CN105025304A - IP-network-based digital direct-broadcasting sound console - Google Patents
IP-network-based digital direct-broadcasting sound console Download PDFInfo
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Abstract
The invention, which belongs to the technical field of the radio and television, discloses an IP-network-based digital direct-broadcasting sound console that is compatible with the existing analog and digital audio signal input ways, is used for inputting and outputting lots of audio signals and carrying out processing on the signals in IP networks like the internet or mobile internet and the like, and is capable of outputting a high-quality audio signal. The IP-network-based digital direct-broadcasting sound console can receiving audio data of the IP network directly and carry out data conversion, wherein the data can be used for direct broadcasting interaction or playing directly. Therefore, problems of complex playing switching and long time delay during voice direct broadcasting connection as well as tedious voice interaction of the network instant messaging tool or tedious network audio direct broadcasting can be solved. On the basis of cooperation of a portable touch control display terminal for virtualization and imaging of pusher and key control, the console has good performances of simple operation, precise control, and stable running. Therefore, the console has advantages of modularization, digitalization, networking, media combination, high reliability, and real-time control.
Description
Technical field
The present invention relates to broadcasting television technology field, be specifically related to a kind of digital live broadcast sound console based on IP network.
Background technology
Along with vector-borne flourishing gradually, the 5th media---network has more and more been robbed and account for vector-borne mainstream market, and crisis is felt more in the operation of the traditional media such as broadcast, TV.So the traditional media such as broadcast, TV all take the mode that digitlization, networking, integration networks media resource etc. merge new media to tackle, obviously also achieve positive effect.
At present, the Media News such as radio station, TV station is gathered and edited, live line, reports live and waits none not to be Network Transmitting, along with the development and apply of China 3G/4G mobile communication technology, its convenience and promptness have adapted to the transmission requirement that modern society's New Times it is reported especially.On network, some emerging communication modes also start by the approach one of of traditional media as the material collection such as news, report, such as: website, and the JICQ such as QQ, micro-letter.
Sound console in broadcast, live telecast is the core of its program making, broadcast, and its device network, digitized degree also determine broadcast quality.Current most live sound console realizes digitlization substantially, multi-channel analog, digital audio input can be realized, after sound console process, generally all switch digital audio and broadcast, the demand of the development but such sound console networking and network media fusion degree are far out of step with the times.For the news material that outfield gathers, be mostly through and complete early stage, program audio needs from manufacturing system to studio's sound console to experience complicated, loaded down with trivial details transmitting procedure.The audio transmission of the multi-channel audio transmission such as live report, live line and networking also needs through multiple link and equipment conversion process, finally just can enter in studio's sound console.Which results in not high, the live time delay of efficiency of transmission serious, it is poor that real-time, interactive is experienced.
Summary of the invention
The present invention is directed to the problems referred to above of prior art, a kind of multiple audio signal such as multi-path digital, simulation input of possessing is provided, and can be used for audio signal input and output a large amount of in the IP network such as the Internet or mobile Internet and process, merge the live sound console of new media and the network communications technology.It directly can receive the voice data from the Internet or mobile Internet, and carries out data transaction, is directly used in living broadcast interactive or broadcast.Effectively can solve voice in live line to broadcast, and the problem that network plug-and-play voice interface is complicated, loaded down with trivial details, or network audio cannot be used for live problem.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
The present invention is based on the digital live broadcast sound console of IP network, it comprises: control desk, audio frequency main frame, PC control end and removable or portable touch control display terminal.
Control desk is connected by DB-9 interface with audio frequency main frame, forms split type sound console.
Audio frequency main frame is connected with PC control end by grid line or the network switch, configures various parameters, can realize control based on network by PC control end.
Audio frequency main frame access IP network, input/output signal is based on the IP audio signal of AES67 agreement; It enriches and extends input and output voice-grade channel number, realizes networking, digitized live sound console completely.
Audio frequency main frame can provide broadcast, hot line, auxiliary, host monitors, studio monitors, Studio monitors totally 6 tunnel specialty output buss.
