CN104703088A - Unified allocation method of distributed stage sound system - Google Patents
Unified allocation method of distributed stage sound system Download PDFInfo
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Abstract
The invention discloses a unified allocation method of a distributed stage control system. The stage control system comprises a stage sound central control unit, a CAN bus and a plurality of loudspeaker units; each loudspeaker unit comprises an audio signal input unit, an audio signal processing unit, a distributed control unit, a distributed control interface, a power amplifying unit and a loudspeaker, wherein the audio signal input unit is connected with the audio signal processing unit, the power amplifying unit and the loudspeaker in a sequence; each audio signal processing unit is also connected with each distributed control system; each distributed control unit is connected with the CAN bus through each distributed control interface. With the adoption of the method, the unified allocation of the plurality of loudspeaker units of the stage sound system can be achieved; the best system sound can be achieved by the overall scheme design; respective manual debugging at the field can be avoided; therefore, the efficiency can be increased; the system has a wide application prospect.
Description
Technical field
The present invention relates to Stage Equipment Control field, particularly relate to a kind of distributed stage audio system system one concocting method.
Background technology
Current stage sound effect system generally can comprise multiple loudspeaker unit, in order to realize predetermined sound effect, as follows to the conventional method of adjustment of the stage sound effect system that multiple loudspeaker unit forms: (1) first adjusts input processing parameter and the output processing parameter of the audio signal processing unit of single loud speaker; (2) effect of stage sound effect system is tested, adjust with the audio signal processing unit parameter of further refinement test data to associated loudspeaker by rule of thumb; (3) again the whole structure of stage sound effect system is tested, according to test result, again the audio signal processing unit parameter of loudspeaker unit is adjusted.That is, for realizing preferably system acoustic effect, needing constantly according to overall acoustic efficiency, repeatedly the parameter of the audio signal processing unit of each loud speaker being adjusted.
There is following problem in the concocting method of this stage sound effect system:
(1) system deployment operations is loaded down with trivial details, complicated, and workload is large.Because the factor of influential system acoustic efficiency is a lot, adjust which loud speaker, and which parameter of adjustment loud speaker, there is no clear stipulaties, can only engineering staff can only loud speaker or region-by-region (loud speaker in region is also adjust one by one) adjust one by one, again each loud speaker is adjusted according to test result again after adjustment, namely need the acoustic efficiency of constantly duplicate measurements system and adjust each loud speaker, just can reach preferably system audio.
(2) even if system is through repeatedly adjusting allotment, but still can not ensure to obtain preferably acoustic efficiency.As mentioned above, the factor affecting acoustic efficiency is a lot, and many times, for saving time, engineering staff often rule of thumb judges which answers which parameter of which loud speaker of described adjustment.Even if engineering staff one by one loud speaker adjusts, but because stage sound effect system is a systematic engineering of business, can influence each other between each loud speaker, and engineering staff is when adjusting each loud speaker, be difficult to prediction and judge the loud speaker after adjusting, what impact (or what impact other loud speakers can produce to this loud speaker) can be produced on other loud speakers, therefore can only estimate by rule of thumb.Therefore, this concocting method, much less ordinary person, even if for the personnel through professional training, also cannot ensure and can obtain gratifying system audio.
Therefore simplify stage sound effect system loud speaker deployment operations, improve debugging efficiency, and safeguards system debugging effect is a technical problem urgently to be resolved hurrily.
Dcs is by multiple control loop in multiple stage computer respectively production control process, can concentrate again simultaneously and obtain data, centralized management and central controlled automatic control system.The target of described system is the controlling functions to scene, realizes Long-distance Control, and it is one, and what be made up of process control level and process monitoring level take communication network as the multi-level computer system of tie.Along with the development of distributed control technology, effective solution is provided for the system be made up of multiple subsystem (unit).
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, propose a kind of distributed stage sound effect system unified allocation of resources method, described stage sound effect system comprises stage audio central control unit, CAN and multiple loudspeaker unit, and each loudspeaker unit comprises audio data input unit, audio signal processing unit, distributed control unit, distributed AC servo system interface, power amplification unit and loudspeaker; Described audio data input unit connects audio signal processing unit, power amplification unit and loudspeaker successively, and described audio signal processing unit also connects distributed control unit, and described distributed control unit connects CAN by distributed AC servo system interface; Wherein, described concocting method is design and adjustment by carrying out audio effect processing parameter at stage audio central control unit, and by CAN, described audio effect processing parameter is sent to multiple loudspeaker unit.
