CN107342829A - Control device and control method - Google Patents
Control device and control method Download PDFInfo
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- CN107342829A CN107342829A CN201710674707.4A CN201710674707A CN107342829A CN 107342829 A CN107342829 A CN 107342829A CN 201710674707 A CN201710674707 A CN 201710674707A CN 107342829 A CN107342829 A CN 107342829A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a kind of control device and control method, the wherein control device includes：Processing unit；Audio selecting circuit, the first input end of audio selecting circuit electrically connect with the first port of processing unit；Power amplifier, the first input end of power amplifier electrically connect with the output end of audio selecting circuit；Multiple communicating circuits, the first port of communicating circuit electrically connect with the second port of processing unit, and the first signal port of multiple communicating circuits electrically connects correspondingly with the secondary signal port of multiple audio signal reception decoding decks of broadcast terminal；Power supply circuit, the 3rd port with processing unit, the second input of audio selecting circuit and the second input of power amplifier electrically connect the output end of power supply circuit respectively, in the case where reducing the production cost of broadcast terminal broadcast terminal can be made to support a variety of audio transmission patterns.
Description
Technical field
The present invention relates to broadcast technology field, more particularly to a kind of control device and control method.
Background technology
Audio signal has a variety of transmission modes as a kind of streaming media signal, generally when comprising two or more
When audio transmission pattern occurs in a broadcast terminal product, it is necessary to for each biography during product design and development
Defeated Model Design circuit, write program；And when application scenarios, customer demand change, above-mentioned transmission mode may need
Reconfigure, to produce the broadcast terminal product of neomorph.It is to meet the new market demand at present, it is common practice to, equally
Technical scheme, repeatedly change circuit layout, so as to cause the substantial amounts of duplication of labour.
In summary, at present for broadcast terminal is supported a variety of audio transmission patterns, it is necessary to expend substantial amounts of labour with
Time, cause the production cost of broadcast terminal high.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of control device and control method, to solve to make broadcast terminal branch
A variety of audio transmission patterns are held, it is necessary to expend substantial amounts of labour and time, the problem of causing the production cost of broadcast terminal high.
In order to achieve the above object, the embodiment provides a kind of control device, applied to broadcast terminal, the control
Device processed includes：
Processing unit；
Audio selecting circuit, the first input end of audio selecting circuit electrically connect with the first port of processing unit；
Power amplifier, the first input end of power amplifier electrically connect with the output end of audio selecting circuit；
Multiple communicating circuits, the first port of communicating circuit electrically connect with the second port of processing unit, and multiple communicating circuits
The first signal port and the secondary signal port of multiple audio signal reception decoding decks of broadcast terminal be electrically connected correspondingly
Connect；
Power supply circuit, the 3rd port with processing unit, the second of audio selecting circuit input the output end of power supply circuit respectively
The electrical connection of second input of end and power amplifier.
Wherein, the first signal port includes：First audio signal interface, the first data communication interface, first detection signal
Interface, and the first communication signal interface；Secondary signal port includes：The second audio letter corresponding with the first audio signal interface
Number interface, the second data communication interface corresponding with the first data communication interface, corresponding with first detection signal interface second
Detection signal interface, and the second communication signal interface corresponding with the first communication signal interface.
Wherein, audio selecting circuit is MUX.
Wherein, power supply circuit includes internal electric source, and the input of internal electric source electrically connects with external power source, internal electric source
Output end respectively the 3rd port with processing unit, the second input of audio selecting circuit and power amplifier second input
End electrical connection.
Embodiments of the invention additionally provide a kind of control method, applied to above-mentioned control device, the control method bag
Include：
Detect whether that audio signal reception decoding deck inserts control device；
If there is audio signal reception decoding deck to insert control device, the decoding deck type letter of audio signal reception decoding deck is obtained
Breath；
According to the decoding plate type information of the audio signal reception decoding deck got, send and wrap to audio signal reception decoding deck
The first instruction message containing configuration parameter, audio signal reception decoding deck is set to carry out parameter configuration according to configuration parameter.
Wherein, the decoding plate type information of the audio signal reception decoding deck got in basis, to audio signal reception
After decoding deck sends the step of the first instruction message comprising configuration parameter, control method also includes：
What reception audio signal reception decoding deck was sent is used to indicate that audio signal reception decoding deck is in normal operating conditions
Heartbeat message；
Heartbeat response message is returned to audio signal reception decoding deck.
