CN102143273A - Mobile phone and method for realizing frequency modulation (FM) broadcast communication of mobile phone - Google Patents
Mobile phone and method for realizing frequency modulation (FM) broadcast communication of mobile phone Download PDFInfo
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- CN102143273A CN102143273A CN2011101108486A CN201110110848A CN102143273A CN 102143273 A CN102143273 A CN 102143273A CN 2011101108486 A CN2011101108486 A CN 2011101108486A CN 201110110848 A CN201110110848 A CN 201110110848A CN 102143273 A CN102143273 A CN 102143273A
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Abstract
The invention discloses a mobile phone and a method for realizing frequency modulation (FM) broadcast communication of the mobile phone. Because the mobile phone comprises an FM transmitting module and the FM transmitting module comprises a microphone, a baseband chip and an FM transmitting chip, the microphone of the mobile phone is used for receiving voice sound wave signals of a user, the voice sound wave signals are processed by the baseband chip and the FM transmitting chip and modulated into FM speech frequency signals which are transmitted out through FM antenna broadcasting, and other FM receiving users can obtain detailed voice contents by receiving the FM signals. Compared with other wireless modes, the mobile phone and the method can realize one-to-many communications and are free of charge. According to the method, the mobile phone has a new function of FM broadcast communication, so free broadcast communications can be provided for users, and conveniences are brought to the users.
Description
Technical field
The present invention relates to portable terminal, in particular a kind of mobile phone and FM broadcast communication implementation method thereof.
Background technology
Along with the development of mobile communication and improving constantly of people's living standard, the use of mobile phone is more and more universal, and mobile phone has become indispensable means of communication in people's life.But the mobile phone of prior art does not have FM broadcast communication function, and inconvenient people advance free broadcast communication.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of mobile phone and FM broadcast communication implementation method thereof, it makes mobile phone increase the new function of FM broadcast communication, can be the user free broadcast communication is provided, and provides users with the convenient.
Technical scheme of the present invention is as follows:
A kind of mobile phone wherein, comprises the FM transmitter module, and described FM transmitter module comprises microphone, baseband chip and FM transmitting chip;
Described microphone is connected with described baseband chip, is used to receive the user's voice acoustic signals, and this speech sound waves conversion of signals is sent to baseband chip for the analog voice signal of telecommunication;
Described baseband chip is connected with described FM transmitting chip, is used for the described analog voice signal of telecommunication is amplified and Filtering Processing, and is converted to stereo digital signal and sends to described FM transmitting chip;
The FM transmitting chip is used for described stereo digital signal is carried out the FM encoding process, and carries out the FM modulation treatment, generates FM speech frequency signal and launches.
Described mobile phone, wherein, it also comprises the FM antenna that is connected with described FM transmitting chip, is used for FM speech frequency signal is launched.
Described mobile phone, wherein, described baseband chip comprises: amplifying unit, A/D converting unit, filter unit, digital signal processing unit;
Described amplifying unit is connected with microphone, is used for the described analog voice signal of telecommunication is carried out processing and amplifying;
Described A/D converting unit is connected with described amplifying unit, and being used for the analog voice electrical signal conversion through processing and amplifying is the digital speech signal of telecommunication;
Described filter unit is connected with described A/D converting unit, is used for the described digital speech signal of telecommunication is carried out Filtering Processing;
Described digital signal processing unit is connected with described filter unit, is used for that speech coding is handled and the stereo coding processing to carrying out through the digital speech signal of telecommunication of Filtering Processing, and is converted to stereo digital signal and sends to described FM transmitting chip.
Described mobile phone, wherein, described FM antenna is loop aerial or unipole antenna.
Described mobile phone, wherein, it also comprises the FM receiver module, one side is used to search for existing FM frequency signal, receives the FM speech frequency signal of the other side's mobile phone when being used for the FM broadcast communication on the other hand, obtains content in a minute.
