CN108347662A - Earphone - Google Patents
Earphone Download PDFInfo
- Publication number
- CN108347662A CN108347662A CN201710056346.7A CN201710056346A CN108347662A CN 108347662 A CN108347662 A CN 108347662A CN 201710056346 A CN201710056346 A CN 201710056346A CN 108347662 A CN108347662 A CN 108347662A
- Authority
- CN
- China
- Prior art keywords
- signal
- control unit
- universal serial
- type plug
- serial bus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Telephone Function (AREA)
Abstract
A kind of earphone is provided, including：Universal serial bus c-type plug, line traffic control unit, micro-control unit and loud speaker；Universal serial bus c-type plug receives digital audio stream signal in the state of being connect with electric terminal from electric terminal, the predetermined operation that the response of line traffic control unit is received from outside sends the simulation interruption signal for waking up micro-control unit, micro-control unit includes codec and signal processing unit, digital audio stream signal is converted to analog audio signal by codec, and analog audio signal is output to loud speaker, state of the signal processing unit in response to the simulation interruption signal detection micro-control unit received, when detecting that micro-control unit is in suspended state, so that the state of micro-control unit is converted to wake-up states, and digital interrupt signal is exported by universal serial bus c-type plug, to wake up electric terminal.Earphone according to the present invention can improve the interactivity between the electric terminal of earphone connection.
Description
Technical field
The present invention relates to fields of communication technology.More particularly, it is related to a kind of earphone.
Background technology
Universal serial bus c-type (USB Type C) interface have support two-sided insertion (that is, can positive and negative both direction insert
Enter), it is slim the features such as, therefore, more and more applied on electric terminal and its accessory (for example, earphone).
Existing universal serial bus c-type interface headphones mostly using USB2.0 as standard configuration, this earphone it is general
The terminal of the obverse and reverse of universal serial bus c-type plug is identical, has prodigious convenience in use.
However, existing universal serial bus c-type interface headphones are with electric terminal in the state of connecting, with electric terminal
Interactivity it is poor.
Invention content
The purpose of the present invention is to provide a kind of earphone, the interaction between the electric terminal of earphone connection can be improved
Property.
The present invention provides a kind of earphone, including：It universal serial bus c-type plug, line traffic control unit, micro-control unit and raises one's voice
Device；Wherein, universal serial bus c-type plug receives digital audio stream letter in the state of being connect with electric terminal from electric terminal
Number, the predetermined operation that the response of line traffic control unit is received from outside sends the simulation interruption signal for waking up micro-control unit, micro-control
Unit processed includes：Codec and signal processing unit, wherein codec will be received by universal serial bus c-type plug
Digital audio stream signal be converted to analog audio signal, and the analog audio signal being converted to is output to loud speaker, believed
Number processing unit receives the simulation interruption signal that line traffic control unit is sent, in response to the simulation interruption signal detection microcontroller received
The state of unit, when the state for detecting micro-control unit is in suspended state so that the state of micro-control unit is converted to
Wake-up states, and digital interrupt signal is exported by universal serial bus c-type plug, to wake up electric terminal.
Optionally, the suspended state of micro-control unit indicates signal processing unit in normal operating conditions and codec
In dead status, the wake-up states of micro-control unit indicate signal processing unit and codec all in normal work shape
State.
Optionally, universal serial bus c-type plug begins in the state of being connect with electric terminal and electric terminal is switched on
Eventually electric power is received from electric terminal.
Optionally, universal serial bus c-type plug be used for bus-powered VBUSTerminal receives electricity from electric terminal always
Power.
Optionally, the D+ terminals and D- for being used for transmission data that signal processing unit passes through universal serial bus c-type plug
The digital interrupt signal of terminal output.
Optionally, signal processing unit converts the digital audio stream signal received by universal serial bus c-type plug
For audio-frequency bus signal；Codec carries out digital-to-analogue conversion, and the analog audio signal that will be converted to audio-frequency bus signal
It is output to loud speaker.
Optionally, digital audio stream signal includes the digital language during digital multimedia audio stream signal and telephone relation
Sound audio stream signal.
