CN102780820A - Mobile phone and system and method for playing music in process of call - Google Patents
Mobile phone and system and method for playing music in process of call Download PDFInfo
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- CN102780820A CN102780820A CN2011101192378A CN201110119237A CN102780820A CN 102780820 A CN102780820 A CN 102780820A CN 2011101192378 A CN2011101192378 A CN 2011101192378A CN 201110119237 A CN201110119237 A CN 201110119237A CN 102780820 A CN102780820 A CN 102780820A
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Abstract
A mobile phone comprises a control circuit, which comprises a central processor, an external MP3 chip, a mic circuit, an analog switch, a switch control pin and a plurality of capacitors; when a low level is inputted by the switch control pin, the signal of the external MP3 chip is switched to be outputted to a pin MIC plus and a pin MIC minus of the central processor by the analog switch; and when a high level is inputted by the switch control pin, the signal of the external MP3 chip is switched to be outputted to a pin LINE_INP and a pin LINE_INM of the central processor by the analog switch. The invention also provides a system and a method for playing music in the process of the call of the mobile phone. The invention can be utilized to directly play music in the process of the call of the mobile phone, and reduces trouble of sending songs in other ways.
Description
Technical field
The present invention relates to the system and method for playing back music in a kind of mobile phone and the communication process thereof.
Background technology
When the user in communication process, rise for the moment, want the song of storing in the mobile phone is shared with the other side, at this moment, common way is issued the other side with multimedia message after waiting exactly and hanging up the telephone, and perhaps sends to the other side through network on computers.Sending through other modes, is practices well, but cumbersome.If directly can in communication process, carry out the broadcast of music, just can avoid such trouble.
Summary of the invention
In view of above content, be necessary to provide a kind of mobile phone, can in the communication process of mobile phone, carry out the broadcast of music, need not to send through other modes, more convenient.
Also be necessary to provide the method for a kind of mobile phone playing back music in communication process, can in the communication process of mobile phone, carry out the broadcast of music, need not to send through other modes, more convenient.
Also be necessary to provide the system of a kind of mobile phone playing back music in communication process, can in the communication process of mobile phone, carry out the broadcast of music, need not to send through other modes, more convenient.
A kind of mobile phone, this mobile phone comprise a control circuit, and this control circuit comprises central processing unit, external MP3 chip and mic circuit; This control circuit also comprises analog switch, switch control pin and a plurality of electric capacity; Wherein: said analog switch comprises a control pin, two input pins, four output pins; Said control pin is connected to switch control pin, and said two input pins are connected to external MP3 chip through electric capacity respectively; Said four output pins respectively through electric capacity be connected to the pin MIC+, MIC of central processing unit-with LINE_INP, LINE_INM; When switch control pin input low level, the signal of external MP3 chip through the switching of analog switch export to the pin MIC+, MIC of central processing unit-; When switch control pin input high level, the signal of external MP3 chip exports pin LINE_INP, the LINE_INM of central processing unit to through the switching of analog switch.
A kind of utilization is the method for mobile phone playing back music in communication process as stated, and this method may further comprise the steps: the detecting step 1: whether the detecting central processing unit controls external MP3 chip playing back music in communication process; Controlled step one: detecting central processing unit when in communication process, controlling external MP3 chip playing back music; Level through central processing unit trigger switch control pin is a low level, two input pins of said analog switch with the signal of external MP3 chip switch the pin MIC+ that exports central processing unit to, MIC-; The detecting step 2: whether the detecting central processing unit no longer controls external MP3 chip playing back music in communication process; Controlled step two: detecting central processing unit when in communication process, no longer controlling external MP3 playing back music; Level through central processing unit trigger switch control pin is a high level, and two input pins of said analog switch switch pin LINE_INP, the LINE_INM that exports central processing unit to the signal of external MP3 chip.
