CN104113816A - Electronic device and earphone detection method - Google Patents
Electronic device and earphone detection method Download PDFInfo
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- CN104113816A CN104113816A CN201310133109.8A CN201310133109A CN104113816A CN 104113816 A CN104113816 A CN 104113816A CN 201310133109 A CN201310133109 A CN 201310133109A CN 104113816 A CN104113816 A CN 104113816A
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- earphone
- electronic installation
- microphone
- conductive plug
- loudspeaker arrangement
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Abstract
本发明提供一种电子装置及耳机检测方法。耳机检测方法适用于具有耳机接孔的电子装置，耳机检测方法包括：检测耳机接孔是否插入扬声装置的传导插头；当传导插头插入耳机接孔时，对传导插头的麦克风接点进行录音以产生录音结果，并判断录音结果是否包括音源信号；以及当录音结果中包括音源信号时，判定扬声装置具有麦克风功能。
The present invention provides an electronic device and an earphone detection method. The earphone detection method is applicable to an electronic device with an earphone jack, and the earphone detection method comprises: detecting whether a conductive plug of a speaker device is inserted into the earphone jack; when the conductive plug is inserted into the earphone jack, recording a microphone contact of the conductive plug to generate a recording result, and judging whether the recording result includes a sound source signal; and when the recording result includes a sound source signal, judging that the speaker device has a microphone function.
Description
Technical field
The invention relates to a kind of earphone detecting method, and relate to especially a kind of electronic installation and earphone detecting method whether by software detection earphone with microphone function.
Background technology
Consumer is using electronic product now, for example hand-held moving device, PC (personal computer, PC), one-body molded PC (All-in-One, AIO) etc., often all possesses the function that has audio frequency to play, consumer only needs to connect loudspeaker arrangement, for example, be earphone (headset), external sound amplifying loudspeaker etc., can reach effect of listening to or playing music.In addition, consumer also can connect electronic product microphone (microphone, MIC) device, and can carry out similarly is the speech voice input function of recording, call etc.And along with scientific and technological progress, the build of electronic product now does less and less, so that tradition is used earphone and the MIC of jack to be separately eliminated gradually, and then develop the earphone (namely ear microphone) in conjunction with MIC function, have both functions such as playing music, call, recording simultaneously, thereby greatly increase consumer's convenience and diversity in the use.
But, general electronic product is on the market if use while having the earphone of MIC function, in described electronic product, generally need to have MIC testing circuit, can judge whether the earphone inserting has MIC function by MIC testing circuit, thereby corresponding function services is provided.But in the electronic product of limited space now, MIC testing circuit be set, generally all can take many usage spaces, cause design upper not convenient so that certainly will sacrifice other functional circuit.
Summary of the invention
The invention provides a kind of electronic installation and earphone detecting method, whether its earphone that can be connected with electronic installation by software detection has microphone function, and do not need additionally to connect microphone testing circuit, thereby save the usage space of the shared electronic installation of microphone testing circuit inside.
The present invention proposes a kind of earphone detecting method, is applicable to have earphone and connects the electronic installation in hole, and earphone detecting method comprises: Test earphone connects hole and whether insert the conductive plug of loudspeaker arrangement; In the time that conductive plug plugged earphone connects hole, the microphone contact of conductive plug is recorded to produce recording result, and judge whether recording result comprises sound source signal; And in the time that recording result comprises sound source signal, judge that loudspeaker arrangement has microphone function.
The present invention proposes a kind of electronic installation, comprises that earphone connects hole, plug detecting unit and audio process.Plug detecting unit is coupled to earphone and connects hole, connects hole and whether insert the conductive plug of loudspeaker arrangement in order to the earphone of detection. electronics.Audio process couples plug detecting unit, in the time conductive plug being detected plugged earphone connect hole, microphone contact to conductive plug records to produce recording result, and judge whether recording result comprises sound source signal, wherein, in the time that recording result comprises sound source signal, judge that loudspeaker arrangement has microphone function.
