CN104579526A - Intelligent radio receiving method and device - Google Patents
Intelligent radio receiving method and device Download PDFInfo
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- CN104579526A CN104579526A CN201510028242.6A CN201510028242A CN104579526A CN 104579526 A CN104579526 A CN 104579526A CN 201510028242 A CN201510028242 A CN 201510028242A CN 104579526 A CN104579526 A CN 104579526A
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Abstract
The invention provides an intelligent radio receiving method. The intelligent radio receiving method includes the steps that a set playlist and a broadcast database are locally established, and the broadcast database comprises broadcast messages corresponding to all geographic position areas; if the broadcast frequency band strength of the set playlist is lower than a set value, the broadcast database is searched for according to the current geographic position coordinates, and the current broadcast message and a current playlist are acquired; similar projects in the set playlist and the current playlist are matched, and the current playlist is acquired; radio receiving is achieved according to the current playlist. Consequently, the problems that existing vehicle-mounted radio receiving efficiency is low and the effect is poor are solved, the radio receiving quality is improved, and user operation is simplified.
Description
Technical field
The present invention relates to vehicle-mounted media play-back technology field, particularly relate to intelligent reception method and device.
Background technology
Vehicle-mounted radio is as part in vehicle-mounted information and entertainment system, and AM/FM broadcast receiver is standard facility.As conventional electronic devices, broadcast receiver have cheap, use simple feature.Broadcast receiver, by having the broadcasting station of signal in fixing scanning frequency step length searching full frequency band and this frequency can being stored, directly recalls in using next time.When broadcast receiver uses in fixing region, this method only needs to carry out a radio station scanning when using first usually, problem of less than nothing large, but will make troubles to user when using on vehicle-mounted radio, even causes safety problem.This is because the position of vehicle-mounted radio is constantly mobile, and the signal cover that the FM that people listen to usually broadcasts is tens to one hundred kilometer, and the vehicle of movement is easy to roll current each broadcast station signal institute coverage stored away from.If vehicle moves between two cities, this is almost inevitable occurrence.Therefore, this wireless channel selection occupation mode also exists following shortcoming: first, user setting or searching carrier frequency required time longer.For the user of vehicle-mounted radio, especially to user's (trans-city long-distance) of movement on a large scale, vehicle is easy to roll the broadcast station signal area of coverage stored away from.Now want broadcast listening, must carry out tuning in driving, this not only brings potential safety hazard, also cannot know what program the radio station searched out will broadcast.Secondly, the program searched out in other places travels often can not store.Because one is to destroy the resident regional station list be also accustomed to stored.Two is that the Frequency point stored with the change of vehicle location may lose efficacy very soon.Again, user often only remembers the Frequency point oneself liked and have ignored title and the type in radio station.Therefore, if do not carry out full frequency band search, just do not know local available broadcasting station completely in strange place.Thus reduce vehicle-mounted radio simplicity in use and utilance.
Summary of the invention
For above-mentioned the problems of the prior art, the invention solves vehicle-mounted radio when many areas use, cannot the problem of normal radio reception.
In order to achieve the above object, the invention provides following technical scheme: the invention provides a kind of intelligent reception method, wherein, comprise, setting playlist and broadcast database is set up, the broadcast message of described broadcast database corresponding to each geographic location area in this locality; If the broadcasting frequency range intensity of described setting playlist is lower than set point, then broadcast database according to current geographic position zatacode indexing, obtain current broadcast information and current play list; Mate the similar terms of described setting playlist and described current play list, obtain current play list; Radio reception is carried out according to described current play list.
In a preferred embodiment, comprise, the described step setting up setting playlist in this locality comprises, and according to pickup record from local playlist, obtains setting playlist.
In a preferred embodiment, also comprise after described acquisition sets the step of playlist: described setting playlist is presented in local display unit.
In a preferred embodiment, described, the step according to setting signal intensity search current play list comprises, and receives Current GPS information; Current geographic position is obtained from described Current GPS information.
In a preferred embodiment, the similar terms of the described setting list of described coupling and described current play list, the step obtaining current play list comprises: extract projects keyword in described setting list;
According to described projects keyword, from described current play list, extract the project that matches, obtain matching entries list; Current play list is obtained according to described matching entries list.
