CN101330536B - Multi-standby bluetooth communication terminal and sound-recording method, system thereof - Google Patents
Multi-standby bluetooth communication terminal and sound-recording method, system thereof Download PDFInfo
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- CN101330536B CN101330536B CN2008100683366A CN200810068336A CN101330536B CN 101330536 B CN101330536 B CN 101330536B CN 2008100683366 A CN2008100683366 A CN 2008100683366A CN 200810068336 A CN200810068336 A CN 200810068336A CN 101330536 B CN101330536 B CN 101330536B
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Abstract
The invention discloses a multi-standby bluetooth communication terminal and a sound recording method and a system thereof, and belongs to the communication field. The sound recording method of the multi-standby bluetooth communication terminal comprises the following steps: a bluetooth module, a first communication module and the master-slave relation between the communication modules required to be recorded are arranged according to the communication condition of a current communication module; voice signals on a physical link formed by a master device and the bluetooth module are collected through a data input pin and a data output pin of a PCM interface in the first communication module. The bluetooth module and the master-slave relation of the communication modules are arranged so as to form the physical link of voice transmission, and the voice signals are collected during the communication process through the DIN pin and the DOUT pin of the PCM interface in the first communication module, namely the voice recording function in the communication of the multi-standby bluetooth communication terminal can be realized, the cost is low, and the method is suitable for the large-scale production application.
Description
Technical field
The invention belongs to the communications field, relate in particular to a kind of multi-standby bluetooth communication terminal and the way of recording thereof, system.
Background technology
The bimodulus bluetooth mobile communication terminal comprises two communications module, bluetooth module and main control unit at least.Wherein, the bluetooth module is used for carrying out the signal transmission with outside bluetooth equipment such as bluetooth earphone, and two communications module are used for handling by the signal of the extraneous different network formats of antenna receiving-sending and to signal.Main control unit is by universal asynchronous reception/dispensing device (Universal Asynchronous Receiver/Transmitter, UART) interface transmits control signal and transmits data to bluetooth module and two communications module, (Pulse Code Modulation, PCM) interface and binary channel analog switch carry out the transmission of voice messaging to two communications module with the bluetooth module by pulse code modulation.
The bimodulus bluetooth mobile communication terminal can realize that two communications module are with the sound-recording function in the bluetooth module voice messaging reciprocal process at present.Prior art is to adopt a Digital Signal Processing (Digital SignalProcessing, DSP) chip connects the PCM passage in communications module and the bluetooth module respectively, collection and the voice signal storage to gathering by the voice signal in two communications module of dsp chip control and the bluetooth module signal reciprocal process realize sound-recording function.Because the cost of dsp chip is too high, be unfavorable for having the large-scale promotion application of the bimodulus bluetooth mobile communication terminal of sound-recording function.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of way of recording of multi-standby bluetooth communication terminal, be intended to solve when having bimodulus bluetooth mobile communication terminal realization sound-recording function now, the cost height is unfavorable for having the problem of large-scale promotion application of the bimodulus bluetooth mobile communication terminal of sound-recording function.
The embodiment of the invention is to realize like this, a kind of way of recording of multi-standby bluetooth communication terminal, pcm interface in a plurality of communications module in the described multi-standby bluetooth communication terminal comprises data input pin and data output pin at least, and the data input pin of the pcm interface of first communications module links to each other by the data output pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module in described a plurality of communications module; The data output pin of the described first communications module pcm interface links to each other by the data input pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module, the data input pin of the pcm interface of described a plurality of communications module is connected one by one by a plurality of contacts of data wire with first multiway analog switch, one end of multiway analog switch, the contact that is connected with closed contact of the other end of described first multiway analog switch links to each other with the data input pin of the pcm interface of described bluetooth module by data wire, the data output pin of the pcm interface of described a plurality of communications module is connected one by one by a plurality of contacts of data wire with an end of second multiway analog switch of multiway analog switch, the contact that is connected with closed contact of the other end of described second multiway analog switch links to each other with the data output pin of the pcm interface of described bluetooth module by data wire, said method comprising the steps of:
According to the signal intelligence of current communications module, bluetooth module, first communications module are set and need master slave relation between the communications module of recording;
Voice signal on the physical link that data input pin by pcm interface in first communications module and the collection of data output pin are made of main equipment and bluetooth module.