Touch control display terminal connects audio frequency main frame by WLAN or wired local area network, adopt the AOIP technology based on AES67 agreement to carry out network audio signal and sound console mutual.
Touch control display terminal, it can also by graphical interfaces intuitively, and touch key-press carries out the operation of the hairclipper of virtual sound console, button and optimum configurations.
Described control desk, it comprises: one piece of top control module, optional multiple hairclipper module; All be connected to each other by BD-9 interface between them, be finally connected with the CAN of audio frequency main frame.
A hairclipper module of control desk has 4 road signal hairclippers and controls button, the control panel of sound console can be made up of a top control module and several hairclipper modules, can according to the port number of the input and output board of audio frequency main frame apolegamy and network audio signalling channel number, the multiple combinations such as flexible composition 4 tunnel, 8 tunnels, 12 tunnels, 16 tunnels, 20 tunnels, 32 tunnels, can form 32 road signal hairclippers by 8 pieces of hairclipper modules and control button at most.
Control desk, also comprises the large screen display system of LCD, replaces extraposition list bridge and shows various state in real time, also can physical address, signal name, the attribute information of each road signal of Chinese display directly perceived.
Described audio frequency main frame, it comprises: master control borad and optional digital tablet, analog input plate, microphone tablet, digital output board, modulating output plate; They all pass through DB-25 in mainframe box and arrange needle interface connection.
Master control borad, it comprises: ARM, FPGA, DSP, CAN module one, CAN module two, mixed-media network modules mixed-media one, mixed-media network modules mixed-media two, AOIP data processing module, synchronizing signal interface module, console interface, input interface, output interface.
ARM is connected with FPGA, CAN module one, CAN module two, mixed-media network modules mixed-media two respectively, and it is for bus marco, scheduling, control signal process, I/O signal transacting.
FPGA is connected with ARM, AOIP data processing module, synchronizing signal interface module, input interface, output interface, DSP respectively, and it is for data signal distribution and transfer of data.
DSP and FPGA connects, and it is for voice data process, gain, audio mixing etc.
Console interface is connected with CAN module one, here console interface is the DB-9 interface that audio frequency main frame is connected with control desk, and CAN module one is for identifying, transmitting that the external equipment such as main control module in control desk, multiple hairclipper modules is connected to the CAN device address after audio frequency main frame and control signal.
CAN module two is connected with ARM, links for managing the inner input/output board of audio frequency main frame the device address and control signal that connect CAN.
Mixed-media network modules mixed-media one is connected with AOIP data processing module, and mixed-media network modules mixed-media one receives the network audio data based on AES67 agreement of IP network, through AOIP data processing module to the process such as network audio signal decompress(ion), decoding, signal conversion after, become I
2process accordingly in the signal input FPGA of S, wherein signal is sent to DSP through FPGA and carries out audio frequency process under the control of ARM again; After process, signal sends back in FPGA by DSP, and FPGA is again by I
2s signal sends to AOIP data processing module to convert IP voice data to after signal conversion, coding, packing process, then is sent in IP network through mixed-media network modules mixed-media one.
Mixed-media network modules mixed-media two is connected with ARM, and mixed-media network modules mixed-media two is also connected with PC control end, carries out the every setting of sound console by graphically arranging software, realizes parameter preservation, importing, network remote maintenance.
Synchronizing signal interface module it comprise XLR interface and signal conversion chip, input sync signal source, carry out inside and outside synchronous.
Input interface and output interface are all DB-25 connection mouth, connecting analog or digital IO board, comprise analog input card, digital input card, microphone input card, analog output card, digital output card, can according to required port number and channel signal mode, selection inputs or outputs board, every block board can provide 4 road signals to input or output, optional 4 tunnels, 8 tunnels, 12 tunnels, 16 tunnels, 20 tunnels, the inputing or outputing of 32 railway digitals or analog signal; Be after digital AES/EBU signal, analog linearity signal or simulation microphone signal all carry out signal transacting by corresponding input card, and be finally converted to I
2s signal is by inputing in FPGA, under the control of ARM and CAN module two, all signals are sent in DSP and carries out audio frequency process, comprise: mixing, dynamically scaling down processing, gain, level adjustment etc., after DSP process completes, again transmit signals to for distributing and exporting in FPGA, after corresponding digital output card or analog output card carry out conversion process according to board state and parameters to output signal, export corresponding numeral or simulated audio signal.