A kind of FM broadcast communication implementation method of mobile phone wherein, comprises step:
A, the microphone by mobile phone receive the user's voice acoustic signals, and this speech sound waves conversion of signals are sent to the baseband chip of mobile phone for the analog voice signal of telecommunication;
B, baseband chip amplify the described analog voice signal of telecommunication and Filtering Processing, and are converted to the FM transmitting chip that stereo digital signal sends to mobile phone;
C, FM transmitting chip carry out the FM encoding process with described stereo digital signal, and carry out the FM modulation treatment, generate FM speech frequency signal and launch by the FM antenna.
The FM broadcast communication implementation method of described mobile phone wherein, also comprises step after the described step C:
D, recipient's mobile phone receive described FM speech frequency signal, obtain content in a minute.
The FM broadcast communication implementation method of described mobile phone, wherein, described step B specifically comprises:
B1, the described analog voice signal of telecommunication is carried out processing and amplifying by the amplifying unit in the baseband chip; And will through the analog voice electrical signal conversion of processing and amplifying the digital speech signal of telecommunication by the A/D converting unit in the baseband chip;
B2, the described digital speech signal of telecommunication is carried out Filtering Processing by filter unit;
B3, again by digital signal processing unit to carrying out speech coding through the digital speech signal of telecommunication of Filtering Processing and handle and stereo coding is handled, and be converted to stereo digital signal and send to described FM transmitting chip by the I2S bus.
The FM broadcast communication implementation method of described mobile phone, wherein, described step C also comprises: behind the existing FM frequency signal of FM receiver manual search, select a definite FM frequency that does not have to use as the FM tranmitting frequency.
The FM broadcast communication implementation method of described mobile phone, wherein, the tranmitting frequency of FM speech frequency signal is set by baseband chip by the I2C bus.
Mobile phone provided by the present invention and FM broadcast communication implementation method thereof, owing to adopted described mobile phone to comprise the FM transmitter module, described FM transmitter module comprises microphone, baseband chip and FM transmitting chip, microphone by mobile phone receives the user's voice acoustic signals, and this speech sound waves signal handled by baseband chip and FM transmitting chip, be modulated into FM speech frequency signal and launch by the FM antenna broadcast, other FM receive the user can obtain concrete voice content by receiving this FM signal.With respect to other wireless modes, this invention can realize the communication of one-to-many and be free.It makes mobile phone increase the new function of FM broadcast communication, can be the user free broadcast communication is provided, and provides users with the convenient.
Description of drawings
Fig. 1 is the cell-phone function theory structure schematic diagram of one embodiment of the invention.
Fig. 2 is the cell-phone function theory structure schematic diagram of another embodiment of the present invention.
Fig. 3 is the FM broadcast communication implementation method flow chart of embodiment of the invention mobile phone.
Embodiment
A kind of mobile phone of the present invention and FM broadcast communication implementation method thereof, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
A kind of mobile phone of the embodiment of the invention as shown in Figure 1, includes FM transmitter module 100 and FM receiver module 200.FM receiver module 200 wherein just is based on the FM broadcast receiver of mobile phone.
And described FM transmitter module 100 comprises microphone 110, baseband chip 120 and FM transmitting chip 130.
Described microphone 110 is connected with described baseband chip 120, carrying out broadcast communication at need by this mobile phone advances, at first, receive the user's voice acoustic signals, and this speech sound waves conversion of signals is sent to baseband chip 120 for the analog voice signal of telecommunication by the microphone 110 of this mobile phone.
Described baseband chip 120 is connected with described FM transmitting chip 130, be used for the described analog voice signal of telecommunication is amplified and Filtering Processing, after go forward side by side lang sound encoding process and stereo coding are handled voice telecommunication number be converted to stereo digital signal and send to described FM transmitting chip 130.
The described mobile phone of present embodiment, as shown in Figure 1, it also comprises the FM antenna 11 that is connected with described FM transmitting chip 130, is used for FM speech frequency signal is launched.