In a preferred embodiment, described reception Current GPS information, the step obtaining current geographic position from described Current GPS information comprises: judge whether the intensity of current GPS signals is less than setting intensity level, if, then obtain current geographic position by WIFI, if not, then receive Current GPS information, from described Current GPS information, obtain current geographic position.
Meanwhile, in one embodiment of the present invention, additionally provide a kind of intelligent audio signal reception device, wherein, comprise, local storage, playback process device and player, the input of described playback process device is connected with the output of described local storage, and output is connected with described player; Described local storage, is configured to be stored in the local setting playlist set up; Described playback process device, if the broadcasting frequency range intensity being configured to described setting playlist is lower than set point, then according to setting signal intensity search current play list; Mate the similar terms of described setting list and described current play list, obtain current play list; Described player, is configured to carry out radio reception according to described current play list.
In a preferred embodiment, also comprise, display unit, described display unit is connected with described playback process device, is configured to described setting playlist to be presented in local display unit.
In a preferred embodiment, described playback process device is also configured to, and receives Current GPS information; Current geographic position is obtained from described Current GPS information.
In a preferred embodiment, described playback process device is also configured to, and extracts projects keyword in described setting list; According to described projects keyword, from described current play list, extract the project that matches, obtain matching entries list; Current play list is obtained according to described matching entries list.
Beneficial effect of the present invention is: by the automatic search to current frequency range, thus, without the need to broadcasting station search, for wireless user provides better Consumer's Experience.The broadcast scenarios of strange region can be understood at any time in driving way.Conveniently find the broadcasted content liked.And owing to simplifying use operation, reduce the risk that driver's operation equipment brings.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in one embodiment of the present invention, the schematic flow sheet of intelligent reception method;
Fig. 2 is in one embodiment of the present invention, the circuit composition schematic diagram of intelligent audio signal reception device;
Fig. 3 is in one embodiment of the present invention, the module composition schematic diagram of intelligent audio signal reception device.
Embodiment
Below in conjunction with accompanying drawing of the present invention, be clearly and completely described technical scheme of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The vehicle-mounted radio machine that the present invention can run, as shown in Figure 2, shown in figure, the functional description of each chip is as follows: the SH2A core controller of SH7269-Renesas, is applicable to vehicle audio information system for composition structure.Built in video processing module, abundant interface, 2.5MB built-in RAM and 266MHz dominant frequency CPU and floating-point operation processor.The automobile-used FM/AM radio tuner of TEF6635-NXP company and audio frequency dsp chip.Controlled through I2C bus by SH7269, it is tuning to complete radio station, the operations such as radio signals level inquiry.Digital signal after the process of audio frequency DSP module converts analog signal output to by built-in DAC.The car audio power amplifier of TDF8546-NXP company.Audio signal from TEF6635 is amplified and drives loud speaker.S25LF064-8MB QSPI serial line interface FLASH ROM.Wherein not only store the operation code of SH7269, also stored for broadcaster database.UBX-7020-u-blox company gps signal receives process chip.SH7269 can to this processor inquiry current geographic position coordinate by UART interface.3G/4G smart mobile phone is connected to main control processor SH7269 when needs through usb bus as mobile Internet access equipment.Start corresponding application program on mobile phone, realize with the communication of SH7269 and be connected mobile Internet, completing and download broadcaster database and the task of uploading radio receiver signal log file from server.The TFT LCD of 800 × 480 resolution is as the user interface output equipment of native system, and its embedded lcd controller directly can be connected with the digital visual interface of SH7269, and TFT LCD is connected with the interface of Video I/F simultaneously.Capacitance touch screen is the man-machine inputting equipment that native system uses, and is embedded with touch scanning monitor, is connected by SPI interface with SH7269.When there being this screen of finger touch, touching scanning monitor and reporting number and the corresponding coordinate of contact point to SH7269.SH7269, by the follow-up analysis to these coordinates, parses the gesture that user does on capacitance touch screen.According to the gesture of user, corresponding action made by trigger internal software, and shows corresponding interface.Said system is all to run under the control of the embedded software of SH7269.
