CN208739395U - Audio board and digital sound console - Google Patents
Audio board and digital sound console Download PDFInfo
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- CN208739395U CN208739395U CN201821411687.8U CN201821411687U CN208739395U CN 208739395 U CN208739395 U CN 208739395U CN 201821411687 U CN201821411687 U CN 201821411687U CN 208739395 U CN208739395 U CN 208739395U
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Abstract
This application involves a kind of audio board and digital sound consoles, comprising: for receiving the host computer interface of the first control signal of host computer transmission；For receiving the local console interface for the second control signal that local console is sent；For receiving, sending the AES10 optical fiber interface of optical fiber audio signal；For receiving, sending the AES67 cable interface of cable audio signal；For receiving, sending the coaxial cable interface of analog audio signal；Optical fiber audio signal, cable audio signal and/or analog audio signal for will receive, are converted into IIS audio signal, and the main control chip handled according to first control signal and/or second control signal IIS audio signal；Host computer interface, local console interface, AES10 optical fiber interface, AES67 cable interface and coaxial cable interface are connect with main control chip.It can be to avoid cumbersome wiring, so that wiring when receiving or sending multi-path audio-frequency data is simple.
Description
Technical field
This application involves multimedia data processing fields, more particularly to a kind of audio board and digital tuning
Platform.
Background technique
With the rapid development that medium is propagated, the 5th media --- network robs the mainstream market for accounting for medium propagation, broadcast,
Crisis is felt more in the operation of the traditional media such as TV.Currently, the traditional media such as broadcast, TV take digitlization, networking, integration
The mode of the fusion new media such as network media resource is coped with, and positive effect is achieved.
Currently, the audio board of the audio host of digital live broadcast sound console, using traditional audio transmission interfaces.Due to
The corresponding transmission mode of conventional audio transmission interface is point-to-point transmission, the input or defeated to realization multipath audio signal
Out, wiring is cumbersome.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide a kind of simple audio board of wiring and digital tuning
Platform.
A kind of audio board of digital live broadcast sound console, the audio board include:
For receiving the host computer interface of the first control signal of host computer transmission；
For receiving the local console interface for the second control signal that local console is sent；
For receiving, sending the AES10 optical fiber interface of optical fiber audio signal；
For receiving, sending the AES67 cable interface of cable audio signal；
For receiving, sending the coaxial cable interface of analog audio signal；
Optical fiber audio signal, cable audio signal and/or analog audio signal for will receive, are converted into IIS sound
Frequency signal, and the main control chip that IIS audio signal is handled according to first control signal and/or second control signal；
The host computer interface, the local console interface, the AES10 optical fiber interface, the AES67 cable interface
And the coaxial cable interface is connected with the main control chip.
In one embodiment, the main control chip includes embedded chip interconnected and digital signal processor core
Piece；The host computer interface, the local console interface, the AES10 optical fiber interface, the AES67 cable interface and institute
Coaxial cable interface is stated to connect with the embedded chip.
In one embodiment, the embedded chip includes ARM chip and fpga chip interconnected；On described
Position machine interface and the local console interface are connect with the ARM chip；The AES10 optical fiber interface, the AES67 cable
Interface and the coaxial cable interface are connect with the fpga chip.
In one embodiment, further include synchronization signal interface for receiving external clock synchronous signal；It is described same
Step signaling interface is connected with the main control chip.
In one embodiment, the AES67 cable interface is AOIP interface.
In one embodiment, the AES10 optical fiber interface is MADI interface.
In one embodiment, the MADI interface is realized using the transceiving chip of model CY7C9689.
In one embodiment, the host computer interface, the local console interface, the AES10 optical fiber interface,
The AES67 cable interface and the coaxial cable interface are connect with the main control chip by CAN bus.
It in one embodiment, further include bus control module for being managed to CAN bus, total line traffic control
Molding block is connected with the main control chip.
A kind of digital sound console, including console and audio host, the audio host include above-mentioned audio board；
The console is connect by the console interface with the audio host.