Like this, in the embodiment of the invention user's voice signal is launched by the FM coded modulation, other receiving terminals with FM receiving function just can receive described FM speech frequency signal, obtain user's the content of speaking, and have reached the purpose of free communication.
Further, as shown in Figure 2, described baseband chip 120 comprises: amplifying unit 121, A/D converting unit 122, filter unit 123, digital signal processing unit 124.
Described amplifying unit 121 is connected with microphone 110, is used for the described analog voice signal of telecommunication is carried out processing and amplifying.
Described A/D converting unit 122 is connected with described amplifying unit 121, and being used for the analog voice electrical signal conversion through processing and amplifying is the digital speech signal of telecommunication.
Described filter unit 123 is connected with described A/D converting unit 122, is used for the described digital speech signal of telecommunication is carried out Filtering Processing.
Described digital signal processing unit 124 is connected with described filter unit 123, is used for that speech coding is handled and the stereo coding processing to carrying out through the digital speech signal of telecommunication of Filtering Processing, and is converted to stereo digital signal and sends to described FM transmitting chip.
As shown in Figure 2, by the I2S bus stereo digital signal being sent to FM transmitting chip 130 in the present embodiment handles.The setting of the tranmitting frequency of FM transmitting chip 130 is set by the I2C bus.I2C(Inter-Integrated Circuit) bus is by the twin wire universal serial bus of PHILIPS company exploitation, is used to connect microcontroller and ancillary equipment thereof.
I2S (Inter-IC Sound) bus is that PHILIPS Co. is a kind of bus standard that the audio data transmission between the digital audio-frequency apparatus is formulated, and this bus is specialized in the transfer of data between audio frequency apparatus, is widely used in various multimedia systems.
The selected requirement of FM tranmitting frequency can not be interfered existing FM frequency signal on every side.Can select a definite FM frequency that does not have to use as the FM tranmitting frequency by behind the existing FM frequency signal of FM receiver module manual search.The transmitting power of FM transmitting chip can be set by baseband chip 120 by the I2C bus.Its setting size depends on two factors: the transmitting boundary of FM transmitting chip and power consumption.
As depicted in figs. 1 and 2, the FM antenna can adopt various ways, include LOOP ANTENNA(loop aerial), MONOPOLE ANTENNA(unipole antenna), if certainly the space allows, also can pass through PCB LAYOUT(PCB plate layout) form realization ANTENNA(antenna) function.
If do not adopt PCB LAYOUT mode, can pass through the FPC(flexible PCB) form antenna, FPC(flexible PCB) can stick on the plastic casing of mobile phone and by the popular cushion of POP PIN(connect) mode finish circuit board with PCB() dock.
Therefore the mobile phone of the embodiment of the invention can be the user free broadcast communication is provided, and it makes mobile phone increase the new function of FM broadcast communication, provides users with the convenient.
Based on the mobile phone of the foregoing description, the embodiment of the invention also provides a kind of FM broadcast communication implementation method of mobile phone, as shown in Figure 3, mainly comprises step:
Step S310, the microphone by mobile phone receive the user's voice acoustic signals, and this speech sound waves conversion of signals are sent to the baseband chip of mobile phone for the analog voice signal of telecommunication.
Step S320, baseband chip amplify the described analog voice signal of telecommunication and Filtering Processing, and are converted to the FM transmitting chip that stereo digital signal sends to mobile phone.
This step S320 specifically comprises:
B1, the described analog voice signal of telecommunication is carried out processing and amplifying by the amplifying unit in the baseband chip; And will through the analog voice electrical signal conversion of processing and amplifying the digital speech signal of telecommunication by the A/D converting unit in the baseband chip;
B2, the described digital speech signal of telecommunication is carried out Filtering Processing by filter unit;
B3, again by digital signal processing unit to carrying out speech coding through the digital speech signal of telecommunication of Filtering Processing and handle and stereo coding is handled, and be converted to stereo digital signal and send to described FM transmitting chip by the I2S bus, enter step S330.
Step S330, FM transmitting chip carry out the FM encoding process with described stereo digital signal, and carry out the FM modulation treatment, generate FM speech frequency signal and launch by the FM antenna.