Another purpose of the embodiment of the invention is to provide a kind of recording system of multi-standby bluetooth communication terminal, comprise a bluetooth module and a plurality of communications module, described bluetooth module and a plurality of communications module include the pcm interface of a transmission of speech signals, described pcm interface comprises data input pin and data output pin at least, and the data input pin of the pcm interface of first communications module in described a plurality of communications module links to each other by the data output pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module; The data output pin of the first communications module pcm interface in described a plurality of communications module links to each other by the data input pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module, and described system further comprises:
The unit is set, is used for signal intelligence, described bluetooth module, first communications module are set and need master slave relation between the communications module of recording according to current communications module; And
Signal gathering unit is used for data input pin by the described first communications module pcm interface and the collection of data output pin by the described voice signal that is provided with on the main equipment of unit setting and the physical link that described bluetooth module constitutes;
Described system further comprises a multiway analog switch, described multiway analog switch comprises first multiway analog switch and second multiway analog switch, a plurality of contacts of described first multiway analog switch, one end link to each other with the data input pin of the pcm interface of described a plurality of communications module one by one by data wire, and the contact that is connected with closed contact of the other end of described first multiway analog switch links to each other with the data input pin of the pcm interface of described bluetooth module by data wire; A plurality of contacts of described second multiway analog switch, one end are connected with the data output pin of the pcm interface of described a plurality of communications module one by one by data wire, and the contact that is connected with closed contact of the other end of described second multiway analog switch links to each other with the data output pin of the pcm interface of described bluetooth module by data wire.
Another purpose of the embodiment of the invention is to provide a kind of employing multi-standby bluetooth communication terminal of recording system as mentioned above.
The embodiment of the invention is provided with the master slave relation of bluetooth module and each communications module to form the physical link of voice signal transmission, utilize the DIN pin of pcm interface in first communications module and DOUT pin to gather voice signal in each communications module communication process, connect the voice recording function that can realize in the multi-standby bluetooth communication terminal communication process by simple circuit, cost is low, is fit to large-scale production and application.
Description of drawings
Fig. 1 is the realization flow figure of the way of recording of the multi-standby bluetooth communication terminal that provides of the embodiment of the invention;
Fig. 2 is the recording system structure chart of the multi-standby bluetooth communication terminal that provides of the embodiment of the invention;
Fig. 3 is the recording system structure chart of the multi-standby bluetooth communication terminal that provides of another embodiment of the present invention;
Fig. 4 is that pcm interface in Fig. 2 bluetooth module of providing of the embodiment of the invention is with the circuit connection diagram of pcm interface in a plurality of communications module.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention is provided with the master slave relation of bluetooth module and a plurality of communications module to form the physical link of voice transfer, data input (Data In by pcm interface in first communications module, DIN) (Data Out, DOUT) pin is gathered the voice signal on the physical link in pin and data output.
Fig. 1 shows the realization flow of the way of recording of the multi-standby bluetooth communication terminal that the embodiment of the invention provides, and details are as follows:
In step S101, receive the recorded audio signals that the user selects.
In step S102, the recorded audio signals of selecting according to the user judges whether needs to the recording of the communications module in the current communication, is execution in step S103 then, otherwise returns step S101.
In step S103,, bluetooth module, first communications module are set and need master slave relation between the communications module of recording according to the signal intelligence of current communications module.
In embodiments of the present invention, communicate by first communications module and bluetooth module as if current, it is main equipment that this first communications module then is set, and the bluetooth module is a slave unit; Communicate by other communications module and bluetooth module as if current, it is main equipment that this communications module then is set, and the bluetooth module and first communications module are slave unit.
In step S104, the voice signal on the physical link that DIN pin by pcm interface in first communications module and the collection of DOUT pin are made of main equipment and bluetooth module.
Fig. 2 shows the recording system structure of the multi-standby bluetooth communication terminal that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.In addition, the bluetooth safety connected system that provides of the embodiment of the invention can be software unit, hardware cell or the software and hardware combining unit that is built in Bluetooth communication terminal.
Multi-standby bluetooth communication terminal comprises first communications module 23, second communication module 24 to n (n 〉=1) communications module 25.N communications module supported existing a plurality of network formats respectively, as global system for mobile communications (Global System for Mobile Communications, GSM) or code division multiple access (Code DivisionMultiple Access, CDMA) etc., be used to finish different network formats Signal Processing to receiving.