Wherein, the decoding plate type information of the audio signal reception decoding deck got in basis, to audio signal reception
After decoding deck sends the step of the first instruction message comprising configuration parameter, control method also includes：
The broadcast message that audio signal reception decoding deck is sent is received, broadcast message includes the decoding of audio signal reception decoding deck
The broadcasting precedence information and broadcasted content of plate type information, audio signal reception decoding deck；
According to the decoding plate type information of audio signal reception decoding deck with playing precedence information, broadcasted content is played.
Wherein, the step of audio signal reception decoding deck inserts control device has been detected whether, including：
Whether the level for detecting the first signal port of each communicating circuit changes；
If the first signal port for thering is level to change, it is determined that there is audio signal reception decoding deck to insert control device.
Wherein, the step of obtaining the decoding plate type information of audio signal reception decoding deck, including：
Second of the decoding plate type information for obtaining audio signal reception decoding deck is sent to audio signal reception decoding deck
Instruction message；
Receive the decoding plate type information for the audio signal reception decoding deck that audio signal reception decoding deck returns.
Wherein, according to the decoding plate type information of the audio signal reception decoding deck got, to audio signal reception solution
The step of code plate sends the first instruction message comprising configuration parameter, including：
According to the decoding plate type information and the corresponding relation of configuration parameter prestored, it is determined that the audio signal reception got
Configuration parameter corresponding to the decoding plate type information of decoding deck；
The first instruction message is sent to audio signal reception decoding deck, the first instruction message includes the configuration parameter determined.
The such scheme of the present invention comprises at least following beneficial effect：
In an embodiment of the present invention, because multiple communicating circuits of control device can be with multiple audio signal reception decoding decks electricity
Connection so that when control device is applied to broadcast terminal, broadcast terminal just can simply and rapidly be assembled more by control device
Individual audio signal reception decoding deck, reach in the case where reducing the production cost of broadcast terminal, support broadcast terminal a variety of
The effect of audio transmission pattern.
Brief description of the drawings
Fig. 1 is the structural representation of control device in the specific embodiment of the invention；
Fig. 2 is the structural representation of radio communication decoding deck in the specific embodiment of the invention；
Fig. 3 is the flow chart of control method in the specific embodiment of the invention.
Description of reference numerals：
1st, processing unit；2nd, audio selecting circuit；3rd, power amplifier；4th, communicating circuit；401st, the first audio signal interface；402、
First data communication interface；403rd, first detection signal interface；404th, the first communication signal interface；5th, audio signal reception decodes
Plate；6th, internal electric source；7th, external power source；8th, wireless communication line；9th, audio decoding circuit；10th, simulated audio signal processing electricity
Road；11st, external interface circuit；1101st, the second audio signal interface；1102nd, the second data communication interface；1103rd, the second detection
Signaling interface；1104th, the second communication signal interface；12nd, power supply；13rd, outside source.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
As shown in figure 1, the specific embodiment of the present invention provides a kind of control device, applied to broadcast terminal, the control
Device includes：Processing unit 1；Audio selecting circuit 2, the first input end of audio selecting circuit 2 and the first end of processing unit 1
Mouth electrical connection；Power amplifier 3, the first input end of power amplifier 3 electrically connect with the output end of audio selecting circuit 2；It is multiple logical
Circuit 4 is interrogated, the first port of communicating circuit 4 electrically connects with the second port of processing unit 1, and the first of multiple communicating circuits 4
Signal port electrically connects correspondingly with the secondary signal port of multiple audio signal reception decoding decks 5 of broadcast terminal；For
Circuit, the output end of power supply circuit respectively the 3rd port with processing unit 1, audio selecting circuit 2 the second input with
And the second input electrical connection of power amplifier 3.
Wherein, in a particular embodiment of the present invention, above-mentioned audio signal reception decoding deck 5 is mainly used in：Receive outside
The audio signal of audio signal source output, and decoding process is carried out to the audio signal, export simulated audio signal.Wherein, by
There are a variety of transmission modes in audio signal, therefore the audio signal that audio signal reception decoding deck 5 receives can be passed through
The audio signal of IP agreement transmission, by the audio signals of wireless communication transmissions, the audio signal transmitted by mode of frequency regulation or
Person passes through transport stream（TS, Transport Stream）The audio signal of transmission.
