CN107438208A - Electronic device accessory, electronic installation, multichannel earphone system and its operating method - Google Patents
Electronic device accessory, electronic installation, multichannel earphone system and its operating method Download PDFInfo
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- CN107438208A CN107438208A CN201610360597.XA CN201610360597A CN107438208A CN 107438208 A CN107438208 A CN 107438208A CN 201610360597 A CN201610360597 A CN 201610360597A CN 107438208 A CN107438208 A CN 107438208A
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- China
- Prior art keywords
- earphone
- electronic device
- device accessory
- switch unit
- headset connector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic Arrangements (AREA)
- Headphones And Earphones (AREA)
Abstract
A kind of electronic device accessory, it is connected to an electronic installation, the electronic device accessory includes headset connector, switch unit and amplifier, the headset connector is accessing earphone, the switch unit switches to the direct mode operation for being directly connected to the headset connector or the amplification mode that headset connector is connected to by amplifier according to headset type, and the pattern that the electronic device accessory obtains audio signal from electronic installation and switched by switch unit is exported to the earphone to play the audio signal.The present invention also provides a kind of electronic installation, multichannel earphone system and its operating method.
Description
Technical field
The present invention relates to a kind of multichannel earphone system, more particularly to a kind of electronic installation to access multichannel earphone system, electronic device accessory, electronic installation and the multichannel earphone system operating method of different types of earphone by electronic device accessory.
Background technology
Electronic installation such as mobile phone generally has audio playing function, and is provided with earphone interface access earphone to export audio.However, the circuit design space being typically due to inside mobile phone is limited and the limitation of power supply, single pass head circuit is often only set, therefore the headset type that electronic installation can access is limited, and is unfavorable for the selection of a variety of headset types.
The content of the invention
In view of this, it is necessary to which a kind of electronic device accessory that different type earphone is accessed for electronic installation is provided.
A kind of electronic device accessory, it is connected to an electronic installation, the electronic device accessory includes headset connector, switch unit and amplifier, the headset connector is accessing earphone, the switch unit switches to the direct mode operation for being directly connected to the headset connector or the amplification mode that headset connector is connected to by amplifier according to headset type, and the pattern that the electronic device accessory obtains audio signal from electronic installation and switched by switch unit is exported to the earphone to play the audio signal.
A kind of electronic installation, it is connected to an electronic device accessory, the electronic installation accesses earphone by electronic device accessory, the electronic installation includes SOC and the first battery, the SOC controls the direct mode operation or amplification mode for switching to audio broadcasting according to headset type, and exports audio signal is exported to the earphone to the electronic device accessory and by electronic device accessory, first battery provides charging by the electronic device accessory.
A kind of multichannel earphone system, including electronic installation and electronic device accessory, the electronic device accessory includes headset connector, switch unit and amplifier, the headset connector is accessing earphone, the switch unit switches to the direct mode operation for being directly connected to the headset connector or the amplification mode that headset connector is connected to by amplifier according to headset type, and the pattern that the electronic device accessory obtains audio signal from electronic installation and switched by switch unit is exported to the earphone to play the audio signal.
A kind of multichannel earphone system operating method, it includes：Headset connector accesses earphone, and first communication module is established with second communication module and communicated to connect；Detect the earphone impedance and compared with the reference impedance to prestore；When the earphone impedance is bigger than reference impedance, then switch unit switching is connected to the direct mode operation of the headset connector, SOC exports audio signals, and transmitted by the first communication module and second communication module to switch unit, and directly by being exported to the headset connector to earphone；When the earphone impedance is smaller than reference impedance, then switch unit switches to the amplification mode that the headset connector is connected by amplifier, SOC exports audio signals, and transmitted by the first communication module and second communication module to switch unit, and after being amplified by the amplifier, then exported to earphone by the headset connector.
The multichannel earphone system sets headset connector, amplifier and switch unit in electronic device accessory, it can switch different audios according to different headset types is accessed and play passage, and powered by the second battery for amplifier, so as to preferably save the space for designing the multichannel head circuit for electronic installation.
Brief description of the drawings
Fig. 1 is the schematic diagram of multichannel earphone system in better embodiment of the present invention.
Fig. 2 is the flow chart of multichannel earphone system operating method in better embodiment of the present invention.