Optionally, the earphone further includes：Microphone, microphone is used to acquire the sound in external environment, to generate mould
Quasi- microphone signal；Wherein, codec carries out analog-to-digital conversion, and the microphone sound that will be converted to analog microphone signal
Frequency bus signals are output to signal processing unit；The microphone audio bus signals of reception are converted to number by signal processing unit
Microphone audio signal, and digital microphone audio signal is exported by universal serial bus c-type plug.
Optionally, when universal serial bus c-type plug does not receive digital audio stream signal and without output digital microphone
When the time of wind audio signal reaches predetermined threshold, micro-control unit in response to by universal serial bus c-type plug from electronics
The pending signal that terminal receives enters suspended state, wherein pending signal is to enter suspended state for controlling micro-control unit
Signal.
Optionally, the D+ terminals for being used for transmission data of universal serial bus c-type plug and D- terminals connect from electric terminal
It receives pending signal or digital audio stream signal, signal processing unit is used for transmission number by universal serial bus c-type plug
According to D+ terminals and D- terminals export digital microphone audio signal.
Earphone according to the present invention, the simulation interruption signal received by outside by the output of universal serial bus c-type plug
Obtained digital interrupt signal is handled, to improve the interactivity between the electric terminal of earphone connection；In addition, also by logical
Digital signal is only transmitted with universal serial bus c-type plug, to reduce power consumption, reduces wiring space.
Part in following description is illustrated into the other aspect and/or advantage of the present invention, some is by retouching
It states and will be apparent, or the implementation of the present invention can be passed through and learnt.
Description of the drawings
By the detailed description carried out below in conjunction with the accompanying drawings, above and other objects of the present invention, features and advantages will
It becomes more fully apparent, wherein：
Fig. 1 shows the block diagram of earphone according to an embodiment of the invention.
Fig. 2 shows the block diagrams of micro-control unit according to an embodiment of the invention.
Specific implementation mode
Now, different example embodiments is more fully described with reference to the accompanying drawings, wherein some exemplary embodiments are attached
It is shown in figure.
Earphone according to an embodiment of the invention is described referring to Fig. 1 and Fig. 2.
Fig. 1 shows the block diagram of earphone according to an embodiment of the invention.
Referring to Fig.1, earphone according to an embodiment of the invention includes：Universal serial bus c-type plug 100, line traffic control unit
200, micro-control unit 300 and loud speaker 400.
Universal serial bus c-type plug 100 receives digital audio in the state of being connect with electric terminal from electric terminal
Flow signal.
Specifically, the D+ terminals for being used for transmission data of universal serial bus c-type plug 100 and D- terminals are from electric terminal
Receive digital audio stream signal.It should be appreciated that it is be compatible with USB2.0 standards one to be used for transmission the D+ terminals of data and D- terminals
To difference signal terminal.
Preferably, digital audio stream signal includes the digital language during digital multimedia audio stream signal and telephone relation
Sound audio stream signal.
As an example, when user executes on electric terminal and plays the operation of music by earphone, universal serial bus C
The D+ terminals for being used for transmission data and D- terminals of type plug 100 receive in the state of being connect with electric terminal from electric terminal
The digital audio stream signal of music.It is general when user executes on electric terminal carries out the operation of telephone relation by earphone
The D+ terminals for being used for transmission data and D- terminals of universal serial bus c-type plug 100 with electric terminal in the state of connecting from electricity
Sub- terminal receives the digital audio stream signal of the voice during telephone relation.
Here, universal serial bus c-type plug 100 connect with electric terminal and electric terminal be switched in the state of,
Always electric power is received from electric terminal.Specifically, universal serial bus c-type plug 100 be used for bus-powered VBUSTerminal begins
Eventually electric power is received from electric terminal.
As an example, in the state that earphone is connect with electric terminal and electric terminal is switched on, electric terminal passes through total
Line power supply (VBUS) via universal serial bus c-type plug 100 be used for bus-powered VBUSTerminal provides 5V to earphone always
Supply voltage.
