CN106937204B - Panorama multichannel sound effect method for controlling trajectory - Google Patents
Panorama multichannel sound effect method for controlling trajectory Download PDFInfo
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- CN106937204B CN106937204B CN201511028156.1A CN201511028156A CN106937204B CN 106937204 B CN106937204 B CN 106937204B CN 201511028156 A CN201511028156 A CN 201511028156A CN 106937204 B CN106937204 B CN 106937204B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The present invention relates to Audiotechnica fields, specifically a kind of panorama multichannel sound effect method for controlling trajectory, the control method is configured by output level value of the console to each speaker node of entity sound box system, move acoustic image in the way of setting in the total duration of setting or static, it is characterized in that, the control method includes: to generate acoustic image track data, and the acoustic image track data includes variable domain acoustic image track data；In the total duration corresponding to the acoustic image track data, according to acoustic image track data, the output level of each speaker entity is adjusted；In the total duration, the output level of the incoming level for being input to each speaker physical signal and corresponding speaker entity is overlapped to obtain the level of each speaker entity reality output.The present invention can obtain more abundant, changeable acoustic image trail change, have greatly expanded the artistic representing effect of panorama multi-channel audio system.
Description
Technical field
The present invention relates to Audiotechnica field, specifically a kind of panorama multichannel sound effect method for controlling trajectory.
Background technique
In items on the program layout process, a comparison distinct issues are that each profession (refers to audio, video, light, machine
Tool etc.) between coordination and synchronously control.In large-scale performance, each profession is relatively independent, need one it is huger
Troop could ensure the smooth layout and performance of performance.And during each professional program of layout, the most of the time is all spent
Coordination between profession with it is synchronous above, and compared with being really absorbed in may be much more in the time of program itself.
Since each profession is relatively independent, control mode differs greatly.To carry out live audio-visual synchronization editor, depending on
Frequency is controlled by lamp control platform, and audio plays back editor control by more rails, and audio is easy to navigate to the arbitrary time and starts back
It puts, but frame number (can only be adjusted to corresponding position manually by operator, but cannot followed the time by video from the beginning
Code starting), this is short of enough flexibilities for live performance control.
In addition, passing through stage two sides after the speaker position of the Professional sound box system of existing video display, stage is fixed
Left and right channel is main to amplify or acoustic image is substantially set in the central location of stage by main amplify in three road of left, center, right, although performance field
Other than the master on stage amplifies, be also provided with large number of speaker at various locations, but whole field is performed, speaker
The acoustic image of system almost can seldom change.
Therefore, the run flexible control of effect of the editor and synchronously control and acoustic image for solving current items on the program is all this
Technical field key technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved by the present invention is to provide one kind can simplify the occasions such as video display, stage performance it is multi-specialized control and
The multi-specialized collaborative editing being flexibly quickly arranged and control method can be carried out to the acoustic image of sound reinforcement system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of panorama multichannel sound effect TRAJECTORY CONTROL
Method, the control method are configured by output level value of the console to each speaker node of entity sound box system, make acoustic image
It is moved in the way of setting in the total duration of setting or static, which is characterized in that the control method includes: to generate acoustic image track
Data, the acoustic image track data include variable domain acoustic image track data；In the total duration corresponding to the acoustic image track data, root
According to acoustic image track data, the output level of each speaker entity is adjusted；In the total duration, each speaker entity letter will be input to
Number incoming level and the output level of corresponding speaker entity be overlapped to obtain the level of each speaker entity reality output.
Detailed description of the invention
Fig. 1 is the multi-specialized collaborative editing and control method schematic diagram of embodiment.
Fig. 2 is the method schematic diagram of the multi-specialized collaborative editing of embodiment and the audio frequency control part of control method.
Fig. 3 is the operating method schematic diagram of the multi-specialized collaborative editing of embodiment and the audio sub-track of control method.
Fig. 4 is the method schematic diagram of the multi-specialized collaborative editing of embodiment and the video control portions of control method.
Fig. 5 is the method schematic diagram of the multi-specialized collaborative editing of embodiment and the signal light control part of control method.
Fig. 6 is the method schematic diagram of the multi-specialized collaborative editing of embodiment and the apparatus control portion point of control method.
Fig. 7 is the multi-specialized collaborative editing of embodiment and the schematic illustration for controlling control system.
Fig. 8 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the audio frequency control module of control.
Fig. 9 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the video control module of control.
Figure 10 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the lighting control module of control.
Figure 11 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the device control module of control.
Figure 12 is the multi-specialized collaborative editing of embodiment and more rails playback editor module interface schematic diagram of control method.
Figure 13 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the audio frequency control part of control system.
Figure 14 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the track matrix module of control system.
Figure 15 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the video control portions of control system.
Figure 16 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the signal light control part of control system.
Figure 17 is the schematic illustration of the multi-specialized collaborative editing of embodiment and the apparatus control portion point of control system.
Figure 18 is the step schematic diagram of the acoustic image method for controlling trajectory of embodiment.
Figure 19 is the acoustic image track data generation method step schematic diagram of embodiment.
Figure 20 is one of speaker distribution map and variable domain acoustic image track schematic diagram of embodiment.
Figure 21 be embodiment speaker distribution map and variable domain acoustic image track schematic diagram two.
Specific embodiment
The present embodiment provides one kind can simplify the occasions such as video display, stage performance it is multi-specialized control and can be to sound reinforcement system
Acoustic image carry out flexibly be quickly arranged towards video display, the multi-specialized collaborative editing of stage and control method.This method passes through collection
Editor module is played back at more rails of control platform, realizes concentration layout and control to multiple professional materials.