Main element symbol description
| Multichannel earphone system | 1 |
| Electronic installation | 100 |
| SOC | 10 |
| CODEC | 20 |
| First communication module | 30 |
| First battery | 40 |
| First charging module | 50 |
| Electronic device accessory | 200 |
| Headset connector | 210 |
| Detecting unit | 220 |
| Switch unit | 230 |
| Amplifier | 240 |
| Second communication module | 250 |
| Second battery | 260 |
| Second charging module | 270 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Referring to Fig. 1, the multichannel earphone system 1 of present pre-ferred embodiments includes electronic installation 100 and electronic device accessory 200.The electronic device accessory 200 is electrically connected to the electronic installation 100.The electronic installation 100 can be smart mobile phone, tablet personal computer and personal digital assistant etc.；The electronic device accessory 200 can be electronic device protection case and portable power source etc..The multichannel earphone system 1 makes the electronic installation 100 access different types of earphone by the electronic device accessory 200.
The electronic installation 100 includes SOC（System-on-a-Chip）10、CODEC（Codec）20th, first communication module 30, the first battery 40 and the first charging module 50.
The SOC 10 is used to run the electronic installation 100 and processing audio signal.The SOC10 is integrated with processor and memory etc., can be used for storing and handling audio file and audio signal in the present embodiment.
The CODEC 20 is used for encoding and decoding audio signal, is such as obtained from the SOC 10 and audio file and is encoded to the file format that can be transmitted, and is the audio file for being available for the SOC 10 to handle and play by the audio signal decoding for the file format that can be transmitted.
The first communication module 30, which is used to establish with the electronic device accessory 200, communicates to connect and transmits the audio signal.In the present embodiment, the first communication module 30 can be bluetooth module, can establish radio communication with the electronic device accessory 200 and be connected, and by being wirelessly transferred the audio signal.
First battery 40 is used to power for the electronic installation 100.First charging module 50 is used to charge for first battery 40.It is appreciated that first charging module 50 can be by the externally connected power supply of an attaching plug, to be charged to first battery 40.
The electronic device accessory 200 includes headset connector 210, detecting unit 220, switch unit 230, amplifier 240, second communication module 250, the second battery 260 and the second charging module 270.
The headset connector 210 is used to access different types of earphone, such as 2.0 channel earphone, 2.1 sound channel earphones and 5.1 sound channel earphones, to play audio.
The detecting unit 220 is used for the headset type for detecting the headset connector 210.In the present embodiment, the detecting unit 220 is provided with a reference impedance, and when the headset connector 210 accesses earphone, the detecting unit 220 detects the impedance of the earphone, and compared with the reference impedance, judges the type of earphone according to this.
The passage that the headset type switching audio that the switch unit 230 is used to be detected according to detecting unit 220 plays.The amplifier 240 is used to amplify audio signal.In the present embodiment, the switch unit 230 is connected to two audios and plays passage, and one is the put-through channel that the switch unit 230 is electrically connected to the headset connector 210；The second is the switch unit 230 is electrically connected to the amplification channel of the headset connector 210 by the amplifier 240.
The second communication module 250, which is used to establish with the first communication module 30, communicates to connect and transmits the audio signal.In the present embodiment, the second communication module 250 can be bluetooth module, can establish radio communication with the electronic installation 100 and be connected, and by being wirelessly transferred the audio signal.
Second battery 260 is used to power for the electronic device accessory 200 and electronic installation 100.Second battery 260 can be connected to first charging module 50 by cable, so as to which electricity be charged by cable and first charging module 50 to first battery 40.Second charging module 270 is used to charge for second battery 260.It is appreciated that second charging module 270 can be by the externally connected power supply of an attaching plug, to be charged to second battery 260.
When the use of the electronic device accessory 200 being that the electronic installation 100 plays audio, the headset connector 210 access earphone.The detecting unit 220 detects the earphone impedance and compared with its reference impedance set.If the earphone impedance is bigger than reference impedance, the headset type of such as access is 2.0 channel headphones, and the detecting unit 220 is judged as high impedance, and the now switch unit 230 switching is connected to the direct mode operation of the headset connector 210；If the earphone impedance is than reference impedance hour, headset type such as access is 2.1 channel headphones or 5.1 channel headphones, the detecting unit 220 is judged as Low ESR, and now the switch unit 230 switches to the amplification mode that the headset connector 210 is connected by the amplifier 240.The first communication module 30 is established radio communication with second communication module 250 and is connected.The SOC 10 exports audio file, and the audio file is encoded to the file format that can be transmitted by the CODEC 20, and is wirelessly transmitted to the electronic device accessory 200 by the first communication module 30 and second communication module 250.The passage that the switch unit 230 selects according to the headset type of detecting exports the audio signal to earphone.When switch unit 230 select be direct mode operation when, the audio signal to the headset connector 210 directly by exporting to earphone；When switch unit 230 select be amplification mode when, after the audio signal is amplified by the amplifier 240, then exported to earphone by the headset connector 210, so as to meet the broadcast request of different type earphone.
