CN115442686A - Multichannel recording intelligent management system based on big data - Google Patents

Multichannel recording intelligent management system based on big data Download PDF

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CN115442686A
CN115442686A CN202211388033.9A CN202211388033A CN115442686A CN 115442686 A CN115442686 A CN 115442686A CN 202211388033 A CN202211388033 A CN 202211388033A CN 115442686 A CN115442686 A CN 115442686A
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recording
audio
target
equipment
pickup
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CN115442686B (en
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宁星忠
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Shenzhen Tongchuang Audio Technology Co ltd
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Shenzhen Tongchuang Audio Technology Co ltd
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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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data

Abstract

The invention belongs to the technical field of recording management, and particularly discloses a big-data-based multi-channel recording intelligent management system, which collects and analyzes environmental information in a recording field and recording scene information of a recording person, so that the position of the recording device corresponding to the recording person is regulated and controlled, and simultaneously, an audio signal recorded by a target recording device corresponding to a target person is collected and analyzed, and the angle of the recording device corresponding to the recording person is regulated and controlled, so that the multi-dimensional regulation and control of the recording device in the recording process of the recording person are realized, the problem that the recording device is not managed in the recording process in the prior art is effectively solved, the subjective error in a manual regulation and control mode is eliminated, the regulation and control effect of the recording device is greatly guaranteed, the regulation and control accuracy and rationality of the recording device are greatly improved, and the pickup distance requirement and the angle requirement of the recording person are met.

Description

Multichannel recording intelligent management system based on big data
Technical Field
The invention belongs to the technical field of recording management, and relates to a multichannel recording intelligent management system based on big data.
Background
With the improvement of modern recording technology and the rapid development of recording equipment, the recording is developed from single channel to multiple channels, and the multi-channel recording is widely applied to multiple fields of movie and television production, broadcasting and the like through multiple characteristics of easy adjustment, high definition, strong flexibility and the like, and needs to be managed in order to ensure the recording effect of multiple channels.
At present, the main focus of managing multichannel recording is on improving recording efficiency and a subsequent regulation and control process of recording, for example, patent with publication number CN108257605B discloses a multichannel recording method, device and electronic device, which determine a recording channel corresponding to a voiceprint feature by detecting a current voice signal, extracting a voiceprint feature of the current voice signal, and based on a preset voiceprint library, select the recording channel corresponding to the voiceprint feature to record the current voice signal, and can accurately select the corresponding recording channel to record according to the voice signal, thereby improving recording efficiency and recording quality.
Although the above-mentioned patent publication selects the precision aspect to improve the efficiency and the recording quality of recording through improving the recording passageway, still be in the preparation process before the recording, do not manage recording equipment among the recording process, and the recording state among the recording process has directly influenced subsequent recording quality to influence recording efficiency, consequently, the target technology still has certain defect, specifically now several following aspects: 1. recording quality still receives the influence of recording environment except receiving recording equipment self easily, if the temperature, equipment vibration frequency etc. all can cause certain interference to recording quality, in order to reduce the interference of recording in-process environment, need regulate and control the pickup distance of equipment, only carry out pickup distance regulation and control through artificial mode at present, the subjectivity is stronger, there is very big error nature, and the mode through artifical regulation and control can't ensure regulation and control effect, also can't reduce the interference of environment to recording quality.
2. The pickup tone quality of recording the different pickup angles of equipment all can have great difference, the pickup angle management aspect to equipment at present belongs to the management of general formula, the pickup angle of equipment is recorded to the pickup signal of recording equipment not according to recording, can't realize the timely regulation and control of recording equipment pickup angle, thereby can't improve the pickup quality of recording equipment, also can't reduce the abandonment rate that recording personnel recorded the audio frequency, and then can't reduce recording personnel's recording work load, also can't improve recording efficiency at another aspect.
Disclosure of Invention
In view of the above, to solve the problems in the background art, a multichannel recording intelligent management system based on big data is proposed.
The purpose of the invention can be realized by the following technical scheme: the invention provides a multichannel recording intelligent management system based on big data, which comprises: and the recording site information acquisition module is used for acquiring the number of the set recording channels corresponding to the specified video and the recording site information of each set recording channel.
And the audio pickup setting module is used for setting audio pickup points according to the recording site information of each set recording channel to obtain the layout information of the corresponding audio pickup points of the associated recording equipment of each set recording channel, and laying pickup equipment at the positions of the audio pickup points.
And the recording equipment matching analysis module is used for recording a certain recording personnel in a set recording site as a target personnel when the recording personnel dubs and records the recording, collecting the sound of the target personnel, further carrying out tone color identification, confirming the associated recording equipment of the target personnel matching the recording channel and recording as the target recording equipment.
And the recording site environment information acquisition module is used for detecting recording environment information in a set recording site, acquiring recording scene images of target personnel through a camera arranged in the recording site, and identifying the recording scene information corresponding to the target personnel.
And the recording equipment position regulation and control analysis module is used for regulating and controlling and analyzing the position of the target recording equipment corresponding to the target personnel and starting a position regulation and control terminal corresponding to the target recording equipment to regulate and control the position.
And the audio information acquisition module of the recording personnel is used for starting the target recording equipment to acquire audio signals when the target recording equipment completes position regulation and control, and simultaneously starting the pickup equipment in the position, corresponding to each audio pickup point, of the target recording equipment to monitor the audio signals.
And the audio information analysis module is used for analyzing the audio signals acquired by the target recording equipment to obtain the angle regulation and control information of the target recording equipment, and starting the angle regulation and control terminal corresponding to the target recording equipment to regulate and control the angle.
Preferably, the recording site information of each set recording channel is a matching tone type, an associated recording device and an initial set recording angle corresponding to the associated recording device.
Preferably, the setting of the audio pickup point includes the following steps: and extracting the initial set recording angle corresponding to the associated recording equipment of each set recording channel from the recording site information of each set recording channel, thereby carrying out the range definition of the regulation and control angle of the associated recording equipment of each set recording channel.
And according to the set unit regulation deflection angle, carrying out area division on the regulation angle range of the associated recording equipment of each set recording channel to obtain each audio pickup subarea of the associated recording equipment of each set recording channel, taking the central point corresponding to each pickup subarea as an initial audio pickup point, and extracting the position corresponding to each initial audio pickup point.