As shown in Figure 1, it is above-mentioned towards video display, the multi-specialized collaborative editing of stage and control method the following steps are included:
S101: time shaft is shown on the display interface of integrated control platform；
S102: the track of addition and/or deletion for being controlled corresponding performing device, the track includes audio track
One of road, track of video, light track, device track are a variety of；
S103: editing rail attribute；
S104: addition material；
S105: editor's material attribute；
S106: integrated control platform issues corresponding control instruction according to each track attribute and its material attribute.
As shown in Fig. 2 and Figure 12, the multi-specialized collaborative editing and control method may be selected to include more rail audio playback controls
(corresponding with following audio frequency control modules), at this point, method includes the following steps:
S201: addition audio track, addition is parallel in the display interface and is aligned in the one or more of the time shaft
Audio track (region) 1,2, each corresponding output channel of the audio track.
S202: editor's audio track attribute, editable audio track attribute include that lock on track, track are mute.Track
Whether mute attribute can control audio material on this track and all sub-tracks mute, be the master control of audio track.Track locks
Determine attribute can control on track except it is mute and add hide sub-track in addition to etc. outside individual attributes, in other attributes and audio track
Material position and material attribute cannot be modified.
S203: addition audio material, added in audio track 1,2 one or more audio material 111,112,113,
211,212,213,214, and audio material corresponding with the audio material is generated in audio track, occupied by the audio material
The length of audio track match with the total duration of the audio material.Before adding audio material, first from audio server
Audio material list is obtained, audio material addition is then selected from the audio material list again and enters audio track.Work as audio
After material is added to audio track, audio attribute file corresponding with the audio material will be generated, integrated control platform passes through editor
Audio attribute file is sent to the instruction of audio server to control, rather than calls directly or edit the corresponding source of audio material
File, it is ensured that the stability of the safety of source file and integrated control platform.
S204: editor audio material attribute, the audio material attribute include start position, final position, the time started,
End time, total duration, play time length.Wherein, the start position is the audio material start position (along Vertical Square
To) corresponding to the time shaft moment, the final position be the audio material final position (vertically) corresponding to when
Between the axis moment, the time started is the practical beginning playing time of the audio material on a timeline, and the end time is
The physical end play position of the audio material on a timeline.In general, the time started can be delayed in start position, terminate
Time can shift to an earlier date in final position.Total duration refers to the script time span of audio material, start position to terminal position when
Between difference be audio material total duration, play time length refers to the play time length of the audio material on a timeline,
The time difference of time started and end time are the play time length of the audio material.By adjusting time started and end
The shearing manipulation to acoustic image material may be implemented in time, i.e., only plays user and wish the part played.
It can change start position and terminal position by adjusting position of (transverse shifting) audio material in audio track
It sets, but start position will not change with the relative position of final position on a timeline, i.e., the length of audio material will not change.
At the beginning of by adjusting audio material and the end time can change the actual play time of audio material on a timeline
And its length.It can place multiple audio materials in one audio track, indicate in the period represented by time shaft, it can be with
(through corresponding output channel) plays in order multiple audio materials.It should be noted that the audio material in any audio track
Position (time location) can freely adjust, but should not be overlapped between each audio material.
Further, since integrated control platform only controls the corresponding property file of audio material, control is integrated
Platform can also carry out shearing operation and concatenation to audio material.Shearing operation refers to an audio element on audio track
Material is divided into multiple audio materials, while each audio material after segmentation has corresponding property file, at this time source file
Still intact, integrated control platform issues control command according to these new property files and source file is successively called to be played accordingly
It is operated with audio.Similar, concatenation, which refers to, is merged into an audio material, corresponding category for two audio materials
Property file mergences be a property file, pass through property file and issue control audio server and call two audio source documents
Part.
Further, multiple groups application entity behaviour corresponding with each audio track respectively can also be set on integrated control platform
Make key, to manually adjust the attribute of audio material by physical operation key.Such as increase to the audio material position in audio track
Set the material play time adjustment knob adjusted before and after (time shaft position).
S205: addition audio sub-track 12,13,14,15,21,22 adds and wherein one audio track corresponding one
A or multiple audio sub-tracks, each audio sub-track are parallel to the time shaft, and the audio sub-track is corresponding
The output channel of the audio track is corresponding.
Each audio track can have an attached audio sub-track, the type of audio sub-track include acoustic image sub-track and
Audio sub-track.Wherein, the acoustic image sub-track is used to carry out acoustic image to some or all of affiliated audio track audio material
Trajectory processing, the audio sub-track are used to carry out audio effect processing to some or all of affiliated audio track audio material.?
In this step, it can further perform the step of:
S301: addition acoustic image sub-track harmony pixel material adds one or more acoustic image materials in acoustic image sub-track
121,122, and acoustic image material corresponding with the acoustic image material is generated in the acoustic image sub-track, sound occupied by the acoustic image material
As the length of sub-track matches with total duration corresponding to the acoustic image material.
S302: editor's acoustic image sub-track attribute, similar with the audio track, editable acoustic image sub-track attribute includes
Lock on track, track are mute.
S303: editor's acoustic image material attribute, similar with the audio material, the acoustic image material attribute has also included point
It sets, final position, time started, end time, total duration, play time length.
By the acoustic image material on acoustic image sub-track, can between the acoustic image material starting and end time when
Between in section, acoustic image trajectory processing is carried out to the signal of the output of output channel corresponding to the affiliated audio track of acoustic image sub-track.Cause
This adds different types of acoustic image material on acoustic image sub-track, can carry out inhomogeneity to the signal that corresponding output channel exports
The acoustic image trajectory processing of type；And the start position by adjusting each acoustic image material, the end time, the time started and at the end of
Between, time and acoustic image path effect duration that adjustable acoustic image trajectory processing starts.
