CN103607680A - An audio frequency apparatus - Google Patents
An audio frequency apparatus Download PDFInfo
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- CN103607680A CN103607680A CN201310573531.5A CN201310573531A CN103607680A CN 103607680 A CN103607680 A CN 103607680A CN 201310573531 A CN201310573531 A CN 201310573531A CN 103607680 A CN103607680 A CN 103607680A
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Abstract
The application discloses an audio frequency apparatus. The audio frequency apparatus comprises a first audio frequency interface, a signal monitoring module, an MCU module, a switch module and a power supply module. According to the application, when the first audio frequency interface is connected with an audio frequency interface of a terminal device, a level of a preset trigger source wire will change. The level of the preset trigger source wire is monitored through the signal monitoring module. A wake-up signal is sent to the MCU module according to the monitored level in order that the audio frequency apparatus can automatically wake up. When the first audio frequency interface and the audio frequency interface of the terminal device are connected, the level of the preset trigger source wire will change. The level of the preset trigger source wire is monitored through the signal monitoring module. According the monitored level, a switch-on instruction of switching on connection between the power supply module and the MCU module and the simulation processing module is sent to the switch module according to the monitored level. After the power supply module provides electric energy for the MCU module, the MCU module enters a power on state from a shutdown state, so that the audio frequency apparatus can be automatically switched on.
Description
Technical field
The application relates to data security field, is specifically related to a kind of audio devices.
Background technology
Along with the development of the communication technology, the fail safe of network service is more and more important, and various information safety devices, have appearred in the safety for protecting network communication, as USB Key(intelligent code key, also can be called U shield) etc.And in order to meet various communication needs, increasing U shield starts to support voice communication function.U shield is when realizing voice communication, and a kind of method is to set up audio interface in U shield, by terminal equipments such as audio interface and mobile phones, carries out voice communication; A kind of method is that U shield carries out voice communication by terminal equipments such as audio switching device and mobile phones.And no matter have additional the U shield of audio interface or audio switching device (similar device that has additional the U shield of audio interface and audio switching device etc. and can realize voice communication can be referred to as to audio devices for convenience of explanation), generally all need to arrange power module, the modules while being voice communication by power module in audio devices is powered.
In order to reduce unnecessary electric quantity consumption, extend the stand-by time of audio devices.When not using audio devices, can audio devices be closed by the physical switch arranging on audio devices, or make audio devices enter dormancy.When needs are used audio devices, can audio devices be opened by the physical switch arranging on audio devices, or wake audio devices up.
Yet prior art needs user's operating physical switch could realize dormant and awakening or the shutdown-start of audio devices, implementation method is complicated, and usually can be because user forgets operating physical switch, and cannot realize the object that reduces unnecessary electric quantity consumption.
Summary of the invention
The application's technical problem to be solved is to provide a kind of audio devices, after the first audio interface is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module monitors, according to the level of monitoring, to MCU module, send wake-up signal, audio devices can be waken up automatically.
In order to address the above problem, the application discloses a kind of audio devices, comprise the first audio interface, described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio devices also comprises: signal monitoring module, MCU module, switch module and power module;
Wherein, described signal monitoring module, during for default the first level, sends wake-up signal to described MCU module for the level when monitoring default trigger source line; Wherein, default trigger source line is described first Mike's line, described the first L channel line or described the first R channel line; Described signal monitoring module is also connected with described the first ground wire;
Described MCU module, for entering wake-up states according to described wake-up signal from resting state, to described switch module send connect between described power module and simulation process module be connected go code; Wherein, described simulation process module is carried out after simulation process for the downstream tones analog signal that terminal equipment is sent by described the first L channel line and described the first R channel line, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment;
Described switch module goes code described in receiving, and connects being connected between described power module and described simulation process module;
Described power module, is used to described MCU module that electric energy is provided, and after described switch module is connected being connected between described power module and described simulation process module, for described simulation process module provides electric energy.
Further, described device also comprises: signal maintains module;
Correspondingly, described MCU module, also at it from resting state enters wake-up states, to described signal, maintain module and send and to maintain signal and produce instruction;
Described signal maintains module, described in receiving, maintains signal generation instruction, produces and maintains signal, and the described signal that maintains is outputed to default trigger source line and the junction of described signal monitoring module; Wherein, the level that maintains signal described in equates with the first default level.