A kind of utilization is the system of mobile phone playing back music in communication process as stated, and this system comprises: detecting module one is used for whether controlling external MP3 chip playing back music at communication process detecting central processing unit; Control module one; Be used for when detecting central processing unit in the external MP3 chip playing back music of communication process control; Level through central processing unit trigger switch control pin is a low level, two input pins of said analog switch with the signal of external MP3 chip switch the pin MIC+ that exports central processing unit to, MIC-; Detecting module two is used for whether no longer controlling external MP3 chip playing back music at communication process detecting central processing unit; Control module two; Be used for detecting central processing unit when communication process is no longer controlled external MP3 playing back music; Level through central processing unit trigger switch control pin is a high level, and two input pins of said analog switch switch pin LINE_INP, the LINE_INM that exports central processing unit to the signal of external MP3 chip.
Compared to prior art, the system and method for playing back music in mobile phone of the present invention and the communication process thereof can directly carry out the broadcast of music in the communication process of mobile phone, need not to send through other modes, can reduce trouble.
Description of drawings
Fig. 1 is the hardware structure figure of mobile phone of the present invention.
Fig. 2 is the circuit diagram of control circuit 2 among Fig. 1 of the present invention.
Fig. 3 is the example sketch of analog switch 12 among Fig. 1 of the present invention.
Fig. 4 is the functional block diagram of the music control unit 3 among Fig. 1 of the present invention.
Fig. 5 is the flow chart of mobile phone of the present invention method preferred embodiment of playing back music in communication process.
The main element symbol description
| Mobile phone | 1 |
| |
2 |
| |
10 |
| External MP3 chip | 11 |
| |
12 |
| |
13 |
| The mic circuit | 14 |
| The |
3 |
| |
16、17、18、19、20、21、22、23 |
| Detecting module one | 301 |
| Control module one | 302 |
| Detecting module two | 303 |
| Control module two | 304 |
Following embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
Embodiment
As shown in Figure 1, be the hardware structure figure of mobile phone of the present invention.
Mobile phone 1 comprises control circuit 2 and music control unit 3.Music control unit 3 is used for detecting the demand of user at communication process, and when the user need be in communication process during playing back music, music control unit 3 is through a control to control circuit 2, thereby reaches the purpose of playing back music in communication process.
As shown in Figure 2, be the circuit diagram of control circuit 2 among Fig. 1 of the present invention.
Comprise CPU (Central Processing Unit in the control circuit 2; Central processing unit) 10, external MP3 chip 11, analog switch 12, switch control pin 13, mic circuit 14 and a plurality of CAP (Capacitance writes a Chinese character in simplified form, and refers to electric capacity) 16,17,18,19,20,21,22,23.
Wherein, mic circuit 14 is circuit that acoustical signal when the people is spoken changes into the voice signal of simulation.Have DC level from the audio signal of each chip output, capacitor C AP is used for before DC level gets into CPU 10, this DC level being removed, and the capacitance of capacitor C AP can be chosen in about 1uF.
The pin MIC+ of CPU 10, MIC-be connected to mic circuit 14 through CAP 22, CAP 23 respectively.The pin LINE_INP of CPU 10, LINE_INM are connected to analog switch 12 through CAP 16, CAP 17 respectively.Analog switch 12 through CAP 19, CAP 18 be connected to respectively the pin MIC+, MIC of CPU 10-.External MP3 pin of chip MP3_OUTL, MP3_OUTR are connected to analog switch 12 through CAP 20, CAP 21 respectively.The incoming level of switch control pin 13 control analog switches 12, thereby the output of control analog switch 12.
When our normal talking or when normally listening MP3,, make on the LINE_INP that is outputted to CPU 10 and LINE_INM interface of analog switch 12 through CPU 10 control analog switches 12.When we want playing back music in communication process, can make the MIC+ that is outputted to CPU 10 and the MIC of analog switch 12-on.
As shown in Figure 3, be the example sketch of analog switch 12 among Fig. 1 of the present invention.