Above-mentioned audio board and digital sound console, comprising: for receiving the first control signal of host computer transmission
Host computer interface；For receiving the local console interface for the second control signal that local console is sent；For receiving, sending
The AES10 optical fiber interface of optical fiber audio signal；For receiving, sending the AES67 cable interface of cable audio signal；For connecing
The coaxial cable interface of analog audio signal is sent in sending and receiving；Optical fiber audio signal, cable audio signal for will receive or/
And analog audio signal, it is converted into IIS audio signal, and according to first control signal and/or second control signal to IIS audio
The main control chip that signal is handled；The host computer interface, the local console interface, the AES10 optical fiber interface, institute
It states AES67 cable interface and the coaxial cable interface is connected with the main control chip.Since AES10 optical fiber interface can be one
On a data path, multi-path audio-frequency data is received or sent, it is thus possible to improve the transmittability of single lines.Receive or
When sending multi-path audio-frequency data, it can be completed by the AES10 optical fiber interface, without passing through multiple coaxial cable interfaces
It completes, so as to avoid cumbersome wiring, so that wiring when receiving or sending multi-path audio-frequency data is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment sound intermediate frequency circuit board；
Fig. 2 is the structural schematic diagram of another embodiment sound intermediate frequency circuit board.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Audio board and digital sound console provided by the present application can be applied to the Media News such as radio station, TV station and adopt
It compiles, the scenes such as line, live report is broadcast live.
As shown in Figure 1, the application provides a kind of audio board of digital live broadcast sound console, the audio board packet
It includes:
For receiving the host computer interface 110 of the first control signal of host computer transmission；
For receiving the local console interface 120 for the second control signal that local console is sent；
For receiving, sending the AES10 optical fiber interface 130 of optical fiber audio signal；
For receiving, sending the AES67 cable interface 140 of cable audio signal；
For receiving, sending the coaxial cable interface 150 of analog audio signal；
Optical fiber audio signal, cable audio signal and/or analog audio signal for will receive, are converted into IIS sound
Frequency signal, and the main control chip 160 that IIS audio signal is handled according to first control signal and/or second control signal；
It is the host computer interface 110, the local console interface 120, the AES10 optical fiber interface 130, described
AES67 cable interface 140 and the coaxial cable interface 150 are connect with the main control chip 160.
Wherein, first control signal is what host computer was sent, to optical fiber audio signal, the cable audio signal received
And/or the signal that analog audio signal is handled.Second control signal is that local console is sent, to the optical fiber received
The signal that audio signal, cable audio signal and/or analog audio signal are handled.To the optical fiber audio signal received,
The processing that cable audio signal and/or analog audio signal carry out is audio digital signals processing, may include audio signal
Synthesis, amplification, reduce, the increasing or reducing of volume, the processing of frequency domain, high pitch enhancing, at the effect of audio signals such as supper bass
Reason.
Optical fiber audio signal is to be transmitted through the optical fiber audio signal.AES10 optical fiber interface 130 is based on AES10 agreement
Optical fiber interface.Cable audio signal is the audio signal transmitted by cable or wireless antenna, which can be twisted pair
Or wireless antenna, it is different from optical fiber.AES67 cable interface 140 is the cable interface based on AES67 agreement.Coaxial cable interface
150 be the cable interface based on coaxial cable, such as can be DB-25 connection mouth.IIS audio signal is based on IIS (Integrate
Interface of Sound, integrated audio interface can also be abbreviated as I2S) audio signal.
It is the host computer interface 110, the local console interface 120, the AES10 optical fiber interface 130, described
The connection type of AES67 cable interface 140 and the coaxial cable interface 150 and the main control chip 160 can be to be electrically connected
It connects, is such as connected by bus.
It is to be appreciated that the main control chip 160 is also used to treated IIS signal, be converted to optical fiber audio signal,
Cable audio signal and/or analog audio signal, and export to the corresponding AES10 optical fiber interface 130, the AES67 net
Line interface 140 and/or the coaxial cable interface 150.
Audio board based on the present embodiment, comprising: for receive host computer transmission first control signal it is upper
Machine interface 110；For receiving the local console interface 120 for the second control signal that local console is sent；For connecing sending and receiving
Send the AES10 optical fiber interface 130 of optical fiber audio signal；For receiving, sending the AES67 cable interface 140 of cable audio signal；
For receiving, sending the coaxial cable interface 150 of analog audio signal；Optical fiber audio signal, cable sound for will receive
Frequency signal and/or analog audio signal are converted into IIS audio signal, and according to first control signal and/or second control signal
The main control chip 160 that IIS audio signal is handled；The host computer interface 110, the local console interface 120, institute
State AES10 optical fiber interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 and the main control chip 160
Connection.It, therefore, can since AES10 optical fiber interface 130 can receive or send multi-path audio-frequency data on a data path
To improve the transmittability of single lines.When receiving or sending multi-path audio-frequency data, the AES10 optical fiber can be connect by one
Mouthfuls 130 complete, without being completed by multiple coaxial cable interfaces 150, so as to avoid cumbersome wiring so that receive or
Wiring when sending multi-path audio-frequency data is simple.