It should be appreciated that electric terminal has Jack Interface corresponding with universal serial bus c-type plug 100, Jack Interface
For universal serial bus c-type Jack Interface, it is used to connect with universal serial bus c-type plug 100.
The response of line traffic control unit 200 is from the simulation that the predetermined operation that outside receives sends for waking up micro-control unit 300
Break signal.
Here, simulation interruption signal is used to wake up the micro-control unit 300 in suspended state.
As an example, from outside receive predetermined operation can be user's operation line traffic control unit volume increase (V+) button or
Volume down (V-) button.
Fig. 2 shows the block diagrams of micro-control unit according to an embodiment of the invention.
With reference to Fig. 2, micro-control unit 300 includes：Codec 302 and signal processing unit 304.
As an example, micro-control unit 300 can be ALC4040 chips.
The digital audio stream signal received by universal serial bus c-type plug 100 is converted to simulation by codec 302
Audio signal, and the analog audio signal being converted to is output to loud speaker 400.
In other words, the digital audio stream signal that codec 302 is used to receive universal serial bus c-type plug 100 turns
It is changed to the analog audio signal exported suitable for loud speaker 400.
Specifically, signal processing unit 304 turns the digital audio stream signal received by universal serial bus c-type plug
It is changed to audio-frequency bus signal (I2S signals)；Codec 302 carries out digital-to-analogue conversion to audio-frequency bus signal, and will be converted to
Analog audio signal be output to loud speaker.
In other words, the digital audio stream signal that signal processing unit 304 receives universal serial bus c-type plug turns
It changes, obtains the I that codec 302 can identify2S signals, then codec 302 is to I2S signals are decoded, and are applicable in
In the analog audio signal that loud speaker 400 exports.
As an example, codec 302 can be audio codec (CODEC).
It should be appreciated that loud speaker 400 is used to export analog audio signal, to play audio content to user.Preferably,
The quantity of loud speaker 400 (alternatively referred to as receiver) is two, respectively left speaker and right loud speaker.
In addition, the earphone further includes：Microphone.Microphone is used to acquire the sound in external environment, to generate simulation
Microphone signal.
Codec 302 carries out analog-to-digital conversion, and the microphone audio bus that will be converted to analog microphone signal
Signal (microphone I2S signals) it is output to signal processing unit 304；Signal processing unit 304 is total by the microphone audio of reception
Line signal is converted to digital microphone audio signal, and exports digital microphone audio by universal serial bus c-type plug 100
Signal.
Specifically, the ends D+ for being used for transmission data that signal processing unit 304 passes through universal serial bus c-type plug 100
Son and D- terminals export digital microphone audio signal.
In other words, codec 302 encodes analog microphone signal, and obtaining signal processing unit 304 can locate
The microphone I of reason2S signals, then signal processing unit 304 is by microphone I2S signals are converted to digital microphone audio signal,
And digital microphone audio signal is passed through into the D+ terminals for being used for transmission data of universal serial bus c-type plug 100 and the ends D-
Son is output to electric terminal.
The present invention received by the D+ terminals for being used for transmission data and D- terminals of universal serial bus c-type plug 100 or
The signal of output is digital signal, therefore, there is no need to the switching for carrying out analogue transmission access and digital transmission path, that is, no
It needs setting to be used for transmission the switch of access switching, to effectively reduce power consumption, reduces wiring space, save production cost.
When universal serial bus c-type plug 100 is without receiving digital audio stream signal and without output digital microphone sound
When the time of frequency signal reaches predetermined threshold, micro-control unit 300 in response to by universal serial bus c-type plug 100 from electricity
The pending signal that sub- terminal receives enters suspended state.
It should be appreciated that predetermined threshold can in advance be set inside earphone, can also as needed be carried out by user
Setting, for example, predetermined threshold can be 10 minutes.
Specifically, the D+ terminals for being used for transmission data of universal serial bus c-type plug 100 and D- terminals are from electric terminal
Receive pending signal.