Based on above-mentioned, electronic installation proposed by the invention and earphone detecting method can insert after the conductive plug of loudspeaker arrangement, directly record to produce recording result for the microphone contact of conductive plug, and judge in recording result whether comprise sound source signal, can judge that the loudspeaker arrangement of insertion has the function of microphone.Also therefore, the present invention only needs or not additionally to connect microphone testing circuit by the detection of software, takies the usage space of electronic installation inside, to such an extent as to can have more polynary selection thereby can save microphone testing circuit in the design of usage space.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Brief description of the drawings
Fig. 1 is the flow chart according to the earphone detecting method of one embodiment of the invention explanation electronic installation;
Fig. 2 A is the block schematic diagram according to the electronic installation of the first embodiment of the present invention;
Fig. 2 B is the block schematic diagram according to the electronic installation of the second embodiment of the present invention;
Fig. 2 C is the block schematic diagram according to the electronic installation of the third embodiment of the present invention;
Fig. 2 D is the block schematic diagram according to the electronic installation of the fourth embodiment of the present invention;
Fig. 3 A is the operation chart according to the audio process of one embodiment of the invention;
Fig. 3 B is the operation chart according to the audio process of one embodiment of the invention.
Description of reference numerals:
MIC: microphone contact;
GND: ground contact;
R: R channel contact;
L: L channel contact;
S100-S145: step;
100: electronic installation;
120: plug detecting unit;
122,124,126,128: tie point;
130: earphone connects hole;
140: audio process;
150: processing unit;
210: conductive plug;
220: loudspeaker arrangement;
250: system microphone;
310: recording path (ear microphone);
320: recording path (system microphone);
330: signal amplifier.
Embodiment
With detailed reference to example embodiment of the present invention, the example of described example embodiment is described in the accompanying drawings.In addition, all may part, in graphic and execution mode, use the identical or similar portions of the element/member/symbology of same numeral.
Fig. 1 is that Fig. 2 A is the block schematic diagram according to the electronic installation of the first embodiment of the present invention according to the flow chart of the earphone detecting method of one embodiment of the invention explanation electronic installation.Please also refer to Fig. 1 and Fig. 2 A, in step S100, the earphone of plug detecting unit 120 detection. electronics 100 connects hole 130 and whether inserts the conductive plug 210 of loudspeaker arrangement 220.In the time that step S100 is "No", plug detecting unit 120 can be got back to step S100 to continue detection.
When conductive plug 210 is when plugged earphone has connect hole 130 (when namely step S100 is "Yes"), enter step S110, audio process 140 closes the recording path of system microphone 250 in closing electronic device 100, and starts the recording path of the ear microphone that is connected to loudspeaker arrangement 220.Secondly, the alternative step of carrying out is that the signal gain value that audio process 140 can improve electronic installation 100 is peak signal yield value.Finally, audio process 140 records to produce recording result (mode of operation of above-mentioned steps S110 will be elaborated at Fig. 3 A-3B) to the microphone contact MIC of conductive plug 210.And after step S110 completes, entered in step S120 by step S110.
In step S120, audio process 140 can be sent to processing unit 150 by recording result, judges for processing unit 150 whether recording result comprises sound source signal.In the time that processing unit 150 judgement recording results comprise sound source signal, enter step S130 from step S120, represent that the loudspeaker arrangement 220 inserting has the function of microphone, the loudspeaker arrangement 220 that is also this insertion is microphone earphone.Then, enter step S135 by step S130, audio process 140 can revert to preset signals yield value by peak signal yield value, and continues the recording path (this part will be elaborated in Fig. 3 A-3B) of the ear microphone that uses loudspeaker arrangement 220.
Relatively, in the time that processing unit 150 judgement recording results do not comprise sound source signal, enter step S140 from step S120, represent that the loudspeaker arrangement 220 inserting does not have the function of microphone, the loudspeaker arrangement 220 that is also this insertion is general earphone or external sound amplifying loudspeaker etc.Then, enter step S145 by step S140, audio process 140 can revert to preset signals yield value by peak signal yield value, and close the recording path of the ear microphone that is connected to loudspeaker arrangement 220, and restart the recording path (this part will be elaborated in Fig. 3 A-3B) of system microphone 250 in electronic installation 100.
It should be noted that in the present embodiment, the step of above-mentioned earphone detecting method need complete in specified time interval.For example, described specified time interval can be within 2 milliseconds (ms), but not as restriction.
Please continue with reference to figure 2A, electronic installation 100 can be notebook computer, panel computer, smart mobile phone, MP3 player ... etc.Electronic installation 100 comprises earphone jack 130, be connected to the plug detecting unit 120 of earphone jack 130 and the audio process 140 in order to the send and receive of audio signal.In the present embodiment, audio process 140 can be audio digital signal processor (Audio DSP), audio codec (Coder decoder, Codec) or the two set, but not as restriction.
In addition, electronic installation 100 also comprises processing unit 150, wherein processing unit 150 can be CPU (the Central Processing Unit in notebook computer or panel computer, and/or bracket signal hub CPU), also can be the embedded wafer that is used in particular for controlling audio process 140, but not as restriction.