And projecting each initial audio pickup point corresponding to each set recording channel associated recording device to the wall surface of the set recording field to obtain each audio pickup projection point corresponding to each set recording channel associated recording device, and obtaining the distance between each initial audio pickup point corresponding to each set recording channel associated recording device and the corresponding audio pickup projection point thereof, and recording the distance as the projection distance.
And taking each audio pickup projection point corresponding to each set recording channel associated recording equipment as each audio pickup point, extracting the position of each audio pickup point, and taking the position and the projection distance of each audio pickup point corresponding to the initial audio pickup point as the layout information of each audio pickup point.
Preferably, the recording environment information includes temperature, air pressure, and vibration frequency; and the recording scene information is the horizontal distance and the vertical distance between the target person and the target recording equipment.
Preferably, theAnd (3) regulating and analyzing the position of the target recording equipment corresponding to the target personnel, wherein the specific regulating and analyzing process comprises the following steps: step 1, positioning temperature, air pressure and vibration frequency from recording environment information in a set recording field, and recording the temperature, air pressure and vibration frequency as
Figure 737866DEST_PATH_IMAGE001
；
Step 2, according to an analysis formula
Figure 189094DEST_PATH_IMAGE002
Analyzing to obtain the corresponding recording environment interference index in the set recording site
Figure 765569DEST_PATH_IMAGE003
And e is a natural constant, and the ratio of the natural constant,
Figure 895199DEST_PATH_IMAGE004
respectively are the proportion weight factors corresponding to the set temperature, air pressure and vibration frequency,
Figure 506309DEST_PATH_IMAGE005
respectively the standard temperature, the standard air pressure and the standard vibration frequency corresponding to the set recording environment.
And 3, comparing the recording environment interference index corresponding to the set recording site with the appropriate recording horizontal interval and the appropriate recording vertical interval corresponding to each preset recording environment interference index range to obtain the appropriate recording horizontal interval and the appropriate recording vertical interval corresponding to the set recording site.
And 4, extracting the horizontal distance and the vertical distance between the target person and the target recording equipment thereof from the recording scene information corresponding to the target person, and recording the horizontal distance and the vertical distance as the current recording horizontal distance and the current recording vertical distance respectively.
And 5, comparing the current recording horizontal distance and the current recording vertical distance corresponding to the target person with the proper recording horizontal distance and the proper recording vertical distance corresponding to the set recording field respectively, obtaining the difference value of the current recording horizontal distance and the proper recording horizontal distance corresponding to the set recording field of the target person and the difference value of the current recording vertical distance and the proper recording vertical distance corresponding to the set recording field respectively, and recording the difference values as a recording horizontal distance difference and a recording vertical distance difference respectively.
And 6, if the recording horizontal interval difference is a positive value, judging that the horizontal position regulation and control mode of the target recording equipment is reduced regulation and control, otherwise, judging that the horizontal position regulation and control mode of the target recording equipment is increased regulation and control, taking the recording horizontal interval difference as a regulation and control value, and obtaining the vertical position regulation and control mode and the regulation and control value of the target recording equipment according to the same manner.
Preferably, the audio signal collected by the target recording device and the audio signal monitored by the pickup device in the position corresponding to each audio pickup point of the target recording device are further processed before the audio signal collected by the target recording device is analyzed, and the specific processing flow is as follows: and dividing the audio signal acquired by the target recording equipment into signal components through Fourier change, introducing the signal components into an audio analyzer, and outputting audio parameters correspondingly recorded by the target recording equipment, wherein the audio parameters comprise loudness, sound intensity, frequency and signal-to-noise ratio and are respectively recorded as X, q, p and z.
And dividing the audio signal monitored by the pickup equipment in the position corresponding to each audio pickup point of the target recording equipment into various signal components through Fourier change, leading the signal components into an audio analyzer, and outputting audio parameters picked up in the position corresponding to each audio pickup point of the target recording equipment.
Preferably, the analyzing the audio signal collected by the target recording device includes: (1) Positioning frequency and signal-to-noise ratio from audio parameters correspondingly recorded by target recording equipment through a first sound quality analysis formula
Figure 63192DEST_PATH_IMAGE006
Analyzing to obtain a first recording sound quality evaluation coefficient corresponding to the target person
Figure 126963DEST_PATH_IMAGE007
，
Figure 60284DEST_PATH_IMAGE008
Respectively a reference frequency and a reference signal-to-noise ratio corresponding to the set audio recording signal,
Figure 260321DEST_PATH_IMAGE009
respectively, the set frequency and the occupation ratio weight factor corresponding to the signal-to-noise ratio.
(2) Positioning loudness and sound intensity from audio parameters correspondingly recorded by the target recording equipment, and analyzing by a second sound quality analysis formula to obtain a second recording sound quality evaluation coefficient corresponding to the target recording equipment
Figure 50423DEST_PATH_IMAGE010
，
Figure 539173DEST_PATH_IMAGE011
Respectively expressed as the ratio weight factors corresponding to the set loudness and the sound intensity,
Figure 72922DEST_PATH_IMAGE012
respectively the reference loudness and the reference sound intensity corresponding to the set audio recording signal.
(3) By analytical formula
Figure 330728DEST_PATH_IMAGE013
Analyzing to obtain a recording sound quality standard index corresponding to the target recording equipment
Figure 557310DEST_PATH_IMAGE014
，
Figure 533357DEST_PATH_IMAGE015
And the correction factors are respectively corresponding to the set first recording voice quality evaluation coefficient and the second recording voice quality evaluation coefficient.
(4) And comparing the recorded voice quality standard-reaching index corresponding to the target recording equipment with the set standard recorded voice quality standard-reaching index, if the recorded voice quality standard-reaching index corresponding to the target recording equipment is greater than or equal to the standard recorded voice quality standard-reaching index, judging that the target recording equipment records qualified audio, otherwise, judging that the target recording equipment records unqualified audio, and analyzing the regulation and control angle.