Here, pending signal is the signal for entering suspended state for controlling micro-control unit.The extension of micro-control unit 300
Rise state indicate signal processing unit 304 in normal operating conditions and codec 302 is in dead status, in other words,
Under the suspended state of micro-control unit 300, only signal processing unit 304 obtains electric power normal work.
Signal processing unit 304 receives the simulation interruption signal that line traffic control unit 200 is sent, in response in the simulation that receives
The state of open circuit detection micro-control unit 300, when the state for detecting micro-control unit 300 is in suspended state so that
The state of micro-control unit 300 is converted to wake-up states, and exports number by universal serial bus c-type plug 100 and interrupt letter
Number, to wake up electric terminal.
In other words, when signal processing unit 304 receives simulation interruption signal, micro-control unit 300 is by suspended state
Wake-up states are converted to, digital interrupt signal is then exported by universal serial bus c-type plug 100, are put out to wake up to be in
Electric terminal under screen state.It should be appreciated that it can be that electric terminal is converted to bright screen shape by putting out screen state to wake up electric terminal
State lights the screen of electric terminal.
Here, the wake-up states of micro-control unit 300 indicate codec 302 and signal processing unit 304 all in just
Normal working condition.In other words, under the wake-up states of micro-control unit 300, signal processing unit 304 and codec 302 are equal
Obtain electric power normal work.
Specifically, the ends D+ for being used for transmission data that signal processing unit 304 passes through universal serial bus c-type plug 100
Son and the digital interrupt signal of D- terminals output.
As an example, signal processing unit 304 can be USB physical layers (USB PHY).
Earphone according to the present invention, the simulation interruption signal received by outside by the output of universal serial bus c-type plug
Obtained digital interrupt signal is handled, to improve the interactivity between the electric terminal of earphone connection；In addition, also by logical
Digital signal is only transmitted with universal serial bus c-type plug, to reduce power consumption, reduces wiring space.
Although being particularly shown and describing the present invention, those skilled in the art with reference to its exemplary embodiment
It should be understood that in the case where not departing from the spirit and scope of the present invention defined by claim, form can be carried out to it
With the various changes in details.
Claims (10)
1. a kind of earphone, which is characterized in that including：It universal serial bus c-type plug, line traffic control unit, micro-control unit and raises one's voice
Device；
Wherein, universal serial bus c-type plug receives digital audio stream in the state of being connect with electric terminal from electric terminal
Signal,
The predetermined operation that the response of line traffic control unit is received from outside sends the simulation interruption signal for waking up micro-control unit,
Micro-control unit includes：Codec and signal processing unit,
Wherein, the digital audio stream signal received by universal serial bus c-type plug is converted to analogue audio frequency by codec
Signal, and the analog audio signal being converted to is output to loud speaker,
Signal processing unit receives the simulation interruption signal that line traffic control unit is sent, in response to the simulation interruption signal detection received
The state of micro-control unit, when the state for detecting micro-control unit is in suspended state so that the state of micro-control unit
Wake-up states are converted to, and digital interrupt signal is exported by universal serial bus c-type plug, to wake up electric terminal.
2. earphone as described in claim 1, which is characterized in that the suspended state of micro-control unit indicates at signal processing unit
In normal operating conditions, codec is in dead status, and the wake-up states of micro-control unit indicate signal processing unit and volume
Decoder is all in normal operating conditions.
3. earphone as described in claim 1, which is characterized in that universal serial bus c-type plug is connect simultaneously with electric terminal
And in the state of electric terminal booting, electric power is received from electric terminal always.
4. earphone as claimed in claim 3, which is characterized in that universal serial bus c-type plug is used for bus-powered VBUS
Terminal receives electric power from electric terminal always.
5. earphone as described in claim 1, which is characterized in that signal processing unit passes through universal serial bus c-type plug
It is used for transmission the D+ terminals and the digital interrupt signal of D- terminals output of data.
6. earphone as described in claim 1, which is characterized in that
The digital audio stream signal received by universal serial bus c-type plug is converted to audio-frequency bus letter by signal processing unit
Number；
Codec carries out digital-to-analogue conversion to audio-frequency bus signal, and the analog audio signal being converted to is output to and is raised one's voice
Device.