The present invention has following advantage and exists: achieve a kind of split type, digitlization, networking the digital live broadcast sound console based on IP network of compatible existing audio frequency access way, a set of perfect sound console solution is provided for broadcasting station, TV station etc. are live, and adopt advanced AOIP technology, realize the access of live sound console IP network audio frequency and export, adapt to current broadcasting and TV studio digitlization, networking tendency, greatly facilitated network audio and directly enter sound console for live audio broadcasting with interactive.Present invention also offers a kind of touch control display terminal, IP network can be connected, removable or portable alternative touch screen operation, the operation of graphical virtual sound console hairclipper and control button is provided, network instant communication instrument, online music etc. are also provided to broadcast audio frequency mutual, for Broadcast Control personnel or host provide a kind of comfortable, easily, be conducive to the mode of operation of the mutual sound console of network audio.
Accompanying drawing explanation
Fig. 1 is the application deployment schematic diagram of the embodiment of the present invention.
Fig. 2 is the module diagram of the master control borad of the audio frequency main frame of the embodiment of the present invention.
Embodiment
As shown in Figure 1, based on the digital live broadcast sound console of IP network in the embodiment of the present invention, comprise control desk, audio frequency main frame, the network switch, PC control end, earphone, microphone, ONU On-Air Workstation, IP network, CD, telephone set, digital telephone bridger, monitor speaker, digital broadcasting delayer etc.
Described control desk is connected with audio frequency main frame, for hairclipper, controls the control signals such as button and display transmission.
Described audio frequency main frame is connected with the network switch, the network switch is connected with PC control end again, and the software that graphically arranges of PC control end carries out the parameters such as hairclipper binding, DSP audio, intercommunication setting, scene setting and preserves, imports, realizes network remote management and utilization to sound console.
Described microphone is connected to the microphone input card of audio frequency main frame, realizes the live transmitting voice signal of host.
Described ONU On-Air Workstation, CD, digital telephone bridger are connected respectively to analog input card or the digital input card of audio frequency main frame, realize program audio and broadcast with direct phone interactive.
Described IP network connects audio frequency main frame by network interface, for the IP network audio transmission based on AES67, wherein can carry out IP network voice communication with being provided with the PC of corresponding software or specific mobile terminal etc.
Described earphone, monitor speaker are connected to the analog output card of audio frequency main frame, monitor for Studio or moderator audio.
Described digital broadcasting delayer is connected to the machine numeral output card of audio frequency master, will be used to broadcast after sound console audio frequency exports digital broadcasting delayer to.
As described in Figure 2, be made up of ARM, FPGA, DSP, CAN module one, CAN module two, mixed-media network modules mixed-media one, mixed-media network modules mixed-media two, AOIP data processing module, synchronizing signal interface module, console interface, input interface, output interface based on the master control borad module of the audio frequency main frame of the digital live broadcast sound console of IP network in the embodiment of the present invention.
ARM is connected with FPGA, CAN module one, CAN module two, mixed-media network modules mixed-media two respectively.
FPGA is connected with ARM, AOIP data processing module, synchronizing signal interface module, input interface, output interface, DSP respectively.
DSP it be connected with FPGA, it is for voice data process, gain, audio mixing etc.
Console interface selects DB-9 interface to be connected with CAN module one.
CAN module one is for controlling, managing outside CAN equipment.
CAN module two is connected with ARM, links for managing the inner input/output board of audio frequency main frame the device address and control signal that connect CAN.
