CN105207729A - Intelligent terminal, frequency modulation broadcast playing method and device of intelligent terminal - Google Patents
Intelligent terminal, frequency modulation broadcast playing method and device of intelligent terminal Download PDFInfo
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Abstract
The invention relates to an intelligent terminal, frequency modulation broadcast playing method and device of the intelligent terminal. The method includes the following steps that: a playing mode switching condition is preset; first playing mode-based signal quality parameters of frequency modulation broadcasts are detected when the terminal performs frequency modulation broadcast playing; and whether playing modes are required to be switched is judged according to the preset playing mode switching condition and the detected signal quality parameters, wherein the first playing mode adopts a frequency modulation technology to play the frequency modulation broadcasts, and the second playing mode adopts an auxiliary frequency modulation technology to play the frequency modulation broadcasts. According to the method of the invention, the traditional frequency modulation technology-based signal quality parameters of the frequency modulation broadcasts are detected in the playing process of the frequency modulation broadcasts, and whether the signal quality parameters satisfy the preset playing mode switching condition is judged, and therefore, automatic switching between the two playing modes can be realized, and the signal quality of the frequency modulation broadcasts can be ensured, and substantial increase of data service traffic can be avoided.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of intelligent terminal and FM broadcasting player method thereof and device.
Background technology
Current, comprise many products of smart mobile phone, panel computer, all can with the function of frequency modulation(FM) (frequency modulation, FrequencyModulation, FM) broadcast playback.
Due to the negligible amounts of f-m broadcast station own, signal cover is also extensive not.Therefore, FM broadcasting, in the process play, often there will be noise, lower tone, tone-off or even listens to the situation of interruption.Especially, for some distance f-m broadcast stations areas far away, the bad problem of above-mentioned signal is particularly serious.
For the improvement of the bad problem of fm broadcast signal, be all from signal modulation technique usually.Such as consider how the signal to noise ratio etc. after reducing demodulation is improved to the demodulation method of FM signal.Such as, but owing to being subject to the restriction of the feature of FM broadcasting own, aforementioned f-m broadcast station negligible amounts, signal cover is defect not widely, and cannot be overcome by the improvement of signal modulation technique, the effect thus improved is unsatisfactory.
Quenching frequency modulation (AssistedFrequencyModulation, AFM) is the technology that a kind of approach obtaining information by Internet resources realizes FM broadcasting broadcasting.Wherein, the approach of Internet resources can be specifically Wireless Fidelity (Wireless-Fidelity, Wi-Fi), Long Term Evolution (LongTermEvolution, LTE), TD SDMA (TimeDivision-SynchronousCodeDivisionMultipleAccess, TD-SCDMA), Wideband Code Division Multiple Access (WCDMA) (WidebandCodeDivisionMultipleAccess, WCDMA), enhanced data rates for gsm evolution (EnhancedDateRateforGSMEvolution, EDGE), general packet radio service (GeneralPacketRadioService, GPRS), code division multiple access (CodeDivisionMultipleAccess, or CDMA 2000 (CodeDivisionMultipleAccess2000 CDMA), etc. CDMA2000) one or more in.
The acquisition that signal acquisition due to current above-mentioned Internet resources compares FM signal is more convenient, and the signal obtained is also more stable.Therefore, the appearance of quenching frequency modulation technique largely solves the bad defect of traditional fm broadcast signal.
But the use of quenching frequency modulation technique can increase the burden of Wireless Telecom Equipment significantly.Meanwhile, because at present a lot of mobile communication supplier can carry out charging for the flow of wireless communication data business, therefore, the use of quenching frequency modulation technique also can the mobile phone business rate of adding users significantly.
As can be seen here, quenching frequency modulation technique, while the bad problem of solution fm broadcast signal, also brings certain drawback.For how while employing quenching frequency modulation technique improves fm broadcast signal quality, avoid the problem increased considerably of data service flow, there is no effective solution at present.
