CN201388232Y - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
CN201388232Y
CN201388232Y CN200920135925U CN200920135925U CN201388232Y CN 201388232 Y CN201388232 Y CN 201388232Y CN 200920135925 U CN200920135925 U CN 200920135925U CN 200920135925 U CN200920135925 U CN 200920135925U CN 201388232 Y CN201388232 Y CN 201388232Y
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China
Prior art keywords
baseband processor
module
audio
clock
audio conversion
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Expired - Lifetime
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CN200920135925U
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Chinese (zh)
Inventor
张小兵
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Priority to CN200920135925U priority Critical patent/CN201388232Y/en
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Abstract

The utility model is applicable to the communication field, and provides a mobile terminal. The mobile terminal comprises a first baseband processor for transmitting audio signals, further comprises a clock module for transmitting clock and synchronous signals, a first audio conversion module which is respectively connected with the clock module and the first baseband processor, and a Bluetooth module which is respectively connected with the clock module and the first audio conversion module, wherein the first audio conversion module respectively receives audio signals transmitted by the first baseband processor and clock and synchronous signals transmitted by the clock module, and can conduct the audio conversion for the audio signals in accordance with the clock and synchronous signals, and the Bluetooth module receives the clock and synchronous signals transmitted by the clock module, and receives the audio signals converted by the first audio conversion module for the audio signals transmitted by the first baseband processor in accordance with the clock and synchronous signals. The utility model realizes the compatibility of audio signals inputted by the mobile terminal with a Bluetooth audio interface.