In Fig. 2 A, earphone connects hole 130 and sequentially has from left to right tie point 122,124,126 and 128, wherein each tie point can correspond to respectively microphone contact MIC, ground contact GND, R channel contact R and the L channel contact L in conductive plug 210, as shown in Figure 2 A.But, above-mentioned earphone connects the visual actual design/application demand that puts in order of microphone contact MIC, ground contact GND, R channel contact R and L channel contact L in each tie point 122,124,126 and 128 and the conductive plug 210 in hole 130 and changes, but not as restriction.For example, R channel contact R in conductive plug 210 and L channel contact L displacement position mutually, but R channel contact R and L channel contact L displacement position mutually in conductive plug 210, the tie point 126 and 128 that earphone connects hole 130 also needs corresponding displacement position to receive corresponding sound source signal.
In addition, different vendor also can be slightly different for the arrangement mode of microphone contact MIC, ground contact GND in conductive plug 210.Widely to use at present the arrangement mode of the each contact in the conductive plug 210 with microphone contact MIC to have two kinds, the one arrangement mode that normally apple (Apple) company mainly adopts, wherein the ground contact GND in conductive plug 210 is arranged between microphone contact MIC and R channel contact R and L channel contact L, namely be sequentially from left to right microphone contact MIC, ground contact GND, R channel contact R and L channel contact L, therefore earphone connects each tie point in hole 130 and also sequentially corresponds to from left to right tie point 122, 124, 126 and 128 arrangement mode (as shown in Figure 2 A).
Another arrangement mode that normally other companies mainly adopt, wherein the microphone contact MIC in conductive plug 210 is arranged between ground contact GND and R channel contact R and L channel contact L, namely be sequentially from left to right ground contact GND, microphone contact MIC, R channel contact R and L channel contact L, also sequentially correspond to from left to right the arrangement mode of tie point 124,122,126 and 128 therefore earphone connects each tie point in hole 130.But, though only illustrating conductive plug 210, Fig. 2 A there is microphone contact MIC, if loudspeaker arrangement 220 does not have microphone function, in conductive plug 210, do not there is microphone contact MIC, and its position will be done to replace with ground contact GND.
It should be noted that, in the present embodiment, what the detection contact of plug detecting unit 120 and earphone connect that the tie point 128 in hole 130 adopts is normality open circuit (normal open), to such an extent as to the conductive plug 210 that plug detecting unit 120 can detect speaker unit 220 the detection contact of conduction plug detecting unit 120 and earphone connect the tie point 128 in hole 130, if so, the conductive plug 210 that represents speaker unit 220 plugged earphone connects in hole 130.
Fig. 2 B is the block schematic diagram according to the electronic installation of the second embodiment of the present invention.In the present embodiment, what the detection contact of plug detecting unit 120 and earphone connect that the tie point 126 in hole 130 adopts is normality open circuit, to such an extent as to the conductive plug 210 that plug detecting unit 120 can detect speaker unit 220 the detection contact of conduction plug detecting unit 120 and earphone connect the tie point 126 in hole 130, if so, the conductive plug 210 that represents speaker unit 220 plugged earphone connects in hole 130.
Fig. 2 C is the block schematic diagram according to the electronic installation of the third embodiment of the present invention, and Fig. 2 D is the block schematic diagram according to the electronic installation of the fourth embodiment of the present invention.It should be noted, the difference of Fig. 2 C and Fig. 2 D is, in Fig. 2 C, the tie point 124 that the detection contact of plug detecting unit 120 and earphone connect hole 130 adopts the mode of normality open circuit, and in Fig. 2 D, the tie point 124 that the detection contact of plug detecting unit 120 and earphone connect hole 130 adopts the mode of normality closed circuit (normal close), and its object is all that whether plugged earphone connects in hole 130 for conductive plug 210 for judging speaker unit 220.But the detection contact of the plug detecting unit in Fig. 2 A-2D and earphone connect normality open circuit or the closed circuit visual actual design/application demand of annexation of normality that the tie point in hole adopts and change, but not as restriction.