According to the embodiment of the present invention, described audio effect processing parameter by carrying out design and the adjustment of audio effect processing parameter at stage audio central control unit, and is sent to multiple loudspeaker unit by CAN and specifically comprises the following steps by described concocting method:
Steps A 10: stage sound effect system simulation mapping graph set up by described stage audio central control unit, described stage sound effect system simulation mapping graph comprises multiple loud speaker simulation mapping graph, each loud speaker simulation mapping graph is corresponding with the loudspeaker unit of in stage sound effect system, each loud speaker simulation mapping graph comprises one group of analog input process parameter, described group of analog input process parameter comprises multiple simulated audio signal deal with data, each simulated audio signal deal with data comprises a loud speaker level Audio Signal Processing parameter, a group level Audio Signal Processing parameter, each simulated audio signal deal with data of loud speaker simulation mapping graph respectively with each real audio signal deal with data one_to_one corresponding of loudspeaker unit,
Steps A 20: select to regenerate or revise group's simulation mapping graph, perform steps A 30; Select to revise Audio Signal Processing parameter, perform steps A 40;
Steps A 30: if regenerate group's simulation mapping graph, perform steps A 31; Revise group's simulation map nodes, perform steps A 32;
Steps A 31: set up group's simulation mapping graph, and one or more loud speaker simulation mapping graph is simulated mapping graph with described group carry out corresponding, described group simulation mapping graph comprises multiple group level Audio Signal Processing parameter, and described multiple group level Audio Signal Processing parameter simulates each group level Audio Signal Processing parameter one_to_one corresponding that mapping graph analog input process parameter comprises respectively with loud speaker and type is identical; Each group level Audio Signal Processing optimum configurations corresponding to each loud speaker simulation mapping graph of same group simulation mapping graph becomes to simulate the identical numerical value of group level Audio Signal Processing parameter corresponding in mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 32: selected group simulation mapping graph, if newly-increased loud speaker node, then corresponds to described group simulation mapping graph by described loud speaker simulation mapping graph; If delete loud speaker node, then cancel described loud speaker simulation mapping graph and simulate the corresponding of mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 40: revise loud speaker level Audio Signal Processing parameter if select, then perform steps A 41; Revise group level Audio Signal Processing parameter if select, then perform steps A 42;
Steps A 41: revise the loud speaker level Audio Signal Processing parameter select, and revised data are saved to loud speaker belonging to described loud speaker level Audio Signal Processing parameter and simulate in mapping graph corresponding loud speaker level Audio Signal Processing parameter; Perform steps A 43;
Steps A 42: determine group level Audio Signal Processing parameter selected by revising, now, if described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of group's simulation mapping graph, performs steps A 421; If described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of loud speaker simulation mapping graph, perform steps A 422;
Steps A 421: revised data are saved in the group level Audio Signal Processing parameter that belonging to described group level Audio Signal Processing parameter, group's simulation mapping graph is corresponding, and mapping graph corresponding group level Audio Signal Processing parameter simulated by synchronous described group simulation each loud speaker corresponding to mapping graph of revising; Perform steps A 43;
Steps A 422: if described loud speaker simulation mapping graph has corresponded to group's simulation mapping graph, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter, and group level Audio Signal Processing parameter corresponding to mapping graph simulated by the described group's simulation mapping graph of synchronous correction and each corresponding loud speaker thereof; If described loud speaker simulation mapping graph is not simulated mapping graph with group and is carried out corresponding, if now described group level Audio Signal Processing parameter can be corrected, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter; Perform steps A 43;
Steps A 43: the loud speaker simulation mapping graph revised occurs the simulated audio signal deal with data for analog input process parameter:
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph comprises loud speaker level Audio Signal Processing parameter, group level Audio Signal Processing parameter, in the Audio Signal Processing parameter synchronization of change in the so described simulated audio signal deal with data diaphone audio signalprocessing parameter to corresponding real audio signal deal with data;
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph only comprises loud speaker level Audio Signal Processing parameter, so first each layer Audio Signal Processing parameter superposition calculation of described simulated audio signal deal with data is obtained new Audio Signal Processing parameter, and by described new Audio Signal Processing parameter synchronization in the loud speaker level Audio Signal Processing parameter of corresponding real audio signal deal with data; Perform steps A 20 or steps A 50;
Steps A 50: the described loud speaker level Audio Signal Processing parameter after adjustment and group level Audio Signal Processing parameter are sent to described distributed AC servo system interface as control signal by CAN.
