3021 and call AT instruction and dial up on the telephone, otherwise or after dialling up on the telephone, enter S303 calling search engine interface; At step S304, judge whether search is successful, if success is not then in the failure of step s306 prompting search, and process ends; If search for successfully, then analyze Search Results, and generate the download formation at step S305; Entering step S308 downloads from download formation; At step S309, judge whether successful trial downloads, if at step S310 prompting failed download, then enter S312 and judge that the search queue target is all complete, successfully enter step S311 if download equally, file in download is added the broadcast formation, and enter S312 and judge that the search queue target is all complete, if it is complete that the search queue target is all downloaded, prompting is downloaded successfully and process ends, otherwise then enter the S301 execution next one is downloaded choosing of target, and repeat above-mentioned download flow process, all download up to the search queue target and finish.
The present invention has extendability preferably, can pass through executive utility playing network radio station and files in stream media.For network radio station, the user can carry out the automatic channel search function by phonetic order equally.Because Wireless Internet access module has the transmitting-receiving note simultaneously concurrently, voice call and global positioning satellite function, can be at any time by LCD display to user notification garage position or road conditions.The user can set regularly online simultaneously, regularly rolls off the production line, and regularly download waits additional function.More than disclosed only be several specific embodiment of the present invention, but be not limitation therewith, any those skilled in the art according to system configuration can think and variation, all should fall within the scope of protection of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; to some improvements and modifications that the present invention did, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a vehicle-mounted voice identification audiovisual playback equipment comprises the data processing centre (DPC) of embedded microprocessor as equipment, it is characterized in that described audiovisual playback equipment also comprises:
Sound identification module receives the phonetic order of user's input, and discerns this phonetic order and send to described embedded microprocessor and handle;
Wireless Internet access module is connected with the embedded microprocessor data, provides the audiovisual playback equipment to connect the internet;
The search download module, be used for having by the content search of numeric keypad or phonetic order input the search listing of audio file name according to the user, with the filename that finds as key word, the calling search engine interface, send online search command to Internet, and the result that search engine interface returns analyzed, find best target URL to download automatically.
2. according to the described vehicle-mounted voice identification of claim 1 audiovisual playback equipment, it is characterized in that described vehicle-mounted voice identification audiovisual playback equipment further comprises micro harddisk.
3. vehicle-mounted voice identification audiovisual playback equipment according to claim 1 is characterized in that embedded microprocessor further comprises:
The phonetic order processing module is used for the processed voice instruction;
The audiovisual playing module is used for audio file.
4. according to any described vehicle-mounted voice identification audiovisual playback equipment in the claim 1 to 3, it is characterized in that described search download module also is used for just-downloaded audio file is added active user's broadcast formation.
5. vehicle-mounted voice identification audiovisual playback equipment according to claim 1 is characterized in that the phonetic order that the phonetic order processing module is handled is divided into operational order, positioning instruction and steering order.
6. according to claim 3 or 5 described vehicle-mounted voice identification audiovisual playback equipments, it is characterized in that, the phonetic order that the phonetic order processing module is handled is divided into basic phonetic order and extended voice instruction, basic phonetic order is that the user must typing, and the extended voice instruction can be set up on their own and added by the user.
7. vehicle-mounted voice identification audiovisual playback equipment according to claim 1 is characterized in that Wireless Internet access module is linked into wireless wide area network according to the wireless telecommunications account that the user opened.
8. in the described vehicle-mounted voice identification of claim 1 audiovisual playback equipment, carry out the method that vehicle-mounted voice identification audiovisual is play for one kind, comprise the steps:
Initialization;
Judge whether typing phonetic order of user;
If there is not typing, then require user's typing phonetic order, if the typing phonetic order then receives the phonetic order of user's typing;
Judge whether to identify the user speech instruction;
If do not identify, reporting errors then, and receive the user's voice instruction again; If identified the user speech instruction, then carried out the operation of phonetic order correspondence: carry out displaying audio file, carry out the networking download audio files;
When carrying out the networking download audio files, judge whether the audio file that needs to download is present in the search queue;
If do not exist, then report an error and process ends; If exist,, send online search command to the internet, and the result that search engine interface returns is analyzed as key word with the filename that finds, find best URL to download automatically.
9. vehicle-mounted voice identification audiovisual player method according to claim 8 is characterized in that, further comprises the steps:
Whether judgement is successful to the search of the audio file that needs are downloaded;
If not then prompting search failure of success, and process ends; If search for successfully, then analyze Search Results, and generate the download formation;
From download formation, download;
Judge to download whether success,,, file in download is added the broadcast formation, and it is all complete to enter judgement search queue target if downloads successfully if failed download judges that then the search queue target is all complete;
If it is complete that the search queue target is all downloaded, prompting is downloaded successfully and process ends, otherwise then carry out the next one is downloaded choosing of target, and repeats above-mentioned download flow process;
Process ends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410027957A CN1716413B (en) | 2004-07-02 | 2004-07-02 | Vehicle carried speech identification audio-video playing device and method |
| HK06107523A HK1087518A1 (en) | 2004-07-02 | 2006-07-04 | Vehicle carried speech identification audio-video playing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410027957A CN1716413B (en) | 2004-07-02 | 2004-07-02 | Vehicle carried speech identification audio-video playing device and method |
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| Publication Number | Publication Date |
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| CN1716413A CN1716413A (en) | 2006-01-04 |
| CN1716413B true CN1716413B (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200410027957A Active CN1716413B (en) | 2004-07-02 | 2004-07-02 | Vehicle carried speech identification audio-video playing device and method |
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| Country | Link |
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| CN (1) | CN1716413B (en) |
| HK (1) | HK1087518A1 (en) |
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| CN103794213A (en) * | 2012-10-31 | 2014-05-14 | 通用汽车环球科技运作有限责任公司 | Speech recognition functionality in vehicle through extrinsic device |
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| CN101820698A (en) * | 2010-04-26 | 2010-09-01 | 华为终端有限公司 | Wireless communication data terminal device and voice recognition method and system thereof |
| CN102486801A (en) * | 2011-09-06 | 2012-06-06 | 上海博路信息技术有限公司 | Method for obtaining publication contents in voice recognition mode |
| CN103164478B (en) * | 2011-12-16 | 2018-09-11 | 上海博泰悦臻电子设备制造有限公司 | Mobile unit and entry base update method |
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| CN103187076B (en) * | 2011-12-28 | 2017-07-18 | 上海博泰悦臻电子设备制造有限公司 | voice music control device |
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| CN105321543A (en) * | 2015-10-23 | 2016-02-10 | 太仓市新志杰电子科技有限公司 | Player with identity recognition function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1716413A (en) | 2006-01-04 |
| HK1087518A1 (en) | 2006-10-13 |
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