Fig. 3 A is the operation chart according to the audio process of one embodiment of the invention.Please also refer to Fig. 1, Fig. 2 A and Fig. 3 A, in the present embodiment, audio process 140 comprises the recording path 320 of the system microphone 250 in recording path 310 and the connection of electronic devices of the ear microphone that is connected to loudspeaker arrangement 220.Insert the earphone of electronic installation 100 and connect behind hole 130 (being step 100) when plug testing circuit 120 detects the conductive plug 210 of loudspeaker arrangement 220, audio process 140 can close the recording path 320 of system microphone 250 in this electronic installation, and startup is connected to the recording path 310 of the ear microphone of loudspeaker arrangement 220, as shown in Figure 3A, then, the microphone contact MIC of the conductive plug 210 of audio process 140 to loudspeaker arrangement 220 records to produce recording result and is sent to processing unit 150 (being step 110), judge for processing unit 150 whether recording result comprises sound source signal (being step 120).
On the other hand, audio process 140 also comprises signal amplifier 330, and wherein said signal amplifier 330 has signal gain value, gains in order to the recording result for receiving.In the present embodiment, the object that audio process 140 utilizes signal amplifier 330 to gain to the recording result receiving is, in order to allow processing unit 150 more easily judge whether the recording result receiving comprises sound source signal.That is to say, (being step 100) after the conductive plug 210 of loudspeaker arrangement 220 is inserted the earphone of electronic installation 100 to connect hole 130 detected at plug testing circuit 120, it is peak signal yield value that audio process 140 improves the wherein signal gain value of signal amplifier 330, in order to amplify the sound source signal in recording result, even in sound source signal slightly and unconspicuous noise (being step 110), can more clearly judge whether the result of recording comprises sound source signal (being step 120) for processing unit 150.In other words, processing unit 150 can judge whether the loudspeaker arrangement 220 that plugged earphone connects hole 130 has microphone function.
In other embodiments, if processing unit 150 can not need the signal gain value of signal amplifier 330 to adjust to peak signal yield value, just can from recording result, judge environment noise or related audio, this case embodiment also can not need to adjust the signal gain value of electronic installation in step S110, S135 and S145.
Fig. 3 B is the operation chart according to the audio process of one embodiment of the invention.Please also refer to Fig. 1, Fig. 2 A and Fig. 3 B, in the present embodiment, when judging the loudspeaker arrangement 220 that plugged earphone connects hole 130, processing unit 150 do not have after microphone function (being step 140), audio process 140 can be closed the recording path 310 of the ear microphone that is connected to loudspeaker arrangement, and starts the recording path 320 (being step 145) of system microphone 250 in electronic installation.In other words, the loudspeaker arrangement 220 that connects hole 130 due to plugged earphone does not have microphone function, therefore adopt the system microphone 250 in electronic installation 100 to carry out speech voice input function for user.
In addition, it should be noted that, whether the loudspeaker arrangement 220 no matter plugged earphone connects hole 130 has microphone function, judge (after being the step S130 shown in Fig. 1, S140) after whether loudspeaker arrangement 220 has this microphone function at processing unit 150, audio process 140 can revert to preset signals yield value by peak signal yield value by the signal gain value of signal amplifier 330, to avoid electronic installation 100 to receive the noise in the sound source signal after too much gain, and then affect the original radio reception quality of electronic installation.
In sum, electronic installation proposed by the invention and earphone detecting method can insert after the conductive plug of loudspeaker arrangement, directly record to produce recording result for the microphone contact of conductive plug, and judge in recording result whether comprise sound source signal, can judge that the loudspeaker arrangement of insertion has the function of microphone.Also therefore, the present invention only needs or not additionally to connect microphone testing circuit by the detection of software, takies the usage space of electronic installation inside, to such an extent as to can have more polynary selection thereby can save microphone testing circuit in the design of usage space.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an earphone detecting method, is characterized in that, is applicable to have earphone and connects the electronic installation in hole, and this earphone detecting method comprises:
Detect the conductive plug that this earphone connects hole and whether insert loudspeaker arrangement;
In the time that this conductive plug is inserted this earphone and connect hole, the microphone contact of this conductive plug is recorded to produce recording result, and judge whether this recording result comprises sound source signal; And
In the time that this recording result comprises this sound source signal, judge that this loudspeaker arrangement has microphone function.
2. earphone detecting method according to claim 1, is characterized in that, also comprises:
In the time that this conductive plug is inserted this earphone and connect hole, this electronic installation cuts out the recording path of system microphone in this electronic installation, and starts the recording path of the ear microphone that is connected to this loudspeaker arrangement.
3. earphone detecting method according to claim 2, is characterized in that, also comprises:
If while not comprising this sound source signal in this recording result, close the recording path of this ear microphone that is connected to this loudspeaker arrangement, and start the recording path of this system microphone in this electronic installation.