Further, described MCU module, also for when judge its stop with described simulation process module communication after interval greater than default time interval during threshold value, to described signal, maintaining module sends and to maintain signal and stop producing instruction, when described signal maintains module, stop producing and maintain after signal, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to described switch module, send the open command being connected disconnecting between described power module and described simulation process module, after described switch module disconnects being connected between described power module and described simulation process module, enter resting state,
Correspondingly, described signal maintains module, also for maintaining signal described in receiving, stops producing instruction, described in stopping producing, maintains signal;
Correspondingly, described switch module, also for receiving described open command, disconnects being connected between described power module and described simulation process module.
Further, described device also comprises: handover module;
Described handover module, for by the order of described the first ground wire and described first Mike's line, is converted to default order;
Correspondingly, described signal monitoring module, is connected with described the first ground wire through described handover module conversion order, when default trigger source line is described first Mike's line, is also connected with the described first Mike's line through described handover module conversion order;
Correspondingly, described power module, is also used to described handover module that electric energy is provided.
The application's technical problem to be solved is to provide a kind of audio devices, after the first audio interface is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module monitors, according to the level of monitoring to switch module switch on power between module and MCU module and simulation process module be connected go code, at power module, provide after electric energy for MCU module, MCU module enters open state from off-mode, and audio devices can be started automatically.
In order to address the above problem, disclosed herein as well is a kind of audio switching device, comprise the first audio interface, described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio switching device also comprises: signal monitoring module, MCU module, switch module and power module;
Wherein, described signal monitoring module, for the level when monitoring default trigger source line during for default the first level, to described switch module send between the described power module of connection and described MCU module, described simulation process module be connected go code; Wherein, default trigger source line is described first Mike's line, described the first L channel line or described the first R channel line; Described simulation process module is carried out after simulation process for the downstream tones analog signal that terminal equipment is sent by described the first L channel line and described the first R channel line, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment; Described signal monitoring module is also connected with described the first ground wire;
Described switch module goes code described in receiving, and connects being connected between being connected between described power module and described MCU module, described power module and described simulation process module;
Described power module, for connecting at described switch module after being connected between being connected between described power module and described MCU module, described power module and described simulation process module, for described MCU module and described simulation process module provide electric energy;
Described MCU module, at described power module for it provides after electric energy, from off-mode, enter open state.
Further, described device also comprises: signal maintains module;
Correspondingly, described MCU module, also at it from off-mode enters open state, to described signal, maintain module and send and to maintain signal and produce instruction;
Described signal maintains module, described in receiving, maintains signal generation instruction, produces and maintains signal, and the described signal that maintains is outputed to default trigger source line and the junction of signal monitoring module; Wherein, the level that maintains signal described in equates with the first default level.
Further, described MCU module, also for when judge its stop with described simulation process module communication after interval greater than default time interval during threshold value, to described signal, maintaining module sends and to maintain signal and stop producing instruction, when maintaining module, described signal stops maintaining after signal described in generation, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to described switch module, send and disconnect described power module and described MCU module, the open command of the connection between described simulation process module, when described switch module disconnects being connected between described power module and described MCU module, after being connected between described power module and described simulation process module, enter off-mode,
Correspondingly, described signal maintains module, also for maintaining signal described in receiving, stops producing instruction, described in stopping producing, maintains signal;
Correspondingly, described switch module, also for receiving described open command, disconnects being connected between being connected between described power module and described MCU module, described power module and described simulation process module.
Further, described device also comprises: handover module;
Described handover module, for by the order of described the first ground wire and described first Mike's line, is converted to default order;
Correspondingly, described signal monitoring module, is connected with described the first ground wire through described handover module conversion order, when default trigger source line is described first Mike's line, is also connected with the described first Mike's line through described handover module conversion order;
Correspondingly, described power module, is also used to described handover module that electric energy is provided.