By distributed stage sound effect system unified allocation of resources method of the present invention, achieve loudspeaker unit unified allocation of resources multiple in stage sound effect system, by the conceptual design of entirety, best system audio can be reached, and debug one by one without the need to manual site, improve efficiency, be with a wide range of applications.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the stage sound effect system structural representation according to embodiment of the present invention;
Figure 2 illustrate the distributed stage sound effect system unified allocation of resources method flow diagram according to embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, propose a kind of distributed stage sound effect system unified allocation of resources method, described stage sound effect system comprises stage audio central control unit, CAN and multiple loudspeaker unit, each loudspeaker unit comprises audio data input unit, audio signal processing unit, distributed control unit, distributed AC servo system interface, power amplification unit and loudspeaker, as shown in Figure 1; Described audio data input unit connects audio signal processing unit, power amplification unit and loudspeaker successively, and described audio signal processing unit also connects distributed control unit, and described distributed control unit connects CAN by distributed AC servo system interface; Wherein,
Described audio data input unit for receiving the audio signal of loud speaker outside input, and transfers to described audio signal processing unit;
Described audio signal processing unit is provided with data memory module and input processing module, described data memory module is for storing the Audio Signal Processing parameter received from distributed control unit, and described Audio Signal Processing parameter comprises loud speaker level Audio Signal Processing parameter and group level Audio Signal Processing parameter; Described loud speaker level Audio Signal Processing parameter is the Audio Signal Processing parameter arranged for described loudspeaker unit, and described group level Audio Signal Processing parameter is each loud speaker node for group belonging to described loudspeaker unit and the Audio Signal Processing parameter arranged; Described input processing module comprises the sound effect processor of multiple series connection, each sound effect processor respectively with described loud speaker level Audio Signal Processing parameter and group level Audio Signal Processing parameter one_to_one corresponding, each sound effect processor be used for according to the Audio Signal Processing parameter of correspondence, corresponding signal processing operations is carried out to audio signal;
Described power amplification unit for receiving the audio signal through described input processing module process, and transfers to described loudspeaker after described audio signal being carried out amplification process;
Described distributed control unit is used for adjusting according to external control signal each Audio Signal Processing parameter to described group of input processing parameter;
Described distributed AC servo system interface is used for receiving the control signal of stage audio central control unit transmission from CAN and transferring to described distributed control unit;
Described concocting method specifically comprises the following steps, as shown in Figure 2:
Steps A 10: stage sound effect system simulation mapping graph set up by described stage audio central control unit, described stage sound effect system simulation mapping graph comprises multiple loud speaker simulation mapping graph, each loud speaker simulation mapping graph is corresponding with the loudspeaker unit of in stage sound effect system, each loud speaker simulation mapping graph comprises one group of analog input process parameter, described group of analog input process parameter comprises multiple simulated audio signal deal with data, each simulated audio signal deal with data comprises a loud speaker level Audio Signal Processing parameter, a group level Audio Signal Processing parameter, each simulated audio signal deal with data of loud speaker simulation mapping graph respectively with each real audio signal deal with data one_to_one corresponding of loudspeaker unit,
Steps A 20: select to regenerate or revise group's simulation mapping graph, perform steps A 30; Select to revise Audio Signal Processing parameter, perform steps A 40;
Steps A 30: if regenerate group's simulation mapping graph, perform steps A 31; Revise group's simulation map nodes, perform steps A 32;
Steps A 31: set up group's simulation mapping graph, and one or more loud speaker simulation mapping graph is simulated mapping graph with described group carry out corresponding, described group simulation mapping graph comprises multiple group level Audio Signal Processing parameter, and described multiple group level Audio Signal Processing parameter simulates each group level Audio Signal Processing parameter one_to_one corresponding that mapping graph analog input process parameter comprises respectively with loud speaker and type is identical; Each group level Audio Signal Processing optimum configurations corresponding to each loud speaker simulation mapping graph of same group simulation mapping graph becomes to simulate the identical numerical value of group level Audio Signal Processing parameter corresponding in mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 32: selected group simulation mapping graph, if newly-increased loud speaker node, then corresponds to described group simulation mapping graph by described loud speaker simulation mapping graph; If delete loud speaker node, then cancel described loud speaker simulation mapping graph and simulate the corresponding of mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 40: revise loud speaker level Audio Signal Processing parameter if select, then perform steps A 41; Revise group level Audio Signal Processing parameter if select, then perform steps A 42;
Steps A 41: revise the loud speaker level Audio Signal Processing parameter select, and revised data are saved to loud speaker belonging to described loud speaker level Audio Signal Processing parameter and simulate in mapping graph corresponding loud speaker level Audio Signal Processing parameter; Perform steps A 43;