Simultaneously as the audio board includes the AES10 optical fiber interface for receiving, sending optical fiber audio signal simultaneously
130, for receiving, send the AES67 cable interface 140 of cable audio signal, and for receiving, sending analog audio signal
Coaxial cable interface 150, therefore, the applicability of the audio board is more extensive.
Such as, the stereo of 32 tunnels can be converted to 64 channel serial data by the AES10 interface and send, with this
The serial audio data that can receive 64 channels simultaneously, is converted to the stereo of 32 tunnels, in this way, it is defeated to can solve multi-path line
Enter output problem, to extend the input/output interface of sound console, efficiently solves in line that interface is not enough, wiring is numerous
Trivial problem, while efficiency of transmission can be improved, save resource.
Referring to Fig. 2, in one embodiment, the main control chip 160 include embedded chip interconnected and
Digital signal processing chip (i.e. dsp chip 163)；It is the host computer interface 110, the local console interface 120, described
AES10 optical fiber interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 and the embedded chip connect
It connects.
IIS audio can be believed according to first control signal and/or second control signal by digital signal processing chip
It number is handled.It is described local console interface 120, the AES10 optical fiber interface 130, the AES67 cable interface 140 and
The coaxial cable interface 150 is connect with the embedded chip.The optical fiber audio that can will be received by embedded chip
Signal, cable audio signal and/or analog audio signal, are converted into IIS audio signal, and control digital signal processing chip root
IIS audio signal is handled according to first control signal and/or second control signal.It is to be appreciated that the embedded chip
It can also be used to treated IIS signal being converted to optical fiber audio signal, cable audio signal and/or analog audio signal,
And it exports to the corresponding AES10 optical fiber interface 130, the AES67 cable interface 140 and/or the coaxial cable interface
150.Embedded chip may include ARM chip and/or fpga chip.
In this way, by dedicated digital signal processing chip according to first control signal and/or second control signal to IIS
Audio signal is handled, which may include gain, audio mixing etc..In this way, the treatment effeciency of audio board can be improved.
In one embodiment, the embedded chip includes ARM chip 161 and fpga chip 162 interconnected；
The host computer interface 110 and the local console interface 120 are connect with the ARM chip 161；The AES10 optical fiber connects
Mouth 130, the AES67 cable interface 140 and the coaxial cable interface 150 are connect with the fpga chip 162.
The AES10 optical fiber interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 with it is described
Fpga chip 162 connects, can be by fpga chip 162 by the optical fiber audio signal received, cable audio signal and/or mould
Quasi- audio signal, is converted into IIS audio signal, can also convert by the fpga chip 162 by treated IIS signal
For optical fiber audio signal, cable audio signal and/or analog audio signal, and export to the corresponding AES10 optical fiber interface
130, the AES67 cable interface 140 and/or the coaxial cable interface 150.The host computer interface 110 and the local
Console interface 120 is connect with the ARM chip 161, and ARM chip 161 and fpga chip 162 are connected with each other, and can pass through ARM
Chip 161 controls digital signal processing chip and is carried out according to first control signal and/or second control signal to IIS audio signal
Processing.In this way, can be further improved the treatment effeciency of audio board.
In one embodiment, further include synchronization signal interface 170 for receiving external clock synchronous signal；It is described
Synchronization signal interface is connect with the main control chip 160.In this way, the influence of noise can be reduced, the accurate of audio processing is improved
Property.
Further, synchronization signal interface is connect with the embedded chip of the main control chip 160.Further, together
Step signaling interface is connect with fpga chip 162.In this way, make the optical fiber audio signal that will be received, cable audio signal and/or
Analog audio signal, when being converted into IIS audio signal, obtained IIS audio signal is more accurate.
In a wherein specific embodiment, synchronization signal interface may include XLR interface and signal conversion chip.The synchronization
Signaling interface receives external clock synchronous signal, to carry out the synchronization of each audio signal.
In one embodiment, further include digital signal interface for receiving, sending digital audio and video signals；Number letter
Number interface is connect with the fpga chip 162 of the embedded chip of main control chip 160.Digital signal interface can be DB-25 connection mouth.
In this way, further increasing the applicability of audio board.