The difference of acoustic image material and audio material is that audio material represented is audio data.Acoustic image track data is
Within the period of setting length, in order to make each virtual speaker node output level in speaker distribution map be formed by acoustic image edge
Preset path is run or is remained stationary, the output level data that each speaker node changes over time.That is acoustic image track number
According to containing in speaker distribution map output level delta data of whole speaker nodes in the setting length of time section.Acoustic image
The type of track data includes fixed point acoustic image track data, becomes rail acoustic image track data and variable domain acoustic image track data, acoustic image rail
The type of mark data determines that the type of acoustic image material, the movement of acoustic image corresponding to acoustic image track data total duration determine acoustic image
Time difference between material start position and final position, the i.e. total duration of acoustic image material.Acoustic image trajectory processing refers to according to sound
As the size of track data pair each speaker entity reality output level corresponding with each speaker node is adjusted, make speaker
The acoustic image of physical system was run or is remained stationary along setting path within the period of setting length.
S304: addition audio sub-track, the type of the audio sub-track includes volume and gain sub-track 13,22, EQ
Sub-track 14,15,21, the settable volume of each audio track and gain sub-track, and one or more EQ sub-track.
Wherein, the volume and gain sub-track are for adjusting the signal level size of the corresponding output channel of affiliated audio track
Whole, the signal that the EQ sub-track is used for the output to the corresponding output channel of affiliated audio track carries out EQ audio effect processing.
S305: the attribute of editor's audio sub-track, the attribute of the audio sub-track include lock on track, track it is mute and
It further include audio effect processing parameter corresponding with audio sub-track type outside track identities.For example, volume and gain sub-track include
Audio effect processing parameter be output level size adjustment parameter, the audio effect processing parameter that EQ sub-track includes be EQ processing parameter.
Adjustable affiliated audio track of audio sub-track of sound effect parameters by modifying audio sub-track corresponds to the sound of output channel
Effect.
S206: saving data, or according to audio track and its attribute of sub-track, audio material harmony pixel material attribute is raw
Pairs of audio material corresponds to the control instruction of source file, and plays out control according to source file of the control instruction to audio material
System and acoustic image, audio effect processing control.
Control instruction includes deciding whether to call the audio source file of (broadcasting) audio material, at the beginning of source file plays
Between and end time (be subject to time shaft at the time of), the acoustic image and audio effect processing of source file, specific control instruction and each sound
The attribute of frequency track and its attached sub-track, audio material, the attribute of acoustic image material are corresponding.That is audio track is not straight
It connects calling and handles the source file of audio material, and only handle property file corresponding to the audio source file, pass through editor
The attribute of property file, addition/editor's acoustic image material and the audio track and its sub-track that adjust source file is realized to audio
Source file indirectly controls.
Such as be added to audio track audio material will enter playlist, the audio track starting play when, the sound
Frequency material will be played；By editing audio track attribute, it can control the mute attribute of audio track, can control the sound
Whether frequency track and its attached sub-track mute (effective), lock attribute by editor's audio, can control on track except mute and
Outside the hiding sub-track of addition etc. outside individual attributes, material position and material attribute in other attributes and audio track cannot be repaired
Change (lock state).More detailed description can refer to the narration of front.
As shown in Fig. 4 and Figure 12, the multi-specialized collaborative editing and control method of the present embodiment are also an option that increase video
Playback controls (corresponding with following video control modules), specifically includes the following steps:
S401: addition track of video, (in the display interface) addition is parallel and is aligned in the track of video 4 of the time shaft
(region), the track of video correspond to a controlled plant, use video server in the present invention.
S402: editor's track of video attribute, editable track of video attribute include that lock on track, track are mute.Video
Track attribute is similar with audio track attribute.
S403: addition video material, the one or more video materials 41,42,43,44 of addition in track of video, and
Generate corresponding with video material video material in track of video, the length of track of video occupied by the video material and this
The total duration of video material matches.Before adding video material, video material list first is obtained from video server, then
Video material addition is selected from the video material list again and enters track of video.After video material is added to track of video,
Video attribute file corresponding with the video material will be generated, integrated control platform is controlled by editor's video attribute file to be sent
To the instruction of video server, rather than call directly or edit the corresponding source file of video material, it is ensured that the safety of source file
Property and integrated control platform stability.
S404: editor video material attribute, the video material attribute include start position, final position, the time started,
End time, total duration, play time length.Video material attribute is similar with audio material attribute, while audio material can also
To carry out transverse shifting, cutting and concatenation, or increases on integrated control platform and adjust one group corresponding with track of video
Physical operation key, to manually adjust the attribute of video material by physical operation key.
S405: saving data, or according to track of video attribute, the attribute generation of video material corresponds to source document to video material
The control instruction of part, and control and acoustic image, audio effect processing control are played out according to source file of the control instruction to video material
System.Similar with track of video, attribute, the attribute of video material of specific control instruction audio track are corresponding.
As depicted in figure 5 and figure 12, the multi-specialized collaborative editing of the present embodiment and control method are also an option that increase light
It controls (corresponding with following lighting control modules), specifically includes the following steps:
S501: addition light track, (in the display interface) addition is parallel and is aligned in the light track 3 of the time shaft
(region), the light track correspond to a controlled plant, use light network signal adapter (such as Artnet net in the present invention
Card).