Wherein, input pin A1, A2 link to each other with pin MP3_OUTL, the MP3_OUTR of external MP3 chip 11 through CAP 20, CAP 21 respectively.Output pin B1, B2 are respectively through CAP 19, CAP 18 pin MIC+, the MIC-link to each other with CPU 10; Output pin C1, C2 link to each other with pin LINE_INP, the LINE_INM of CPU 10 through CAP 16, CAP 17 respectively.
When our normal talking or when normally listening MP3; The level triggers of switch being controlled pin 13 through CPU 10 is a high level; Thereby making control pin S is high level; Input pin A1, A2 in the analog switch 12 is connected with output pin C1, C2 at this moment, makes on the LINE_INP that is outputted to CPU 10 and LINE_INM interface of analog switch 12.The circuit signal of this moment flows to and to be: external MP3 chip 11-->analog switch 12-->the MIC pin (process of LINE pin to MIC pin is switched through CPU internal switch circuit) of LINE pin-->CPU 10 of CPU 10--mic circuit 14 carries out the output of voice signal.This moment CPU 10 the LINE pin because the locking of circuit performance can only be carried out a kind of transmission of sound, therefore be the transmission that can't in communication process, carry out music at this moment.Wherein, the LINE pin of said CPU 10 guides pin LINE_INP, LINE_INM, the MIC pin of said CPU 10 guide pin MIC+, MIC-.
When we want playing back music in communication process; The level triggers of switch being controlled pin 13 through CPU 10 is a low level; Thereby making control pin S is low level; This moment, input pin A1, the A2 in the analog switch 12 was connected with output pin B1, B2, make the MIC+ that is outputted to CPU 10 and the MIC of analog switch 12-on, make the MP3 signal be input to CPU 10 through MIC.The signal flow of this moment is to being: external MP3 chip 11-->analog switch 12-->the MIC pin of CPU 10--mic circuit 14 carries out the output of voice signal.Because the MIC pin can carry out the transmission of two kinds of sound simultaneously, therefore, can reach the purpose of in communication process, carrying out the broadcast of MP3.
As shown in Figure 4, be the functional block diagram of the music control unit 3 among Fig. 1 of the present invention.
This music control unit 3 comprises detecting module 1, control module 1, detecting module 2 303, control module 2 304.
Detecting module 1 is used at communication process CPU 10 being detected, and whether controls external MP3 chip 11 playing back music through interface according to CPU 10 and judges whether mobile phone 1 has the demand of playing back music in communication process.When do not detect mobile phone 1 when the demand of playing back music is arranged in communication process, then be left intact.When the demand of playing back music is arranged, when the play button that also promptly detects player as CPU 10 is pressed, control external MP3 chip 11 playing back music through the I2C interface in communication process.Said I2C interface is like SDA, the SCL interface of CPU among Fig. 2 10 with external MP3 chip 11.
Control module 1 is used for detecting after mobile phone 1 has the demand of playing back music at communication process, and the level triggers of switch being controlled pin 13 through CPU 10 is a low level.At this moment, the MIC+ that is outputted to CPU 10 of analog switch 12 and MIC-on.
Detecting module 2 303 is used at communication process CPU 10 being detected, according to CPU 10 whether no longer control external MP3 chip 11 playing back music judge mobile phone 1 whether needs suspend music or whether music finishes.In the time need not suspending music or music and do not finish, then proceed detecting.The broadcast that suspends music when needs reaches when music finishes; The Pause key that CPU 10 promptly detects player is pressed or player has switched to stop key; These CPU 10 disconnections this moment are connected with external MP3 chip 11, no longer this external MP3 chip 11 of control.
Need to prove that in communication process, the broadcast of music is music and existing as a setting, at this moment, conversation still can normally be carried out, but speech quality can descend to some extent.
As shown in Figure 5, be the flow chart of mobile phone of the present invention method preferred embodiment of playing back music in communication process.