It can also include input and output board, input and output board connection number word signal in a wherein specific embodiment
Interface or coaxial cable interface 150.Input and output board may include: analog input card, digital input card, microphone input card,
Analog output card, numeral output card can select input or output board card, often according to required port number and channel signal mode
Block board can provide the input of 4 road signals or output, optional 4 tunnel, 8 tunnels, 12 tunnels, 16 tunnels, 20 tunnels, 32 railway digitals or analog signal
Input or output；Either number AES/EBU signal, simulation linear signal or simulation microphone signal all pass through inputs accordingly
After board carries out signal processing, and IIS signal is ultimately converted to by being input in fpga chip 162, in ARM chip 161
Under control, will all signals be sent into dsp chip 163 in carry out audio digital signals processing, comprising: mixing, dynamic scaling down processing,
Gain, level adjustment etc. after the completion of the processing of dsp chip 163, transmit signals in fpga chip 162 for distributing simultaneously again
Output, corresponding numeral output card or analog output card carry out at conversion according to board state and setting parameters on output signals
After reason, corresponding number or analog audio signal are exported.
In one embodiment, the AES67 cable interface 140 is AOIP interface.It can be connect by the AOIP interface
Receive cable audio data, and the cable audio data is decompressed, decode and signal conversion etc. processing, obtain IIS signal.Such as
This, the fpga chip 162 without the embedded chip by main control chip 160 decompresses the cable audio data, is decoded
And the processing such as signal conversion.To can further improve the treatment effeciency of audio board.The embedded core of the main control chip 160
The fpga chip 162 of piece, the control that second control signal can be passed through by first control signal and/or console in host computer
Under, the dsp chip 163 which is transmitted to the embedded chip of the main control chip 160 is carried out at audio digital signals
Reason.After dsp chip 163 carries out audio digital signals processing, the fpga chip of the embedded chip of the main control chip 160 is passed back
162.The fpga chip 162 of the embedded chip of the main control chip 160, by treated, IIS signal is transmitted to the AOIP interface,
It converted, encoded by the AOIP interface, being converted into cable audio data after packing processing.AOIP interface can use system-level
SOC micro-chip processor, realize that network audio data based on AES67 agreement is packaged encapsulation, decompression, encoding and decoding, signal are converted
It works Deng complicated audio processing.
Further, which can also include network module, which connects AOIP interface.In this way,
AOIP interface is allowed to receive the cable audio data based on AES67 agreement by the network module；The net can also be passed through
Network module sends cable audio data after treatment.To improve the applicability of the audio board.
Further, which may include network interface chip and RJ45 interface, in this way, being received by wired mode
Cable audio data.The network module can also include wireless network interface chip and antennal interface, in this way, wirelessly connecing
Receive cable audio data.
In one embodiment, the AES10 optical fiber interface 130 is MADI interface.Further, the MADI interface
It is realized using the transceiving chip of model CY7C9689.The optical fiber audio signal received is converted into MADI letter by the transceiving chip
Number, which includes clock signal and 8 bit parallel datas, and the data being converted to are transmitted to main control chip 160
It is embedded in the fpga chip 162 of chip.By the fpga chip 162 of the embedded chip of the main control chip 160, realize that MADI signal is beaten
Packet is unpacked and is grouped, and IIS signal sends and receivees and the functions such as each channel signal distribution of MADI and IIS signal.
In a wherein specific embodiment, the MADI signal either based on optical fiber still based on coaxial cable input all may be used
After being decoded by CY7C9689 transceiving chip, it is converted into clock signal and 8 bit parallel datas is input to fpga chip 162
In, serial data transmission is encoded into after the processing of fpga chip 162, then by CY7C9689 transceiving chip.In ARM chip 161
Under control, will all signals be sent into dsp chip 163 in carry out audio digital signals processing, comprising: mixing, dynamic scaling down processing,
Gain, level adjustment etc., after the completion of the processing of dsp chip 163, transmit signals in fpga chip 162 again for coaxial or
The distribution of optical fiber exports.
It is implemented in example, the host computer interface 110, the local console interface 120, the AES10 optical fiber
Interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 and the main control chip 160 pass through CAN bus
Connection.In this way, facilitating the transmission of audio signal, to further increase the treatment effeciency of audio board.
Further, audio board further includes the bus control module for being managed to CAN bus, the bus
Control module is connect with the main control chip 160.In this way, to connection host computer interface 110, the local console interface 120,
The AES10 optical fiber interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 and the main control chip
160 CAN bus carries out unified management control, can further increase the treatment effeciency of audio board.
In a wherein specific embodiment, bus control module includes: for local console interface 120 and master control core
The first bus control module that the CAN bus that the ARM chip 161 of piece 160 connects is controlled；And for host computer interface
110, the AES10 optical fiber interface 130, the AES67 cable interface 140 and the coaxial cable interface 150 and the master control
The second bus control module that the CAN bus that chip 160 connects is controlled.The local console interface 120 and main control chip
160 ARM chip 161 is connected by the first bus control module；The local console interface 120 can be DB-9 interface.It should
Second bus control module is connect with the ARM chip 161 of main control chip 160.