In another embodiment, the headset connector 210 access earphone.The detecting unit 220 detects the earphone impedance, and is sent to the SOC 10 by the second communication module 250 and first communication module 30.The earphone impedance compared with reference impedance, and is fed back a control signal to the electronic device accessory 200 by the SOC 10.The control signal is sent to the switch unit 230 to control switch unit 230 to select the direct mode operation or amplification mode by the first communication module 30 and second communication module 250.Hereafter audio signal is sent to electronic device accessory 200 from electronic installation 100 and exported via the headset connector 210 to earphone by aforesaid way for another example.In this embodiment, the SOC of electronic installation 100 is passed through
10 compare the earphone impedance to judge the type of earphone, and control the switch unit 230 according to this, so that the detecting unit 220 of the first embodiment can omit the circuit design of comparator etc., to simplify the design of the electronic device accessory 200.
It is appreciated that the electronic installation 100 may also include application program and user interface, for providing the type that user watches access earphone and the pattern that selection audio plays, user selected by the application program and operating user interface after by the SOC
10 send control signal to the switch unit 230, to select the pattern that audio plays.
It is appreciated that the electronic device accessory 200 can also be by setting the electric connector of such as headset plug type to insert and be electrically connected to the earphone jack that the electronic installation 100 opens up, to transmit the audio signal.
When the use of the electronic device accessory 200 being that the electronic installation 100 charges, second battery 260 and first charging module 50 are connected by cable, so that the charge transport of second battery 260 is to first battery 40.
Referring to Fig. 2, the multichannel earphone system operating method of present pre-ferred embodiments, it comprises the following steps：
Step S01, headset connector 210 access earphone, and first communication module 30 is established radio communication with second communication module 250 and is connected.
Step S02, detecting unit 220 detect the earphone impedance and compared with its reference impedances set.
Step S03, judges whether the earphone impedance is less than reference impedance.If the earphone impedance is bigger than reference impedance, the detecting unit 220 is judged as high impedance, and performs step S04；If for the earphone impedance than reference impedance hour, the detecting unit 220 is judged as Low ESR, and performs step S07.
Step S04, switch unit 230 switch the direct mode operation for being connected to the headset connector 210.
Step S05, SOC 10 exports audio file, and the audio file is encoded to the file format that can be transmitted by CODEC 20, and is wirelessly transmitted to the switch unit 230 by the first communication module 30 and second communication module 250.
Step S06, audio signal to the headset connector 210 directly by exporting to earphone.
Step S07, switch unit 230 switch to the amplification mode that the headset connector 210 is connected by the amplifier 240.
Step S08, SOC 10 exports audio file, and the audio file is encoded to the file format that can be transmitted by CODEC 20, and is wirelessly transmitted to the switch unit 230 by the first communication module 30 and second communication module 250.
Step S09, after audio signal is amplified by the amplifier 240, then exported to earphone by the headset connector 210.
The multichannel earphone system 1 of the present invention sets headset connector 210, amplifier 240 and switch unit 230 in electronic device accessory 200, it can switch different audios according to different headset types is accessed and play passage, and powered by the second battery 260 for amplifier 240, so as to preferably save the space for designing the multichannel head circuit for electronic installation 100.
In summary, although having been disclosed for the preferred embodiments of the present invention for the purpose of illustration, however, the present invention is not limited solely to embodiment as described above, in the category without departing from basic fundamental thought of the present invention, the technical staff of relevant industries can carry out various deformation and application to it.
Claims (10)
1. a kind of electronic device accessory, it is connected to an electronic installation, it is characterised in that：The electronic device accessory includes headset connector, switch unit and amplifier, the headset connector is accessing earphone, the switch unit switches to the direct mode operation for being directly connected to the headset connector or the amplification mode that headset connector is connected to by amplifier according to headset type, and the pattern that the electronic device accessory obtains audio signal from electronic installation and switched by switch unit is exported to the earphone to play the audio signal.
2. electronic device accessory as claimed in claim 1, it is characterised in that：The electronic device accessory also includes detecting unit, and it is provided with reference impedance, and the detecting unit by the impedance of the earphone compared with the reference impedance, judges the type of earphone according to this to detect the impedance of headset connector access earphone.
3. electronic device accessory as claimed in claim 2, it is characterised in that：When the impedance of the detecting unit detecting earphone is more than the reference impedance, the switch unit switches to the direct mode operation for being directly connected to the headset connector；When the impedance of detecting unit detecting earphone is less than the reference impedance, the switch unit switches to the amplification mode that headset connector is connected to by amplifier.