The application's technical problem to be solved is to provide a kind of audio devices, after the first audio interface is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module monitors, according to the level of monitoring to switch module switch on power between module and MCU module and simulation process module be connected go code, at power module, provide after electric energy for MCU module, MCU module enters open state from off-mode, and audio devices can be started automatically.
The application's technical problem to be solved is to provide a kind of audio devices, when the first audio interface is connected with the audio interface of terminal equipment, when MCU module receives the electric energy that terminal equipment provides by the first R channel line, from off-mode, enter open state, audio devices can be started automatically.
In order to address the above problem, the application discloses a kind of audio devices, comprise the first audio interface, described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio switching device also comprises: MCU module and simulation process module;
Described MCU module, for being connected with the audio interface of terminal equipment when described the first audio interface, when it receives the electric energy that described terminal equipment provides by described the first R channel line, enters open state from off-mode;
Described simulation process module, for being connected with the audio interface of described terminal equipment when described the first audio interface, when it receives the electric energy that described terminal equipment provides by described the first R channel line, the downstream tones analog signal that described terminal equipment is sent by described the first L channel line is carried out after simulation process, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment.
Preferably, described MCU module, also for when judge its stop with described simulation process module communication after after default time interval threshold value, from open state, enter resting state.
Preferably, described MCU module, also for when judge its with described simulation process module between communicate by letter after, from resting state, enter wake-up states.
Preferably, described MCU module, also, with after the audio interface of described the first audio interface and described terminal equipment disconnects, enters off-mode;
Described simulation process module, after also disconnecting for the audio interface when described the first audio interface and described terminal equipment, shut-down operation.
Compared with prior art, the application can obtain and comprise following technique effect:
After the first audio interface is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module monitors, according to the level of monitoring, to MCU module, send wake-up signal, audio devices can be waken up automatically.And by signal, maintain module generation and maintain signal, can guarantee when audio devices and terminal equipment proper communication, can not make the level of the default trigger source line of monitoring module monitors change, guarantee communication normally.When MCU module judge its stop with simulation process module communication after the time interval, be greater than after default time interval threshold value, notification signal maintains module and stops producing and maintain signal, and obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module, send the open command being connected between deenergization module and simulation process module, after being connected between switch module deenergization module and simulation process module, enter resting state, after the audio interface of the first audio interface and terminal equipment is disconnected, can deenergization module with simulation process module between be connected, and make MCU module enter resting state.
After the first audio interface is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module monitors, according to the level of monitoring to switch module send between switch on power module and MCU module and simulation process module be connected go code, at power module, provide after electric energy for MCU module, MCU module enters open state from off-mode, and audio devices can be started automatically.And by signal, maintain module generation and maintain signal, can guarantee when audio devices and terminal equipment proper communication, can not make the level of the default trigger source line of monitoring module monitors change, guarantee communication normally.When MCU module judge its stop with simulation process module communication after the time interval, be greater than after default time interval threshold value, notification signal maintains module and stops producing and maintain signal, and obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module, send the open command being connected between deenergization module and MCU module and simulation process module, after being connected between switch module deenergization module and MCU module and simulation process module, MCU module enters shutdown state, after the audio interface of the first audio interface and terminal equipment is disconnected, can audio devices can automatic shutdown.
When the first audio interface is connected with the audio interface of terminal equipment, when MCU module receives the electric energy that terminal equipment provides by the first R channel line, from off-mode, enter open state, audio devices can be started automatically.When MCU module judge its stop with simulation process module communication after after default time interval threshold value, from open state, enter resting state, can saves energy.
Certainly, arbitrary product of enforcement the application must not necessarily need to reach above-described all technique effects simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the first audio device structure schematic diagram of the embodiment of the present application;
Fig. 2 is the second audio device structure schematic diagram of the embodiment of the present application;
Fig. 3 is the 3rd audio device structure schematic diagram of the embodiment of the present application;
Fig. 4 is the 4th audio device structure schematic diagram of the embodiment of the present application;
Fig. 5 is the 5th audio device structure schematic diagram of the embodiment of the present application;
Fig. 6 is the 6th audio device structure schematic diagram of the embodiment of the present application;
Fig. 7 is the subtonic frequency apparatus structure schematic diagram of the embodiment of the present application.
