A kind of sound transmission device
Technical field
The present invention program relates to the manufacture field of a kind of sound transmission device.
Background technology
In the prior art, sound transmission device generally has microphone and transmission route to form, microphone is in order to collect sound and converts thereof into electrical signal, and transmission route is in order to transmit this electrical signal, but these technology have a common shortcoming, when the uncomfortable generation cough phenomenon of announcer, easily bring two problems, one: synchronous for cough typing program, affect program quality, two: the anxiety causing announcer self, the impact of this two problems is particularly evident when broadcasting live.
Summary of the invention
The technical problem that the present invention program to be solved is the present situation for prior art, it is provided that a kind of simple and reasonable, making and installation is convenient, a kind of sound transmission device of energy automatic shield cough.
The technical scheme that the present invention program solves the problem is: a kind of sound transmission device, comprise one and substantially transmit unit, this substantially transmits unit and is made up of microphone and transmission route, microphone is in order to collect sound and converts thereof into electrical signal, transmission route is in order to transmission of electric signals, also comprise a recognition unit, a control unit, recognition unit, in order to identify whether to cover mouth state, is covered mouth state and is referred to the state covering bar of shutting up with hand, control unit transmits unit substantially according to the recognition result control of recognition unit, it is specially when recognition unit is unidentified to when covering mouth state, control unit control basic transmission unit is in running order, when recognition unit recognize cover mouth state time, control unit control basic transmission unit interrupts working order. a kind of sound transmission device of the present invention program basic transmission unit under normality is in running order, namely microphone and transmission route are all in running order, the process that now broadcasts is transmitted synchronously, as once announcer is by coughing, announcer can subconsciously remove to cover bar of shutting up with hand, recognition unit recognizes this state and informs control unit, control unit control basic transmission unit interrupts working order, thereafter the cough occurred is not transmitted synchronously, cough is shielded effectively, until cough terminates, the hand of announcer leaves face, recognition unit is unidentified to covering mouth state, control unit control basic transmission unit resumption of service, continue normal operation.
Recognition unit in order to identify whether to cover mouth state, concerning particularly important the present invention program.
Preferably, recognition unit comprises a sticking tablet, the sticking tablet back side has glued construction with so that sticking tablet is bonded in chin place, sticking tablet front is provided with right conducting strip, and right conducting strip is connection first power supply successively, first resistance, left conducting strip, left conducting strip is arranged on hand, when hand cover shut up bar time, right conducting strip and left conducting strip contact with each other, and a line connection control unit is respectively drawn in order to control unit input voltage signal in the first resistance two ends. When covering mouth state, right conducting strip and left conducting strip contact with each other, whole circuit is switched on, first resistance two ends produce voltage, this voltage signal is transfused to control unit, otherwise when covering mouth state, whole circuit disconnects, first resistance two ends no-voltage is poor, and the voltage signal that control unit receives is zero.
In such scheme, the face of announcer has worn sticking tablet, very unsightly, so the program is only applicable to radio programmes, for being applicable to Television programme, it is necessary to be improved.
Preferably, recognition unit comprises a circuit fracture, conductive paper, being in series with the 2nd power supply between circuit fracture two ends, the 2nd resistance, circuit fracture is arranged on hand, conductive paper is bonded in lip place, when hand cover shut up bar time, conductive paper connects circuit fracture two ends just, and a line connection control unit is respectively drawn in order to control unit input voltage signal in the 2nd resistance two ends. When hand cover shut up bar time, conductive paper connects circuit fracture two ends, whole circuit is switched on, 2nd resistance two ends produce voltage, this voltage signal is transfused to control unit, otherwise when hand leaves face, whole circuit disconnects, 2nd resistance two ends no-voltage is poor, and the voltage signal that control unit receives is zero. In order to more attractive in appearance, the color of conductive paper is pink, is consistent with lip.
It is evident that recognition unit also has more technical scheme, all features with covering face action and cause all can use for reference the technical program.
Control unit transmits unit substantially according to the control of the recognition result of recognition unit, concerning particularly important scheme of the invention.