Summary of the invention
The technical problem that the present invention solves is: how adopting quenching frequency modulation technique to improve fm broadcast signal quality while, avoid increasing considerably of data service flow.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of FM broadcasting player method, comprising:
Preset play mode switching condition;
Carry out in the process of FM broadcasting broadcasting in terminal, detect the signal quality parameter of FM broadcasting based on the first play mode, described signal quality parameter is corresponding with described switching condition;
According to the play mode switching condition preset and the signal quality parameter detected, judge whether the switching needing to carry out play mode;
If desired carry out the switching of play mode, then switch to the second play mode by the first play mode, or switch to the first play mode by the second play mode, and carry out the broadcasting of FM broadcasting with the play mode after switching;
Carry out the switching of play mode if do not need, then carry out the broadcasting of FM broadcasting with former play mode;
Wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
Optionally, carry out in the process of FM broadcasting broadcasting in terminal, detect FM broadcasting based on the first play mode signal quality parameter specifically: in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode in terminal or partial routine, timing or sporadically detect the signal quality parameter of FM broadcasting based on the first play mode.
Optionally, described play mode switching condition specifically: arrange corresponding threshold value for one or more signal quality parameter, when the signal quality parameter detected meets predetermined condition relative to described threshold value, carry out the switching of play mode.
Optionally, described signal quality parameter is: the signal to noise ratio after FM signal demodulation, or one or more in signal strength signal intensity before FM signal demodulation.
Optionally, described quenching frequency modulation technique realizes the broadcasting of FM broadcasting by the approach obtaining information of Internet resources, the approach of described Internet resources specifically: one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000.
In order to solve the problems of the technologies described above, the embodiment of the present invention also provides a kind of FM broadcasting playing device, comprising: preset unit, broadcast unit, detecting unit, judging unit and switch unit; Wherein:
Preset unit, for default play mode switching condition;
Broadcast unit, for carrying out FM broadcasting broadcasting;
Detecting unit, for carrying out in the process of FM broadcasting broadcasting at described broadcast unit, detect the signal quality parameter of FM broadcasting based on the first play mode, described signal quality parameter is corresponding with described switching condition;
Judging unit, for the signal quality parameter that the play mode switching condition preset according to described default unit and described detecting unit detect, judges whether the switching needing to carry out play mode;
Switch unit, for judging to need to carry out play mode switching at described judging unit, switching to the second play mode by the first play mode, or switching to the first play mode by the second play mode;
Wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
Optionally, in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode at described broadcast unit or partial routine, described detecting unit timing or sporadically detect the signal quality parameter of FM broadcasting based on the first play mode.
Optionally, described default unit preset described play mode switching condition specifically: for one or more signal quality parameter, corresponding threshold value is set, when the signal quality parameter that described detecting unit detects meets predetermined condition relative to described threshold value, described switch unit carries out the switching of play mode.
Optionally, described signal quality parameter is: the signal to noise ratio after FM signal demodulation, or one or more in signal strength signal intensity before FM signal demodulation.
Optionally, described quenching frequency modulation technique realizes the broadcasting of FM broadcasting by the approach obtaining information of Internet resources, the approach of described Internet resources specifically: one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000.
In order to solve the problems of the technologies described above, the embodiment of the present invention also provides a kind of intelligent terminal, described intelligent terminal possesses the function of carrying out FM broadcasting broadcasting with the first play mode and the second play mode simultaneously, wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting, also comprises above-mentioned FM broadcasting playing device.
Optionally, described intelligent terminal is smart mobile phone, intelligent watch or panel computer.
Compared with prior art, technical scheme of the present invention has following beneficial effect:
In the process that FM broadcasting is play, frequency-modulation broadcasting detects based on the signal quality parameter of legacy frequencies modulation technique, and judge whether it meets default play mode switching condition, thus the automatic switchover achieved between two kinds of play mode, both ensure that the signal quality of FM broadcasting, turn avoid increasing considerably of data service flow simultaneously.And the present invention is mainly through arranging corresponding software to realize, without the need to extra hardware cost.
Further, in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode in terminal or partial routine, timing or sporadically detect FM broadcasting based on the signal quality parameter of the first play mode, thus can by user from main separation the need of the function of enabling and when enabling play mode and automatically switching.
Further, corresponding threshold value is set for one or more signal quality parameter, makes to consider in conjunction with multinomial signal quality parameter about the need of the judgement carrying out play mode switching, thus judgement is more accurate.
Accompanying drawing explanation
Fig. 1 is the FM broadcasting player method flow chart in the embodiment of the present invention;
Fig. 2 is the FM broadcasting playing device structured flowchart in the embodiment of the present invention.