S502: editor's light track attribute, editable light track attribute include that lock on track, track are mute.Light
Track attribute is similar with audio track attribute.
S503: addition light material adds one or more light materials 31,32,33 in light track, and in light
Light material corresponding with the light material, the length and the light of light track occupied by the light material are generated in track
The total duration of material matches.Similar with audio material, video material, there is no load light materials for light track, and are
Property file corresponding with the light material source file is generated, control instruction is issued by property file to control light material source
The output of file.
Light material is the light network control data of certain time length, such as Artnet data, Artnet data envelope
Equipped with DMX data.Light material can generate in the following manner: after the good light program of conventional lights control platform layout, it is logical to integrate control platform
The light network interface that its light network interface is connected on conventional lights control platform is crossed, the signal light control letter of lamp control platform output is recorded
Number, while integrated control platform needs to stamp timing code to the light controling signal recorded in recording process, so as in light rail
The enterprising edlin control in road.
S504: editor light material attribute, the light material attribute include start position, final position, the time started,
End time, total duration, play time length.Light material attribute is similar with audio material attribute, while audio material can also
To carry out transverse shifting, cutting and concatenation, or increases on integrated control platform and adjust one group corresponding with light track
Physical operation key, to manually adjust the attribute of light material by physical operation key.
S505: saving data, or according to light track attribute, the attribute generation of light material corresponds to source document to light material
The control instruction of part, and control and acoustic image, audio effect processing control are played out according to source file of the control instruction to video material
System.Similar with track of video, attribute, the attribute of video material of specific control instruction audio track are corresponding.
As shown in Fig. 6 and Figure 12, the multi-specialized collaborative editing and control method of the present embodiment are also an option that increase device
It controls (corresponding with following apparatus control module), specifically includes the following steps:
S601: adding set track, (in the display interface) addition are parallel to one or more devices of the time shaft
Track 5 (region), the corresponding controlled device of each described device track, such as mechanical device.It is needed before adding set track
Confirm controlled device and integrated control platform establishes connection.It is integrated to control platform and connection be established by TCP by control device,
Such as integrated control platform is arranged to TCP server, each controlled device is arranged to TCP Client, the TCP client termination of controlled device
The integrated TCP server for controlling platform is actively connected to after entering network.
S602: editing device track attribute, editable device track attribute include that lock on track, track are mute.Device
Track attribute is similar with audio track attribute, if device track selects mute, the attached control sub-track of the whole of device track
Any operation is not executed.
S603: addition control sub-track adds one or more sub- rails of control corresponding with a wherein described device track
Road, each control sub-track parallel (and for) described time shaft, the corresponding described device of each control sub-track
Controlled plant corresponding to track is corresponding.
S604: addition control material according to the control material of the type addition respective type of control sub-track, and is being added
It is generated on the control sub-track added and controls sub- material accordingly, control sub-track length occupied by the control material and the control
The total duration of material matches.
The type of control sub-track includes TTL control sub-track, relay control sub-track, network-control sub-track, phase
It answers, may be added to that the control material of TTL control sub-track includes (such as TTL high level control element of TTL material 511,512,513
Material, TTL low level control material), may be added to that relay sub-track control material include relay material 521,522,
523,524 (such as relay opens control material, relay closes control material), may be added to that the control material of network-control sub-track
Including network materials 501,502,503 (such as TCP/IP communication control material, UDP communication control material, 232 communication control materials,
485 protocol communications control material etc.).Sub- material is controlled accordingly by addition, and capable of emitting corresponding control instruction controls son element
Material is substantially exactly control instruction.
S605: the sub- material attribute of editor control, attribute include start position, final position, total duration.By adjusting (horizontal
To movement) position of the sub- material of control in accordingly control sub-track can change start position and final position, but play point
Setting will not change with the relative position of final position on a timeline, i.e., the length of audio material will not change.Control material
Start position is the time shaft moment begun to send out with the corresponding control instruction of control material to corresponding controlled device, is terminated
Position is to terminate the time shaft moment for sending control instruction.
Further, incidence relation can also be set between the control material in same control sub-track, makes to be located at
The point position corresponding time shaft moment controls the corresponding control command of material earlier and is not carried out success, then (collection will not be issued
At control platform) or do not execute the later corresponding control of association control material of (controlled device) start position corresponding time shaft moment
Instruction, such as folding, the elevating control of curtain.
Further, the guard time for controlling the settable certain time length in control material front and back of sub-track, i.e., in control
Track cannot add control material in guard time or cannot issue control command.
S606: saving data, or according to control track and its attribute of control sub-track, the attribute for controlling material generates control
System instruction, and the control instruction is sent to corresponding controlled device.
In addition, the present embodiment also provides a kind of multi-specialized system editor and control system (performance integrated control system), such as
Shown in Fig. 7, which includes integrated control platform 70, and selection includes audio server 76, video server 77, signal light control mould
Block 78 and device control module 79.Wherein, the integrated control platform 70 includes Multi-track editing playback module 71, and the Multi-track editing returns
Above-mentioned performance integrated control control method sound intermediate frequency control, video control, signal light control and device control can be performed in amplification module 71
One of or various control, details are not described herein for concrete implementation step.More rail playback editor control modules include sound
Frequency control module 72, and selection include video control module 73, lighting control module 74 and device control module 75.
As shown in figure 8,72 pieces of the audio frequency control mould include audio track adding module 81, audio track attributes edit mould
Block 82, audio material adding module 83, audio material attributes edit module 84, audio sub-track adding module 85, holding data/
Audio frequency control instruction module 86 is exported, the function that these modules are realized is corresponded with abovementioned steps S201 to S206 respectively,
Details are not described herein, similarly hereinafter.