Step S100, in communication process, one 301 couples of CPU 10 of detecting module detect, and whether control external MP3 chip 11 playing back music through interface according to CPU 10 and judge whether mobile phone 1 has the demand of playing back music in communication process.When detecting mobile phone 1 when the demand of playing back music in communication process is arranged, execution in step S101 when do not detect mobile phone 1 when the demand of playing back music is arranged in communication process, is left intact, and directly finishes this flow process.
Step S101, control module 1 is detecting mobile phone 1 when the demand of playing back music is arranged in communication process, and the level triggers of switch being controlled pin 13 through CPU 10 is a low level.At this moment, the MIC+ that is outputted to CPU 10 of analog switch 12 and MIC-on.
Step S102, in communication process, 2 303 couples of CPU 10 of detecting module detect, according to CPU 10 whether broken off with judge being connected of external MP3 chip 11 mobile phone 1 whether needs suspend music or music finishes.After needs suspended music or music and finish, execution in step S103 in the time need not suspending music or music and do not finish, proceeded detecting.
Step S103, control module 2 304 is when needs suspend music or after music finished, the level triggers of switch being controlled pin 13 through CPU 10 was a high level.At this moment, on the LINE_INP that is outputted to CPU 10 and LINE_INM interface of analog switch 12.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and the scope of technical scheme of the present invention.
Claims (10)
1. mobile phone, this mobile phone comprises a control circuit, and this control circuit comprises central processing unit, external MP3 chip and mic circuit, it is characterized in that, and this control circuit also comprises analog switch, switch control pin and a plurality of electric capacity, wherein:
Said analog switch comprises a control pin, and two input pins, four output pins, said control pin are connected to switch control pin, and said two input pins are connected to external MP3 chip through electric capacity respectively; Said four output pins respectively through electric capacity be connected to the pin MIC+, MIC of central processing unit-with LINE_INP, LINE_INM;
When switch control pin input low level, the signal of external MP3 chip through the switching of analog switch export to the pin MIC+, MIC of central processing unit-; When switch control pin input high level, the signal of external MP3 chip exports pin LINE_INP, the LINE_INM of central processing unit to through the switching of analog switch.
2. mobile phone as claimed in claim 1 is characterized in that, said electric capacity is removed this DC level before the DC level of the audio signal of external MP3 chip output gets into central processing unit.
3. method of utilizing the said mobile phone of claim 1 playing back music in communication process is characterized in that this method may further comprise the steps:
The detecting step 1: whether the detecting central processing unit controls external MP3 chip playing back music in communication process;
Controlled step one: detecting central processing unit when in communication process, controlling external MP3 chip playing back music; Level through central processing unit trigger switch control pin is a low level, two input pins of said analog switch with the signal of external MP3 chip switch the pin MIC+ that exports central processing unit to, MIC-;
The detecting step 2: whether the detecting central processing unit no longer controls external MP3 chip playing back music in communication process;
Controlled step two: detecting central processing unit when in communication process, no longer controlling external MP3 playing back music; Level through central processing unit trigger switch control pin is a high level, and two input pins of said analog switch switch pin LINE_INP, the LINE_INM that exports central processing unit to the signal of external MP3 chip.
4. the method for mobile phone as claimed in claim 3 playing back music in communication process is characterized in that, the detecting step 1 comprises:
When the play button that detects player when central processing unit in communication process was pressed, central processing unit was controlled external MP3 chip playing back music through the I2C interface.
5. the method for mobile phone as claimed in claim 3 playing back music in communication process is characterized in that, the detecting step 2 comprises:
When central processing unit detected Pause key that player switched to stop key or player and is pressed, central processing unit broke off and being connected of external MP3 chip, and no longer controls external MP3 chip playing back music.
6. the method for mobile phone as claimed in claim 3 playing back music in communication process is characterized in that, said electric capacity is removed this DC level before the DC level of the audio signal of external MP3 chip output gets into central processing unit.