The pcm interface of first communications module 23 and second communication module 24 link to each other with each contact of multiway analog switch 22 by data wire respectively one by one to the pcm interface of communications module 25, and the contact that another of multiway analog switch 22 is connected with closed contact links to each other by the pcm interface of data wire with bluetooth module 21.
In addition, when specific implementation, main control unit also can place beyond each communications module, show the recording system structure of the multi-standby bluetooth communication terminal that another embodiment of the present invention provides as Fig. 3, as shown in the figure, the difference of itself and Fig. 2 is that main control unit 232 places beyond each communications module, and the function that the annexation in the system between each part, each part and each part are finished does not repeat them here as mentioned above.
Fig. 4 show pcm interface in Fig. 2 bluetooth module with first communications module and each second communication module 24 to the circuit connecting mode of the pcm interface of n communications module 25, for convenience of explanation, only show the part relevant with the embodiment of the invention.
Pcm interface comprises DIN pin and the DOUT pin that is used for the receiving and transmitting voice signal.First communications module 23, second communication module 24 link to each other by n+1 contact of first multiway analog switch 221 in data wire and the multiway analog switch 22 respectively one by one to the DIN pin of n communications module 25, and the contact that another of first multiway analog switch 221 links to each other with closed contact links to each other with the DIN pin of bluetooth module 21 by data wire; First communications module 23, second communication module 24 to the DOUT pin of n communications module 25 by data wire respectively with multiway analog switch 22 in n+1 contact of second multiway analog switch 222 link to each other one by one, the contact that another of second multiway analog switch 222 links to each other with closed contact links to each other with the DOUT pin of bluetooth module 21 by data wire.The DIN of first communications module 23 is connected DOUT and the DIN pin of second communication module 24 to n communications module 25 respectively by data wire simultaneously with the DOUT pin.The operation principle of the recording system of the multi-standby bluetooth communication terminal that the embodiment of the invention provides is described below in conjunction with Fig. 2 and Fig. 4.Please refer to Fig. 2 and Fig. 4, signal receiving unit 27 receives the recorded audio signals that the user selects by touch-screen or various function button, and send judging unit 2321 in the main control unit 232 to, wherein recorded audio signals can be that judging unit 2321 judges whether the needs calling record according to the recorded audio signals that receives to the recording of first communications module or the second communication module 24 arbitrary communications module to the n communications module 25.
When communication terminal communicates by first communications module 23, and when the user need be to the calling record in the communication process, handled by the voice-over-net signal that 231 pairs of communication units receive, the voice signal after 2322 pairs of communication units of signal gathering unit 231 are handled is gathered and is stored in the memory cell 26 that links to each other with signal gathering unit 2322.
When the bluetooth wireless transceiver in the bluetooth module 21 212 receives the voice signal of other bluetooth equipment that first communications module 23 supported by Bluetooth antenna, voice signal as bluetooth equipments such as bluetooth earphone or blue tooth submachines, 212 pairs of voice signals that receive of bluetooth wireless transceiver carry out filtering, after analog-to-digital conversion and modulation etc. are handled, send to bluetooth baseband controller 211 in the bluetooth module 21 by internal bus, bluetooth baseband controller 211 is simultaneously by UART interface 213 feedback signals on the bluetooth module 21, the unit 2323 that is provided with in the main control unit 232 in first communications module 23 passes through UART interface received signal, unit 2323 is set according to the signal that receives, by the UART interface to bluetooth module 21 transmitting control commands, the multiway analog switch selection path 1 that links to each other with the DOUT pin with the DIN pin respectively in the pcm interface in the control bluetooth module 21.In the main control unit 232 judged result of unit 2323 according to judging unit 2321 be set, if desired to the calling record in first communications module, 23 communication processs, first communications module 23 then is set is main equipment, bluetooth module 21 is a slave unit, first communications module 23 constitutes physical link by multiway analog switch 22 and bluetooth module 21, and the voice signal of 23 network enabled of first communications module that bluetooth module 21 will receive sends first communications module 23 to by pcm interface.2322 whiles of signal gathering unit in first communications module 23 are according to the judged result of judging unit 2321, if desired to the calling record in first communications module, 23 communication processs, then gather the DIN pin in the pcm interface of first communications module 23 and the audio digital signals of DOUT pin, and be stored in the memory cell 26 that links to each other with signal gathering unit 2322 by signal gathering unit 2322.