Preferably, still include before carrying out regulation and control angle analysis and record the audio signal that pickup equipment monitored in the equipment corresponds each audio pickup point position to the target and carry out the analysis, its concrete analytic process is: obtaining the layout information of each audio pickup point corresponding to the target recording equipment, further obtaining the projection distance of each audio pickup point corresponding to the initial audio pickup point, obtaining the pickup attenuation weight factor corresponding to each audio pickup point through analysis of an analysis formula, and recording the weight factor as the pickup attenuation weight factor
Figure 339639DEST_PATH_IMAGE016
I denotes a target recording device corresponding to an audio pick-up point number, i =1, 2.
Extracting audio parameters picked up in the positions of the audio pickup points corresponding to the target recording equipment, analyzing according to the analysis mode of the recorded sound quality standard-reaching indexes corresponding to the target recording equipment to obtain the pickup sound quality standard-reaching indexes corresponding to the audio pickup points of the target recording equipment, and recording the pickup sound quality standard-reaching indexes as
Figure 779847DEST_PATH_IMAGE017
。
By analysis of formulas
Figure 849434DEST_PATH_IMAGE018
Analyzing and obtaining pickup preference indexes corresponding to the positions of the audio pickup points corresponding to the target recording equipment
Figure 375094DEST_PATH_IMAGE019
A correction factor is preferred for the set pick-up.
And comparing the sound pickup preference index corresponding to each audio sound pickup point position corresponding to the target recording equipment with the set standard sound pickup preference index, and taking each audio sound pickup point larger than the standard sound pickup preference index as an alternative audio sound pickup point.
And sequencing the alternative audio sound pickup points from big to small according to the sound pickup preference indexes, taking the alternative audio sound pickup point with the top rank as an optimal sound pickup point, extracting the position corresponding to the optimal sound pickup point, and confirming the regulation and control angle information of the target recording equipment corresponding to the target personnel based on the position of the optimal sound pickup point.
Preferably, the pickup attenuation weight factor is calculated by the formula
Figure 188329DEST_PATH_IMAGE020
Wherein, in the process,
Figure 483044DEST_PATH_IMAGE021
indicating the projected distance of the ith audio sound-pick-up point corresponding to the initial audio sound-pick-up point,
Figure 989112DEST_PATH_IMAGE022
for the attenuation factor corresponding to the set unit projection distance,
Figure 736488DEST_PATH_IMAGE023
is the set attenuation correction factor.
Preferably, the control angle information of the target recording device corresponding to the target person is confirmed based on the position of the optimal sound pickup point, and the specific confirmation process is as follows: and extracting the positions of the audio sound points corresponding to the initial audio sound points from the layout information of the audio sound points corresponding to the target recording equipment, and constructing an equipment regulation and control direction schematic diagram.
And acquiring the position of the initial audio pickup point corresponding to the optimal pickup point, and positioning the relative position of the target recording equipment and the initial audio pickup point corresponding to the optimal pickup point and the number of the initial audio pickup points at intervals from the regulation and control schematic diagram, wherein the relative position comprises an upper part and a lower part.
If the relative position of the target recording equipment and the initial audio frequency sound pick-up point corresponding to the optimal sound pick-up point is above, the angle regulation and control mode of the target recording equipment is clockwise regulation and control, and the target recording equipment is regulated and controlled by an analysis formula
Figure 150152DEST_PATH_IMAGE024
And analyzing to obtain the corresponding regulation and control angle of the target recording equipment.
If the target records the apparatusThe relative direction of the initial audio frequency sound pick-up point corresponding to the optimal sound pick-up point is below, the angle regulation mode of the target recording equipment is anticlockwise regulation, and the target recording equipment is controlled by an analysis formula
Figure 237056DEST_PATH_IMAGE025
And analyzing to obtain a regulation and control angle corresponding to the target recording equipment, and taking the angle regulation and control mode and the regulation and control angle as regulation and control angle information of the target recording equipment.
Compared with the prior art, the invention has the following beneficial effects: the multichannel recording intelligent management system based on big data collects and analyzes environmental information in a recording field and recording scene information of a recording person, so that the position of the recording person corresponding to recording equipment is regulated and controlled, audio signals collected by the target person corresponding to the target recording equipment are collected and analyzed, and the angle of the recording person corresponding to the recording equipment is regulated and controlled, so that the multi-dimensional regulation and control of the recording equipment in the recording process of the recording person are realized, on one hand, the problem that the recording equipment in the recording process is not managed in the prior art is effectively solved, the subjective error in a manual regulation and control mode is eliminated, the regulation and control effect of the recording equipment is greatly guaranteed, the regulation and control accuracy and rationality of the recording equipment are also greatly improved, and the requirements on the pickup distance and the pickup angle of the recording person are met; on the other hand, the recording finished product period is effectively shortened, and the recording finished product quality is also greatly improved.
According to the method, the audio pickup point setting and the pickup equipment setting are carried out on the audio pickup setting module according to the initial arrangement position information of the associated recording equipment corresponding to each set recording channel, a cushion is arranged for angle regulation of the subsequent recording equipment, and meanwhile, the reliability and the reference of the angle regulation of the recording equipment are guaranteed by setting a plurality of audio pickup points.
According to the invention, the regulation and control analysis module is arranged at the position of the recording equipment, and the regulation and control analysis is carried out according to the environmental information in the recording field and the recording scene information of the recording personnel, so that the interference of the environment to the recording quality is effectively eliminated, and the recording tone quality and the recording effect of the recording equipment are greatly improved.
According to the invention, in the audio information analysis module of the recording personnel, the adjustment and control angle information of the target recording equipment corresponding to the target personnel is determined by analyzing the audio signals collected by the target recording equipment, so that the timely adjustment and control of the pickup angle of the recording equipment is realized, the pickup quality of the recording equipment is greatly improved, the abandonment rate of the recording audio of the recording personnel is effectively reduced, the recording workload of the recording personnel is greatly reduced, and the recording efficiency of the recording personnel is effectively improved on the other aspect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the connection of modules of the system of the present invention.
FIG. 2 is a schematic view of the device of the present invention in its orientation.