Further, the audio of the multi-specialized system editor and control system broadcasting control principle is as shown in figure 13, institute
Integrated control is stated to further include quick playback editor module, be physically entered module, more rails playback editor module, quick playback editor's mould
Real-time edition audio material is used for described in block, and it to be corresponding to the broadcasting audio material of audio server 76 to issue corresponding control instruction
Source file, the physical operations key for being physically entered module and corresponding on integrated control platform 71, for external input set at control
The source of sound of platform carries out real-time tuning control.
Correspondingly, being equipped with audio mixing matrix module, track matrix module, 3x1 in the audio server exports mix module
With physics output module, the audio mixing matrix module be can receive from the quick playback editor module, more rails playback editor's mould
Audio signal that the audio source file in the audio server that block is called by control command form exports and described
It is physically entered the audio signal of module output, the similar track matrix module also can receive above-mentioned each road audio input.Institute
Audio mixing matrix is stated for exporting after carrying out stereo process to each road audio input to the output mix module, the track matrix
Module is used to after carrying out acoustic image trajectory processing to each road audio input export to the output mix module.The output audio mixing mould
Block can receive from audio mixing matrix module, track matrix module and the audio output for being physically entered module, after 3x1 stereo process
Each physics output interface output through the physics output module.Wherein, acoustic image trajectory processing refers to according to acoustic image track number
It is adjusted according to the level of output to each speaker entity, makes the acoustic image of speaker physical system within the period of setting length
It runs or remains stationary along setting path.
In the present embodiment, the source file of audio material is stored on the audio server outside integrated control platform, and more rails return
The source file that editor module did not called directly and handled audio material is put, and only handles category corresponding to the audio source file
Property file, pass through editor adjustment source file property file, addition/editor's acoustic image material and audio track and its sub-track
Attribute realization audio source file is indirectly controlled, therefore the corresponding output channel output of each audio track only for
Then control signal/instruction of audio source file executes audio source file by receiving the audio server of the control instruction again
Various processing.
As shown in figure 14, more rail playback editor modules receive effective audio material list from audio server 76,
Audio source file is not handled directly, and audio source file is stored in the audio server, is receiving corresponding control command
After recall audio source file and carry out various audio effect processings, such as stereo process is carried out into audio mixing matrix module, into track
Matrix module carries out trajectory processing.Acoustic image material is actually also control command, can both be stored in integrated control platform 71, can also be with
It is uploaded to audio server.
As shown in figure 9, the video control module 73 includes track of video adding module 91, track of video attributes edit mould
Block 92, video material attributes edit module 94, keeps data/output video control instruction module at video material adding module 93
95, the function that these modules are realized is corresponded with abovementioned steps S401 to 405 respectively.
Further, the video editing of the multi-specialized system editor and control system and broadcasting control principle such as Figure 15 institute
Showing, the integrated control platform does not execute the source file of video material directly, but by acquisition video material list and accordingly
Property file issue control instruction to video server, video server connects the source document further according to control instruction to video material
Part executes broadcasting and effect operation.
As shown in Figure 10, the lighting control module 74 includes light track adding module 110, light track attributes edit
Module 120, light material attributes edit module 140, keeps data/output signal light control instruction at light material adding module 130
Module 150, the function that these modules are realized are corresponded with abovementioned steps S501 to 505 respectively.
Further, the signal light control principle of the multi-specialized system editor and control system is as shown in figure 16, the collection
Light signal is additionally provided at control platform and records module, for recording the light controling signal of lamp control platform output, and in recording process
Timing code is stamped to the light controling signal recorded, so as in the enterprising edlin control of light track.
As shown in figure 11, described device control module 75 includes device track adding module 151, device track attributes edit
Module 152, control material adding module 154, control material attributes edit module 155, is protected at control sub-track adding module 153
Hold data/output signal light control instruction module 156, the function that these modules are realized respectively with abovementioned steps S601 to 606 1
One is corresponding.
Further, the device control principle of the multi-specialized system editor and control system is as shown in figure 17, the collection
It is exported through each protocol interface on device adapter to corresponding controlled plant at all kinds of devices control signal of control platform output.
In addition, the integrated control platform can also include the sound for making (generation) acoustic image track data (i.e. acoustic image material)
As track data generation module, the acoustic image track data obtained through the module is for more rail playback editor's execution module tune
With controlling to control audio server track matrix module acoustic image track.Further, the present embodiment provides
A kind of acoustic image track (sound effect track) control method, the control method pass through control host (such as integrated control platform, audio server)
The output level value of each speaker node of entity sound box system is configured, makes acoustic image in the total duration of setting by the side of setting
Formula movement or static.As shown in figure 18, which includes:
S181: acoustic image track data is generated；
S182: in the total duration corresponding to the acoustic image track data, according to acoustic image track data, it is real to adjust each speaker
The output level of body；
S183: in the total duration, the incoming level and corresponding speaker entity of each speaker physical signal will be input to
Output level is overlapped to obtain the level of each speaker entity reality output.
Acoustic image track data refers within the period of setting length (i.e. the lasting total duration of acoustic image), in order to make integrated control
Each virtual speaker node output level is formed by acoustic image and runs along preset path in virtual speaker distribution map on platform
It moves or remains stationary, the output level data that each speaker node changes over time.I.e. acoustic image track data contains speaker distribution
Output level delta data of whole speaker nodes in the setting length of time section in map.Each speaker node is come
Say, its output level size is changed with time change in the set period of time, it is also possible to be zero, negative even
Bear it is infinite, it is preferential infinite using bearing.