Specifically, in a particular embodiment of the present invention, above-mentioned multiple audio signal reception decoding decks 5 include：Network it
Between the agreement that interconnects（IP, Internet Protocol）Decoding deck, radio communication decoding deck（Such as fourth generation mobile phone row
Dynamic communication standard（4G）Decoding deck）, frequency modulation decoding deck and TS decoding decks etc..Wherein, IP decoding decks can be to passing through IP agreement
The audio signal of transmission carries out reception decoding, and exports simulated audio signal；Radio communication decoding deck can be to passing through channel radio
Believe the audio signal of transmission（Such as the audio signal of 4G transmission）Reception decoding is carried out, and exports simulated audio signal；Frequency modulation solution
Code plate can carry out reception decoding to the audio signal transmitted by mode of frequency regulation, and export simulated audio signal；TS decoding decks
Reception decoding can be carried out to the audio signal transmitted by TS, and export simulated audio signal.It is and it should be noted that above-mentioned
Multiple audio signal reception decoding decks 5 can be independent circuit board, in order to the installation of each audio signal reception decoding deck 5
With dismounting.Of course, it should be understood that above-mentioned multiple audio signal reception solutions are not limited in a particular embodiment of the present invention
The particular type of code plate 5, and it can also be other decoding decks in addition to above-mentioned several decoding decks.
Wherein, in a particular embodiment of the present invention, above-mentioned multiple communicating circuits 4 are mainly used in realizing multiple audio signals
The signal received between decoding deck 5 and processing unit 1 transmits.And in a particular embodiment of the present invention, above-mentioned first signal end
Mouth includes：First audio signal interface 401, the first data communication interface 402, first detection signal interface 403, and first is logical
Interrogate signaling interface 404；Secondary signal port includes：With 401 corresponding second audio signal interface of the first audio signal interface, with
Second data communication interface corresponding to first data communication interface 402, detected with first detection signal interface 403 corresponding second
Signaling interface, and with 404 corresponding second communication signal interface of the first communication signal interface.Specifically, the first audio signal
Interface 401 electrically connects with the second audio signal interface, and the first data communication interface 402 electrically connects with the second data communication interface,
First detection signal interface 403 electrically connects with the second detection signal interface, the first communication signal interface 404 and the second communication signal
Interface electrically connects.In this as an example, above-mentioned communicating circuit 4 can be connector socket, multiple simply and rapidly to realize
Signal transmission between audio signal reception decoding deck 5 and processing unit 1.
Wherein, in a particular embodiment of the present invention, when audio signal reception decoding deck 5 is inserted in control device, often
The corresponding communicating circuit 4 of individual audio signal reception decoding deck 5, and the secondary signal end of each audio signal reception decoding deck 5
Mouth electrically connects with the first signal port of corresponding communicating circuit 4, to ensure that each audio signal reception decoding deck 5 controls in insertion
Equal energy normal work after in device, it is ensured that broadcast terminal can support a variety of audio transmission patterns.And in this as an example, on
The quantity for stating audio signal reception decoding deck 5 and communicating circuit 4 can be 5.
Wherein, in a particular embodiment of the present invention, by taking an audio signal reception decoding deck 5 as an example, enunciated audio signal
Receive the process of decoding insertion control device.Specifically, when audio signal reception decoding deck 5 inserts control device, the audio
The first of second audio signal interface of signal receiving and decoding plate 5 communicating circuit 4 corresponding with the audio signal reception decoding deck 5
Audio signal interface 401 is electrically connected, and the simulated audio signal that the audio signal reception decoding deck 5 decodes is exported to processing
Unit 1；The second data communication interface of the audio signal reception decoding deck 5 is corresponding with the audio signal reception decoding deck 5 simultaneously
The first data communication interface 402 of communicating circuit 4 electrically connect so that processing unit 1 is defeated to the audio signal reception decoding deck 5
Go out configuration parameter（The configuration parameter is the parameter for making audio signal reception decoding deck normal work, such as modulation frequency, server
IP etc.）, it is easy to the audio signal reception decoding deck 5 to carry out parameter configuration；Second inspection of the other audio signal reception decoding deck 5
The first detection signal interface 403 for surveying signaling interface communicating circuit 4 corresponding with the audio signal reception decoding deck 5 electrically connects,
Electric current is set to flow to the correspondence of audio signal reception decoding deck 5 from the second detection signal interface of the audio signal reception decoding deck 5
Communicating circuit 4 first detection signal interface 403, communicating circuit 4 corresponding to the audio signal reception decoding deck 5 first inspection
The level for surveying signaling interface 403 changes, and then processing unit 1 is determined there is audio signal reception solution by the change of level
Code plate 5 inserts；In addition the second communication signal interface of the audio signal reception decoding deck 5 and the audio signal reception decoding deck 5
First communication signal interface 404 of corresponding communicating circuit 4 electrically connects, so that the audio signal reception decoding deck 5 is single to processing
Member 1 exports the electric signal for indicating decoding deck type, processing unit 1 is exported according to the audio signal reception decoding deck 5
Corresponding configuration parameter, it is easy to the audio signal reception decoding deck 5 to carry out parameter configuration.