Embodiment
According to the analysis of background technology part, it is poor to there is signal quality in traditional FM broadcasting play-back technology, and the defect of instability, and quenching frequency modulation technique is while overcoming above-mentioned defect, can increase again the flow of data service significantly.
Inventor finds after deliberation afterwards: in the playing process of FM broadcasting, and the quality of signal quality constantly varies, and the poor situation of signal quality mostly just continues shorter a period of time.Whole playing process all adopts quenching frequency modulation technique to play by prior art, the obvious waste beyond doubt to Internet resources.For this reason, inventors herein propose and only adopt when fm broadcast signal is second-rate quenching frequency modulation technique to play, and at other time, still use traditional frequency modulation technology to carry out the theory play, thus saved Internet resources.
For making those skilled in the art understand better and realize the present invention, referring to accompanying drawing, be described in detail by specific embodiment.
As described below, the embodiment of the present invention provides a kind of FM broadcasting player method.
With reference to the FM broadcasting player method flow chart shown in Fig. 1, be described in detail below by way of concrete steps:
First, the realization of the FM broadcasting player method in the present embodiment, has certain requirement for terminal itself.
Particularly, terminal itself needs to possess the function adopting traditional frequency modulating technology and employing quenching frequency modulation technique to carry out FM broadcasting broadcasting simultaneously.
Wherein, traditional frequency modulating technology (being called " the first play mode ") is the high-frequency signal will received from antenna, is reduced into audio signal, is then play by earphone or loudspeaker after detection (demodulation); Quenching frequency modulation technique (being called " the second play mode ") is then the broadcasting being realized FM broadcasting by the approach obtaining information of Internet resources, and the approach of Internet resources can be specifically one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000 etc.
S101, presets play mode switching condition.
Described switching condition can be specifically, for one or more signal quality parameter, corresponding threshold value is set, by subsequent detection to the currency of signal quality parameter and described threshold value contrast, meet the switching that predetermined condition (being such as greater than or less than) then carries out play mode.
Wherein, signal quality parameter can be specifically, the signal to noise ratio after FM signal demodulation, or the signal strength signal intensity before FM signal demodulation, certainly, also can be that other are for characterizing the parameter of FM signal quality.Can be for a certain optimum configurations threshold value, also can simultaneously to the corresponding threshold value of two or more optimum configurations.
In the above-described embodiments, corresponding threshold value is set for one or more signal quality parameter, makes to consider in conjunction with multinomial signal quality parameter about the need of the judgement carrying out play mode switching, thus judgement is more accurate.
With regard to signal to noise ratio and signal strength signal intensity, in general, threshold value is higher, then adopt quenching frequency modulation technique to carry out the chance of FM broadcasting broadcasting more, thus can be more obvious to the improvement of signal quality, but while also can bring larger data service flow.
Otherwise threshold value is lower, then adopt traditional mode of frequency regulation to carry out the chance of FM broadcasting broadcasting more, thus the extra data service flow produced is less, but also can be slightly poor for the improvement of signal quality.
In concrete enforcement, play mode switching condition can be: when the signal to noise ratio after FM signal demodulation is less than 38dB, switch to the second play mode; Also can be: when the signal strength signal intensity before FM signal demodulation is less than-104dBm, switch to the second play mode; Also can be: when the signal to noise ratio after FM signal demodulation is greater than 46dB, switch to the first play mode; Also can be: when the signal strength signal intensity before FM signal demodulation is greater than-96dBm, switch to the first play mode, etc.
The step of described default play mode switching condition had pre-set usually before terminal carries out FM broadcasting broadcasting.Concrete execution opportunity of presetting can be complete in the manufacture process of terminal, also can be provided by the mode of software and arrange interface accordingly, thus allow user to arrange these threshold values or revise after terminal manufacture completes.
S102, detects the signal quality parameter of FM broadcasting based on the first play mode.
Described detection FM broadcasting, based on the step of the signal quality parameter of the first play mode, can be carried out in the process of FM broadcasting broadcasting in terminal, timing or sporadically carry out.