Each speaker node corresponds to a speaker entity in entity sound box system, and each speaker entity includes being located at together
One or more speakers at one position.I.e. each speaker node can correspond to one or more co-located speakers.
The virtual speaker of each sound in order to allow entity sound box system accurately to reappear acoustic image path, in speaker distribution map
The position distribution of node should be corresponding with each speaker provider location distribution of entity sound box system, in particular so that each speaker node it
Between relative positional relationship, the relative positional relationship between each speaker entity is corresponding.
The level of speaker entity reality output is real with the speaker in the level and above-mentioned acoustic image track data of input signal
The output level of the corresponding speaker node of body is superimposed gained.The former be input signal characteristic, the latter can be considered as speaker reality
The characteristic of body itself.At any one time, different input signals just has different incoming levels, and real for same speaker
Body, only one output level.It is, therefore, understood that acoustic image trajectory processing is at the output level to each speaker entity
Reason, to form preset acoustic image path effect (including acoustic image is stationary).
Incoming level and the output level superposition of speaker entity can be before audio signal actually enter speaker entity first
It being handled, can also be handled again after entering speaker entity, this link for depending on entire public address system is constituted, with
And whether speaker entity is built-in with audio-frequency signal processing module, such as DSP unit.
The type of acoustic image track data includes: fixed point audio-visual-data, becomes rail acoustic image track data and variable domain acoustic image track.?
When simulation generates acoustic image track data on integrated control platform, the speed and process of acoustic image are controlled for convenience, the present invention is real
Sequentially connected line segment is applied between several acoustic image TRAJECTORY CONTROL points that example passes through discrete distribution in speaker distribution map to indicate sound
The path of running of picture determines the path of running of acoustic image, Yi Jisheng by several acoustic image TRAJECTORY CONTROL points of discrete distribution
The overall running time of picture.
Acoustic image is pinpointed, is referred within the period of setting length, the one or more speakers selected in speaker distribution map
Node constantly output level, and unselected speaker node output level numerical value is zero or bears infinite situation.Correspondingly, fixed
Point audio-visual-data refers within the period of setting length, the one or more speaker nodes selected in speaker distribution map are held
Continuous ground output level, and unselected speaker node is when output level or output level numerical value are not zero or bear infinite, Ge Geyin
The output level data that case node changes over time.For selected speaker node, its output level is in the setting time
Continuously (there may also be upper and lower fluctuating change)；And for unselected speaker node, its output level in the setting time
Holding is negative infinite.
Become rail acoustic image, refers within the period of setting length, in order to make acoustic image run along preset path, each speaker node
According to the situation of certain rule output level.Correspondingly, become rail acoustic image track data, refer within the period of setting length,
In order to make acoustic image run along preset path, output level data that each speaker node changes over time.Acoustic image runs path simultaneously
Do not need it is exactly accurate, and acoustic image movement (running) duration will not be very long, it is only necessary to substantially construction audience can recognize
Acoustic image run effect.
Variable domain acoustic image referred within the period of setting length, in order to make acoustic image run along predeterminable area, each speaker node
The situation that changes according to certain rule of output level.Correspondingly, variable domain acoustic image track data referred in the time of setting length,
In order to make acoustic image run along predeterminable area, output level data that each speaker node changes over time.
As shown in figure 19, the variable domain acoustic image track data of the present embodiment can obtain by the following method:
S1901: setting speaker node: in speaker distribution map 10, speaker node is added or deleted.
S1902: modification speaker nodal community: the attribute of speaker node includes speaker coordinate, speaker type, corresponds to export and lead to
Road, initialize level, speaker title etc..Speaker node is indicated in speaker distribution map with speaker icon, passes through mobile sound
Case icon can change its coordinate position.Speaker type refers to that full-range cabinet or ultralow frequency speaker, concrete type can be according to reality
It is divided.Each speaker node in speaker distribution map is all assigned an output channel, each output channel pair
It should include one or more sounds at co-located place in a speaker entity in entity sound box system, each speaker entity
Case.I.e. each speaker node can correspond to one or more co-located speakers.In order to reappear in speaker distribution map
Designed acoustic image is run path, and the position distribution of speaker entity should be with the position distribution pair of speaker node in speaker distribution map
It answers.
S1903:, which dividing acoustic image region, and sets acoustic image runs path:
In speaker distribution map select certain point centered on S0, and the S0 of center at addition speaker node, then with
Center S0 is that the center of circle divides several concentric circular regions, and diameter maximum concentric circles can completely or partially cover speaker distribution ground
Speaker node on figure.The smallest concentric circles area encompassed of diameter is set as acoustic image region Z1, between neighboring concentric circle
Region is each set to acoustic image region Z2, Z3, Z4 ... ZN (N is the natural number more than or equal to 2), i.e. diameter most from inner outward
Region between small concentric circles and diameter small concentric circles second from the bottom is set as acoustic image region Z2, and diameter is second from the bottom small
Region between concentric circles and diameter small concentric circles third from the bottom is set as acoustic image region Z3, and so on (refering to Figure 20).
It is arranged using center S0 as multiple paths of running of the outside radiant type diffusion of starting point, it is each that path of respectively running is set as traversal
The straight-line segment in a acoustic image region.These paths of running can completely or partially cover all or part in above-mentioned concentric circular regions
Speaker node preferably covers whole speaker nodes in above-mentioned concentric circular regions.