Wherein, FM speech frequency signal is launched the time, need to confirm the FM frequency of its emission.Can select a definite FM frequency that does not have to use as the FM tranmitting frequency by behind the existing FM frequency signal of FM receiver manual search.Wherein, the tranmitting frequency of FM speech frequency signal is set by baseband chip by the I2C bus.
Step S340, recipient's mobile phone receive described FM speech frequency signal, obtain content in a minute.
In sum, mobile phone provided by the present invention and FM broadcast communication implementation method thereof, owing to adopted described mobile phone to comprise the FM transmitter module, described FM transmitter module comprises microphone, baseband chip and FM transmitting chip, microphone by mobile phone receives the user's voice acoustic signals, and this speech sound waves signal handled by baseband chip and FM transmitting chip, be modulated into FM speech frequency signal and launch by the FM antenna broadcast, other FM receive the user can obtain concrete voice content by receiving this FM signal.With respect to other wireless modes, this invention can realize the communication of one-to-many and be free.It makes mobile phone increase the new function of FM broadcast communication, can be the user free broadcast communication is provided, and provides users with the convenient.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a mobile phone is characterized in that, comprises the FM transmitter module, and described FM transmitter module comprises microphone, baseband chip and FM transmitting chip;
Described microphone is connected with described baseband chip, is used to receive the user's voice acoustic signals, and this speech sound waves conversion of signals is sent to baseband chip for the analog voice signal of telecommunication;
Described baseband chip is connected with described FM transmitting chip, is used for the described analog voice signal of telecommunication is amplified and Filtering Processing, and the lang sound encoding process of going forward side by side and stereo coding treatment conversion are that stereo digital signal sends to described FM transmitting chip;
The FM transmitting chip is used for described stereo digital signal is carried out the FM encoding process, and carries out the FM modulation treatment, generates FM speech frequency signal and launches.
2. mobile phone according to claim 1 is characterized in that, it also comprises the FM antenna that is connected with described FM transmitting chip, is used for FM speech frequency signal is launched.
3. mobile phone according to claim 1 is characterized in that, described baseband chip comprises: amplifying unit, A/D converting unit, filter unit, digital signal processing unit;
Described amplifying unit is connected with microphone, is used for the described analog voice signal of telecommunication is carried out processing and amplifying;
Described A/D converting unit is connected with described amplifying unit, and being used for the analog voice electrical signal conversion through processing and amplifying is the digital speech signal of telecommunication;
Described filter unit is connected with described A/D converting unit, is used for the described digital speech signal of telecommunication is carried out Filtering Processing;
Described digital signal processing unit is connected with described filter unit, is used for that speech coding is handled and the stereo coding processing to carrying out through the digital speech signal of telecommunication of Filtering Processing, and is converted to stereo digital signal and sends to described FM transmitting chip.
4. mobile phone according to claim 2 is characterized in that, described FM antenna is loop aerial or unipole antenna.
5. according to each described mobile phone of claim 1-4, it is characterized in that, it also comprises the FM receiver module, and one side is used to search for existing FM frequency signal, receives the FM speech frequency signal of the other side's mobile phone when being used for the FM broadcast communication on the other hand, obtains content in a minute.
6. the FM broadcast communication implementation method of a mobile phone is characterized in that, comprises step:
A, the microphone by mobile phone receive the user's voice acoustic signals, and this speech sound waves conversion of signals are sent to the baseband chip of mobile phone for the analog voice signal of telecommunication;
B, baseband chip amplify the described analog voice signal of telecommunication and Filtering Processing, and the lang sound encoding process of going forward side by side and stereo coding treatment conversion are the FM transmitting chip that stereo digital signal sends to mobile phone;
C, FM transmitting chip carry out the FM encoding process with described stereo digital signal, and carry out the FM modulation treatment, generate FM speech frequency signal and launch by the FM antenna.