Steps A 42: determine group level Audio Signal Processing parameter selected by revising, now, if described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of group's simulation mapping graph, performs steps A 421; If described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of loud speaker simulation mapping graph, perform steps A 422;
Steps A 421: revised data are saved in the group level Audio Signal Processing parameter that belonging to described group level Audio Signal Processing parameter, group's simulation mapping graph is corresponding, and mapping graph corresponding group level Audio Signal Processing parameter simulated by synchronous described group simulation each loud speaker corresponding to mapping graph of revising; Perform steps A 43;
Steps A 422: if described loud speaker simulation mapping graph has corresponded to group's simulation mapping graph, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter, and group level Audio Signal Processing parameter corresponding to mapping graph simulated by the described group's simulation mapping graph of synchronous correction and each corresponding loud speaker thereof; If described loud speaker simulation mapping graph is not simulated mapping graph with group and is carried out corresponding, if now described group level Audio Signal Processing parameter can be corrected, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter; Perform steps A 43;
Steps A 43: the loud speaker simulation mapping graph revised occurs the simulated audio signal deal with data for analog input process parameter:
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph comprises loud speaker level Audio Signal Processing parameter, group level Audio Signal Processing parameter, in the Audio Signal Processing parameter synchronization of change in the so described simulated audio signal deal with data diaphone audio signalprocessing parameter to corresponding real audio signal deal with data;
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph only comprises loud speaker level Audio Signal Processing parameter, so first each layer Audio Signal Processing parameter superposition calculation of described simulated audio signal deal with data is obtained new Audio Signal Processing parameter, and by described new Audio Signal Processing parameter synchronization in the loud speaker level Audio Signal Processing parameter of corresponding real audio signal deal with data; Perform steps A 20 or steps A 50;
Steps A 50: the described loud speaker level Audio Signal Processing parameter after adjustment and group level Audio Signal Processing parameter are sent to described distributed AC servo system interface as control signal by CAN.
According to the preferred embodiment of the present invention, the described input processing parameter of described loudspeaker unit comprises following one or more real audio signal deal with data: input silence data, input gain data, input delay data, input subtractive polarity data, input loss offset data, input amplitude-limiting data, equalization data;
The input processing module of described audio signal processing unit comprises the sound effect processor corresponding with each Audio Signal Processing parameter of the real audio signal deal with data that described input processing parameter comprises:
The each input comprised for described input silence data is mourned in silence parameter, and the sound effect processor corresponding with it is to mourn in silence sound effect processor to the mourn in silence input of switch process of audio signal for parameter of mourning in silence according to described input;
For each input gain parameter that described input gain data comprise, the sound effect processor corresponding with it is the input gain sound effect processor for carrying out input gain process to audio signal according to described input gain parameter;
For each input delay parameter that described input delay data comprise, the sound effect processor corresponding with it is the input delay sound effect processor for carrying out input delay process to audio signal according to described input delay parameter;
For each input subtractive polarity parameter that described input subtractive polarity data comprise, the sound effect processor corresponding with it is the input subtractive polarity sound effect processor for carrying out subtractive polarity operational processes to audio signal according to described input subtractive polarity parameter;
For each input loss compensating parameter that described input loss offset data comprises, the sound effect processor corresponding with it is for compensating sound effect processor according to described input loss compensating parameter to the input loss that audio signal carries out loss compensation process;
For each input amplitude-limiting parameter that described input amplitude-limiting data comprise, the sound effect processor corresponding with it is the input amplitude-limiting sound effect processor for carrying out amplitude restriction process to audio signal according to described input amplitude-limiting parameter;
For each balance parameters, the sound effect processor corresponding with it is the balanced sound effect processor for carrying out amplitude restriction process to audio signal according to described balance parameters.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (2)
1. a distributed stage sound effect system unified allocation of resources method, described stage sound effect system comprises stage audio central control unit, CAN and multiple loudspeaker unit, and each loudspeaker unit comprises audio data input unit, audio signal processing unit, distributed control unit, distributed AC servo system interface, power amplification unit and loudspeaker; Described audio data input unit connects audio signal processing unit, power amplification unit and loudspeaker successively, and described audio signal processing unit also connects distributed control unit, and described distributed control unit connects CAN by distributed AC servo system interface; Wherein, described concocting method is design and adjustment by carrying out audio effect processing parameter at stage audio central control unit, and by CAN, described audio effect processing parameter is sent to multiple loudspeaker unit.
