CN104038881A - Intelligent terminal and audio amplifying method thereof - Google Patents
Intelligent terminal and audio amplifying method thereof Download PDFInfo
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- CN104038881A CN104038881A CN201410255845.5A CN201410255845A CN104038881A CN 104038881 A CN104038881 A CN 104038881A CN 201410255845 A CN201410255845 A CN 201410255845A CN 104038881 A CN104038881 A CN 104038881A
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Abstract
The invention discloses an intelligent terminal and an audio amplifying method thereof. When pairing with an intelligent panel, a pairing request signal is sent by adopting a close-range small-power way to ensure the intelligent panel to be only able to receive signals in a small range and prevent interference from signals sent by other intelligent panels. After pairing is successful, the power of sending the signals is increased to ensure that a long-distance voice signal also can be sent to the intelligent panel correctly for audio amplification, so that a complete audio amplification process is realized. Therefore, the audio amplification request is not only guaranteed, crosstalk among the pairing signals is also overcome, and consumption of an electric energy is saved due to power adjustment.
Description
Technical field
The present invention relates to electronic circuit technology field, particularly relate to a kind of intelligent terminal and audio amplifying method thereof.
Background technology
In the occasion such as classroom, meeting room, often need large-screen display equipment in order to show speech content.Along with the development in intelligent epoch, large-screen display equipment, except basic Presentation Function, also possesses the functions such as the manipulation of touch, becomes the all-in-one of set teleputer, example Intelligent flat as shown in Figure 1.
Be subject to the restriction of volume and weight, above-mentioned Intelligent flat can not arbitrarily move as small and exquisite panel computer.Speaker is for operative intelligence flat board, takes into account and audience's interaction simultaneously, conventionally needs a remote control equipment.This remote control equipment and speaker's microphone is integrated, can become the auxiliary equipment of giving lessons.Popular in view of intelligent terminals such as smart mobile phones, is write the function correspondence of the auxiliary equipment of giving lessons as application program, and is downloaded to intelligent terminal, and this intelligent terminal becomes a terminal with the auxiliary function of giving lessons.
Above-mentioned intelligent terminal is assisted and is given lessons before function in performance, and first necessary and Intelligent flat pairing, after connecting, could communicate with Intelligent flat.In pairing process, intelligent terminal first sends pairing request, and Intelligent flat detects after request signal, accepts request, successful matching.But, in the situation that such as teaching building etc. comprises multiple classrooms and gives lessons simultaneously, classroom under the next classroom, upstairs house is all likely prior to this classroom or send pairing request simultaneously, the pairing request signal in other classrooms will cause and crosstalk the pairing request signal of this classroom intelligent terminal, may cause the intelligent terminal of the next classroom to be paired to the Intelligent flat in this classroom, and the intelligent terminal in this classroom cannot with the Intelligent flat pairing in this classroom.
Summary of the invention
Based on above-mentioned situation, the present invention proposes a kind of intelligent terminal and audio amplifying method thereof, to solve the problem of signal cross-talk in pairing process, do not affect amplifying effect simultaneously.
An audio amplifying method for intelligent terminal, comprises step:
With the pairing coverage of public address equipment in, adopt predetermined power transmitting pairing request signal, described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment;
After successful matching, increase described predetermined power, with the amplifying in coverage of described public address equipment, the voice signal of collecting according to intelligent terminal described in the power emission after increasing is to described public address equipment, power after increase with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
A kind of intelligent terminal, comprises microphone, signal transmission circuit and power control circuit;
The transmitting power of described signal transmission circuit is controlled at predetermined power by described power control circuit, described signal transmission circuit with the pairing coverage of public address equipment in, according to described predetermined power transmitting pairing request signal, described power control circuit is controlled the transmitting power that increases described signal transmission circuit after successful matching, the sound that described microphone is collected in environment forms voice signal, described signal transmission circuit with the amplifying in coverage of described public address equipment, according to the power after increasing, described voice signal is sent to public address equipment;
Described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment; Power after described signal transmission circuit increases with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
Intelligent terminal of the present invention and audio amplifying method thereof, in the time matching with Intelligent flat, adopt closely low power mode to launch pairing request signal, ensures that Intelligent flat can only receive interior among a small circle signal, prevents the interference that other Intelligent flats transmit.After successful matching, tune up the power transmitting, to ensure that remote voice signal also can correctly send to Intelligent flat to amplify, thereby realize the complete process that amplifies.Visible, the present invention had both ensured the demand of amplifying, and had overcome again crosstalking between pairing signal, also because power consumption has been saved in the adjustment of power.