Wherein, in a particular embodiment of the present invention, above-mentioned processing unit 1 is mainly used in：To each audio signal reception solution
Code plate 5 exports configuration parameter, and the simulated audio signal that each audio signal reception decoding deck 5 is exported is exported to audio selection
Circuit 2.It should be noted that the concrete structure of above-mentioned processing unit 1 can use existing simple structure to realize.In this as one
Individual example, above-mentioned processing unit 1 can be central processing unit, to simplify the structure of whole control device, reduce broadcast terminal
Cost.
Wherein, in a particular embodiment of the present invention, above-mentioned audio selecting circuit 2 is used for what reception processing unit 1 exported
Multi-channel analog audio signal（A corresponding audio signal reception decoding deck 5 per road simulated audio signal）, and therefrom select all the way
Simulated audio signal is exported to power amplifier 3, to play the simulated audio signal.
Wherein, in a particular embodiment of the present invention, above-mentioned audio selecting circuit 2 can be MUX, and above-mentioned
Power amplifier 3 can be power amplifier loudspeaker, to realize the quick broadcasting of simulated audio signal.
Wherein, in a particular embodiment of the present invention, above-mentioned power supply circuit is mainly used in processing unit 1, audio selection
Circuit 2, power amplifier 3 and communicating circuit 4 provide operating voltage.It should be noted that the operating voltage of communicating circuit 4 is by supplying
Circuit is provided by processing unit 1.
Specifically, in a particular embodiment of the present invention, above-mentioned power supply circuit includes internal electric source 6, internal electric source 6 it is defeated
Enter end to electrically connect with external power source 7, the output end of internal electric source 6 the 3rd port with processing unit 1, audio selecting circuit respectively
The second input electrical connection of 2 the second input and power amplifier 3.Wherein, above-mentioned internal electric source 6 is mainly used in processing
Unit 1, audio selecting circuit 2, power amplifier 3 and communicating circuit 4 provide stable operating voltage.And show in this as one
Example, above-mentioned internal electric source 6 can be linear power supply, so as to processing unit 1, audio selecting circuit 2, power amplifier 3 and lead to
Interrogate circuit 4 and stable operating voltage is provided.It should be noted that in a particular embodiment of the present invention, processing unit 1, audio
Interaction between selection circuit 2, power amplifier 3, communicating circuit 4, audio signal reception decoding deck 5 is to pass through electric signal transmission
Realize, and for ease of the transmission of electric signal, the second port of above-mentioned processing unit 1, the first port and first of communicating circuit 4
The secondary signal port of signal port and audio signal reception decoding deck 5 can be input/output（I/O）Interface.
It can be seen that in a particular embodiment of the present invention, because multiple communicating circuits 4 of control device can be believed with multiple audios
Number receiving decoding deck 5 electrically connects so that when control device is applied to broadcast terminal, broadcast terminal just can be simple by control device
List, multiple audio signal reception decoding decks 5 are rapidly assembled, reach in the case where reducing the production cost of broadcast terminal, make
Broadcast terminal supports the effect of a variety of audio transmission patterns.
It should be noted that because above-mentioned control device and each audio signal reception decoding deck 5 can be made into printed circuit
The form of plate, therefore by the different audio signal reception decoding deck 5 of the grafting on control device, just hardware can not appointed
In the case that what is changed, different broadcast terminal products is formed, so as to substantially reduce the production cost of broadcast terminal.