Particularly, can carry out carrying out in the overall process of FM broadcasting broadcasting in terminal, when namely from terminal, FM broadcasting is play, to terminal terminates FM broadcasting broadcasting.Certainly, also can terminal start FM broadcasting play while or afterwards, by the mode of software to user's query the need of the function of enabling play mode and automatically switching, namely can by user from main separation the need of enabling this function, and when enabling this function.
In the above-described embodiments, in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode in terminal or partial routine, timing or sporadically detect FM broadcasting based on the signal quality parameter of the first play mode, thus can by user from main separation the need of the function of enabling and when enabling play mode and automatically switching.
According to the mode that timing detects, such as, every 5 seconds or the detection (and carrying out follow-up comparison and determining step) of a signal quality parameter within 10 seconds, can be carried out.
According to the mode that not timing detects, the result that such as can compare in conjunction with previous round determines the time interval detected.Particularly, when the signal quality parameter detected with preset threshold value comparatively close to time, the time interval of detection can be shortened, otherwise, then extend the time interval of detection.
Detect for parameter corresponding with the parameter of each threshold value in aforementioned default play mode switching condition.Particularly, if preset play mode switching condition hour hands exchange frequency demodulated signal after signal to noise ratio be provided with threshold value, then in the process play in FM broadcasting the signal quality parameter that detects also be FM signal demodulation after signal to noise ratio.
S103, (according to the play mode switching condition preset and the signal quality parameter detected) judges whether the switching needing to carry out play mode.
This determining step carries out after detecting step, and usual detecting step each time corresponds to once follow-up determining step.As previously mentioned, detecting step can carry out in the process of FM broadcasting broadcasting in terminal, timing or sporadically carry out, so correspondingly, FM broadcasting playing process also need timing or sporadically carry out repeatedly determining step.
In concrete enforcement, if the play mode switching condition preset is: when the signal to noise ratio after FM signal demodulation is less than 40dB, switch to the second play mode, and the signal to noise ratio after the FM signal demodulation detected is 37dB.So, illustrate that carrying out broadcasting according to the first play mode can exist the poor problem of signal quality, draws the judgement needing to switch to the second play mode.
If the play mode switching condition preset is: when the signal to noise ratio after FM signal demodulation is greater than 44dB, switch to the first play mode, and the signal to noise ratio after the FM signal demodulation detected is 48dB.So, adopt the first play mode to carry out playing and also can not there is the poor problem of signal quality even if illustrate, draw the judgement needing to switch to the first play mode.
S104, switches to the second play mode by the first play mode, or switches to the first play mode by the second play mode.
After above-mentioned determining step, if desired carry out the switching of play mode, then carry out mode handoff procedures.Particularly, terminal can support the two-way switching between the first play mode and the second play mode, also only can support unidirectional handover.
S105, carries out the broadcasting of FM broadcasting with the play mode after switching.
After above-mentioned mode handoff procedures, terminal carries out the broadcasting of FM broadcasting with the play mode after switching.
S106, carries out the broadcasting of FM broadcasting with former play mode.
After above-mentioned determining step, carry out the switching of play mode if do not need, then do not carry out above-mentioned mode handoff procedures, but directly carry out the broadcasting of FM broadcasting with former play mode.
Can be found out by the above description to technical scheme: compared with prior art, in the process that FM broadcasting of the present invention is play, frequency-modulation broadcasting detects based on the signal quality parameter of legacy frequencies modulation technique, and judge whether it meets default play mode switching condition, thus the automatic switchover achieved between two kinds of play mode, both ensure that the signal quality of FM broadcasting, turn avoid increasing considerably of data service flow simultaneously.And the present invention is mainly through arranging corresponding software to realize, without the need to extra hardware cost.
As described below, the embodiment of the present invention provides a kind of FM broadcasting playing device.