2. the method for claim 1, described audio effect processing parameter by carrying out design and the adjustment of audio effect processing parameter at stage audio central control unit, and is sent to multiple loudspeaker unit by CAN and specifically comprises the following steps by described concocting method:
Steps A 10: stage sound effect system simulation mapping graph set up by described stage audio central control unit, described stage sound effect system simulation mapping graph comprises multiple loud speaker simulation mapping graph, each loud speaker simulation mapping graph is corresponding with the loudspeaker unit of in stage sound effect system, each loud speaker simulation mapping graph comprises one group of analog input process parameter, described group of analog input process parameter comprises multiple simulated audio signal deal with data, each simulated audio signal deal with data comprises a loud speaker level Audio Signal Processing parameter, a group level Audio Signal Processing parameter, each simulated audio signal deal with data of loud speaker simulation mapping graph respectively with each real audio signal deal with data one_to_one corresponding of loudspeaker unit,
Steps A 20: select to regenerate or revise group's simulation mapping graph, perform steps A 30; Select to revise Audio Signal Processing parameter, perform steps A 40;
Steps A 30: if regenerate group's simulation mapping graph, perform steps A 31; Revise group's simulation map nodes, perform steps A 32;
Steps A 31: set up group's simulation mapping graph, and one or more loud speaker simulation mapping graph is simulated mapping graph with described group carry out corresponding, described group simulation mapping graph comprises multiple group level Audio Signal Processing parameter, and described multiple group level Audio Signal Processing parameter simulates each group level Audio Signal Processing parameter one_to_one corresponding that mapping graph analog input process parameter comprises respectively with loud speaker and type is identical; Each group level Audio Signal Processing optimum configurations corresponding to each loud speaker simulation mapping graph of same group simulation mapping graph becomes to simulate the identical numerical value of group level Audio Signal Processing parameter corresponding in mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 32: selected group simulation mapping graph, if newly-increased loud speaker node, then corresponds to described group simulation mapping graph by described loud speaker simulation mapping graph; If delete loud speaker node, then cancel described loud speaker simulation mapping graph and simulate the corresponding of mapping graph with described group; Then steps A 20 or steps A 50 is performed;
Steps A 40: revise loud speaker level Audio Signal Processing parameter if select, then perform steps A 41; Revise group level Audio Signal Processing parameter if select, then perform steps A 42;
Steps A 41: revise the loud speaker level Audio Signal Processing parameter select, and revised data are saved to loud speaker belonging to described loud speaker level Audio Signal Processing parameter and simulate in mapping graph corresponding loud speaker level Audio Signal Processing parameter; Perform steps A 43;
Steps A 42: determine group level Audio Signal Processing parameter selected by revising, now, if described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of group's simulation mapping graph, performs steps A 421; If described group level Audio Signal Processing parameter is the Audio Signal Processing parameter of loud speaker simulation mapping graph, perform steps A 422;
Steps A 421: revised data are saved in the group level Audio Signal Processing parameter that belonging to described group level Audio Signal Processing parameter, group's simulation mapping graph is corresponding, and mapping graph corresponding group level Audio Signal Processing parameter simulated by synchronous described group simulation each loud speaker corresponding to mapping graph of revising; Perform steps A 43;
Steps A 422: if described loud speaker simulation mapping graph has corresponded to group's simulation mapping graph, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter, and group level Audio Signal Processing parameter corresponding to mapping graph simulated by the described group's simulation mapping graph of synchronous correction and each corresponding loud speaker thereof; If described loud speaker simulation mapping graph is not simulated mapping graph with group and is carried out corresponding, if now described group level Audio Signal Processing parameter can be corrected, then revised data are saved in described loud speaker simulation mapping graph corresponding group level Audio Signal Processing parameter; Perform steps A 43;
Steps A 43: the loud speaker simulation mapping graph revised occurs the simulated audio signal deal with data for analog input process parameter:
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph comprises loud speaker level Audio Signal Processing parameter, group level Audio Signal Processing parameter, in the Audio Signal Processing parameter synchronization of change in the so described simulated audio signal deal with data diaphone audio signalprocessing parameter to corresponding real audio signal deal with data;
If the corresponding real audio signal deal with data in loudspeaker unit corresponding to the described simulated audio signal deal with data of described loud speaker simulation mapping graph only comprises loud speaker level Audio Signal Processing parameter, so first each layer Audio Signal Processing parameter superposition calculation of described simulated audio signal deal with data is obtained new Audio Signal Processing parameter, and by described new Audio Signal Processing parameter synchronization in the loud speaker level Audio Signal Processing parameter of corresponding real audio signal deal with data; Perform steps A 20 or steps A 50;
Steps A 50: the described loud speaker level Audio Signal Processing parameter after adjustment and group level Audio Signal Processing parameter are sent to described distributed AC servo system interface as control signal by CAN.
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