In addition, in a particular embodiment of the present invention, it is necessary to explanation, the tool of above-mentioned each audio signal reception decoding deck
Body structure can use existing simple structure to realize.It can be mentioned that if multiple audio signal reception decoding decks include
Radio communication decoding deck, then the radio communication decoding deck, can also be using such as Fig. 2 in addition to being realized using existing simple structure
Shown structure is realized.Specifically, as shown in Fig. 2 the radio communication decoding deck includes：Wireless communication line 8, wireless telecommunications electricity
The first input end on road 8 electrically connects with the output end of outside source 13；Audio decoding circuit 9, the first of audio decoding circuit 9
Input electrically connects with the first output end of wireless communication line 8；Simulated audio signal process circuit 10, at simulated audio signal
The first input end of reason circuit 10 electrically connects with the output end of audio decoding circuit 9, external interface circuit 11, external interface circuit
11 first input end electrically connects with the output end of simulated audio signal process circuit 10, the second input of external interface circuit 11
End electrically connects with the second output end of wireless communication line 8, and the of the output end of external interface circuit 11 and wireless communication line 8
Two inputs electrically connect, and external interface circuit 11 is provided with the second audio signal interface 1101（When radio communication decoding deck is inserted
When entering control device, second audio signal interface 1101 electrically connects with the first audio signal interface of communicating circuit）, second number
According to communication interface 1102（When radio communication decoding deck inserts control device, second data communication interface 1102 and communication electricity
The first data communication interface electrical connection on road）, the second detection signal interface 1103（When radio communication decoding deck inserts control device
When, the second detection signal interface 1103 electrically connects with the first detection signal interface of communicating circuit）And second communication signal
Interface 1104（When radio communication decoding deck inserts control device, the of the second communication signal interface 1104 and communicating circuit
One communication signal interface electrically connects）；Power supply 12, the 3rd input, the sound with wireless communication line 8 respectively of power supply 12
Second input of frequency decoding circuit 9, the 3rd input of external interface circuit 11 and simulated audio signal process circuit 10
The second input electrical connection.
Wherein, above-mentioned wireless communication line 8 is mainly used in：The audio exported by wireless communication receiver outside source 13
Signal；And the audio signal to being transmitted by wireless communication transmissions pattern is transmitted protocol-decoding processing.Need what is illustrated
It is that the concrete structure of wireless communication line 8 can use simple structure of the prior art to realize.Optionally, in the tool of the present invention
In body embodiment, above-mentioned wireless communication line 8 can be LTE wireless communication modules, WCDMA（W-CDMA,
Wideband Code Division Multiple Access）Wireless communication module, TD SDMA（TD-
SCDMA, Time Division-Synchronous Code Division Multiple Access）Wireless communication module or
Person's CDMA（CDMA, Code Division Multiple Access）2000 wireless communication modules etc..Wherein, when wireless
Communicating circuit 8 is Long Term Evolution（LTE, Long Term Evolution）During wireless communication module, in the wireless communication line 8
It is equipped with Internet protocol（IP, Internet Protocol）Broadcasting service, i.e. when the wireless communication line 8 receives outside letter
During the 4G signals that number source 13 exports, wireless communication line 8 can carry out IP agreement decoding process to 4G signals, obtain host-host protocol solution
Audio signal after code processing.
Wherein, above-mentioned audio decoding circuit 9 is mainly used in decoding the audio signal after host-host protocol decoding process,
So that audio signal is reduced into simulated audio signal, in this as an example, above-mentioned audio decoding circuit 9 can be audio solution
Code chip.In addition, above-mentioned simulated audio signal process circuit 10 is mainly used in believing the analogue audio frequency that audio decoding circuit 9 exports
Number processing is amplified, in this as an example, above-mentioned simulated audio signal process circuit 10 can be operational amplifier.This
Outside, above-mentioned external interface circuit 11 is mainly used in carrying out signal transmission with the processing unit of control device, shows in this as one
Example, above-mentioned external interface circuit 11 can be connector socket.It is mainly used in as above-mentioned power supply 12 to each component（It is i.e. wireless
Communicating circuit 8, audio decoding circuit 9, external interface circuit 11 and simulated audio signal process circuit 10 etc.）Work electricity is provided
Pressure.