7. according to the FM broadcast communication implementation method of the described mobile phone of claim 6, it is characterized in that, also comprise step after the described step C:
D, recipient's mobile phone receive described FM speech frequency signal, obtain content in a minute.
8. according to the FM broadcast communication implementation method of the described mobile phone of claim 6, it is characterized in that described step B specifically comprises:
B1, the described analog voice signal of telecommunication is carried out processing and amplifying by the amplifying unit in the baseband chip; And will through the analog voice electrical signal conversion of processing and amplifying the digital speech signal of telecommunication by the A/D converting unit in the baseband chip;
B2, the described digital speech signal of telecommunication is carried out Filtering Processing by filter unit;
B3, again by digital signal processing unit to carrying out speech coding through the digital speech signal of telecommunication of Filtering Processing and handle and stereo coding is handled, and be converted to stereo digital signal and send to described FM transmitting chip by the I2S bus.
9. according to the FM broadcast communication implementation method of the described mobile phone of claim 6, it is characterized in that described step C also comprises: behind the existing FM frequency signal of FM receiver manual search, select a definite FM frequency that does not have to use as the FM tranmitting frequency.
10. according to the FM broadcast communication implementation method of the described mobile phone of claim 9, it is characterized in that described step C also comprises:
The tranmitting frequency of FM speech frequency signal is set by baseband chip by the I2C bus.
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| CN2011101108486A CN102143273A (en) | 2011-04-29 | 2011-04-29 | Mobile phone and method for realizing frequency modulation (FM) broadcast communication of mobile phone |
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| CN2011101108486A CN102143273A (en) | 2011-04-29 | 2011-04-29 | Mobile phone and method for realizing frequency modulation (FM) broadcast communication of mobile phone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263859A (en) * | 2011-08-09 | 2011-11-30 | 惠州Tcl移动通信有限公司 | Mobile terminal as well as monitoring system and monitoring method based on mobile terminal |
| CN102843112A (en) * | 2012-09-13 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060116956A (en) * | 2005-05-12 | 2006-11-16 | 주식회사 팬택 | Mobile phone and tty/tdd device |
| CN101361281A (en) * | 2006-10-27 | 2009-02-04 | 莱尔德技术股份有限公司 | Antenna device and portable radio communication device comprising such antenna device |
| CN101465901A (en) * | 2007-12-18 | 2009-06-24 | 康佳集团股份有限公司 | Mobile phone and method for processing down voice |
| CN201430617Y (en) * | 2009-05-04 | 2010-03-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal for transmitting/receiving frequency-modulated signals |
| CN101860620A (en) * | 2010-05-06 | 2010-10-13 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
-
2011
- 2011-04-29 CN CN2011101108486A patent/CN102143273A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060116956A (en) * | 2005-05-12 | 2006-11-16 | 주식회사 팬택 | Mobile phone and tty/tdd device |
| CN101361281A (en) * | 2006-10-27 | 2009-02-04 | 莱尔德技术股份有限公司 | Antenna device and portable radio communication device comprising such antenna device |
| CN101465901A (en) * | 2007-12-18 | 2009-06-24 | 康佳集团股份有限公司 | Mobile phone and method for processing down voice |
| CN201430617Y (en) * | 2009-05-04 | 2010-03-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal for transmitting/receiving frequency-modulated signals |
| CN101860620A (en) * | 2010-05-06 | 2010-10-13 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263859A (en) * | 2011-08-09 | 2011-11-30 | 惠州Tcl移动通信有限公司 | Mobile terminal as well as monitoring system and monitoring method based on mobile terminal |
| WO2013020434A1 (en) * | 2011-08-09 | 2013-02-14 | 惠州Tcl移动通信有限公司 | Mobile terminal, and monitoring system and monitoring method based on same |
| CN102843112A (en) * | 2012-09-13 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication terminal |
| CN102843112B (en) * | 2012-09-13 | 2016-05-18 | 惠州Tcl移动通信有限公司 | A kind of mobile communication terminal |
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Application publication date: 20110803 |