Description

A kind of portable terminal
Technical field
The utility model belongs to the communications field, relates in particular to a kind of portable terminal.
Background technology
Present digital transmission system all is to adopt pulse code modulation (Pulse Code Modulation, PCM) system.PCM is exactly the spike train that analog signals such as sound is become symbolism, gives record again, and the PCM signal is the digital signal that is made of symbol such as 1,0, with the analog signal ratio, it is not subject to the clutter of transfer system and the influence of distortion, and wide dynamic range can obtain the goodish impact effect of tonequality.For example continuous signal such as sound, television image and computer data are converted into the Baudot code of being made up of 5 or 7 " leading to ", " breaking " pulse usually.PCM has been widely used in various communication services, also is used for ensureing the communication security of the public communication service of a multitude of names.Pcm interface is made up of clock pulse, frame synchronizing signal and data queue.
Support that at present the bluetooth of analog audio interface is very expensive, it generally is 3～5 times price not supporting the analog audio interface bluetooth, and exist part communicate by letter base band do not support pcm audio interface or support pcm audio can't with bluetooth pcm audio Interface Matching, for example analog communication base band, when a communication base band of the double-standby mobile terminal of prior art is not supported the Bluetooth audio frequency interface, this communication base band can not be carried out the bluetooth conversation, makes troubles to the user.
The utility model content
The purpose of this utility model is to provide a kind of baseband processor, and when incompatible, portable terminal can not be realized the problem that bluetooth is conversed to the audio signal of baseband processor output that is intended to solve the prior art portable terminal with the Bluetooth audio frequency interface.
The utility model is achieved in that a kind of portable terminal, comprises first baseband processor that is used to send audio signal, and described portable terminal also comprises:
The clock module that is used for tranmitting data register and synchronizing signal;
First audio conversion module that is connected with first baseband processor with described clock module respectively, described first audio conversion module receives the audio signal of described first baseband processor transmission and clock and the synchronizing signal that described clock module sends respectively, according to described clock and synchronizing signal described audio signal is carried out audio conversion;
The bluetooth module that is connected with first audio conversion module with described clock module respectively, receive clock and synchronizing signal that described clock module sends, receive audio signal after audio signal that described first audio conversion module sends described first baseband processor is carried out audio conversion according to described clock and synchronizing signal.
In the utility model, portable terminal comprises first baseband processor, also comprise clock module, and first audio conversion module and the bluetooth module that are connected with clock module respectively, wherein, clock and synchronizing signal that clock module sends, first audio conversion module carries out audio conversion and transmission according to clock and synchronizing signal to the audio signal of first baseband processor transmission of reception, and bluetooth module is according to clock and synchronizing signal received audio signal.Realized when the audio signal of portable terminal input and Bluetooth audio frequency interface are incompatible, can conversing by bluetooth.
Description of drawings
Fig. 1 is the structure chart of the portable terminal that provides of the utility model first embodiment;
Fig. 2 is the structure chart of the portable terminal that provides of the utility model second embodiment;
Fig. 3 is the structure chart of the portable terminal that provides of the utility model the 3rd embodiment;
Fig. 4 is the structure chart of the portable terminal that provides of the utility model the 4th embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In the utility model, portable terminal comprises first baseband processor, also comprise clock module, and first audio conversion module and the bluetooth module that are connected with clock module respectively, wherein, clock and synchronizing signal that clock module sends, first audio conversion module carries out audio conversion according to clock and synchronizing signal to the audio signal that first baseband processor that receives sends, bluetooth module is according to clock and synchronizing signal received audio signal, realized when the audio signal of portable terminal input and Bluetooth audio frequency interface are incompatible, can conversing by bluetooth.
Fig. 1 shows the structure of the portable terminal that the utility model first embodiment provides.
In the utility model first embodiment, portable terminal comprises first baseband processor 101, clock module 102, the first audio conversion modules 103 and bluetooth module 104.Clock module 102 is connected with bluetooth module 104 with first audio conversion module 103 respectively, and first audio conversion module 103 is connected with bluetooth module 104 with first baseband processor 101 respectively.
In the utility model embodiment, clock module 102 is respectively to first audio conversion module 103 and bluetooth module 104 tranmitting data registers and synchronizing signal, and first baseband processor 101 sends audio signal to audio conversion module.First audio conversion module 103 receives the audio signal that first baseband processor 101 sends, and the clock and the synchronizing signal of clock module transmission, according to clock and synchronizing signal audio signal is carried out sending to bluetooth module 104 after the audio conversion, clock and synchronizing signal that bluetooth module 104 receive clock modules 102 send receive the audio signal that first audio conversion module 103 sends according to clock and synchronizing signal.
Wherein, first audio conversion module can be Codec, the audio signal of first audio conversion module output can be the pcm audio signal, in order to realize making the audio signal of first audio conversion module, 103 outputs and the audio interface compatibility of bluetooth module 104, the user can be provided with clock and the synchronizing signal that clock module 102 sends according to audio interface.
In the utility model embodiment, portable terminal also can comprise two baseband processor, and portable terminal can be a Bluetooth mobile terminal.
Fig. 2 shows the structure of the portable terminal that the utility model second embodiment provides.
In the utility model second embodiment, portable terminal comprises bluetooth module 207, first baseband processor 201, second baseband processor 202, first audio conversion module 203, clock module 204, controller 205, diverter switch module 206 and bluetooth module 207, first baseband processor 201 is connected with first audio conversion module 203, clock module 204 is connected with bluetooth module 207 with first audio conversion module 203 respectively, controller 205 is connected with second baseband processor 202 with first baseband processor 201 respectively, diverter switch module 206 respectively with bluetooth module 207, first audio conversion module 203, second baseband processor 202 is connected with controller 205.In the utility model second embodiment, second baseband processor 202 of portable terminal is built-in with second audio conversion module, the audio signal of second baseband processor, 202 outputs and the audio interface compatibility of bluetooth module 207, and the audio interface of the audio signal of first baseband processor, 201 outputs and bluetooth module 207 is incompatible.