The terminal in these paths of running be above-mentioned concentric circular regions within or speaker node in addition, the starting point in path of running
For center S0, and terminal is different according to speaker Node distribution on the path direction of running: if (1) path direction of running
On have speaker node on the outside of diameter maximum concentric circles, then the terminal in the path of running is to run on path direction at this,
Apart from the smallest speaker node on the outside of diameter maximum concentric circles and with the diameter maximum concentric circles.(2) path if this is run
The speaker node being not on the outside of diameter maximum concentric circles on direction, then the terminal in the path of running is the path direction of running
On the speaker node farthest apart from center S0.
These at least one speaker nodes of path of running, can also there are two or above speaker node.
Refering to Figure 20, which is equipped with four concentric circles centered on S0, this four concentric circles divide
At 4 acoustic image regions Z1, Z2, Z3, Z4, the acoustic image of setting path of running has 13, respectively S1, S2, S3, S4, S5, S6, S7,
S8, S9, S10, S11, S12, S13, whole speaker nodes in concentric circular regions (region that diameter maximum concentric circles is included)
There is path of running accordingly to pass through.Wherein, path S2, S3, S5, S8, S9, S10, S11, S12, S13 are run just through one
Speaker node, run path S1, S4, S7 are across two speaker nodes.
Refering to Figure 21, further, when centered on selected certain point, a certain speaker node conduct can be directly selected
Center.The speaker distribution map of Figure 21 is equipped with 5 concentric circles centered on speaker node S0 ', is divided into 5 acoustic image regions
Z1 ', Z2 ', Z3 ', Z4 ', Z5 ' and several acoustic images are run path.Wherein, acoustic image run path S1 ', S2 ', have on S3 ' respectively
3 speaker nodes, at current time, run path S1 ', S2 ', acoustic image tracing point P41, P42, P43 on S3 ' of acoustic image is respectively positioned on
In the Z4 ' of acoustic image region.
S1904: editor's acoustic image zone time attribute, including at the time of corresponding to acoustic image region, current acoustic image region arrives down
The time required to one acoustic image region and acoustic image is run total duration.The editor of acoustic image area attribute and change rail acoustic image tracing point attribute
It edits similar.If modifying at the time of to corresponding to a certain acoustic image region, whole acoustic image regions before the sound area domain are each
The total duration that self-corresponding moment and acoustic image are run requires to be adjusted.If to a certain acoustic image region to next acoustic image area
Time needed for domain is adjusted, then at the time of corresponding to next acoustic image region and acoustic image run total duration require into
Row adjustment.If modification acoustic image is run total duration, then at the time of the acoustic image is run corresponding to each acoustic image region on path and
It will all be adjusted to the time needed for next acoustic image region.
S1905: record variable domain acoustic image track data records each speaker node and successively runs in acoustic image along path of running is set
During each acoustic image region, the output level numerical value at each moment.Certain can be calculated by the following method for the moment
Carve the output level value of related speaker node.
Assuming that: acoustic image total duration of running is set as T, and the acoustic image tracing point respectively run on path is in total duration T from it
Point is mobile to terminal, or mobile from its terminal to starting point, and the acoustic image movement speed in path of respectively running can be identical or not identical.
At a time t, a certain acoustic image run the current acoustic image tracing point Pj in path P along some acoustic image region Zi to
Next acoustic image region Zi+1 is mobile.Adjacent tone on the route that the acoustic image runs path P, inside and outside acoustic image tracing point Pj
Case node k, speaker node k+1 output level be respectively dBm, dBm+1, which runs in path P except the two speaker sections
The output level of speaker node other than point is zero or bears infinite.Speaker node k, speaker node k+1 are positioned at the acoustic image
It runs speaker node on path, wherein the speaker node K is speaker node on the inside of acoustic image tracing point Pj (in
The side of heart S0), which is the speaker node (side far from center S0) on the outside of the acoustic image track.
So, in current a certain moment t, which runs the acoustic image tracing point Pj in path P from current acoustic image region Zi
During running to next acoustic image region Zi+1,
The output level dBm=10log of speaker node keη÷2.3025851
The output level dBm+1=10log of speaker node k+1eβ÷2.3025851
Wherein, l12For speaker node k to the distance of speaker node k+1, l1PFor speaker node k to current acoustic image tracing point
The distance of Pj, lp2For the distance of current acoustic image tracing point Pj to speaker node k+1.As can be seen from the above formula that road of respectively running
There are two speaker node output levels for each acoustic image tracing point on diameter, but when acoustic image tracing point is located just at speaker node
When, only one of which speaker node output level.
Refering to Figure 20, which is provided with 4 using center S0 as four concentric circles in the center of circle, sets at the S0 of center
There is speaker node.These concentric circles are divided into 4 acoustic image regions Z1, Z2, Z3, Z4, and be provided with 13 acoustic images run track S1,
S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, wherein acoustic image is run on path S1, S4, S7, S10
There are 3 speaker nodes respectively, remaining acoustic image is run on path then only has 2 each speaker nodes respectively.
At current time, run current acoustic image tracing point P31, P32, P33, P34 of path S1, S2, S3, S4 of acoustic image runs
Into acoustic image region Z4.If each acoustic image is run, the acoustic image movement speed on path is identical, these current acoustic image tracing points are located at
Using S0 as in the circle in the center of circle.At this point, run on path in each acoustic image, the sound inside and outside only current acoustic image tracing point
Case node has output level, and the output level of remaining speaker node is zero or bears infinite.By taking current acoustic image track P31 as an example,
The adjacent speaker node in inside is speaker node (the speaker node use in Figure 20 in the upper right side in the Z2 of acoustic image region in Figure 20
Small circle indicates), the speaker node of outside jingle bell is the speaker node in the upper right side on the outside of the Z4 of acoustic image region, this speaker node
And the acoustic image is run the terminal of path S1.Only have both of the aforesaid speaker node to have level defeated on the S1 of path at this point, acoustic image is run
Out, the output level for being located at the speaker node of center S0 is zero or bears infinite.