With reference to the FM broadcasting playing device structured flowchart shown in Fig. 2:
Described FM broadcasting playing device comprises default unit 201, broadcast unit 202, detecting unit 203, judging unit 204 and switch unit 205; Wherein the major function of each unit is as follows:
Preset unit 201, for default play mode switching condition;
Broadcast unit 202, for carrying out FM broadcasting broadcasting;
Detecting unit 203, for carrying out in the process of FM broadcasting broadcasting at described broadcast unit 202, detect the signal quality parameter of FM broadcasting based on the first play mode, described signal quality parameter is corresponding with described switching condition;
Judging unit 204, for the signal quality parameter that the play mode switching condition preset according to described default unit 201 and described detecting unit 203 detect, judges whether the switching needing to carry out play mode;
Switch unit 205, for judging to need to carry out play mode switching at described judging unit 204, switching to the second play mode by the first play mode, or switching to the first play mode by the second play mode;
Wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
In concrete enforcement, in the overall process can carrying out FM broadcasting broadcasting at described broadcast unit with the first play mode and/or the second play mode or partial routine, described detecting unit 203 timing or sporadically detect the signal quality parameter of FM broadcasting based on the first play mode.
In the above-described embodiments, in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode in terminal or partial routine, timing or sporadically detect FM broadcasting based on the signal quality parameter of the first play mode, thus can by user from main separation the need of the function of enabling and when enabling play mode and automatically switching.
In concrete enforcement, the described play mode switching condition that described default unit 201 is preset can be specifically: arrange corresponding threshold value for one or more signal quality parameter, when the signal quality parameter that described detecting unit 203 detects meets predetermined condition relative to described threshold value, described switch unit 205 carries out the switching of play mode.
In the above-described embodiments, corresponding threshold value is set for one or more signal quality parameter, makes to consider in conjunction with multinomial signal quality parameter about the need of the judgement carrying out play mode switching, thus judgement is more accurate.
In concrete enforcement, described signal quality parameter can be: the signal to noise ratio after FM signal demodulation, or one or more in signal strength signal intensity before FM signal demodulation.
In concrete enforcement, described quenching frequency modulation technique realizes the broadcasting of FM broadcasting by the approach obtaining information of Internet resources, and the approach of described Internet resources can be specifically: one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000.
This FM broadcasting playing device first presets play mode switching condition by presetting unit 201, carry out in the process of FM broadcasting broadcasting at broadcast unit 202, detecting unit 203 detects the signal quality parameter of FM broadcasting based on the first play mode, the play mode switching condition that described judging unit 204 is preset according to described default unit 201 and the signal quality parameter that described detecting unit 203 detects, judge whether the switching needing to carry out play mode, if desired the switching of play mode is carried out, then switch to the second play mode by described switch unit 205 by the first play mode, or switch to the first play mode by the second play mode, described broadcast unit 202 carries out the broadcasting of FM broadcasting with the play mode after switching, the switching of play mode is carried out if do not need, then described broadcast unit 202 carries out the broadcasting of FM broadcasting with former play mode.Wherein, described signal quality parameter is corresponding with described switching condition, and described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
Can be found out by the above description to technical scheme: compared with prior art, in the process that FM broadcasting of the present invention is play, frequency-modulation broadcasting detects based on the signal quality parameter of legacy frequencies modulation technique, and judge whether it meets default play mode switching condition, thus the automatic switchover achieved between two kinds of play mode, both ensure that the signal quality of FM broadcasting, turn avoid increasing considerably of data service flow simultaneously.And the present invention is mainly through arranging corresponding software to realize, without the need to extra hardware cost.
As described below, the embodiment of the present invention provides a kind of intelligent terminal.
Described intelligent terminal possesses the function of carrying out FM broadcasting broadcasting with the first play mode and the second play mode simultaneously, wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
Be with the difference of prior art, this intelligent terminal also comprise as in previous embodiment of the present invention the FM broadcasting playing device that provides.Thus in the process that this intelligent terminal can be play in FM broadcasting, frequency-modulation broadcasting detects based on the signal quality parameter of legacy frequencies modulation technique, and judge whether it meets default play mode switching condition, thus the automatic switchover achieved between two kinds of play mode, both ensure that the signal quality of FM broadcasting, turn avoid increasing considerably of data service flow simultaneously.And above-mentioned improvement is mainly through arranging corresponding software to realize, without the need to adding extra hardware for terminal, thus also extra hardware cost can not be increased.