In addition, as shown in figure 3, the specific embodiment of the present invention additionally provides a kind of control method, applied to above-mentioned control
Device processed, the control method include：
Step 301, detected whether that audio signal reception decoding deck inserts control device.
Wherein, in a particular embodiment of the present invention, the specific implementation of above-mentioned steps 301 can be：Detect each logical
Whether the level for interrogating the first signal port of circuit changes, if the first signal port for having level to change, it is determined that
There is audio signal reception decoding deck to insert control device.
Wherein, in a particular embodiment of the present invention, can be especially by the first signal port for detecting each communicating circuit
The mode whether level of first detection signal interface changes, it is determined whether have the insertion control of audio signal reception decoding deck
Device.If the specifically, first detection signal interface for thering is level to change, it is determined that have the insertion of audio signal reception decoding deck
Control device.Wherein, level, which changes, refers to become high level from low level, or becomes low level from high level.
It should be noted that before above-mentioned steps 301 are performed, when broadcast terminal is started shooting, control device needs initial
Change each communicating circuit itself included, to detect the insertion of audio signal reception decoding deck.Certainly in audio signal reception
When decoding deck needs to insert control device, audio signal reception decoding deck can also perform initialization.
Step 302, if there is audio signal reception decoding deck to insert control device, audio signal reception decoding deck is obtained
Decode plate type information.
Wherein, in a particular embodiment of the present invention, above-mentioned decoding plate type information can be IP decoding decks, radio communication
Decoding deck, frequency modulation decoding deck, TS decoding decks or other decoding decks.
Wherein, in a particular embodiment of the present invention, the specific implementation of above-mentioned steps 302 can be：Believe to audio
Number receiving decoding deck sends the second instruction message of decoding plate type information for obtaining audio signal reception decoding deck, and connects
The decoding plate type information for the audio signal reception decoding deck that radio reception frequency signal receiving and decoding plate returns.Wherein, the present invention's
In specific embodiment, control device can pass through the first communication signal interface of control device（The first communication signal interface be with
First communication signal interface of communicating circuit corresponding to audio signal reception decoding deck）With the second of audio signal reception decoding deck
Communication signal interface, the second instruction message is sent to audio signal reception decoding deck, and audio signal reception decoding deck can also lead to
Cross itself the second communication signal interface and control device the first communication signal interface（I.e. with audio signal reception decoding deck pair
First communication signal interface of the communicating circuit answered）, the decoding deck class of the audio signal reception decoding deck returned to control device
Type information, so that control device can rapidly get the decoding plate type information of audio signal reception decoding deck.
Step 303, according to the decoding plate type information of the audio signal reception decoding deck got, to audio signal reception
Decoding deck sends the first instruction message for including configuration parameter, audio signal reception decoding deck is carried out parameter according to configuration parameter
Configuration.
Wherein, in a particular embodiment of the present invention, above-mentioned configuration parameter refers to that audio signal reception decoding deck can be made just
The parameter often to work.Specifically, the configuration parameter includes broadcast terminal IP, the IP for the server that broadcast terminal connects, frequency modulation frequency
Rate, TS frequencies etc..
Wherein, in a particular embodiment of the present invention, the specific implementation of above-mentioned steps 303 comprises the following steps：
The first step, according to the decoding plate type information and the corresponding relation of configuration parameter prestored, it is determined that the audio got
Configuration parameter corresponding to the decoding plate type information of signal receiving and decoding plate.
Wherein, the corresponding relation of above-mentioned decoding plate type information and configuration parameter can obtain according to customer demand, and in advance
It is stored in control device.Specifically, in the corresponding relation, configuration parameter corresponding to each decoding plate type information can be different.
Wherein, the decoding plate type information in the corresponding relation includes IP decoding decks, radio communication decoding deck, frequency modulation decoding deck, TS solutions
Code plate etc., and configuration parameter includes broadcast terminal IP, the IP for the server that broadcast terminal connects, modulation frequency, TS frequencies etc..
, as an example, IP decoding decks correspond to broadcast terminal IP for this, and radio communication decoding deck corresponds to the server of broadcast terminal connection
IP, frequency modulation decoding deck corresponds to modulation frequency, and TS decoding decks correspond to TS frequencies.
Second step, the first instruction message is sent to audio signal reception decoding deck, the first instruction message includes what is determined
Configuration parameter.