4. electronic device accessory as claimed in claim 3, it is characterised in that：The electronic device accessory also packet communication module, communicated to connect for being established with the electronic installation, to receive audio signal from electronic installation.
5. electronic device accessory as claimed in claim 4, it is characterised in that：The communication module is bluetooth module, and it is established radio communication with electronic installation and is connected.
6. electronic device accessory as claimed in claim 1, it is characterised in that：The electronic device accessory also includes battery and charging module, and for being powered for the electronic device accessory, the battery is additionally operable to be used to charge for the battery for charge electronic devices, the charging module, and the charging module thinks that the battery charges to access external power source.
7. a kind of electronic installation, it is connected to an electronic device accessory, it is characterised in that：The electronic installation accesses earphone by electronic device accessory, the electronic installation includes SOC and the first battery, the SOC controls the direct mode operation or amplification mode for switching to audio broadcasting according to headset type, and exports audio signal is exported to the earphone to the electronic device accessory and by electronic device accessory, first battery provides charging by the electronic device accessory.
8. a kind of multichannel earphone system, including electronic installation and electronic device accessory, it is characterised in that：The electronic device accessory includes headset connector, switch unit and amplifier, the headset connector is accessing earphone, the switch unit switches to the direct mode operation for being directly connected to the headset connector or the amplification mode that headset connector is connected to by amplifier according to headset type, and the pattern that the electronic device accessory obtains audio signal from electronic installation and switched by switch unit is exported to the earphone to play the audio signal.
9. multichannel earphone system as claimed in claim 8, it is characterised in that：The electronic installation includes the first battery and the first charging module, and the electronic device accessory includes the second battery and the second charging module, and second battery is electrically connected to first charging module, to be charged by first charging module as first battery.
A kind of 10. multichannel earphone system operating method, it is characterised in that：The multichannel earphone system operating method includes：
Headset connector accesses earphone, and first communication module is established with second communication module and communicated to connect；
Detect the earphone impedance and compared with the reference impedance to prestore；
When the earphone impedance is bigger than reference impedance, then switch unit switching is connected to the direct mode operation of the headset connector, SOC exports audio signals, and transmitted by the first communication module and second communication module to switch unit, and directly by being exported to the headset connector to earphone；
When the earphone impedance is smaller than reference impedance, then switch unit switches to the amplification mode that the headset connector is connected by amplifier, SOC exports audio signals, and transmitted by the first communication module and second communication module to switch unit, and after being amplified by the amplifier, then exported to earphone by the headset connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360597.XA CN107438208A (en) | 2016-05-28 | 2016-05-28 | Electronic device accessory, electronic installation, multichannel earphone system and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360597.XA CN107438208A (en) | 2016-05-28 | 2016-05-28 | Electronic device accessory, electronic installation, multichannel earphone system and its operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107438208A true CN107438208A (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360597.XA Pending CN107438208A (en) | 2016-05-28 | 2016-05-28 | Electronic device accessory, electronic installation, multichannel earphone system and its operating method |
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| CN (1) | CN107438208A (en) |
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| CN105009462A (en) * | 2013-02-20 | 2015-10-28 | 诺基亚技术有限公司 | Accessory detection |
| CN205195756U (en) * | 2015-11-02 | 2016-04-27 | 西安凯倍耐特智能工程有限公司 | Cell -phone shell with function of charging |
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2016
- 2016-05-28 CN CN201610360597.XA patent/CN107438208A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201263470Y (en) * | 2008-09-23 | 2009-07-01 | 中山市铁龙电子科技有限公司 | Handset cover with power supply function |
| CN101729958A (en) * | 2008-10-24 | 2010-06-09 | 深圳富泰宏精密工业有限公司 | Audio frequency output device |
| JP2010226329A (en) * | 2009-03-23 | 2010-10-07 | Sony Ericsson Mobile Communications Ab | Portable terminal device |
| CN102857228A (en) * | 2011-06-30 | 2013-01-02 | 富泰华工业（深圳）有限公司 | Electronic equipment and audio output control method thereof |
| CN203015118U (en) * | 2012-07-19 | 2013-06-19 | 福兴达科技实业（深圳）有限公司 | Electronic device |
| CN105009462A (en) * | 2013-02-20 | 2015-10-28 | 诺基亚技术有限公司 | Accessory detection |
| CN104602154A (en) * | 2015-01-07 | 2015-05-06 | 深圳市中兴移动通信有限公司 | Full impedance headset output method, device and terminal |
| CN205195756U (en) * | 2015-11-02 | 2016-04-27 | 西安凯倍耐特智能工程有限公司 | Cell -phone shell with function of charging |
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Application publication date: 20171205 |
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