Embodiment
To coordinate drawings and Examples to describe the application's execution mode in detail below, by this application's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
embodiment describes
With an embodiment, the application's realization is described further below.As shown in Figure 1, a kind of audio device structure schematic diagram for the embodiment of the present application, this device comprises: the first audio interface 101, the first audio interface 101 comprises the first ground wire 101a, first Mike's line 101b, the first L channel line 101c and the first R channel line 101d, the first ground wire 101a, first Mike's line 101b, the first L channel line 101c and the first R channel line 101d respectively with the audio interface of terminal equipment in ground wire, Mike's line, L channel line is connected with R channel line, this audio devices also comprises: signal monitoring module 102, MCU(Micro Control Unit, microcontroller module) module 103, switch module 104 and power module 105.
Wherein, signal monitoring module 102, is connected with MCU module 103 with the first ground wire 101a, default trigger source line respectively, for the level when monitoring default trigger source line, during for default the first level, to MCU module 103, sends wake-up signals; Wherein, default trigger source line is first Mike's line 101b, the first L channel line 101c or the first R channel line 101d.
Particularly, referring to Fig. 1, the trigger source line of presetting of take in the present embodiment is specifically described as first Mike's line 101b as example.
Wherein, the first default level is: when the first audio interface 101 is connected with the audio interface of terminal equipment, and the level of default trigger source line.Which root line is the value of the first default level can be specially according to default trigger source line arranges, as worked as default trigger source line, be first Mike's line 101b, when the first audio interface 101 is connected with the audio interface of terminal equipment, the level of first Mike's line 101b is high voltage, and the high voltage that the first default level is first Mike's line 101b can be set.
Particularly, signal monitoring module 102 can realize by analog switch.Analog switch is mainly used for the switching of signal, circuit turn-on/cut-off, or the On/Off of power supply.Can use the On/Off of signal controlling analog switch." simulation " is mainly for mechanical contact-type.There is at present special analog switch chip; Also can build the function that a circuit is realized analog switch with metal-oxide-semiconductor, triode etc.; The I/O of chip also can realize the function of analog switch, and I/O has certain current driving ability, can directly give a circuit module power supply with IO, and this situation I/O can realize unlatching and the shutoff of power supply.
Particularly, the first audio interface 101 can be the audio jack of standard, can be also the audio jack of standard.
Particularly, simulation process comprises filtering, amplification, the processing such as relatively, and correspondingly, simulation process module can comprise filter circuit, amplifying circuit, comparison circuit etc.
Preferably, referring to Fig. 2, this device also comprises: signal maintains module 106.
Correspondingly, MCU module 103, also maintains module 106 with signal and is connected, also at it from resting state enters wake-up states, to signal, maintain module 106 and send and maintain signal and produce instruction.
Signal maintains module 106, be connected with signal monitoring module 102 with MCU module 103, default trigger source line respectively, for receiving the signal that maintains of MCU module 103 transmissions, produce instruction, generation maintains signal, and outputs to default trigger source line and the junction of signal monitoring module 102 by maintaining signal; Wherein, the level that maintains signal equates with the first default level.
Particularly, in MCU module 103 and simulation process module are carried out up, downlink communication process, the level of the signal of the trigger source line that process is default can change, in order to guarantee normal use, can the level of the junction of default trigger source line and signal monitoring module 102 be maintained to the first default level by maintaining signal, make up, descending communication signal can not trigger MCU module 103 dormant and awakenings.
Preferably, MCU module 103, also for judge its stop with simulation process module communication after the time interval, whether be greater than default time interval threshold value, if be greater than, to signal, maintaining module 106 sends and maintains signal and stop producing instruction, when signal maintains module 106, stop producing and maintain after signal, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module 104, send the open command being connected between deenergization modules 105 and simulation process module, after being connected between switch module 104 deenergization modules 105 and simulation process module, enter resting state.
Correspondingly, signal maintains module 106, also for reception, maintains signal and stops producing instruction, stops producing maintaining signal.
Wherein, default second electrical level is after the audio interface of the first audio interface 101 and terminal equipment disconnects, the level of default trigger source line.