Wherein, in a particular embodiment of the present invention, the first data communication interface of control device can be passed through（First number
According to the first data communication interface that communication interface is communicating circuit corresponding with audio signal reception decoding deck）Connect with audio signal
The second data communication interface of decoding deck is received, above-mentioned first instruction message is sent to audio signal reception decoding deck.
It should be noted that control device can perform when often having detected the insertion of audio signal reception decoding deck
Step 301 is stated to step 303, so that the audio signal reception decoding deck carries out parameter configuration, it is ensured that the audio signal reception solution
Code plate energy normal work.And after audio signal reception decoding deck configures parameter, audio signal reception decoding deck can be to control
Device returns to the prompting message completed for characterization parameter configuration, so that control device understands the ginseng of audio signal reception decoding deck
Number state.
It should be further stated that when needing to carry out parameter upgrading to audio signal reception decoding deck, can be by outer
Portion's terminal or broadcast platform convey the corresponding relation of decoding plate type information and configuration parameter to control device, make control device root
Corresponding audio signal reception decoding deck is controlled to carry out parameter upgrading according to the corresponding relation received, so as to corresponding audio signal
Parameter upgrading can be completed according to customer demand by receiving decoding deck.And after the completion of parameter upgrading, control device can also be to outside eventually
End or broadcast platform feedback upgrade status, to make user understand the parameter state of audio signal reception decoding deck.Certainly joining
During several litres grades, control device can control audio signal reception decoding deck according to the actual conditions of audio signal reception decoding deck
Carry out parameter upgrading（Such as upgraded within the specific time）, avoid influence audio signal reception decoding deck normal work
Make.In addition, in parameter escalation process, control device can store the upgrade parameter of audio signal reception decoding deck, so as in sound
When frequency signal receiving and decoding plate is changed, control device can decode according to the upgrade parameter of storage to the audio signal reception after changing
Plate carries out parameter renewal upgrading, so that the audio signal reception decoding deck after changing can work according to customer demand.If wherein sound
When parameter in frequency signal receiving and decoding plate conflicts with the parameter stored in control device, with the ginseng stored in control device
Number is defined.
Wherein, in a particular embodiment of the present invention, after above-mentioned steps 303 have been performed, above-mentioned control method is also wrapped
Include：What reception audio signal reception decoding deck was sent is used to indicate that audio signal reception decoding deck is in the heart of normal operating conditions
Message is jumped, and heartbeat response message is returned to audio signal reception decoding deck, is received with notification audio signal receiving and decoding plate
Heartbeat message.It should be noted that above-mentioned heartbeat message mainly makes control device understand audio signal with heartbeat response message
Receive decoding deck and be in normal working condition.
In addition, in a particular embodiment of the present invention, after above-mentioned steps 303 have been performed, above-mentioned control method is also wrapped
Include：The broadcast message that audio signal reception decoding deck is sent is received first, and the broadcast message includes audio signal reception decoding deck
Decoding plate type information, the broadcasting precedence information and broadcasted content of audio signal reception decoding deck；Then according to audio
The decoding plate type information of signal receiving and decoding plate plays broadcasted content with playing precedence information.It should be noted that control
Device upon receiving the broadcast message, can to audio signal reception decoding deck return for sign receive broadcast message notice disappear
Breath, so that audio signal reception decoding deck determines that control device has been received by broadcast message, it is not necessary to repeat to send out to control device
Send broadcast message.
Wherein, in a particular embodiment of the present invention, because broadcast terminal supports a variety of audio transmission patterns, therefore can give
Each audio signal reception decoding deck is pre-configured with broadcasting priority, so that control device is receiving multi-channel analog audio letter
Number when, can be played out according to precedence information, to meet customer requirement, lift Consumer's Experience.