Detailed Description
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Referring to fig. 1, the invention provides a multichannel recording intelligent management system based on big data, which comprises a recording site information acquisition module, an audio pickup setting module, a recording equipment matching analysis module, a recording site environment information acquisition module, a recording equipment position regulation and control analysis module, a recording personnel audio information acquisition module and a recording personnel audio information analysis module.
In the foregoing, recording site information acquisition module is connected with recording equipment matching analysis module, audio pickup setting module and recording personnel audio information analysis module respectively, and recording site environmental information acquisition module is connected with recording equipment matching analysis module and recording equipment position regulation and control analysis module respectively, and recording personnel audio information acquisition module is connected with audio pickup setting module and recording personnel audio information analysis module respectively, and audio pickup setting module is connected with recording personnel audio information analysis module.
The recording site information acquisition module is used for acquiring the number of the set recording channels corresponding to the specified video and the recording site information of each set recording channel, wherein the recording site information of each set recording channel is the matched tone type, the associated recording equipment and the initial set recording angle corresponding to the associated recording equipment.
And the recording equipment matching analysis module is used for recording a certain recording personnel in a set recording site as a target personnel when dubbing recording is carried out on the recording personnel, acquiring the sound of the target personnel, carrying out tone color identification, confirming the associated recording equipment of the target personnel matching the recording channel from the sound, and recording as the target recording equipment.
It should be noted that the associated recording device for confirming the target person matching the recording channel is used for matching and comparing the tone corresponding to the target person with the tone corresponding to each set recording channel to obtain the matching recording channel corresponding to the target person, and based on the matching recording channel corresponding to the target person, the associated recording device corresponding to the matching recording channel of the target person is located from the recording site information of the set recording channel.
It needs further to explain that it includes support and microphone to record equipment, and wherein the support is scalable and portable support, and the support can height-adjusting and move the position promptly, and the microphone is rotatable formula microphone, can carry out pickup angle regulation and control, and wherein, records equipment position regulation and control terminal and includes the telescopic link in the support and the pulley of support base, records equipment angle regulation and control terminal and is rotatable formula microphone fixer.
In a specific embodiment, the tone color recognition technology is a mature technology, and is not described herein.
The recording site environment information acquisition module is used for detecting recording environment information in a set recording site, acquiring recording scene images of target personnel through a camera arranged in the recording site, and identifying the recording scene information corresponding to the target personnel.
Specifically, the recording environment information includes temperature, air pressure, and vibration frequency; and the recording scene information is the horizontal distance and the vertical distance between the target person and the target recording equipment thereof.
It should be further noted that the horizontal distance between the target person and the target recording device refers to the horizontal distance between the target person and the stand of the target recording device, and the vertical distance between the target person and the target recording device refers to the vertical distance between the mouth of the target person and the sound pickup portion of the microphone of the target recording device.
And the recording equipment position regulation and control analysis module is used for regulating and controlling and analyzing the position of the target recording equipment corresponding to the target personnel and starting a position regulation and control terminal corresponding to the target recording equipment to regulate and control the position.
Illustratively, the position of the target recording device corresponding to the target person is subjected to regulation and analysis, and the specific regulation and analysis process is as follows: step 1, positioning temperature, air pressure and vibration frequency from recording environment information in a set recording field, and recording the temperature, air pressure and vibration frequency as
Figure 976342DEST_PATH_IMAGE026
。
Step 2, analyzing according to an analysis formula to obtain a corresponding recording environment interference index in a set recording site
Figure 148698DEST_PATH_IMAGE027
E is a natural constant
Figure 366052DEST_PATH_IMAGE002
，
Figure 573043DEST_PATH_IMAGE028
Respectively are the ratio weight factors corresponding to the set temperature, air pressure and vibration frequency,
Figure 474441DEST_PATH_IMAGE029
respectively the standard temperature, the standard air pressure and the standard vibration frequency corresponding to the set recording environment.
In one embodiment, the speed of sound varies with the temperature and pressure of the air, and the lower the temperature, the higher the molecular density in the air, thereby decreasing the speed of sound; the lower the air pressure, the less the molecules become, and the speed of sound increases, so that the temperature and air pressure need to be stabilized in a suitable range, and the lower the vibration frequency, the less the disturbance to sound.
And 3, comparing the recording environment interference index corresponding to the set recording field with the proper recording horizontal spacing and the proper recording vertical spacing corresponding to the preset recording environment interference index ranges to obtain the proper recording horizontal spacing and the proper recording vertical spacing corresponding to the set recording field.
And 4, extracting the horizontal distance and the vertical distance between the target person and the target recording equipment thereof from the recording scene information corresponding to the target person, and recording the horizontal distance and the vertical distance as the current recording horizontal distance and the current recording vertical distance respectively.
And 5, comparing the current recording horizontal distance and the current recording vertical distance corresponding to the target person with the proper recording horizontal distance and the proper recording vertical distance corresponding to the set recording field respectively, obtaining the difference value between the current recording horizontal distance and the proper recording horizontal distance corresponding to the set recording field of the target person and the difference value between the current recording vertical distance and the proper recording vertical distance corresponding to the set recording field respectively, and recording the difference values as the recording horizontal distance difference and the recording vertical distance difference respectively.
And 6, if the recording horizontal interval difference is a positive value, judging that the horizontal position regulation and control mode of the target recording equipment is reduced regulation and control, otherwise, judging that the horizontal position regulation and control mode of the target recording equipment is increased regulation and control, taking the recording horizontal interval difference as a regulation and control value, and obtaining the vertical position regulation and control mode and the regulation and control value of the target recording equipment according to the same manner.
According to the embodiment of the invention, the regulation and control analysis module is arranged at the position of the recording equipment, and the regulation and control analysis is carried out according to the environmental information in the recording field and the recording scene information of the recording personnel, so that the interference of the environment to the recording quality is effectively eliminated, and the recording tone quality and the recording effect of the recording equipment are greatly improved.
The audio pickup setting module is used for setting audio pickup points according to the recording site information of the set recording channels to obtain layout information of the audio pickup points of the associated recording equipment of the set recording channels, and laying pickup equipment at the positions of the audio pickup points.
Illustratively, the setting of the audio pick-up point comprises the following steps: and extracting initial set recording angles corresponding to the associated recording equipment of the set recording channels from the recording site information of the set recording channels, thereby delineating the range of the regulation and control angles of the associated recording equipment of the set recording channels.