Particularly, MCU module 103 stop with simulation process module communication after the time interval, between MCU module 103 and simulation process module, there is no the time interval after uplink and downlink signals.Utilize this time interval, discharge and maintain signal, obtain the level of default trigger source line, judge whether the first audio interface 101 disconnects with the audio interface of terminal equipment.
Preferably, referring to Fig. 3, this device also comprises: handover module 107;
Correspondingly, signal monitoring module 102, is connected with the first ground wire 101a through handover module 107 conversion orders, when default trigger source line is first Mike's line 101b, is also connected with first Mike's line 101b through handover module 107 conversion orders.
Correspondingly, power module 105, is also connected with handover module 107, is used to handover module 107 that electric energy is provided.
Particularly, the audio interface of terminal equipment has 4 lines, and the order of these 4 lines mainly contains two kinds of standards at present, and a kind of line order is: ground wire, Mike's line, R channel line, L channel line; Another kind is: Mike's line, ground wire, R channel line, L channel line.Owing to cannot predicting the audio interface of terminal equipment, concrete which kind of line order what adopt be, for the ease of subsequent treatment, use, can line order be converted to default line order by handover module 107, if default line order is the first, no matter the audio interface of terminal equipment actual what adopt is the first or the second, all can be converted to the first.
It should be noted that, each Module Division is divided from logic function, on actual physical circuit, may mix according to the needs of design, is dispersed in different places, or is solidificated in chip.
The audio devices of this example, after the first audio interface 101 is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module 102 monitorings, according to the level of monitoring, to MCU module 103, send wake-up signal, audio devices can be waken up automatically.And by signal, maintain module 106 generations and maintain signal, can guarantee when audio devices and terminal equipment proper communication, can not make the level of the default trigger source line of monitoring module monitors change, guarantee communication normally.When MCU module 103 judgement its stop with simulation process module communication after the time interval, be greater than after default time interval threshold value, notification signal maintains module 106 and stops producing and maintain signal, and obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module 104, send the open command being connected between deenergization modules 105 and simulation process module, after being connected between switch module 104 deenergization modules 105 and simulation process module, enter resting state, after the audio interface of the first audio interface 101 and terminal equipment is disconnected, can deenergization module 105 with simulation process module between be connected, and make MCU module 103 enter resting state.
With another embodiment, the application's realization is described further below.As shown in Figure 4, a kind of audio device structure schematic diagram for the embodiment of the present application, this device comprises: the first audio interface 201, the first audio interface 201 comprises the first ground wire 201a, first Mike's line 201b, the first L channel line 201c and the first R channel line 201d, the first ground wire 201a, first Mike's line 201b, the first L channel line 201c and the first R channel line 201d respectively with the audio interface of terminal equipment in ground wire, Mike's line, L channel line is connected with R channel line, this audio switching device also comprises: signal monitoring module 202, MCU module 203, switch module 204 and power module 205.
Wherein, signal monitoring module 202, be connected with switch module 204 with the first ground wire 201a, default trigger source line respectively, for the level when monitoring default trigger source line during for default the first level, to switch module 204 transmissions switch on power between module 205 and MCU module 203, simulation process module be connected go code; Wherein, default trigger source line is first Mike's line 201b, the first L channel line 201c or the first R channel line 201d; Simulation process module is for being undertaken after simulation process by the first L channel line 201c of the first audio interface 201 and the downstream tones analog signal of the first R channel line 201d transmission terminal equipment, send to MCU module 203, and the upstream tones analog signal of MCU module 203 transmissions is carried out after simulation process, by first Mike's line 201b in the first audio interface 201, send to terminal equipment.
Particularly, referring to Fig. 4, the trigger source line of presetting of take in the present embodiment is specifically described as first Mike's line 201b as example.
Wherein, the first default level is: when the first audio interface 201 is connected with the audio interface of terminal equipment, and the level of default trigger source line.Which root line is the value of the first default level can be specially according to default trigger source line arranges, as worked as default trigger source line, be first Mike's line 201b, when the first audio interface 201 is connected with the audio interface of terminal equipment, the level of first Mike's line 201b is high voltage, and the high voltage that the first default level is first Mike's line 201b can be set.