4. earphone detecting method according to claim 1, is characterized in that, also comprises:
In the time that this conductive plug is inserted this earphone and connect hole, the signal gain value that improves this electronic installation is peak signal yield value.
5. earphone detecting method according to claim 4, is characterized in that, also comprises:
Judge that whether this loudspeaker arrangement has after this microphone function, reverts to preset signals yield value by this peak signal yield value.
6. an electronic installation, is characterized in that, comprising:
Earphone connects hole;
Plug detecting unit, is coupled to this earphone and connects hole, connects hole and whether insert the conductive plug of loudspeaker arrangement in order to detect this earphone of this electronic installation; And
Audio process, couples this plug detecting unit, and in the time detecting that this conductive plug has been inserted this earphone and connect hole, the microphone contact of this conductive plug is recorded to produce recording result, and judge whether this recording result comprises sound source signal,
Wherein, in the time that this recording result comprises this sound source signal, judge that this loudspeaker arrangement has microphone function.
7. electronic installation according to claim 6, is characterized in that, this electronic installation cuts out the recording path of system microphone in this electronic installation, and starts the recording path of the ear microphone that is connected to this loudspeaker arrangement.
8. electronic installation according to claim 7, it is characterized in that, if while not comprising this sound source signal in this recording result, this electronic installation cuts out the recording path of this ear microphone that is connected to this loudspeaker arrangement, and start the recording path of this system microphone in this electronic installation.
9. electronic installation according to claim 6, is characterized in that, this audio process detects that when this conductive plug has been inserted this earphone and connect hole, the signal gain value that can improve this electronic installation is peak signal yield value.
10. whether electronic installation according to claim 9, is characterized in that, have after this microphone function if this audio process is judged this loudspeaker arrangement, and this peak signal yield value reverts to preset signals yield value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133109.8A CN104113816A (en) | 2013-04-17 | 2013-04-17 | Electronic device and earphone detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310133109.8A CN104113816A (en) | 2013-04-17 | 2013-04-17 | Electronic device and earphone detection method |
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| CN104113816A true CN104113816A (en) | 2014-10-22 |
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| CN201310133109.8A Pending CN104113816A (en) | 2013-04-17 | 2013-04-17 | Electronic device and earphone detection method |
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| CN105611445A (en) * | 2016-01-29 | 2016-05-25 | 广东欧珀移动通信有限公司 | Self-stick, self-stick identification method and apparatus, and mobile terminal |
| CN105611069A (en) * | 2016-02-15 | 2016-05-25 | 广东欧珀移动通信有限公司 | A terminal photographing method and mobile terminal |
| CN105611447A (en) * | 2016-01-29 | 2016-05-25 | 广东欧珀移动通信有限公司 | Self-stick, self-stick identification method and apparatus, and mobile terminal |
| CN105611449A (en) * | 2016-01-29 | 2016-05-25 | 广东欧珀移动通信有限公司 | Method and device for identifying selfie stick and mobile terminal |
| CN105744418A (en) * | 2016-01-29 | 2016-07-06 | 广东欧珀移动通信有限公司 | Method and device for identifying selfie stick, and mobile terminal |
| CN109360588A (en) * | 2018-09-11 | 2019-02-19 | 广州荔支网络技术有限公司 | A kind of mobile device-based audio-frequency processing method and device |
| CN115119093A (en) * | 2021-03-18 | 2022-09-27 | 宝德科技股份有限公司 | Earphone with detachable external accessory |
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| CN105259459A (en) * | 2015-11-12 | 2016-01-20 | 东软集团股份有限公司 | Automatic quality inspection method, apparatus and device for electronic equipment |
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| CN105611445A (en) * | 2016-01-29 | 2016-05-25 | 广东欧珀移动通信有限公司 | Self-stick, self-stick identification method and apparatus, and mobile terminal |
| CN105611069A (en) * | 2016-02-15 | 2016-05-25 | 广东欧珀移动通信有限公司 | A terminal photographing method and mobile terminal |
| CN105611069B (en) * | 2016-02-15 | 2019-05-03 | Oppo广东移动通信有限公司 | Terminal photographing method and mobile terminal |
| CN109360588A (en) * | 2018-09-11 | 2019-02-19 | 广州荔支网络技术有限公司 | A kind of mobile device-based audio-frequency processing method and device |
| CN115119093A (en) * | 2021-03-18 | 2022-09-27 | 宝德科技股份有限公司 | Earphone with detachable external accessory |
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