And according to the set unit regulation deflection angle, carrying out area division on the regulation and control angle range of the associated recording equipment of each set recording channel to obtain each audio pickup sub-area of the associated recording equipment of each set recording channel, taking the central point corresponding to each pickup sub-area as an initial audio pickup point, and extracting the position corresponding to each initial audio pickup point.
And projecting each initial audio pickup point corresponding to each set recording channel associated recording device to a wall surface of a set recording field to obtain each audio pickup projection point corresponding to each set recording channel associated recording device, and obtaining the distance between each initial audio pickup point corresponding to each set recording channel associated recording device and the corresponding audio pickup projection point thereof, and recording the distance as a projection distance.
And taking each audio pickup projection point corresponding to each set recording channel associated recording equipment as each audio pickup point, extracting the position of each audio pickup point, and taking the position and projection distance of each audio pickup point corresponding to the initial audio pickup point as the layout information of each audio pickup point.
In a particular embodiment, the sound pickup apparatus includes a sound pickup, a sound sensor, and the like.
According to the embodiment of the invention, the audio pickup point setting and the pickup equipment setting are carried out on the audio pickup setting module according to the initial arrangement position information of the associated recording equipment corresponding to each set recording channel, a cushion is arranged for the angle regulation of the subsequent recording equipment, and meanwhile, the reliability and the reference of the angle regulation of the recording equipment are ensured by setting a plurality of audio pickup points.
Recording personnel audio information acquisition module for when the position regulation and control is accomplished to equipment is recorded to the target, start the target and record equipment and carry out audio signal collection, start the target simultaneously and record the pickup equipment that equipment corresponds in each audio pickup position and carry out audio signal monitoring.
And the audio information analysis module of the recording personnel is used for analyzing the audio signals collected by the target recording equipment to obtain the angle regulation and control information of the target recording equipment and starting the angle regulation and control terminal corresponding to the target recording equipment to regulate and control the angle.
According to the embodiment of the invention, the audio information analysis module of the recording personnel analyzes the audio signals collected by the target recording equipment and confirms the regulation and control angle information of the target recording equipment corresponding to the target personnel, so that the timely regulation and control of the pickup angle of the recording equipment are realized, the pickup quality of the recording equipment is greatly improved, the abandonment rate of recording audio by the recording personnel is effectively reduced, the recording workload of the recording personnel is greatly reduced, and the recording efficiency of the recording personnel is effectively improved on the other aspect.
Exemplarily, the method is further configured to process the audio signal acquired by the target recording device and the audio signal monitored by the pickup device in each audio pickup point position corresponding to the target recording device before analyzing the audio signal acquired by the target recording device, where the specific processing flow is as follows: and dividing the audio signal acquired by the target recording equipment into signal components through Fourier change, introducing the signal components into an audio analyzer, and outputting audio parameters correspondingly recorded by the target recording equipment, wherein the audio parameters comprise loudness, sound intensity, frequency and signal-to-noise ratio and are respectively recorded as X, q, p and z.
And dividing the audio signal monitored by the pickup equipment in the position corresponding to each audio pickup point of the target recording equipment into signal components through Fourier change, introducing the signal components into an audio analyzer, and outputting audio parameters picked up in the position corresponding to each audio pickup point of the target recording equipment.
Further, the audio signal collected by the target recording device is analyzed, and the specific analysis process is as follows: (1) Locating frequency and signal-to-noise ratio from audio parameters correspondingly recorded by target recording equipment, and analyzing the frequency and the signal-to-noise ratio by a first acoustic analysis formula
Figure 134092DEST_PATH_IMAGE006
Analyzing to obtain a first recording sound quality evaluation coefficient corresponding to the target person
Figure 889559DEST_PATH_IMAGE030
，
Figure 747793DEST_PATH_IMAGE031
Respectively corresponding to the set audio recording signal, a reference frequency and a reference signal-to-noise ratio,
Figure 766565DEST_PATH_IMAGE032
respectively are the ratio weight factors corresponding to the set frequency and the signal-to-noise ratio.
(2) Positioning loudness and sound intensity from audio parameters correspondingly recorded by the target recording equipment, and analyzing the loudness and sound intensity through a second tone quality analysis formula
Figure 975829DEST_PATH_IMAGE033
Analyzing to obtain a second recording sound quality evaluation coefficient corresponding to the target recording equipment
Figure 738249DEST_PATH_IMAGE010
，
Figure 716569DEST_PATH_IMAGE034
Respectively expressed as the proportion weight corresponding to the set loudness and the sound intensityThe weight of the factor is increased by a factor,
Figure 640663DEST_PATH_IMAGE012
respectively the reference loudness and the reference sound intensity corresponding to the set audio recording signal.
(3) By analytical formula
Figure 337224DEST_PATH_IMAGE013
Analyzing to obtain a recording sound quality standard-reaching index corresponding to the target recording equipment
Figure 434493DEST_PATH_IMAGE014
，
Figure 470582DEST_PATH_IMAGE035
And the correction factors are respectively corresponding to the set first recording voice quality evaluation coefficient and the second recording voice quality evaluation coefficient.
(4) Comparing the recording sound quality index reaching the standard corresponding to the target recording equipment with the set standard recording sound quality index reaching the standard, if the recording sound quality index reaching the standard corresponding to the target recording equipment is greater than or equal to the standard recording sound quality index reaching the standard, judging that the recording audio of the target recording equipment is qualified, otherwise, judging that the recording audio of the target recording equipment is unqualified, and analyzing the regulation and control angle.
Furthermore, the method further comprises the step of analyzing the audio signals monitored by the pickup equipment in the position corresponding to each audio pickup point of the target recording equipment before the angle regulation and control analysis, wherein the specific analysis process is as follows: r1, obtaining layout information of each audio pickup point corresponding to the target recording equipment, further obtaining projection distance of each audio pickup point corresponding to the initial audio pickup point, analyzing through an analysis formula to obtain pickup attenuation weight factors corresponding to each audio pickup point, and recording as pickup attenuation weight factors
Figure 627894DEST_PATH_IMAGE016
I denotes a target recording device corresponding audio pick-up point number, i =1, 2.. N, wherein,
Figure 749433DEST_PATH_IMAGE036
，
Figure 915972DEST_PATH_IMAGE021
indicating the projected distance of the ith audio sound-pick-up point corresponding to the initial audio sound-pick-up point,
Figure 540989DEST_PATH_IMAGE022
for the attenuation factor corresponding to the set unit projection distance,
Figure 134781DEST_PATH_IMAGE023
is the set attenuation correction factor.