Particularly, signal monitoring module 202 can realize by analog switch.Analog switch is mainly used for the switching of signal, circuit turn-on/cut-off, or the On/Off of power supply.Can use the On/Off of signal controlling analog switch." simulation " is mainly for mechanical contact-type.There is at present special analog switch chip; Also can build the function that a circuit is realized analog switch with metal-oxide-semiconductor, triode etc.; The I/O of chip also can realize the function of analog switch, and I/O has certain current driving ability, can directly give a circuit module power supply with IO, and this situation I/O can realize unlatching and the shutoff of power supply.
Particularly, the first audio interface 201 can be the audio jack of standard, can be also the audio jack of standard.
Particularly, simulation process comprises filtering, amplification, the processing such as relatively, and correspondingly, simulation process module can comprise filter circuit, amplifying circuit, comparison circuit etc.
Preferably, referring to Fig. 5, this device also comprises: signal maintains module 206.
Correspondingly, MCU module 203, also maintains module 206 with signal and is connected, also at it from off-mode enters open state, to signal, maintain module 206 and send and maintain signal and produce instruction.
Signal maintains module 206, be connected with signal monitoring module 202 with MCU module 203, default trigger source line respectively, for receiving the signal that maintains of MCU module 203 transmissions, produce instruction, generation maintains signal, and outputs to default trigger source line and the junction of signal monitoring module 202 by maintaining signal; Wherein, the level that maintains signal equates with the first default level.
Particularly, in MCU module 203 and simulation process module are carried out up, downlink communication process, the level of the signal of the trigger source line that process is default can change, in order to guarantee normal use, can the level of the junction of default trigger source line and signal monitoring module 202 be maintained to the first default level by maintaining signal, make up, descending communication signal can not trigger the 203 starts-shutdown of MCU module.
Preferably, MCU module 203, also for judge its stop with simulation process module communication after the time interval, whether be greater than default time interval threshold value, if be greater than, to signal, maintaining module 206 sends and maintains signal and stop producing instruction, when signal maintains module 206, stop producing and maintain after signal, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module 204, send the open command being connected between deenergization modules 205 and MCU module 203 and simulation process module, after being connected between switch module 204 deenergization modules 205 and MCU module 203 and simulation process module, enter off-mode.
Correspondingly, signal maintains module 206, also for reception, maintains signal and stops producing instruction, stops producing maintaining signal.
Correspondingly, switch module 204, also for receiving open command, being connected between being connected between deenergization module 205 and MCU module 203, power module 205 and simulation process module.
Wherein, default second electrical level is after the audio interface of the first audio interface 201 and terminal equipment disconnects, the level of default trigger source line.
Particularly, MCU module 203 stop with simulation process module communication after the time interval, between MCU module 203 and simulation process module, there is no the time interval after uplink and downlink signals.Utilize this time interval, discharge and maintain signal, obtain the level of default trigger source line, judge whether the first audio interface 201 disconnects with the audio interface of terminal equipment.
Preferably, referring to Fig. 6, this device also comprises: handover module 207.
Correspondingly, signal monitoring module 202, is connected with the first ground wire 201a through handover module 207 conversion orders, when default trigger source line is first Mike's line 201b, is also connected with first Mike's line 201b through handover module 207 conversion orders.
Correspondingly, power module 205, is also connected with handover module 207, is used to handover module 207 that electric energy is provided.
Particularly, the audio interface of terminal equipment has 4 lines, and the order of these 4 lines mainly contains two kinds of standards at present, and a kind of line order is: ground wire, Mike's line, R channel line, L channel line; Another kind is: Mike's line, ground wire, R channel line, L channel line.Owing to cannot predicting the audio interface of terminal equipment, concrete which kind of line order what adopt be, for the ease of subsequent treatment, use, can line order be converted to default line order by handover module 207, if default line order is the first, no matter the audio interface of terminal equipment actual what adopt is the first or the second, all can be converted to the first.
It should be noted that, each Module Division is divided from logic function, on actual physical circuit, may mix according to the needs of design, is dispersed in different places, or is solidificated in chip.