When recording variable domain acoustic image track output level value of each moment each speaker node in total duration T, Ke Yilian
Continuous record, can also record according to certain frequency.For the latter, refers to and record primary each speaker section at interval of certain time
The output level numerical value of point.In the present embodiment, acoustic image is recorded in using 25 frames/second or 30 frames/second frequency along setting road
The output level value of each speaker node when diameter is run.The output level data that each speaker node is recorded by certain frequency, can subtract
Few data volume accelerates the processing speed when carrying out acoustic image trajectory processing to input audio signal, guarantees that acoustic image is run effect
Real-time.
Claims (2)
1. a kind of panorama multichannel sound effect method for controlling trajectory, the control method is by console to each speaker of entity sound box system
The output level value of node is configured, and moves acoustic image in the way of setting in the total duration of setting or static, feature
It is, which includes:
Acoustic image track data is generated, the acoustic image track data includes variable domain acoustic image track data；
In the total duration corresponding to the acoustic image track data, according to acoustic image track data, the output of each speaker entity is adjusted
Level；
In the total duration, by be input to each speaker physical signal incoming level and corresponding speaker entity output level into
Row superposition obtains the level of each speaker entity reality output；The variable domain acoustic image track data obtains by the following method:
Setting speaker node: in speaker distribution map, speaker node is added or deleted；
Modification speaker nodal community: the attribute of speaker node includes speaker coordinate, speaker type, corresponding output channel, initialization
Level；
It divides acoustic image region and sets acoustic image and run path；
Edit acoustic image zone time attribute, including at the time of corresponding to acoustic image region, current acoustic image region to next acoustic image region
Required time and acoustic image are run total duration；
Variable domain acoustic image track data is recorded, each speaker node is recorded and successively runs along path of running is set by each sound in acoustic image
During region, the output level numerical value at each moment；Divide acoustic image region and set acoustic image run path when:
The S0 centered on selected certain point in speaker distribution map, and speaker node is added at the S0 of center, then in this
Heart S0 is that the center of circle divides several concentric circular regions, and diameter maximum concentric circles completely or partially covers the sound in speaker distribution map
Case node, the smallest concentric circles area encompassed of diameter are set as acoustic image region Z1, the region between neighboring concentric circle is from inner
It is each set to acoustic image region Z outward2、Z3、Z4…ZN, N is the natural number more than or equal to 2；
It is arranged using center S0 as multiple paths of running of the outside radiant type diffusion of starting point, path of respectively running is set as traversing each sound
As the straight-line segment in region, these paths of running can completely or partially cover all or part of speaker in the concentric circular regions
Node；
During recording variable domain acoustic image track data, the acoustic image tracing point respectively run on path is run in total duration T in acoustic image
It is mobile from its starting point to terminal or mobile from its terminal to starting point, the acoustic image movement speed in path of respectively running can it is identical or
It is not identical；
Assuming that at a time t, a certain acoustic image run the current acoustic image tracing point Pj in path P along some acoustic image region ZiTo
Next acoustic image region Zi+1It is mobile, the adjacent tone on the route that the acoustic image runs path P, inside and outside acoustic image tracing point Pj
Case node K, speaker node K+1 output level be respectively dBm、dBm+1, which runs in path P except the two speaker nodes
The output level of speaker node in addition be zero or bear it is infinite, speaker node K, speaker node K+1 be positioned at the acoustic image run
Speaker node on dynamic path；Wherein, which is the speaker node on the inside of acoustic image tracing point Pj, the speaker section
Point K+1 is the speaker node on the outside of the acoustic image track；
So, a certain moment t in this prior, the acoustic image run the acoustic image tracing point Pj in path P from current acoustic image region ZiIt runs
To next acoustic image region Zi+1During,
The output level dB of speaker node Km=10logeη÷2.3025851；
The output level dB of speaker node K+1m+1=10logeβ÷2.3025851；
Wherein, l12For speaker node K to the distance of speaker node K+1, l1PFor speaker node K to current acoustic image tracing point Pj away from
From lp2For the distance of current acoustic image tracing point Pj to speaker node K+1.
2. panorama multichannel sound effect method for controlling trajectory according to claim 1, which is characterized in that dividing acoustic image region
And set acoustic image run path when:
The terminal in each path of running is within the concentric circular regions or speaker node in addition, starting point are the center
S0:(1) if having the speaker node on the outside of diameter maximum concentric circles, the path of running on the path direction of running
Terminal is to be located on the outside of diameter maximum concentric circles and with the diameter maximum concentric circles on the path direction of running apart from the smallest
Speaker node；(2) the speaker node being not on path direction if this is run on the outside of diameter maximum concentric circles, the road of running
The terminal of diameter is the speaker node that distance center S0 is farthest on the path direction of running.
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| CN104754445A (en) * | 2013-12-31 | 2015-07-01 | 广州励丰文化科技股份有限公司 | Panoramic multichannel acoustic image trajectory control method |
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| CN104754445A (en) * | 2013-12-31 | 2015-07-01 | 广州励丰文化科技股份有限公司 | Panoramic multichannel acoustic image trajectory control method |
| CN104967952A (en) * | 2015-06-30 | 2015-10-07 | 大连理工大学 | Personalized method based on HRTF structural model and subjective feedback |
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