When communication terminal communicates by second communication module 24 to the arbitrary communications module in the n communications module 25, with second communication module 24 is example, after second communication module 24 receives the voice-over-net signal by antenna and handles, feed back signal to by the UART interface unit 2323 is set.Unit 2323 is set according to the feedback signal that receives, by the UART interface to bluetooth module 21 transmitting control commands, the multiway analog switch selection path 2 that links to each other with the DOUT pin with the DIN pin respectively in the pcm interface in the control bluetooth module 21, the judged result of unit 2323 according to judging unit 2321 is set simultaneously, if desired to the calling record in second communication module 24 communication processs, second communication module 24 then is set is main equipment, the bluetooth module 21 and first communications module 23 are slave unit, second communication module 24 constitutes physical link by multiway analog switch 22 and bluetooth module 21, and second communication module 24 and first communications module, 23 formation physical links.The voice signal of handling through second communication module 24 sends bluetooth module 21 to by the DIN pin and the DOUT pin of pcm interface.2322 whiles of signal gathering unit in the main control unit 232 are according to the judged result of judging unit 2321, if desired to the calling record in second communication module 24 communication processs, then gather voice signal from the physical link that second communication module 24 and bluetooth module 21 are constituted, and be stored in the memory cell 26 that links to each other with signal gathering unit 2322 by data wire.
Bluetooth wireless transceiver 212 in bluetooth module 21 receives other bluetooth equipment by Bluetooth antenna, during as the voice signal of 24 network enabled of second communication module of bluetooth earphone or blue tooth submachine etc., 212 pairs of voice signals that receive of bluetooth wireless transceiver carry out filtering, analog-to-digital conversion and modulation etc. handle after, send to bluetooth baseband controller 211 in the bluetooth module 21 by internal bus.Bluetooth baseband controller 211 is simultaneously by UART interface 213 feedback signals on the bluetooth module 21, the unit 2323 that is provided with in the main control unit 232 in first communications module 23 passes through UART interface received signal, unit 2323 is set according to the signal that receives, by the UART interface to bluetooth module 21 transmitting control commands,, the multiway analog switch selection path 2 that links to each other with the DOUT pin with the DIN pin respectively in the pcm interface in the control bluetooth module 21.Simultaneously in the main control unit 232 judged result of unit 2323 according to judging unit 2321 be set, if desired to the calling record in second communication module 24 communication processs, second communication module 24 then is set is main equipment, the bluetooth module 21 and first communications module 23 are slave unit, second communication module 24 constitutes physical link by multiway analog switch 22 and bluetooth module 21, and first communications module 24 and first communications module 23 constitute physical link, and the voice signal of 24 network enabled of second communication module that bluetooth module 21 receives sends second communication module 24 to by pcm interface.2322 whiles of signal gathering unit in the main control unit 232 are according to the judged result of judging unit 2321, during if desired to the calling record in second communication module 24 communication processs, then gather audio digital signals from the physical link that second communication module 24 and bluetooth module 21 are constituted, and be stored in the memory cell 26 that links to each other with signal gathering unit 2322 by data wire.
The physical link that the embodiment of the invention is transmitted with the formation voice signal by the master slave relation that bluetooth module and each communications module are set, DIN pin by pcm interface in first communications module and DOUT pin are gathered the voice signal in each communications module communication process, connect the voice recording function that can realize in the multi-standby bluetooth communication terminal communication process by simple circuit, cost is low, is fit to large-scale production and application.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to finish by the relevant hardware of program control, described program can be in being stored in a computer read/write memory medium, described storage medium is as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the way of recording of a multi-standby bluetooth communication terminal, it is characterized in that, pcm interface in a plurality of communications module in the described multi-standby bluetooth communication terminal comprises data input pin and data output pin at least, and the data input pin of the pcm interface of first communications module links to each other by the data output pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module in described a plurality of communications module; The data output pin of the described first communications module pcm interface links to each other by the data input pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module, the data input pin of the pcm interface of described a plurality of communications module is connected one by one by a plurality of contacts of data wire with first multiway analog switch, one end of multiway analog switch, the contact that is connected with closed contact of the other end of described first multiway analog switch links to each other with the data input pin of the pcm interface of described bluetooth module by data wire, the data output pin of the pcm interface of described a plurality of communications module is connected one by one by a plurality of contacts of data wire with an end of second multiway analog switch of multiway analog switch, the contact that is connected with closed contact of the other end of described second multiway analog switch links to each other with the data output pin of the pcm interface of described bluetooth module by data wire, said method comprising the steps of:
According to the signal intelligence of current communications module, bluetooth module, first communications module are set and need master slave relation between the communications module of recording;
Voice signal on the physical link that data input pin by pcm interface in first communications module and the collection of data output pin are made of main equipment and bluetooth module.