Clock module 204 is respectively to first audio conversion module 203 and bluetooth module 207 tranmitting data registers and synchronizing signal, first baseband processor 201 sends audio signal to first audio conversion module 203, first audio conversion module 203 carries out audio conversion according to the clock of clock module 204 transmissions and the audio signal of synchronizing signal and 201 transmissions of first baseband processor to audio signal, controller 205 detects the talking state of first baseband processor 201 and second baseband processor 202, when being in talking state, first baseband processor 201 or second baseband processor 202 transmit control signal, diverter switch module 206 receives the control signal that controller 205 sends, connect according to control signal and first audio conversion module 203 or second baseband processor 202, the audio signal transmission that first audio conversion module 203 or second baseband processor 202 are sent is to bluetooth module 207, clock and synchronizing signal that bluetooth module 207 receive clock modules 204 send receive the audio signal that diverter switch module 206 sends according to clock and synchronizing signal.
Wherein, when controller 205 detections first baseband processor 201 was in talking state, diverter switch module 206 was connected with first baseband processor 201 according to the control signal that receives.When controller 205 detections second baseband processor 202 was in talking state, diverter switch module 206 was connected with second baseband processor 202 according to the control signal that receives.
Fig. 3 shows the structure of the portable terminal that the utility model the 3rd embodiment provides.
In the utility model the 3rd embodiment, portable terminal comprises two baseband processor, first baseband processor 301, second baseband processor 302, also comprise first audio conversion module 303, second audio conversion module 304, clock module 305, bluetooth module 306, controller 307, with diverter switch module 308, first audio conversion module, 303, the second audio conversion modules 304 are connected with second baseband processor 202 with first baseband processor 301 respectively, clock module 305 respectively with first audio conversion module 303, second audio conversion module 304 is connected with bluetooth module 306, controller 307 is connected with second baseband processor 302 with first baseband processor 301 respectively, diverter switch module 208 respectively with bluetooth module 306, first audio conversion module 301, second audio conversion module 302 is connected with controller 307.In the utility model the 3rd embodiment, the audio signal of two baseband processor outputs of portable terminal and the audio interface of bluetooth module 306 are all incompatible.
Clock module 305 is respectively to first audio conversion module 301, second audio conversion module 302 and bluetooth module 306 tranmitting data registers and synchronizing signal, first baseband processor 301 sends audio signal to first audio conversion module 303, second baseband processor 302 sends audio signal to second audio conversion module 304, first audio conversion module 301 or second audio conversion module 303 carry out audio conversion according to clock and synchronizing signal that clock module 305 sends to first baseband processor 301 or second baseband processor, 302 transmission audio signals, controller 307 detects the talking state of first baseband processor 301 and second baseband processor 302, when being in talking state, first baseband processor 301 or second baseband processor 302 transmit control signal, diverter switch module 308 receives the control signal that controller 307 sends, connect according to control signal and first audio conversion module 303 or second audio conversion module 304, the audio signal transmission that first audio conversion module 303 or second audio conversion module 304 are sent is to bluetooth module 306, clock and synchronizing signal that bluetooth module 306 receive clock modules 305 send receive the audio signal that first audio conversion module 303 or second audio conversion module 304 send according to clock and synchronizing signal.
Wherein, when controller 307 detected first baseband processor 301 and is in talking state, diverter switch module 308 was connected with first audio conversion module 303 according to the control signal that receives.When controller 307 detected second baseband processor 302 and is in talking state, diverter switch module 308 was connected with second audio conversion module 304 according to the control signal that receives.
Fig. 4 shows the structure of the portable terminal that the utility model the 4th embodiment provides.
In the utility model the 4th embodiment, portable terminal comprises first baseband processor 401, second baseband processor 402, controller 403, diverter switch module 404, clock module 405, first audio conversion module 406, bluetooth module 407, controller 403 is connected with diverter switch module 404 with first baseband processor 401, second baseband processor 402 respectively, clock module 405 is connected with bluetooth module 407 with first audio conversion module 406 respectively, and first audio conversion module 406 is connected with bluetooth module 407 with diverter switch module 404 respectively.In the utility model the 4th embodiment, the audio signal of two baseband processor outputs of portable terminal and the audio interface of bluetooth module 407 are all incompatible, and shared first audio conversion module 406.
Controller 403 detects the talking state of first baseband processor 401 and second baseband processor 402, when being in talking state, first baseband processor 401 or second baseband processor 402 transmit control signal, diverter switch module 404 receives the control signal that controller 403 sends, connect according to control signal and first baseband processor 401 or second baseband processor 402, the audio signal transmission that first baseband processor 401 or second baseband processor 402 are sent is to first audio conversion module 406, clock module 405 is respectively to first audio conversion module 406 and bluetooth module 407 tranmitting data registers and synchronizing signal, first audio conversion module 406 receives the audio signal of diverter switch module 404 transmissions and clock and the synchronizing signal that clock module 405 sends, according to clock and synchronizing signal audio signal is carried out sending to bluetooth module 407 after the audio conversion, clock and synchronizing signal that bluetooth module 407 receive clock modules 405 send receive the audio signal that first audio conversion module 406 sends according to clock and synchronizing signal.
In the utility model embodiment, audio conversion module is codec (Codec), the audio signal of audio conversion module output is the pcm audio signal, clock module can be built in baseband processor or the controller, the audio interface compatibility of the audio signal of the output of a baseband processor and bluetooth module in the portable terminal for example, the output of another baseband processor the audio signal and the audio interface of bluetooth module when incompatible, clock module can be built in the baseband processor with the audio interface compatibility of bluetooth module, clock and synchronizing signal that clock module sends can obtain according to the audio signal in this baseband processor, in addition, when portable terminal comprised two baseband processor, clock module can also be selected to audio conversion module tranmitting data register and synchronizing signal according to talking state.
In the utility model, portable terminal comprises first baseband processor, also comprise clock module, and first audio conversion module and the bluetooth module that are connected with clock module respectively, wherein, clock and synchronizing signal that clock module sends, first audio conversion module carries out audio conversion according to clock and synchronizing signal to the audio signal that first baseband processor that receives sends, and bluetooth module is according to clock and synchronizing signal received audio signal.Realized when the audio signal of portable terminal input and Bluetooth audio frequency interface are incompatible, can conversing, bring convenience for user's bluetooth, and hardware implementation cost has been low by bluetooth.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.