Brief description of the drawings
Fig. 1 is the Intelligent flat schematic diagram that current collection is looked computer function and one;
Fig. 2 is the schematic flow sheet of the audio amplifying method of intelligent terminal of the present invention;
Fig. 3 is the structural representation of intelligent terminal of the present invention.
Embodiment
Based on the introduction of background technology, the mode that can turn each intelligent terminal transmitting power down by unification reduces crosstalks, but the reduction of transmitting power will affect amplifying effect, may occur that teacher goes to centre position, classroom, Intelligent flat cannot receive the situation of microphone voice.Visible, matching with amplifying is contradiction.The present invention, in order to solve this contradiction, from regulating the angle of transmitting power, has proposed a kind of new intelligent terminal and audio amplifying method thereof, explains in detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 2, the audio amplifying method of intelligent terminal of the present invention, comprising:
Step s101, with the pairing coverage of public address equipment in, adopt predetermined power transmitting pairing request signal.Described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment.
Intelligent terminal belongs to pick up facility, and what the sound of its collection was amplified is public address equipment, and the pairing of intelligent terminal is to liking public address equipment.In order to reduce the interference of other intelligent terminal signals, by intelligent terminal, the transmission power setting in the time matching is a smaller value, i.e. described predetermined power in the present invention.While adopting this predetermined power transmitting pairing request signal, while only transmitting in specific range is described pairing coverage, could be detected by public address equipment, exceed pairing coverage, when pairing request signal arrives public address equipment, signal strength signal intensity has been reduced to the degree that public address equipment cannot detect.The intelligent terminal in other classrooms is generally beyond 1 meter of this classroom public address equipment, it also adopts described predetermined power transmitting pairing request signal, its pairing request signal cannot arrive this classroom, or arrive behind this classroom, signal strength signal intensity has dropped to the level that is difficult to the pairing request signal in this classroom to cause interference.
After step s102, successful matching, increase described predetermined power.
Step s103, with the amplifying in coverage of described public address equipment, the voice signal of collecting according to intelligent terminal described in the power emission after increasing is to described public address equipment.Power after increase with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
Public address equipment detects after the pairing request signal of intelligent terminal, accepts request, and successful matching, both lock mutually.Intelligent terminal now can gather sound and be converted to voice signal and be sent to public address equipment, still adopt the predetermined power in step s101 if send voice signal, the coverage that amplifies also will be limited in pairing coverage, this is obviously inappropriate, and speaker or teacher need to constantly walk about in meeting room or classroom.Thereby, transmitting power is tuned up, adopt high-power transmitting voice signal, even if teacher arranges after going to classroom, the sound that microphone collects still can be correctly sent to public address equipment and be amplified.
Described public address equipment can be specifically the described Intelligent flat with sound amplification function, and described intelligent terminal can be to have to record the also smart mobile phone of processed voice function, and the pairing request signal of launching preferably adopts the radiofrequency signal of 5.8GHz.Consider that best applications scene of the present invention is classroom, pairing coverage is preferably set as 1 meter, and the coverage that amplifies is preferably set as 15 meters.Teacher is matching apart from 1 meter of Intelligent flat, intelligent terminal is now in pairing mode, transmitting power is small-power, when after successful matching, proceeds to the pattern of amplifying, transmitting power jumps to high-power automatically, teacher now departs from distance limit, walks about arbitrarily and give lessons in classroom, and its sound all will be delivered to Intelligent flat by intelligent terminal, after being amplified by the power amplifier unit of Intelligent flat, play back, in classroom, each row's student can hear the content that teacher says.In the time changing to lyceum from little classroom, can, by arranging, the transmitting power that amplifies of intelligent terminal further be increased, the coverage that amplifies also increases thereupon, to ensure that the every nook and cranny of lyceum can not hear teacher's speech.
Be more than the audio amplifying method of intelligent terminal of the present invention, according to the method design hardware circuit, designed circuit be integrated in traditional intelligent terminal, form intelligent terminal of the present invention, explain in detail this intelligent terminal below in conjunction with accompanying drawing.
Intelligent terminal of the present invention, as shown in Figure 3, comprises microphone, signal transmission circuit and power control circuit.
The transmitting power of described signal transmission circuit is controlled at predetermined power by described power control circuit, described signal transmission circuit with the pairing coverage of public address equipment in, according to described predetermined power transmitting pairing request signal, described power control circuit is controlled the transmitting power that increases described signal transmission circuit after successful matching, the sound that described microphone is collected in environment forms voice signal, described signal transmission circuit with the amplifying in coverage of described public address equipment, according to the power after increasing, described voice signal is sent to public address equipment;
Described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment; Power after described signal transmission circuit increases with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
Described pairing coverage is preferably set as 1 meter, described in the coverage that amplifies be preferably set as 15 meters.Described pairing request signal preferably adopts the radiofrequency signal of 5.8GHz, and described intelligent terminal preferably adopts the mobile phone with sound-recording function, and described public address equipment preferably adopts the Intelligent flat with voice enlarging function.