7. system that utilizes the said mobile phone of claim 1 playing back music in communication process is characterized in that this system comprises:
Detecting module one is used for whether controlling external MP3 chip playing back music at communication process detecting central processing unit;
Control module one; Be used for when detecting central processing unit in the external MP3 chip playing back music of communication process control; Level through central processing unit trigger switch control pin is a low level, two input pins of said analog switch with the signal of external MP3 chip switch the pin MIC+ that exports central processing unit to, MIC-;
Detecting module two is used for whether no longer controlling external MP3 chip playing back music at communication process detecting central processing unit;
Control module two; Be used for detecting central processing unit when communication process is no longer controlled external MP3 playing back music; Level through central processing unit trigger switch control pin is a high level, and two input pins of said analog switch switch pin LINE_INP, the LINE_INM that exports central processing unit to the signal of external MP3 chip.
8. the system of mobile phone as claimed in claim 7 playing back music in communication process is characterized in that, whether detecting module one controls external MP3 chip playing back music through following method detecting central processing unit:
When in communication process, when the play button that central processing unit detects player was pressed, central processing unit was controlled external MP3 chip playing back music through the I2C interface.
9. the system of mobile phone as claimed in claim 7 playing back music in communication process is characterized in that, whether detecting module two no longer controls external MP3 chip playing back music through following method detecting central processing unit:
When in communication process, central processing unit detects player and has switched to stop key or Pause key when being pressed, and central processing unit breaks off and being connected of external MP3 chip, and no longer controls external MP3 chip playing back music.
10. the system of mobile phone as claimed in claim 7 playing back music in communication process is characterized in that, said electric capacity is removed this DC level before the DC level of the audio signal of external MP3 chip output gets into central processing unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110119237.8A CN102780820B (en) | 2011-05-10 | 2011-05-10 | The system and method for music is play in mobile phone and communication process thereof |
| TW100116593A TWI583168B (en) | 2011-05-10 | 2011-05-12 | A phone and the system and method of playing music during a call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110119237.8A CN102780820B (en) | 2011-05-10 | 2011-05-10 | The system and method for music is play in mobile phone and communication process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102780820A true CN102780820A (en) | 2012-11-14 |
| CN102780820B CN102780820B (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110119237.8A Expired - Fee Related CN102780820B (en) | 2011-05-10 | 2011-05-10 | The system and method for music is play in mobile phone and communication process thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102780820B (en) |
| TW (1) | TWI583168B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856625A (en) * | 2012-12-07 | 2014-06-11 | 广州三星通信技术研究有限公司 | Device for controlling two-channel audio output and wireless communication terminal |
| CN105120070A (en) * | 2015-07-16 | 2015-12-02 | 努比亚技术有限公司 | Methods and terminal for playing music during call |
| CN106231500A (en) * | 2016-10-13 | 2016-12-14 | 福建星海通信科技有限公司 | A kind of MIC switching circuit of vehicle-mounted multimedia terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816058A (en) * | 2005-01-31 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Mobile communication terminal capable of equipping background sound and method thereof |
-
2011
- 2011-05-10 CN CN201110119237.8A patent/CN102780820B/en not_active Expired - Fee Related
- 2011-05-12 TW TW100116593A patent/TWI583168B/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816058A (en) * | 2005-01-31 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Mobile communication terminal capable of equipping background sound and method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856625A (en) * | 2012-12-07 | 2014-06-11 | 广州三星通信技术研究有限公司 | Device for controlling two-channel audio output and wireless communication terminal |
| CN103856625B (en) * | 2012-12-07 | 2015-12-09 | 广州三星通信技术研究有限公司 | Control device and the wireless communication terminal of doubleway output audio frequency |
| CN105120070A (en) * | 2015-07-16 | 2015-12-02 | 努比亚技术有限公司 | Methods and terminal for playing music during call |
| CN106231500A (en) * | 2016-10-13 | 2016-12-14 | 福建星海通信科技有限公司 | A kind of MIC switching circuit of vehicle-mounted multimedia terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI583168B (en) | 2017-05-11 |
| TW201246897A (en) | 2012-11-16 |
| CN102780820B (en) | 2016-04-06 |
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