Claims (9)

1, a kind of portable terminal comprises first baseband processor that is used to send audio signal, it is characterized in that described portable terminal also comprises:
The clock module that is used for tranmitting data register and synchronizing signal;
First audio conversion module that is connected with first baseband processor with described clock module respectively, described first audio conversion module receives the audio signal of described first baseband processor transmission and clock and the synchronizing signal that described clock module sends respectively, according to described clock and synchronizing signal described audio signal is carried out audio conversion;
The bluetooth module that is connected with first audio conversion module with described clock module respectively, receive clock and synchronizing signal that described clock module sends, receive audio signal after audio signal that described first audio conversion module sends described first baseband processor is carried out audio conversion according to described clock and synchronizing signal.
2, portable terminal as claimed in claim 1 is characterized in that, described portable terminal also comprises:
Be built-in with second baseband processor of second audio conversion module;
The controller that is connected with second baseband processor with described first baseband processor respectively, detect the talking state of described first baseband processor and second baseband processor, when described first baseband processor or second baseband processor are in talking state, transmit control signal;
The diverter switch module that is connected with controller with described bluetooth module, first audio conversion module, second baseband processor respectively, receive the control signal that described controller sends, connect according to control signal and described first audio conversion module or second baseband processor, the audio signal transmission that described first audio conversion module or second baseband processor are sent is to bluetooth module.
3, portable terminal as claimed in claim 1 is characterized in that, described portable terminal also comprises:
Be used to send second baseband processor of audio signal;
Second audio conversion module that is connected with second baseband processor with described clock module respectively, receive the audio signal that described second baseband processor sends, and the clock and the synchronizing signal of described clock module transmission, according to clock and synchronizing signal audio signal is carried out audio conversion;
The controller that is connected with second baseband processor with described first baseband processor respectively, detect the talking state of described first baseband processor and second baseband processor, when described first baseband processor or second baseband processor are in talking state, transmit control signal;
The diverter switch module that is connected with controller with described bluetooth module, first audio conversion module, second audio conversion module respectively, receive the control signal that described controller sends, connect according to control signal and described first audio conversion module or second audio conversion module, the audio signal transmission that described first audio conversion module or second audio conversion module are sent is to bluetooth module.
4, portable terminal as claimed in claim 1 is characterized in that, described portable terminal also comprises:
Second baseband processor;
The controller that is connected with second baseband processor with described first baseband processor respectively, detect the talking state of described first baseband processor and second baseband processor, when described first baseband processor or second baseband processor are in talking state, transmit control signal;
The diverter switch module that is connected with controller with described second baseband processor respectively, described first baseband processor is connected with described first audio conversion module by described diverter switch module, described diverter switch module receives the control signal that described controller sends, connect according to control signal and described first baseband processor or second baseband processor, the audio signal transmission that described first baseband processor or second baseband processor are sent is to first audio conversion module.
5, portable terminal as claimed in claim 1 is characterized in that, described clock module is built in described first baseband processor.
As each described portable terminal of claim 1 to 4, it is characterized in that 6, described first audio conversion module is the codec of pcm audio signal for the audio signal of output.
As each described portable terminal of claim 2 to 4, it is characterized in that 7, described clock module is built in described first baseband processor or second baseband processor.
8, as each described portable terminal of claim 2 to 4, it is characterized in that described clock module is built in the described controller.
As each described portable terminal of claim 2 to 4, it is characterized in that 9, described second audio conversion module is the codec of pcm audio signal for the audio signal of output.
CN200920135925U 2009-03-25 2009-03-25 Mobile terminal Expired - Lifetime CN201388232Y (en)

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Application Number Priority Date Filing Date Title
CN200920135925U CN201388232Y (en) 2009-03-25 2009-03-25 Mobile terminal

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Application Number Priority Date Filing Date Title
CN200920135925U CN201388232Y (en) 2009-03-25 2009-03-25 Mobile terminal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047209A (en) * 2015-08-13 2015-11-11 珠海市杰理科技有限公司 Bluetooth audio playing synchronization method and apparatus and Bluetooth audio playing apparatus
US9301268B2 (en) 2013-11-08 2016-03-29 Nokia Technologies Oy Device synchronization

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9301268B2 (en) 2013-11-08 2016-03-29 Nokia Technologies Oy Device synchronization
CN105047209A (en) * 2015-08-13 2015-11-11 珠海市杰理科技有限公司 Bluetooth audio playing synchronization method and apparatus and Bluetooth audio playing apparatus
CN105047209B (en) * 2015-08-13 2017-12-19 珠海市杰理科技股份有限公司 Bluetooth audio frequency plays synchronous method, apparatus and Bluetooth audio playing device

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Granted publication date: 20100120

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