R2, extracting audio parameters picked up in the positions of the audio pickup points corresponding to the target recording equipment, analyzing according to the analysis mode of the corresponding recording sound quality standard index of the target recording to obtain the corresponding pickup sound quality standard index of the audio pickup points of the target recording equipment, and recording the corresponding pickup sound quality standard index as the corresponding pickup sound quality standard index
Figure 478038DEST_PATH_IMAGE037
。
It should be noted that the calculation formula of the standard index of the sound quality corresponding to each audio pickup point of the target recording device is as follows,
Figure 448268DEST_PATH_IMAGE038
wherein, the first and the second end of the pipe are connected with each other,
Figure 990108DEST_PATH_IMAGE039
correction factors corresponding to the first pickup tone quality and the second pickup tone quality of the audio pickup point respectively,
Figure 692484DEST_PATH_IMAGE040
an expression of the first pickup sound quality estimation coefficient corresponding to the ith audio pickup point of the target recording apparatus,
Figure 585354DEST_PATH_IMAGE041
respectively representing the frequency and the signal-to-noise ratio picked up in the ith audio pick-up point position of the target recording equipment, c1 and c2 are the proportion weight factors corresponding to the set pick-up frequency and the set pick-up signal-to-noise ratio,
Figure 31379DEST_PATH_IMAGE042
corresponding to the expression of the second pickup sound quality evaluation coefficient for the ith audio pickup point of the target recording equipment,
Figure 427725DEST_PATH_IMAGE043
respectively representing the loudness and the sound intensity picked up in the ith audio pick-up point position of the target recording equipment, wherein c3 and c4 are the ratio weight factors corresponding to the set picking-up loudness and picking-up sound intensity.
R3, passing analysis formula
Figure 363320DEST_PATH_IMAGE044
Analyzing and obtaining pickup preference indexes corresponding to the positions of the audio pickup points corresponding to the target recording equipment
Figure 681169DEST_PATH_IMAGE045
A correction factor is preferred for the set pickup.
And R4, comparing the sound pickup preference index corresponding to each audio sound pickup point position corresponding to the target recording equipment with the set standard sound pickup preference index, and taking each audio sound pickup point larger than the standard sound pickup preference index as an alternative audio sound pickup point.
And R5, sequencing the alternative audio sound points from large to small according to the sound pickup preference indexes, taking the alternative audio sound point with the top rank as the optimal sound point, extracting the position corresponding to the optimal sound point, and confirming the regulation and control angle information of the target recording equipment corresponding to the target personnel based on the position of the optimal sound point.
Referring to fig. 2, understandably, based on the position of the optimal sound pick-up point, the control angle information of the target recording device corresponding to the target person is determined, and the specific determination process includes: j1, extracting the positions of the audio sound points corresponding to the initial audio sound points from the layout information of the audio sound points corresponding to the target recording equipment, and constructing an equipment regulation and control direction schematic diagram.
And J2, acquiring the position of the initial audio pickup point corresponding to the optimal pickup point, thereby positioning the relative position of the target recording equipment and the initial audio pickup point corresponding to the optimal pickup point and the number of the initial audio pickup points at intervals from the regulation and control position schematic diagram, wherein the relative position comprises an upper part and a lower part.
J3, if the relative position of the target recording equipment and the initial audio pickup point corresponding to the optimal pickup point is above, the angle regulation and control mode of the target recording equipment is clockwise regulation and control, and the target recording equipment is regulated and controlled through an analysis formula
Figure 462043DEST_PATH_IMAGE024
And analyzing to obtain the corresponding regulation and control angle of the target recording equipment.
J4, if the relative direction of the target recording equipment and the initial audio frequency sound pick-up point corresponding to the optimal sound pick-up point is below, the angle regulation and control mode of the target recording equipment is anticlockwise regulation and control, and the target recording equipment is controlled by an analysis formula
Figure 246984DEST_PATH_IMAGE025
And analyzing to obtain a regulation and control angle corresponding to the target recording equipment, and taking the angle regulation and control mode and the regulation and control angle as regulation and control angle information of the target recording equipment.
According to the embodiment of the invention, the position of the recording equipment corresponding to the recording personnel is regulated and controlled by collecting and analyzing the environmental information in the recording field and the recording scene information of the recording personnel, meanwhile, the audio signal collected by the target personnel corresponding to the target recording equipment is collected and analyzed, and the angle of the recording equipment corresponding to the recording personnel is regulated and controlled, so that the multi-dimensional regulation and control of the recording equipment in the recording process of the recording personnel are realized, on one hand, the problem that the recording equipment in the recording process is not managed in the prior art is effectively solved, the subjective error in a manual regulation and control mode is eliminated, the regulation and control effect of the recording equipment is greatly ensured, the regulation and control accuracy and rationality of the recording equipment are greatly improved, and the pickup distance requirement and pickup angle requirement of the recording personnel are met; on the other hand, the recording finished product period is effectively shortened, and the recording finished product quality is also greatly improved.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims (10)

1. The utility model provides a multichannel recording intelligent management system based on big data which characterized in that: the system comprises:
the recording site information acquisition module is used for acquiring the number of the set recording channels corresponding to the specified video and the recording site information of each set recording channel;
the audio pickup setting module is used for setting audio pickup points according to the recording site information of the set recording channels to obtain the layout information of the recording equipment associated with the set recording channels corresponding to the audio pickup points, and arranging pickup equipment at the positions of the audio pickup points;
the recording equipment matching analysis module is used for recording a certain recording personnel in a set recording site as a target personnel when dubbing recording is carried out on the recording personnel, collecting the sound of the target personnel, further carrying out tone color identification, and accordingly confirming that the target personnel matches the associated recording equipment of the recording channel and recording as the target recording equipment;
the recording site environment information acquisition module is used for detecting recording environment information in a set recording site, acquiring recording scene images of target personnel through a camera arranged in the recording site and identifying the recording scene information corresponding to the target personnel;
the recording equipment position regulation and control analysis module is used for regulating and controlling and analyzing the position of the target recording equipment corresponding to the target personnel and starting a position regulation and control terminal corresponding to the target recording equipment to regulate and control the position;
the audio information acquisition module of a recording person is used for starting the target recording equipment to acquire audio signals when the target recording equipment finishes position regulation and control, and simultaneously starting the pickup equipment in the position corresponding to each audio pickup point of the target recording equipment to monitor the audio signals;
and the audio information analysis module of the recording personnel is used for analyzing the audio signals acquired by the target recording equipment to obtain the regulation and control angle information of the target recording equipment and starting the target recording equipment to correspond to the angle regulation and control terminal for angle regulation and control.