The audio devices of this example, after the first audio interface 201 is connected with the audio interface of terminal equipment, the level of default trigger source line can change, by the level of the default trigger source line of signal monitoring module 202 monitorings, according to the level of monitoring to switch module 204 switch on power between module 205 and MCU module 203 and simulation process module be connected go code, at power module 205, provide after electric energy for MCU module 203, MCU module 203 enters open state from off-mode, and audio devices can be started automatically.And by signal, maintain module 206 generations and maintain signal, can guarantee when audio devices and terminal equipment proper communication, can not make the level of the default trigger source line of monitoring module monitors change, guarantee communication normally.When MCU module 203 judgement its stop with simulation process module communication after the time interval, be greater than after default time interval threshold value, notification signal maintains module 206 and stops producing and maintain signal, and obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to switch module 204, send the open command being connected between deenergization modules 205 and MCU module 203 and simulation process module, after being connected between switch module 204 deenergization modules 205 and MCU module 203 and simulation process module, MCU module 203 enters shutdown state, after the audio interface of the first audio interface 201 and terminal equipment is disconnected, can audio devices can automatic shutdown.
With another embodiment, the application's realization is described further below.As shown in Figure 7, a kind of audio device structure schematic diagram for the embodiment of the present application, comprise the first audio interface 301, the first audio interface 301 comprises the first ground wire 301a, first Mike's line 301b, the first L channel line 301c and the first R channel line 301d, and further audio switching device also comprises: MCU module 302 and simulation process module 303;
Preferably, MCU module 302, also for when judge its after stopping communicating by letter with simulation process module 303 after default time interval threshold value, from open state, enter resting state.
Preferably, MCU module 302, also for when judge its with simulation process module 303 between communicate by letter after, from resting state, enter wake-up states.
Preferably, MCU module 302, after also disconnecting by the audio interface when the first audio interface 301 and terminal equipment, enters off-mode;
Above-mentioned explanation has illustrated and has described some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the spirit and scope that the change that those skilled in the art carry out and variation do not depart from the application, all should be in the protection range of the application's claims.
Claims (10)
1. an audio devices, comprise the first audio interface, described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio devices also comprises: signal monitoring module, MCU module, switch module and power module;
Wherein, described signal monitoring module, during for default the first level, sends wake-up signal to described MCU module for the level when monitoring default trigger source line; Wherein, default trigger source line is described first Mike's line, described the first L channel line or described the first R channel line; Described signal monitoring module is also connected with described the first ground wire;
Described MCU module, for entering wake-up states according to described wake-up signal from resting state, to described switch module send connect between described power module and simulation process module be connected go code; Wherein, described simulation process module is carried out after simulation process for the downstream tones analog signal that terminal equipment is sent by described the first L channel line and described the first R channel line, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment;
Described switch module goes code described in receiving, and connects being connected between described power module and described simulation process module;
Described power module, is used to described MCU module that electric energy is provided, and after described switch module is connected being connected between described power module and described simulation process module, for described simulation process module provides electric energy.
2. device as claimed in claim 1, is characterized in that, described device also comprises: signal maintains module;
Correspondingly, described MCU module, also at it from resting state enters wake-up states, to described signal, maintain module and send and to maintain signal and produce instruction;
Described signal maintains module, described in receiving, maintains signal generation instruction, produces and maintains signal, and the described signal that maintains is outputed to default trigger source line and the junction of described signal monitoring module; Wherein, the level that maintains signal described in equates with the first default level.
3. device as claimed in claim 2, is characterized in that,
Described MCU module, also for when judge its stop with described simulation process module communication after interval greater than default time interval during threshold value, to described signal, maintaining module sends and to maintain signal and stop producing instruction, when described signal maintains module, stop producing and maintain after signal, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to described switch module, send the open command being connected disconnecting between described power module and described simulation process module, after described switch module disconnects being connected between described power module and described simulation process module, enter resting state,
Correspondingly, described signal maintains module, also for maintaining signal described in receiving, stops producing instruction, described in stopping producing, maintains signal;
Correspondingly, described switch module, also for receiving described open command, disconnects being connected between described power module and described simulation process module.