2. the method for claim 1, it is characterized in that, communicate by first communications module and described bluetooth module as if current, described signal intelligence according to current communications module is provided with bluetooth module, first communications module and needs the step of the master slave relation between the communications module of recording to be specially:
It is main equipment that described first communications module is set, and it is slave unit that described bluetooth module is set.
3. the method for claim 1, it is characterized in that, communicate by other communications module except that described first communications module and described bluetooth module as if current, described signal intelligence according to current communications module is provided with bluetooth module, first communications module and needs the step of the master slave relation between the communications module of recording to be specially:
It is main equipment that described other communications module is set, and it is slave unit that the described bluetooth module and first communications module are set.
4. the method for claim 1, it is characterized in that, at described signal intelligence according to current communications module, bluetooth module, first communications module are set and need before the step of the master slave relation between the communications module of recording, described method further may further comprise the steps:
Receive the recorded audio signals that the user selects;
The recorded audio signals of selecting according to described user judges whether the needs recording.
5. the recording system of a multi-standby bluetooth communication terminal, comprise a bluetooth module and a plurality of communications module, described bluetooth module and a plurality of communications module include the pcm interface of a transmission of speech signals, described pcm interface comprises data input pin and data output pin at least, it is characterized in that the data input pin of the pcm interface of first communications module in described a plurality of communications module links to each other by the data output pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module; The data output pin of the first communications module pcm interface in described a plurality of communications module links to each other by the data input pin of the pcm interface of other communications module except that described first communications module in data wire and the described a plurality of communications module, and described system further comprises:
The unit is set, is used for signal intelligence, described bluetooth module, first communications module are set and need master slave relation between the communications module of recording according to current communications module; And
Signal gathering unit is used for data input pin by the described first communications module pcm interface and the collection of data output pin by the described voice signal that is provided with on the main equipment of unit setting and the physical link that described bluetooth module constitutes;
Described system further comprises a multiway analog switch, described multiway analog switch comprises first multiway analog switch and second multiway analog switch, a plurality of contacts of described first multiway analog switch, one end link to each other with the data input pin of the pcm interface of described a plurality of communications module one by one by data wire, and the contact that is connected with closed contact of the other end of described first multiway analog switch links to each other with the data input pin of the pcm interface of described bluetooth module by data wire; A plurality of contacts of described second multiway analog switch, one end are connected with the data output pin of the pcm interface of described a plurality of communications module one by one by data wire, and the contact that is connected with closed contact of the other end of described second multiway analog switch links to each other with the data output pin of the pcm interface of described bluetooth module by data wire.
6. recording system as claimed in claim 5 is characterized in that, if currently communicate by described first communications module and described bluetooth module, describedly the unit is set described first communications module is set is main equipment, and it is slave unit that described bluetooth module is set; If currently communicate by other communications module except that described first communications module and described bluetooth module, describedly the unit is set described other communications module is set is main equipment, it is slave unit that the described bluetooth module and first communications module are set.
7. recording system as claimed in claim 5 is characterized in that, described system further comprises:
Signal receiving unit is used to receive the recorded audio signals that the user selects; And
Judging unit, the recorded audio signals that the user who is used for receiving according to described signal receiving unit selects judges whether that needing to trigger described signal gathering unit carries out speech signal collection.
8. recording system as claimed in claim 5 is characterized in that, describedly the unit is set and signal gathering unit all places in described first communications module.
9. an employing is as the multi-standby bluetooth communication terminal of claim 5 to 8 recording system as described in each.
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| EP1058467A2 (en) * | 1999-06-01 | 2000-12-06 | Nokia Mobile Phones Ltd. | Method for using two SIM cards in a mobile telephone |
| CN1976516A (en) * | 2006-12-15 | 2007-06-06 | 深圳天珑移动技术有限公司 | Double-card double-standby mobile telephone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1058467A2 (en) * | 1999-06-01 | 2000-12-06 | Nokia Mobile Phones Ltd. | Method for using two SIM cards in a mobile telephone |
| CN1976516A (en) * | 2006-12-15 | 2007-06-06 | 深圳天珑移动技术有限公司 | Double-card double-standby mobile telephone |
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