Mixed-media network modules mixed-media one comprises network interface chip and RJ45 interface two parts composition, or be made up of wireless network interface chip and antennal interface, it is connected with AOIP data processing module, mixed-media network modules mixed-media one receives the network audio data based on AES67 agreement of IP network, through AOIP data processing module to the process such as network audio signal decompress(ion), decoding, signal conversion after, become I
2process accordingly in the signal input FPGA of S, wherein signal is sent to DSP through FPGA and carries out audio frequency process under the control of ARM again; After process, signal sends back in FPGA by DSP, and FPGA is again by I
2s signal sends to AOIP data processing module to convert IP voice data to after signal conversion, coding, packing process, then is sent in IP network through mixed-media network modules mixed-media one.
AOIP data processing module adopts system-level SOC micro-chip processor, realizes based on the complicated audio frequency work for the treatment of of the packing of network audio data encapsulation, decompress(ion), encoding and decoding, the signal conversion etc. of AES67 agreement.
Mixed-media network modules mixed-media two comprises network interface chip and RJ45 interface two parts composition, and it is connected with ARM, and mixed-media network modules mixed-media two is also connected with PC control end, carries out the every setting of sound console by graphically arranging software, realizes parameter preservation, importing, network remote maintenance.
Synchronizing signal interface module it comprise XLR interface and signal conversion chip, input sync signal source, carry out inside and outside synchronous.
Input interface and output interface are all DB-25 connection mouth, connecting analog or digital IO board, comprise analog input card, digital input card, microphone input card, analog output card, digital output card, can according to required port number and channel signal mode, selection inputs or outputs board, every block board can provide 4 road signals to input or output, optional 4 tunnels, 8 tunnels, 12 tunnels, 16 tunnels, 20 tunnels, the inputing or outputing of 32 railway digitals or analog signal; Be after digital AES/EBU signal, analog linearity signal or simulation microphone signal all carry out signal transacting by corresponding input card, and be finally converted to I
2s signal is by inputing in FPGA, under the control of ARM and CAN module two, all signals are sent in DSP and carries out audio frequency process, comprise: mixing, dynamically scaling down processing, gain, level adjustment etc., after DSP process completes, again transmit signals to for distributing and exporting in FPGA, after corresponding digital output card or analog output card carry out conversion process according to board state and parameters to output signal, export corresponding numeral or simulated audio signal.
The present invention can realize following a kind of application: outfield paragrapher is by voice collector and transmitter, gather the field speech signal by interviewer or legman, IP voice data is passed back studio by 3G/4G network, mixed-media network modules mixed-media one on the master control borad of studio's sound console audio frequency main frame accesses the IP network of studio, then sound console is without the need to directly receiving the audio signal of the live report that outfield is passed back in real time through director system or other audio conversion devices, and host can carry out real-time voice with legman or interviewee exchanges.
The present invention can also realize following a kind of application: touch control display terminal connects studio's IP network, and can connecting Internet, touch control display terminal can application network immediate communication tool or chat software, by network real-time, interactive, the voice data of networked realtime communication is sent to the mixed-media network modules mixed-media one in sound console, mixed-media network modules mixed-media one receives network IP voice data and is sent to after AOIP data processing module processes, be resent to output bus, and controlled whether to broadcast by host or Studio.
The above is only the preferred implementation of this patent, and the protection range of this patent is also not only confined to above-described embodiment, and all technical schemes belonged under this patent thinking all belong to the protection range of this patent.It should be pointed out that the those of ordinary skill for this patent, do not departing from the some improvements and modifications under this patent principle prerequisite, these improvements and modifications also should be considered as the protection range of this patent.
Claims (10)
1., based on the digital live broadcast sound console of IP network, it comprises control desk, audio frequency main frame, PC control end; It is characterized in that:
Described control desk, it comprises: top control module, an one or more hairclipper module; They are connected by DB-9 interface mutually;
Described audio frequency main frame, it comprises: master control borad and optional digital tablet, analog input plate, microphone tablet, digital output board, modulating output plate; They are all connected by BD-25 interface;
Described control desk is connected by DB-9 interface with audio frequency main frame;
Described audio frequency main frame is connected with PC control end by IP network;
Described audio frequency main frame can input and output based on the IP audio signal of AES67 agreement.