4. the device as described in claim as arbitrary in claim 1-3, is characterized in that, described device also comprises: handover module;
Described handover module, for by the order of described the first ground wire and described first Mike's line, is converted to default order;
Correspondingly, described signal monitoring module, is connected with described the first ground wire through described handover module conversion order, when default trigger source line is described first Mike's line, is also connected with the described first Mike's line through described handover module conversion order;
Correspondingly, described power module, is also used to described handover module that electric energy is provided.
5. an audio devices, comprise the first audio interface, described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio switching device also comprises: signal monitoring module, MCU module, switch module and power module;
Wherein, described signal monitoring module, for the level when monitoring default trigger source line during for default the first level, to described switch module send between the described power module of connection and described MCU module, described simulation process module be connected go code; Wherein, default trigger source line is described first Mike's line, described the first L channel line or described the first R channel line; Described simulation process module is carried out after simulation process for the downstream tones analog signal that terminal equipment is sent by described the first L channel line and described the first R channel line, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment; Described signal monitoring module is also connected with described the first ground wire;
Described switch module goes code described in receiving, and connects being connected between being connected between described power module and described MCU module, described power module and described simulation process module;
Described power module, for connecting at described switch module after being connected between being connected between described power module and described MCU module, described power module and described simulation process module, for described MCU module and described simulation process module provide electric energy;
Described MCU module, at described power module for it provides after electric energy, from off-mode, enter open state.
6. device as claimed in claim 5, is characterized in that, described device also comprises: signal maintains module;
Correspondingly, described MCU module, also at it from off-mode enters open state, to described signal, maintain module and send and to maintain signal and produce instruction;
Described signal maintains module, described in receiving, maintains signal generation instruction, produces and maintains signal, and the described signal that maintains is outputed to default trigger source line and the junction of signal monitoring module; Wherein, the level that maintains signal described in equates with the first default level.
7. device as claimed in claim 6, is characterized in that,
Described MCU module, also for when judge its stop with described simulation process module communication after interval greater than default time interval during threshold value, to described signal, maintaining module sends and to maintain signal and stop producing instruction, when maintaining module, described signal stops maintaining after signal described in generation, obtain the level of default trigger source line, when the level of default trigger source line is default second electrical level, to described switch module, send and disconnect described power module and described MCU module, the open command of the connection between described simulation process module, when described switch module disconnects being connected between described power module and described MCU module, after being connected between described power module and described simulation process module, enter off-mode,
Correspondingly, described signal maintains module, also for maintaining signal described in receiving, stops producing instruction, described in stopping producing, maintains signal;
Correspondingly, described switch module, also for receiving described open command, disconnects being connected between being connected between described power module and described MCU module, described power module and described simulation process module.
8. the device as described in claim as arbitrary in claim 5-7, is characterized in that, described device also comprises: handover module;
Described handover module, for by the order of described the first ground wire and described first Mike's line, is converted to default order;
Correspondingly, described signal monitoring module, is connected with described the first ground wire through described handover module conversion order, when default trigger source line is described first Mike's line, is also connected with the described first Mike's line through described handover module conversion order;
Correspondingly, described power module, is also used to described handover module that electric energy is provided.
9. an audio devices, comprises the first audio interface, and described the first audio interface comprises the first ground wire, first Mike's line, the first L channel line and the first R channel line, it is characterized in that, described audio switching device also comprises: MCU module and simulation process module;
Described MCU module, for being connected with the audio interface of terminal equipment when described the first audio interface, when it receives the electric energy that described terminal equipment provides by described the first R channel line, enters open state from off-mode;
Described simulation process module, for being connected with the audio interface of described terminal equipment when described the first audio interface, when it receives the electric energy that described terminal equipment provides by described the first R channel line, the downstream tones analog signal that described terminal equipment is sent by described the first L channel line is carried out after simulation process, send to described MCU module, and the upstream tones analog signal of described MCU module transmission is carried out after simulation process, by described first Mike's line, send to described terminal equipment.
10. device as claimed in claim 9, is characterized in that, described MCU module, also for when judge its stop with described simulation process module communication after after default time interval threshold value, from open state, enter resting state.
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