As shown in Figure 3, native system comprises system logic figure of the present invention, radio tuner, player (not shown), playback process device, storage device, input-output equipment and mobile Internet access equipment and webserver composition.Wherein radio tuner is connected with playback process device by serial communication interface.Playback process device can send instruction with the intensity setting tuned frequency, whether inquiry has radio signals and radio signals to radio tuner.Playback process device is connected with satellite positioning device by serial communication interface, receives the geographical position coordinates that it sends.Playback process device is also connected with input-output equipment with finishing man-machine interaction.Playback process device will be connected by usb bus or other serial line interface with Internet access device when needs, to realize uploading recording data files and downloading broadcaster database.Broadcaster database is stored in storage device.This database comprises the title in all broadcasting stations in the whole nation or even the whole world, frequency, signal cover and program table information.System obtains the current residing geographical coordinate of broadcast receiver by satellite positioning device, retrieves the coverage of radio signals, find out all broadcasting stations that can cover this coordinate in broadcaster database.Then the title in these broadcasting stations is presented to user for you to choose.When user selects certain broadcasting station by input equipment, this radio station broadcasting frequency be stored in database will be removed and be arranged in tuner by playback process device.Tuner will work in this carrier frequency, and demodulate carried audio signal.Playback process device directly sets the method for radio tuner frequency availability by the information in broadcaster database depends on the description accuracy of coverage one in database completely.By the impact of the environmental factors such as landforms, the coverage in broadcasting station is not the desirable border circular areas centered by launching tower sometimes.For obtaining better Consumer's Experience, the description of broadcast station signal coverage needs constantly to optimize in actual use.The method optimized is that, when native system finds that the signal strength signal intensity of certain radio programmes received is reduced to below minimum usable signal levels, native system will record current various state information, is formed and keeping records file.The content of record comprises: the nominal value of geographical coordinate when broadcasting station mark (ID), frequency of radio station, signal strength signal intensity are too low, moment, equipment (vehicle) movement velocity, equipment (vehicle) direction of motion, this broadcast receiver receiving sensitivity.When mobile Internet access equipment is access in system, the application program on it will access internet data service device, upload this log file.After data server have accumulated a certain amount of data, carry out statistic op-timization calculating, revise shape and the area of this radio signals coverage original.The initial description of broadcast station signal coverage may be circular or symmetrical shape changeable, and the description through repeatedly revised radio signals coverage may become asymmetric shape changeable region.Internet Server can upgrade original project of replacing in broadcaster database by the new radio signals scope produced, and is handed down to all online native system equipment by mobile Internet access equipment.The accurate radio signals coverage that each like this native system equipment can obtain constantly updating describes.In broadcaster database except having the title in radio station, frequency and coverage information, also has the listing in each radio station.Can, to user's display program table, user be understood now and the program that will broadcast fast by input-output equipment.There is program classification Presentation Function.In a database the program partition in listing is become a few class, as news, physical culture, music, talk etc.User can select the class of wanting to listen, and filters out the radio station of current this type of program of broadcasting and be shown to user by system from database, facilitates user to select with having direction.
It is to be noted that the block diagram shown in Fig. 3 realizes system logic structure of the present invention.Different compound modes can be had in concrete realization.Memory device as stored broadcast radio station database can be playback process device sheet on or plug-in RAM, FLASH ROM, USB memory, SD card etc., also can be stored in mobile Internet access equipment or its attached storage device; Input-output equipment also can access equipment replacement by mobile Internet.(prerequisite is the state that mobile Internet access equipment is in connection all the time).And satellite positioning device can be connected to separately module on playback process device or chip, also can be satellite positioning device built-in in mobile Internet access equipment.
As shown in Figure 1, in one embodiment of the present invention, provide intelligent reception method, comprising:
Step S101, sets up playlist and carries out broadcast database and prestore.Setting playlist and broadcast database is set up, the broadcast message of broadcast database corresponding to each geographic location area in this locality.
This step also comprises, and according to pickup record from local playlist, obtains setting playlist.And can setting playlist be presented in local display unit, to be user-friendly for selection.
Step S102, obtains current play list.If the broadcasting frequency range intensity of setting playlist is lower than set point, then according to current geographic position zatacode indexing broadcast database, obtain current broadcast information and current play list; The similar terms of match settings list and current play list, obtains current play list.Receive Current GPS information by local GPS device in this step, and obtain current geographic position from Current GPS information.And then, when GPS information can not obtain in time, in one embodiment of the invention, also comprise, judge whether the intensity of current GPS signals is less than setting intensity level, if, then obtain current geographic position by WIFI, if not, then receive Current GPS information, from Current GPS information, obtain current geographic position.