In a wherein specific embodiment, the audio board can also include network module, the network module connection on
Position machine interface 110.In this way, host computer interface 110 is allowed to receive the first control that host computer issues by the network module
Signal.Host computer can carry out the setting of sound console items by the way that software is graphically arranged, and realize that parameter preservation, importing, network are remote
Journey maintenance.To improve the applicability of the audio board.Further, the network module may include network interface chip and
RJ45 interface, in this way, receiving cable audio data by wired mode.The network module can also include wireless network interface chip
And antennal interface, in this way, wirelessly receiving cable audio data.
The application also provides a kind of digital sound console, including console and audio host, and the audio host wraps audio
Circuit board；The console is connect by the console interface with the audio host.
Since the audio host that the digital sound console includes includes above-mentioned audio board, digital sound console tool
There is the corresponding beneficial effect of the audio board.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of this application, various modifications and improvements can be made, these belong to the application's
Protection scope.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of audio board, which is characterized in that the audio board includes:
For receiving the host computer interface of the first control signal of host computer transmission；
For receiving the local console interface for the second control signal that local console is sent；
For receiving, sending the AES10 optical fiber interface of optical fiber audio signal；
For receiving, sending the AES67 cable interface of cable audio signal；
For receiving, sending the coaxial cable interface of analog audio signal；
Optical fiber audio signal, cable audio signal and/or analog audio signal for will receive are converted into IIS audio letter
Number, and the main control chip that IIS audio signal is handled according to first control signal and/or second control signal；
The host computer interface, the local console interface, the AES10 optical fiber interface, the AES67 cable interface and institute
Coaxial cable interface is stated to be connected with the main control chip.
2. audio board according to claim 1, which is characterized in that the AES10 optical fiber interface is MADI interface.
3. audio board according to claim 2, which is characterized in that the MADI interface uses model CY7C9689
Transceiving chip realize.
4. audio board according to claim 1, which is characterized in that the main control chip includes insertion interconnected
Formula chip and digital signal processing chip；The host computer interface, the local console interface, the AES10 optical fiber interface,
The AES67 cable interface and the coaxial cable interface are connect with the embedded chip.
5. audio board according to claim 4, which is characterized in that the embedded chip includes interconnected
ARM chip and fpga chip；The host computer interface and the local console interface are connect with the ARM chip；It is described
AES10 optical fiber interface, the AES67 cable interface and the coaxial cable interface are connect with the fpga chip.
6. audio board according to claim 1, which is characterized in that further include for receiving external clock synchronous signal
Synchronization signal interface；The synchronization signal interface is connected with the main control chip.
7. audio board according to claim 1, which is characterized in that the AES67 cable interface is AOIP interface.
8. audio board according to claim 1, which is characterized in that the host computer interface, the local console
Interface, the AES10 optical fiber interface, the AES67 cable interface and the coaxial cable interface pass through with the main control chip
CAN bus connection.
9. audio board according to claim 8, which is characterized in that further include for being managed to CAN bus
Bus control module, the bus control module are connected with the main control chip.
10. a kind of digital sound console, including console and audio host, which is characterized in that the audio host includes that right is wanted
Seek audio board described in 1-9 any one；The console is connect by the console interface with the audio host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411687.8U CN208739395U (en) | 2018-08-30 | 2018-08-30 | Audio board and digital sound console |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411687.8U CN208739395U (en) | 2018-08-30 | 2018-08-30 | Audio board and digital sound console |
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| CN208739395U true CN208739395U (en) | 2019-04-12 |
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| CN201821411687.8U Active CN208739395U (en) | 2018-08-30 | 2018-08-30 | Audio board and digital sound console |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157961A (en) * | 2021-10-11 | 2022-03-08 | 深圳市东微智能科技股份有限公司 | System and electronic equipment for realizing MADI digital audio processing based on FPGA |
-
2018
- 2018-08-30 CN CN201821411687.8U patent/CN208739395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157961A (en) * | 2021-10-11 | 2022-03-08 | 深圳市东微智能科技股份有限公司 | System and electronic equipment for realizing MADI digital audio processing based on FPGA |
| CN114157961B (en) * | 2021-10-11 | 2024-02-13 | 深圳市东微智能科技股份有限公司 | System and electronic equipment for realizing MADI digital audio processing based on FPGA |
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