As can be seen here, in a particular embodiment of the present invention, when control device has detected audio signal reception decoding deck
, can be by obtaining the decoding plate type information of the audio signal reception decoding deck, to the audio signal reception decoding deck during insertion
Send configuration parameter, the audio signal reception decoding deck is set to carry out parameter configuration, it is ensured that each audio signal in broadcast terminal connects
Decoding deck energy normal work is received, broadcast terminal is supported a variety of audio transmission patterns.Simultaneously because control device and each sound
Frequency signal receiving and decoding plate can be made into the form of printed circuit board so that each audio signal reception decoding deck remove and install compared with
For simplicity, the production cost of broadcast terminal can be reduced.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of control device, applied to broadcast terminal, it is characterised in that the control device includes：
Processing unit；
Audio selecting circuit, the first input end of the audio selecting circuit electrically connect with the first port of the processing unit；
Power amplifier, the first input end of the power amplifier electrically connect with the output end of the audio selecting circuit；
Multiple communicating circuits, the first port of the communicating circuit electrically connect with the second port of the processing unit, and described
The secondary signal end of first signal port of multiple communicating circuits and multiple audio signal reception decoding decks of the broadcast terminal
Mouth electrically connects correspondingly；
Power supply circuit, the 3rd port with the processing unit, the audio selection are electric respectively for the output end of the power supply circuit
The second input electrical connection of second input and the power amplifier on road.
2. control device according to claim 1, it is characterised in that first signal port includes：First audio is believed
Number interface, the first data communication interface, first detection signal interface, and the first communication signal interface；The secondary signal end
Mouth includes：The second audio signal interface corresponding with first audio signal interface, with first data communication interface pair
The second data communication interface answered, the second detection signal interface corresponding with the first detection signal interface, and with it is described
Second communication signal interface corresponding to first communication signal interface.
3. control device according to claim 1, it is characterised in that the audio selecting circuit is MUX.
4. control device according to claim 1, it is characterised in that the power supply circuit includes internal electric source, described interior
The input of portion's power supply electrically connects with external power source, the output end of the internal electric source the 3rd end with the processing unit respectively
The second input electrical connection of mouth, the second input of the audio selecting circuit and the power amplifier.
A kind of 5. control method, applied to the control device as described in any one of Claims 1-4, it is characterised in that the control
Method processed includes：
Detect whether that audio signal reception decoding deck inserts control device；
If there is audio signal reception decoding deck to insert control device, the decoding deck class of the audio signal reception decoding deck is obtained
Type information；
According to the decoding plate type information of the audio signal reception decoding deck got, sent out to the audio signal reception decoding deck
The first instruction message for including configuration parameter is sent, the audio signal reception decoding deck is carried out parameter according to the configuration parameter
Configuration.
6. control method according to claim 5, it is characterised in that in the audio signal reception solution that the basis is got
The decoding plate type information of code plate, the first instruction message comprising configuration parameter is sent to the audio signal reception decoding deck
After step, the control method also includes：
Being used for of receiving that the audio signal reception decoding deck sends indicates that the audio signal reception decoding deck is in normal work
Make the heartbeat message of state；
Heartbeat response message is returned to the audio signal reception decoding deck.
7. control method according to claim 5, it is characterised in that in the audio signal reception solution that the basis is got
The decoding plate type information of code plate, the first instruction message comprising configuration parameter is sent to the audio signal reception decoding deck
After step, the control method also includes：
The broadcast message that the audio signal reception decoding deck is sent is received, the broadcast message includes the audio signal reception
The broadcasting precedence information and broadcasted content of the decoding plate type information of decoding deck, the audio signal reception decoding deck；
According to the decoding plate type information of the audio signal reception decoding deck with playing precedence information, play in the broadcast
Hold.
8. control method according to claim 5, it is characterised in that described to have detected whether audio signal reception decoding deck
The step of inserting control device, including：
Whether the level for detecting the first signal port of each communicating circuit changes；
If the first signal port for thering is level to change, it is determined that there is audio signal reception decoding deck to insert control device.
9. control method according to claim 5, it is characterised in that the acquisition audio signal reception decoding deck
The step of decoding plate type information, including：
The decoding deck type sent to the audio signal reception decoding deck for obtaining the audio signal reception decoding deck is believed
Second instruction message of breath；
Receive the decoding plate type information for the audio signal reception decoding deck that the audio signal reception decoding deck returns.
10. control method according to claim 5, it is characterised in that the audio signal reception solution that the basis is got
The decoding plate type information of code plate, the first instruction message comprising configuration parameter is sent to the audio signal reception decoding deck
Step, including：
According to the decoding plate type information and the corresponding relation of configuration parameter prestored, it is determined that the audio signal reception got
Configuration parameter corresponding to the decoding plate type information of decoding deck；
The first instruction message is sent to the audio signal reception decoding deck, first instruction message includes the configuration determined
Parameter.
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| CN107342829B (en) | 2023-08-29 |
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