Because the technical characterictic of this intelligent terminal is corresponding with said method, thereby the part repeating repeats no more.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an audio amplifying method for intelligent terminal, is characterized in that, comprises step:
With the pairing coverage of public address equipment in, adopt predetermined power transmitting pairing request signal, described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment;
After successful matching, increase described predetermined power, with the amplifying in coverage of described public address equipment, the voice signal of collecting according to intelligent terminal described in the power emission after increasing is to described public address equipment, power after increase with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
2. the audio amplifying method of intelligent terminal according to claim 1, is characterized in that,
Described pairing coverage is 1 meter.
3. the audio amplifying method of intelligent terminal according to claim 1 and 2, is characterized in that,
The described coverage that amplifies is 15 meters.
4. the audio amplifying method of intelligent terminal according to claim 1 and 2, is characterized in that,
The radiofrequency signal that described pairing request signal is 5.8GHz.
5. the audio amplifying method of intelligent terminal according to claim 1 and 2, is characterized in that,
Described intelligent terminal is the mobile phone with sound-recording function, and described public address equipment is the Intelligent flat with voice enlarging function.
6. an intelligent terminal, is characterized in that,
Comprise microphone, signal transmission circuit and power control circuit;
The transmitting power of described signal transmission circuit is controlled at predetermined power by described power control circuit, described signal transmission circuit with the pairing coverage of public address equipment in, according to described predetermined power transmitting pairing request signal, described power control circuit is controlled the transmitting power that increases described signal transmission circuit after successful matching, the sound that described microphone is collected in environment forms voice signal, described signal transmission circuit with the amplifying in coverage of described public address equipment, according to the power after increasing, described voice signal is sent to public address equipment;
Described predetermined power and described pairing coverage adapt, and described pairing coverage is for preventing the coverage between the predefined described intelligent terminal of signal cross-talk and public address equipment; Power after described signal transmission circuit increases with described in the coverage that amplifies adapt, described in the coverage that amplifies be the coverage adapting with the space size of application scenarios and the power amplification multiple of signal transmission circuit.
7. intelligent terminal according to claim 6, is characterized in that,
Described pairing coverage is 1 meter.
8. according to the intelligent terminal described in claim 6 or 7, it is characterized in that,
The described coverage that amplifies is 15 meters.
9. according to the intelligent terminal described in claim 6 or 7, it is characterized in that,
The radiofrequency signal that described pairing request signal is 5.8GHz.
10. according to the intelligent terminal described in claim 6 or 7, it is characterized in that,
Described intelligent terminal is the mobile phone with sound-recording function, and described public address equipment is the Intelligent flat with voice enlarging function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410255845.5A CN104038881A (en) | 2014-06-10 | 2014-06-10 | Intelligent terminal and audio amplifying method thereof |
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| CN201410255845.5A CN104038881A (en) | 2014-06-10 | 2014-06-10 | Intelligent terminal and audio amplifying method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219390A (en) * | 2014-09-17 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Mobile terminal and sound recording method and device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102868425A (en) * | 2011-07-07 | 2013-01-09 | 深圳市华奥通通信技术有限公司 | Micropower wireless communication device |
| CN202798680U (en) * | 2012-06-19 | 2013-03-13 | 杨子忠 | System with short-distance starting frequency-comparison 2.4G digital wireless microphone and a plurality of simultaneously used wireless audio frequency transmission receivers |
| CN203630989U (en) * | 2013-11-29 | 2014-06-04 | 文杰 | Teaching public address system based on mobile phone bluetooth function |
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2014
- 2014-06-10 CN CN201410255845.5A patent/CN104038881A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868425A (en) * | 2011-07-07 | 2013-01-09 | 深圳市华奥通通信技术有限公司 | Micropower wireless communication device |
| CN202798680U (en) * | 2012-06-19 | 2013-03-13 | 杨子忠 | System with short-distance starting frequency-comparison 2.4G digital wireless microphone and a plurality of simultaneously used wireless audio frequency transmission receivers |
| CN203630989U (en) * | 2013-11-29 | 2014-06-04 | 文杰 | Teaching public address system based on mobile phone bluetooth function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104219390A (en) * | 2014-09-17 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Mobile terminal and sound recording method and device thereof |
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Application publication date: 20140910 |