2. The big data based multi-channel recording intelligent management system as claimed in claim 1, wherein: the recording site information of each set recording channel is a matched tone type, associated recording equipment and an initial set recording angle corresponding to the associated recording equipment.
3. The big-data-based multi-channel recording intelligent management system as claimed in claim 2, wherein: the specific operation process of setting the audio pickup point comprises the following steps:
extracting initial set recording angles corresponding to the associated recording equipment of each set recording channel from the recording site information of each set recording channel, and thus, defining the range of the regulation and control angles of the associated recording equipment of each set recording channel;
according to the set unit regulation deflection angle, carrying out area division on the regulation angle range of each set recording channel associated recording device to obtain each audio pickup subarea of each set recording channel associated recording device, taking a central point corresponding to each pickup subarea as an initial audio pickup point, and extracting a position corresponding to each initial audio pickup point;
projecting each initial audio pickup point corresponding to each set recording channel associated recording device to a wall surface of a set recording field to obtain each audio pickup projection point corresponding to each set recording channel associated recording device, and obtaining the distance between each initial audio pickup point corresponding to each set recording channel associated recording device and the corresponding audio pickup projection point thereof, and recording the distance as a projection distance;
and taking each audio pickup projection point corresponding to each set recording channel associated recording equipment as each audio pickup point, extracting the position of each audio pickup point, and taking the position and projection distance of each audio pickup point corresponding to the initial audio pickup point as the layout information of each audio pickup point.
4. The big-data-based multichannel recording intelligent management system as claimed in claim 2, wherein: the recording environment information comprises temperature, air pressure and vibration frequency; and the recording scene information is the horizontal distance and the vertical distance between the target person and the target recording equipment thereof.
5. The big-data-based multichannel recording intelligent management system as claimed in claim 4, wherein: the position of the target recording device corresponding to the target person is subjected to regulation and analysis, and the specific regulation and analysis process comprises the following steps:
step 1, positioning temperature, air pressure and vibration frequency from recording environment information in a set recording field, and recording the temperature, air pressure and vibration frequency as
Figure 738673DEST_PATH_IMAGE001
；
Step 2, analyzing according to an analysis formula to obtain a corresponding recording environment interference index in a set recording site
Figure 340556DEST_PATH_IMAGE002
E is a natural constant
Figure 190700DEST_PATH_IMAGE003
，
Figure 30480DEST_PATH_IMAGE004
Respectively are the ratio weight factors corresponding to the set temperature, air pressure and vibration frequency,
Figure 42299DEST_PATH_IMAGE005
respectively setting standard temperature, standard air pressure and standard vibration frequency corresponding to the set recording environment;
step 3, comparing the recording environment interference index corresponding to the set recording site with the appropriate recording horizontal spacing and the appropriate recording vertical spacing corresponding to each preset recording environment interference index range to obtain the appropriate recording horizontal spacing and the appropriate recording vertical spacing corresponding to the set recording site;
step 4, extracting the horizontal distance and the vertical distance between the target person and the target recording equipment thereof from the recording scene information corresponding to the target person, and recording the horizontal distance and the vertical distance as the current recording horizontal distance and the current recording vertical distance respectively;
step 5, comparing the current recording horizontal distance and the current recording vertical distance corresponding to the target person with the proper recording horizontal distance and the proper recording vertical distance corresponding to the set recording field respectively, obtaining the difference value between the current recording horizontal distance and the proper recording horizontal distance corresponding to the set recording field of the target person and the difference value between the current recording vertical distance and the proper recording vertical distance corresponding to the set recording field respectively, and recording the difference values as a recording horizontal distance difference and a recording vertical distance difference respectively;
and 6, if the recording horizontal interval difference is a positive value, judging that the horizontal position regulation and control mode of the target recording equipment is reduced regulation and control, otherwise, judging that the horizontal position regulation and control mode of the target recording equipment is increased regulation and control, taking the recording horizontal interval difference as a regulation and control value, and obtaining the vertical position regulation and control mode and the regulation and control value of the target recording equipment according to the same manner.
6. The big-data-based multi-channel recording intelligent management system as claimed in claim 3, wherein: the audio signal that equipment gathered is recorded to the target still is used for recording the audio signal that equipment gathered and the audio signal that the equipment monitored of pickup in the corresponding each audio pickup position of equipment was recorded to the target and is handled before carrying out the analysis, and concrete processing flow is as follows:
dividing an audio signal acquired by target recording equipment into signal components through Fourier change, introducing the signal components into an audio analyzer, and outputting audio parameters correspondingly recorded by the target recording equipment, wherein the audio parameters comprise loudness, sound intensity, frequency and signal-to-noise ratio and are respectively marked as X, q, p and z;
and dividing the audio signal monitored by the pickup equipment in the position corresponding to each audio pickup point of the target recording equipment into signal components through Fourier change, introducing the signal components into an audio analyzer, and outputting audio parameters picked up in the position corresponding to each audio pickup point of the target recording equipment.