In concrete enforcement, described intelligent terminal can be smart mobile phone, intelligent watch or panel computer.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (12)
1. a FM broadcasting player method, is characterized in that, comprising:
Preset play mode switching condition;
Carry out in the process of FM broadcasting broadcasting in terminal, detect the signal quality parameter of FM broadcasting based on the first play mode, described signal quality parameter is corresponding with described switching condition;
According to the play mode switching condition preset and the signal quality parameter detected, judge whether the switching needing to carry out play mode;
If desired carry out the switching of play mode, then switch to the second play mode by the first play mode, or switch to the first play mode by the second play mode, and carry out the broadcasting of FM broadcasting with the play mode after switching;
Carry out the switching of play mode if do not need, then carry out the broadcasting of FM broadcasting with former play mode;
Wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
2. FM broadcasting player method as claimed in claim 1, it is characterized in that, carry out in the process of FM broadcasting broadcasting in terminal, detect FM broadcasting based on the first play mode signal quality parameter specifically: in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode in terminal or partial routine, timing or sporadically detect the signal quality parameter of FM broadcasting based on the first play mode.
3. FM broadcasting player method as claimed in claim 1, it is characterized in that, described play mode switching condition is specifically: arrange corresponding threshold value for one or more signal quality parameter, when the signal quality parameter detected meets predetermined condition relative to described threshold value, carry out the switching of play mode.
4. FM broadcasting player method as claimed in claim 3, it is characterized in that, described signal quality parameter is: the signal to noise ratio after FM signal demodulation, or one or more in signal strength signal intensity before FM signal demodulation.
5. FM broadcasting player method as claimed in claim 1, it is characterized in that, described quenching frequency modulation technique realizes the broadcasting of FM broadcasting by the approach obtaining information of Internet resources, the approach of described Internet resources specifically: one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000.
6. a FM broadcasting playing device, is characterized in that, comprising: preset unit, broadcast unit, detecting unit, judging unit and switch unit; Wherein:
Preset unit, for default play mode switching condition;
Broadcast unit, for carrying out FM broadcasting broadcasting;
Detecting unit, for carrying out in the process of FM broadcasting broadcasting at described broadcast unit, detect the signal quality parameter of FM broadcasting based on the first play mode, described signal quality parameter is corresponding with described switching condition;
Judging unit, for the signal quality parameter that the play mode switching condition preset according to described default unit and described detecting unit detect, judges whether the switching needing to carry out play mode;
Switch unit, for judging to need to carry out play mode switching at described judging unit, switching to the second play mode by the first play mode, or switching to the first play mode by the second play mode;
Wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, and described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting.
7. FM broadcasting playing device as claimed in claim 6, it is characterized in that, in the overall process of carrying out FM broadcasting broadcasting with the first play mode and/or the second play mode at described broadcast unit or partial routine, described detecting unit timing or sporadically detect the signal quality parameter of FM broadcasting based on the first play mode.
8. FM broadcasting playing device as claimed in claim 6, it is characterized in that, described default unit preset described play mode switching condition specifically: for one or more signal quality parameter, corresponding threshold value is set, when the signal quality parameter that described detecting unit detects meets predetermined condition relative to described threshold value, described switch unit carries out the switching of play mode.
9. FM broadcasting playing device as claimed in claim 8, it is characterized in that, described signal quality parameter is: the signal to noise ratio after FM signal demodulation, or one or more in signal strength signal intensity before FM signal demodulation.
10. FM broadcasting playing device as claimed in claim 6, it is characterized in that, described quenching frequency modulation technique realizes the broadcasting of FM broadcasting by the approach obtaining information of Internet resources, the approach of described Internet resources specifically: one or more in Wireless Fidelity, Long Term Evolution, TD SDMA, Wideband Code Division Multiple Access (WCDMA), enhanced data rates for gsm evolution, general packet radio service, code division multiple access or CDMA 2000.
11. 1 kinds of intelligent terminals, described intelligent terminal possesses the function of carrying out FM broadcasting broadcasting with the first play mode and the second play mode simultaneously, wherein, described first play mode adopts frequency modulating technology to carry out the broadcasting of FM broadcasting, described second play mode adopts quenching frequency modulation technique to carry out the broadcasting of FM broadcasting, it is characterized in that, also comprise the FM broadcasting playing device according to any one of claim 6 to 10.
12. intelligent terminals as claimed in claim 11, it is characterized in that, described intelligent terminal is smart mobile phone, intelligent watch or panel computer.
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| CN103345175A (en) * | 2013-07-11 | 2013-10-09 | 林友谊 | Bi-directional automatic-sensing switching device of automobile radio |
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