Preferably, control unit comprises one first micro-chip, the first switch; First switch-linear hybrid is in order to controls transfer circuit on-off on transmission route, and the first micro-chip input terminus linkage identification unit, the first micro-chip output terminal is by one first execution control circui first switch. First micro-chip input terminus linkage identification unit makes the first monolithic function obtain the recognition result of recognition unit, first micro-chip output terminal is by one first execution control circui first switch, and namely the first micro-chip is in the state of on-off by the first on-off control transmission route. It is in running order that transmission route transmits unit when connecting substantially, substantially transmits unit and interrupt working order when transmission route connects disconnection.
Preferably, control unit comprises one the 2nd micro-chip, the 2nd switch; 2nd switch-linear hybrid is to determine whether microphone obtains power for operation in the confession electric line of microphone, and the 2nd micro-chip input terminus linkage identification unit, the 2nd micro-chip output terminal is by one the 2nd execution control circui the 2nd switch. 2nd micro-chip input terminus linkage identification unit makes the 2nd monolithic function obtain the recognition result of recognition unit, 2nd micro-chip output terminal is by one the 2nd execution control circui the 2nd switch, and namely by the 2nd switch, the 2nd micro-chip determines whether microphone obtains power for operation. It is in running order that microphone transmits unit when obtaining power for operation substantially, substantially transmits unit and interrupt working order when microphone does not obtain power for operation.
Obviously, control unit also has more technical scheme, because the work of the basic transmission unit work that to be a kind of multistep rapid, its arbitrary link is carried out interference and can interrupt its working order, connection line such as a certain electronic component in control unit microphone is interfered, also the object interrupting basic transmission cell operation state can be reached, and for example transmission route is diversification, first transmitted by electric wire, transmitted by wireless and optical cable again, arbitrary transmission link is carried out interference by control unit can interrupt its working order, control unit can not also use micro-chip and adopt simple circuit structure. due to diversity and the maturity of control unit technology, do not repeat one by one below.
Compared with prior art, the present invention program is a kind of sound transmission device, comprise one and substantially transmit unit, this substantially transmits unit and is made up of microphone and transmission route, microphone is in order to collect sound and converts thereof into electrical signal, transmission route, in order to transmission of electric signals, also comprises a recognition unit, a control unit; Recognition unit, in order to identify whether to cover mouth state, is covered mouth state and is referred to the state covering bar of shutting up with hand; Control unit transmits unit substantially according to the recognition result control of recognition unit, it is specially when recognition unit is unidentified to when covering mouth state, control unit control basic transmission unit is in running order, when recognition unit recognize cover mouth state time, control unit control basic transmission unit interrupts working order. The present invention program has the following advantages: can automatic shield cough.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the embodiment of the present invention 1 and embodiment 2;
Fig. 2 is the one-piece construction schematic diagram of recognition unit in the embodiment of the present invention 1;
Fig. 3 is the one-piece construction schematic diagram of control unit in the embodiment of the present invention 1;
Fig. 4 is the one-piece construction schematic diagram of recognition unit in the embodiment of the present invention 2;
Fig. 5 is the one-piece construction schematic diagram of control unit in the embodiment of the present invention 2.
Embodiment
Below in conjunction with embodiment, the present invention program is described in further detail:
Embodiment 1
A kind of sound transmission device, comprises one and substantially transmits unit, and this substantially transmits unit and is made up of microphone 1 and transmission route 2, microphone 1 in order to collect sound and converts thereof into electrical signal, transmission route 2, in order to transmission of electric signals, also comprises recognition unit 3, control unit 4; Recognition unit 3, in order to identify whether to cover mouth state, is covered mouth state and is referred to the state covering bar of shutting up with hand; Control unit 4 transmits unit substantially according to the recognition result control of recognition unit 3, it is specially when recognition unit 3 is unidentified to when covering mouth state, it is in running order that control unit 4 controls substantially to transmit unit, when recognition unit 3 recognize cover mouth state time, control unit 4 control substantially transmit unit interrupt working order.