7. The big-data-based multi-channel recording intelligent management system as claimed in claim 6, wherein: the audio signal collected by the target recording device is analyzed, and the specific analysis process is as follows:
(1) Positioning frequency and signal-to-noise ratio from audio parameters correspondingly recorded by target recording equipment through a first sound quality analysis formula
Figure 69161DEST_PATH_IMAGE006
Analyzing to obtain a first recording sound quality evaluation coefficient corresponding to the target person
Figure 722996DEST_PATH_IMAGE007
，
Figure 151703DEST_PATH_IMAGE008
Respectively a reference frequency and a reference signal-to-noise ratio corresponding to the set audio recording signal,
Figure 334423DEST_PATH_IMAGE009
respectively setting the proportion weight factors corresponding to the frequency and the signal-to-noise ratio;
(2) Positioning loudness and sound intensity from audio parameters correspondingly recorded by target recording equipment, and analyzing the loudness and sound intensity by a second sound quality analysis formula
Figure 176477DEST_PATH_IMAGE010
Analyzing to obtain a second recording sound quality evaluation coefficient corresponding to the target recording equipment
Figure 306107DEST_PATH_IMAGE011
，
Figure 651637DEST_PATH_IMAGE012
Respectively expressed as the ratio weight factors corresponding to the set loudness and the sound intensity,
Figure 474100DEST_PATH_IMAGE013
respectively setting reference loudness and reference sound intensity corresponding to the audio recording signal;
(3) By analytical formula
Figure 286940DEST_PATH_IMAGE014
Analyzing to obtain a recording sound quality standard-reaching index corresponding to the target recording equipment
Figure 282578DEST_PATH_IMAGE015
，
Figure 420298DEST_PATH_IMAGE016
Respectively setting correction factors corresponding to the first recording sound quality evaluation coefficient and the second recording sound quality evaluation coefficient;
(4) Comparing the recording sound quality index reaching the standard corresponding to the target recording equipment with the set standard recording sound quality index reaching the standard, if the recording sound quality index reaching the standard corresponding to the target recording equipment is greater than or equal to the standard recording sound quality index reaching the standard, judging that the recording audio of the target recording equipment is qualified, otherwise, judging that the recording audio of the target recording equipment is unqualified, and analyzing the regulation and control angle.
8. The big-data-based multichannel recording intelligent management system as claimed in claim 7, wherein: still include before carrying out regulation and control angle analysis that the audio signal who records the interior pickup equipment monitoring of equipment correspondence each audio pickup point position is recorded to the target and is carried out the analysis, its concrete analytic process is:
acquiring layout information of each audio frequency sound pick-up point corresponding to the target recording equipment, further acquiring projection distance of each audio frequency sound pick-up point corresponding to the initial audio frequency sound pick-up point, and analyzing by an analysis formula to obtain each audio frequency sound pick-up point pairThe corresponding pickup attenuation weight factor is recorded as
Figure 475979DEST_PATH_IMAGE017
I represents the corresponding audio pick-up point number of the target recording device, i =1, 2.. N;
extracting audio parameters picked up in the positions of the audio pickup points corresponding to the target recording equipment, analyzing according to the analysis mode of the corresponding recorded sound quality standard index of the target recording equipment to obtain the corresponding sound quality standard index of the audio pickup points of the target recording equipment, and recording the sound quality standard index
Figure 761467DEST_PATH_IMAGE018
；
By analysis of formulas
Figure 232899DEST_PATH_IMAGE019
Analyzing and obtaining pickup preference indexes corresponding to the positions of the audio pickup points corresponding to the target recording equipment
Figure 553022DEST_PATH_IMAGE020
Optimizing a correction factor for the set pickup;
comparing the sound pickup preference index corresponding to each audio sound pickup point position corresponding to the target recording equipment with the set standard sound pickup preference index, and taking each audio sound pickup point larger than the standard sound pickup preference index as an alternative audio sound pickup point;
and sequencing the alternative audio sound points according to the sound pickup preference indexes from large to small, taking the alternative audio sound point with the top rank as the optimal sound point, extracting the position corresponding to the optimal sound point, and confirming the regulation and control angle information of the target recording equipment corresponding to the target personnel based on the position of the optimal sound point.
9. The big-data-based multichannel recording intelligent management system as claimed in claim 8, wherein: the pickup attenuation weight factor is calculated by the formula
Figure 717287DEST_PATH_IMAGE021
Wherein, in the step (A),
Figure 490071DEST_PATH_IMAGE022
indicating the projected distance of the ith audio sound-pick-up point corresponding to the initial audio sound-pick-up point,
Figure 561933DEST_PATH_IMAGE023
for the attenuation factor corresponding to the set unit projection distance,
Figure 939824DEST_PATH_IMAGE024
is the set attenuation correction factor.
10. The big-data-based multichannel recording intelligent management system as claimed in claim 8, wherein: and confirming the regulation and control angle information of the target recording equipment corresponding to the target personnel based on the position of the optimal sound pick-up point, wherein the specific confirmation process comprises the following steps:
extracting the position of each audio frequency sound pick-up point corresponding to the initial audio frequency sound pick-up point from the layout information of each audio frequency sound pick-up point corresponding to the target recording equipment, and constructing an equipment regulation and control direction schematic diagram;
acquiring the position of an initial audio pickup point corresponding to the optimal pickup point, and positioning the relative position of the target recording equipment and the initial audio pickup point corresponding to the optimal pickup point and the number of the initial audio pickup points at intervals from a regulation and control position schematic diagram, wherein the relative position comprises an upper part and a lower part;
if the relative position of the target recording equipment and the initial audio frequency sound pick-up point corresponding to the optimal sound pick-up point is above, the angle regulation and control mode of the target recording equipment is clockwise regulation and control, and the target recording equipment is regulated and controlled by an analysis formula
Figure 806149DEST_PATH_IMAGE025
Analyzing to obtain a corresponding regulation and control angle of the target recording equipment;
if the relative position of the target recording equipment and the initial audio frequency sound pick-up point corresponding to the optimal sound pick-up point is below, the target recording equipment is setThe angle regulation mode of the device is anticlockwise regulation through an analysis formula
Figure 331808DEST_PATH_IMAGE025
And analyzing to obtain a regulation and control angle corresponding to the target recording equipment, and taking the angle regulation and control mode and the regulation and control angle as regulation and control angle information of the target recording equipment.
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