" coupling " in above-mentioned steps also selects various ways to realize, and in one embodiment of the invention, first, can extract projects keyword in setting list; According to projects keyword, from current play list, extract the project that matches, obtain matching entries list; Current play list is obtained according to matching entries list.
Step S103, carries out radio reception and broadcasting according to current play list.
Meanwhile, present invention also offers a kind of intelligent audio signal reception device, comprise, local storage, playback process device and player, the input of playback process device is connected with the output of local storage, and output is connected with player; Local storage, is configured to the setting playlist and the broadcast database that are stored in local foundation, the broadcast message of broadcast database corresponding to each geographic location area; Playback process device, the broadcasting frequency range intensity setting playlist if be configured to lower than set point, then according to current geographic position zatacode indexing broadcast database, obtains current broadcast information and current play list; The similar terms of match settings list and current play list, obtains current play list; Player, is configured to carry out radio reception according to current play list.
One of the present invention preferred embodiment in, also comprise, display unit, display unit is connected with playback process device, is configured to setting playlist to be presented in local display unit.
One of the present invention preferred embodiment in, playback process device is also configured to, and receives Current GPS information; Current geographic position is obtained from Current GPS information.
One of the present invention preferred embodiment in, playback process device is also configured to, extract setting list in projects keyword; According to projects keyword, from current play list, extract the project that matches, obtain matching entries list; Current play list is obtained according to matching entries list.。
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. intelligent reception method, is characterized in that, comprises,
Setting playlist and broadcast database is set up, the broadcast message of described broadcast database corresponding to each geographic location area in this locality;
If the broadcasting frequency range intensity of described setting playlist is lower than set point, then broadcast database according to current geographic position zatacode indexing, obtain current broadcast information and current play list; Mate the similar terms of described setting playlist and described current play list, obtain current play list;
Radio reception is carried out according to described current play list.
2. intelligent reception method according to claim 1, is characterized in that, comprise, and the described step setting up setting playlist in this locality comprises,
According to pickup record from local playlist, obtain setting playlist.
3. intelligent reception method according to claim 2, is characterized in that, also comprises after the step of described acquisition setting playlist:
Described setting playlist is presented in local display unit.
4. intelligent reception method according to claim 1, is characterized in that, described according to current geographic position zatacode indexing broadcast database, also comprise before obtaining the step of current broadcast information and current play list,
Receive Current GPS information;
Current geographic position is obtained from described Current GPS information.
5. the intelligent reception method according to claim 1 or 4, is characterized in that, the similar terms of the described setting list of described coupling and described current play list, and the step obtaining current play list comprises:
Extract projects keyword in described setting list;
According to described projects keyword, from described current play list, extract the project that matches, obtain matching entries list;
Current play list is obtained according to described matching entries list.
6. intelligent reception method according to claim 4, is characterized in that, described reception Current GPS information, and the step obtaining current geographic position from described Current GPS information comprises:
Judge whether the intensity of current GPS signals is less than setting intensity level, if so, then obtains current geographic position by WIFI, if not, then receive Current GPS information, from described Current GPS information, obtain current geographic position.
7. intelligent audio signal reception device, is characterized in that, comprises, local storage, playback process device and player, and the input of described playback process device is connected with the output of described local storage, and output is connected with described player;
Described local storage, is configured to the setting playlist and the broadcast database that are stored in local foundation, the broadcast message of described broadcast database corresponding to each geographic location area;
Described playback process device, if the broadcasting frequency range intensity being configured to described setting playlist is lower than set point, then broadcast database according to current geographic position zatacode indexing, obtains current broadcast information and current play list; Mate the similar terms of described setting list and described current play list, obtain current play list;
Described player, is configured to carry out radio reception according to described current play list.
8. intelligent audio signal reception device according to claim 7, is characterized in that, also comprise, display unit, and described display unit is connected with described playback process device, is configured to described setting playlist to be presented in local display unit.
9. the intelligent audio signal reception device according to claim 7 or 8, is characterized in that, described playback process device is also configured to, and receives Current GPS information; Current geographic position is obtained from described Current GPS information.
10. intelligent audio signal reception device according to claim 9, is characterized in that, described playback process device is also configured to, and extracts projects keyword in described setting list; According to described projects keyword, from described current play list, extract the project that matches, obtain matching entries list; Current play list is obtained according to described matching entries list.
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