Wherein, recognition unit 3 comprises a sticking tablet D1, the sticking tablet D1 back side has glued construction with so that sticking tablet D1 is bonded in chin place, sticking tablet D1 front is provided with right conducting strip D2, right conducting strip D2 connection first power supply D3 successively, first resistance D4, left conducting strip D5, left conducting strip D5 is arranged on hand, when hand cover shut up bar time, right conducting strip D2 and left conducting strip D5 contacts with each other, and a line connection control unit 4 is respectively drawn in order to control unit 4 input voltage signal in the first resistance D4 two ends.
Wherein, control unit 4 comprises one first Chip Microcomputer A 1, first switch A2; First switch A2 is arranged on transmission route 2 in order to controls transfer circuit 2 break-make, and the first Chip Microcomputer A 1 input terminus linkage identification unit 3, first Chip Microcomputer A 1 output terminal controls the first switch A2 by one first execution circuit A3.
The present invention program is achieved in that sound transmission device basic transmission unit under normality is in running order, namely microphone 1 and transmission route 2 are all in running order, the process that now broadcasts is transmitted synchronously, as once announcer is by coughing, announcer can subconsciously remove to cover bar of shutting up with hand, recognition unit 3 recognizes this state and informs control unit 4, control unit 4 controls substantially to transmit unit and interrupts working order, it is specially controls transfer circuit 2 to disconnect, thereafter the cough occurred is not transmitted synchronously, cough is shielded effectively, until cough terminates, the hand of announcer leaves face, recognition unit 3 is unidentified to covering mouth state, control unit control basic transmission unit resumption of service, continue normal operation.
Embodiment 2
A kind of sound transmission device, comprises one and substantially transmits unit, and this substantially transmits unit and is made up of microphone 1 and transmission route 2, microphone 1 in order to collect sound and converts thereof into electrical signal, transmission route 2, in order to transmission of electric signals, also comprises recognition unit 3, control unit 4; Recognition unit 3, in order to identify whether to cover mouth state, is covered mouth state and is referred to the state covering bar of shutting up with hand; Control unit 4 transmits unit substantially according to the recognition result control of recognition unit 3, it is specially when recognition unit 3 is unidentified to when covering mouth state, it is in running order that control unit 4 controls substantially to transmit unit, when recognition unit 3 recognize cover mouth state time, control unit 4 control substantially transmit unit interrupt working order.
Wherein, recognition unit 3 comprises a circuit fracture R1, conductive paper R2, circuit fracture R1 is in series with the 2nd power supply R3 between two ends, the 2nd resistance R4, and circuit fracture R1 is arranged on hand, conductive paper R2 is bonded in lip place, when hand cover shut up bar time, conductive paper R2 connects circuit fracture R1 two ends just, and a line connection control unit 4 is respectively drawn in order to control unit 4 input voltage signal in the 2nd resistance R4 two ends.
Wherein, control unit 4 comprises one the 2nd micro-chip B1, the 2nd switch B2; 2nd switch B2 is arranged on the confession electric line B3 of microphone 1 to determine whether microphone 1 obtains power for operation, and the 2nd micro-chip B1 input terminus linkage identification unit the 3, two micro-chip B1 output terminal controls the 2nd switch B2 by one the 2nd execution circuit B4.
The present invention program is achieved in that sound transmission device basic transmission unit under normality is in running order, namely microphone 1 and transmission route 2 are all in running order, the process that now broadcasts is transmitted synchronously, as once announcer is by coughing, announcer can subconsciously remove to cover bar of shutting up with hand, recognition unit 3 recognizes this state and informs control unit 4, control unit 4 controls substantially to transmit unit and interrupts working order, it is specially microphone 1 to lose the job electric power, thereafter the cough occurred is not transmitted synchronously, cough is shielded effectively, until cough terminates, the hand of announcer leaves face, recognition unit 3 is unidentified to covering mouth state, control unit control basic transmission unit resumption of service, continue normal operation.
Although the present invention program is described by reference to preferred embodiment, but, those skilled in the art it will be appreciated that in the scope of claim book, can do the various changes in form and details.