2. the digital live broadcast sound console based on IP network according to claim 1, is characterized in that, can provide 6 tunnel specialty output buss.
3. the digital live broadcast sound console based on IP network according to claim 1, described control desk, is characterized in that, a hairclipper module has 4 road signal hairclippers and controls button, can form 4-32 road signal hairclipper by 1-8 hairclipper module and control button.
4. the digital live broadcast sound console based on IP network according to claim 1, described control desk, also comprises the large screen display system of LCD, it is characterized in that, can physical address, signal name, the attribute information of each road signal of Chinese display directly perceived.
5. for the master control borad of the audio frequency main frame of the digital live broadcast sound console based on IP network, it comprises: ARM, FPGA, DSP, CAN module one, CAN module two, mixed-media network modules mixed-media one, mixed-media network modules mixed-media two, AOIP data processing module, synchronizing signal interface module, console interface, input interface, output interface; It is characterized in that:
Described ARM is connected with FPGA, CAN module one, CAN module two, mixed-media network modules mixed-media two respectively;
Described FPGA is connected with ARM, AOIP data processing module, synchronizing signal interface module, input interface, output interface, DSP respectively;
Described DSP and FPGA connects;
Described console interface is connected with CAN module one;
Described mixed-media network modules mixed-media one is connected with AOIP data processing module.
6. the master control borad of audio frequency main frame according to claim 5, is characterized in that, the mixed-media network modules mixed-media two of described master control borad connects PC control end; The console interface model calling control desk of described master control borad.
7. the master control borad of audio frequency main frame according to claim 5, is further characterized in that, processing IP network audio signal of described AOIP data processing module.
8. the master control borad of audio frequency main frame according to claim 5, is further characterized in that,
CAN module one is connected to the CAN device address after audio frequency main frame and control signal for the external equipment such as main control module, multiple hairclipper modules in supervisor console;
CAN module two is for the device address and the control signal that manage the inner input interface of audio frequency main frame, output interface connects CAN.
9. the touch control display terminal for the digital live broadcast sound console based on IP network; It is characterized in that, it connects audio frequency main frame by IP network, and it can provide touch-control graphical interfaces, and virtual sound console hairclipper, every button control.
10. touch control display terminal according to claim 9, is further characterized in that: it can receive and dispatch based on the IP audio signal in the IP network of AES67 agreement, carries out audio transmission with mutual with audio frequency main frame.
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| CN107682104A (en) * | 2017-09-15 | 2018-02-09 | 苏州市福川科技有限公司 | Multi-channel audio distance transmission system based on AoIP technologies |
| CN108012185A (en) * | 2017-11-30 | 2018-05-08 | 杭州众传数字设备有限公司 | A kind of network audio decoder |
| CN109327272A (en) * | 2018-09-03 | 2019-02-12 | 广州市保伦电子有限公司 | A kind of IP network sound console |
| CN109753187A (en) * | 2019-01-31 | 2019-05-14 | 广州追梦软件技术有限公司 | A kind of global level corresponding channel automatic switchover hairclipper layer of digital sound console touch |
| CN110892652A (en) * | 2017-07-11 | 2020-03-17 | 无线电广播技术研究所有限公司 | Method and device for deriving audio parameter values from an audio information signal compatible with AES67 |
| CN112017673A (en) * | 2020-09-07 | 2020-12-01 | 江苏小梦科技有限公司 | Frequency modulation stereo encoder based on internet software design |
| CN113473168A (en) * | 2021-07-02 | 2021-10-01 | 北京达佳互联信息技术有限公司 | Live broadcast method and system, live broadcast method executed by portable equipment and portable equipment |
| CN115695900A (en) * | 2022-10-28 | 2023-02-03 | 上海乐不可言电竞信息科技有限公司 | Voice playback system after large-scale multi-person electronic competitive race and working method thereof |
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| CN115695900A (en) * | 2022-10-28 | 2023-02-03 | 上海乐不可言电竞信息科技有限公司 | Voice playback system after large-scale multi-person electronic competitive race and working method thereof |
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