7. earphone as claimed in claim 6, which is characterized in that digital audio stream signal includes digital multimedia audio stream signal
With the digital speech audio stream signal during telephone relation.
8. earphone as described in claim 1, which is characterized in that the earphone further includes：Microphone, microphone are outer for acquiring
Sound in portion's environment, to generate analog microphone signal；
Wherein, codec carries out analog-to-digital conversion to analog microphone signal, and the microphone audio bus being converted to is believed
Number it is output to signal processing unit；
The microphone audio bus signals of reception are converted to digital microphone audio signal by signal processing unit, and by general
Universal serial bus c-type plug exports digital microphone audio signal.
9. earphone as claimed in claim 8, which is characterized in that when universal serial bus c-type plug does not receive digital audio
When flowing signal and reaching predetermined threshold without exporting the time of digital microphone audio signal, micro-control unit is in response to by logical
The pending signal received from electric terminal with universal serial bus c-type plug enters suspended state,
Wherein, pending signal is the signal for entering suspended state for controlling micro-control unit.
10. earphone as claimed in claim 9, which is characterized in that the D+ for being used for transmission data of universal serial bus c-type plug
Terminal and D- terminals pass through general serial from electric terminal reception pending signal or digital audio stream signal, signal processing unit
The D+ terminals for being used for transmission data and D- terminals of bus c-type plug export digital microphone audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056346.7A CN108347662A (en) | 2017-01-25 | 2017-01-25 | Earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056346.7A CN108347662A (en) | 2017-01-25 | 2017-01-25 | Earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108347662A true CN108347662A (en) | 2018-07-31 |
Family
ID=62961837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710056346.7A Withdrawn CN108347662A (en) | 2017-01-25 | 2017-01-25 | Earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108347662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045738A (en) * | 2019-11-29 | 2020-04-21 | RealMe重庆移动通信有限公司 | Electronic device control method and device, electronic device and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014211A (en) * | 2007-01-12 | 2007-08-08 | 颜聪裕 | 5.1 track earphone with USB interface |
| CN103901791A (en) * | 2014-04-02 | 2014-07-02 | 联想(北京)有限公司 | Response key touch operating method and device and electronic device |
| KR101542596B1 (en) * | 2014-08-06 | 2015-08-12 | 주식회사 블루콤 | Necklace Type Auxiliary Device for Earphone |
| CN105721981A (en) * | 2015-05-28 | 2016-06-29 | Tcl通力电子（惠州）有限公司 | Earphone working method and earphone |
| CN106131732A (en) * | 2016-08-16 | 2016-11-16 | 歌尔股份有限公司 | A kind of earphone |
| CN106937192A (en) * | 2016-11-25 | 2017-07-07 | 深圳市冠旭电子股份有限公司 | Earphone |
-
2017
- 2017-01-25 CN CN201710056346.7A patent/CN108347662A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014211A (en) * | 2007-01-12 | 2007-08-08 | 颜聪裕 | 5.1 track earphone with USB interface |
| CN103901791A (en) * | 2014-04-02 | 2014-07-02 | 联想(北京)有限公司 | Response key touch operating method and device and electronic device |
| KR101542596B1 (en) * | 2014-08-06 | 2015-08-12 | 주식회사 블루콤 | Necklace Type Auxiliary Device for Earphone |
| CN105721981A (en) * | 2015-05-28 | 2016-06-29 | Tcl通力电子（惠州）有限公司 | Earphone working method and earphone |
| CN106131732A (en) * | 2016-08-16 | 2016-11-16 | 歌尔股份有限公司 | A kind of earphone |
| CN106937192A (en) * | 2016-11-25 | 2017-07-07 | 深圳市冠旭电子股份有限公司 | Earphone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045738A (en) * | 2019-11-29 | 2020-04-21 | RealMe重庆移动通信有限公司 | Electronic device control method and device, electronic device and storage medium |
| CN111045738B (en) * | 2019-11-29 | 2023-12-29 | RealMe重庆移动通信有限公司 | Electronic equipment control method and device, electronic equipment and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180731 |