CN116437262B - Automatic sound tuning method and system for sound - Google Patents
Automatic sound tuning method and system for sound Download PDFInfo
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- CN116437262B CN116437262B CN202310291069.3A CN202310291069A CN116437262B CN 116437262 B CN116437262 B CN 116437262B CN 202310291069 A CN202310291069 A CN 202310291069A CN 116437262 B CN116437262 B CN 116437262B
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
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Abstract
The application discloses an automatic sound tuning method and system, which belong to the field of sound and relate to the tuning technology, and comprise playing equipment, a control module for controlling the playing equipment to play, a sound acquisition device, a data processing module, a human body identification module and a tuning processing module; the sound reduction rate DJ of the playing device is calculated through the mutual combination of the sound collecting device and the data processing module, the maximum distance value of the person in the playing space from the playing device is obtained through the human body identification module, the volume setting of the playing device is reversely pushed through the set proper loudness value of the human body, the automatic volume adjustment of the playing device is realized, the person in the playing space can enjoy the music sound played by the playing device well, and the person is prevented from calling back and forth to adjust the music sound.
Description
Technical Field
The application belongs to the field of sound equipment, relates to tuning technology, and particularly relates to an automatic sound equipment tuning method and system.
Background
At present, the intelligent equipment has more and more functions, and people have stronger dependence on the intelligent equipment. With the development of intelligent devices, people can carry out audio transmission and audio control through the microphone and the network of the intelligent devices, such as WeChat and a smart voice assistant, so that social interaction and intelligent device control are greatly facilitated.
The existing intelligent equipment is capable of realizing audio playing while providing intelligent control, does not conduct intelligent control on the size of playing sound according to position adjustment of a player, causes poor listening experience because the player is large and small in playing sound when moving, and can adjust the volume only by manual control, so that an intelligent adjusting system is lacked.
Based on the method, the application provides an automatic sound tuning method and system.
Disclosure of Invention
The application aims to provide an automatic sound tuning method and system for sound.
To achieve the above object, one embodiment of the present application provides an automatic tuning system for sound, including a playback device and a control module that can control the playback device;
the playing device is a device capable of playing music and sending out the music; the control module is used for controlling the playing equipment to perform playing control;
preferably, the play control includes turning on and off of music, and volume adjustment of music; the volume adjustment comprises the steps of turning up and turning down and corresponding volume scales;
the sound collection device is arranged around the playing equipment and is used for collecting the volume of music played by the playing equipment;
wherein, a positioning unit is embedded in the sound collection device, and the positioning unit can position the sound collection device;
the sound collection device transmits the collected sound information to the cloud server through the information transmission unit;
the positioning unit sends the position information of the sound collecting device to the cloud server;
preferably, the cloud server is configured to store sound information and position information sent by the sound collecting device and the positioning unit, where the sound information is sound volume of the playing device collected by the sound collecting device, and the position information is a position of the sound collecting device;
the cloud server is connected with a data processing module, the data processing module is used for processing sound information and position information stored in the cloud server, and the process comprises the following steps:
step S101: the data processing module receives the sound information sent by the sound collecting device and marks the sound information as YLi, wherein i is the number of the sound collecting device, i=1, 2 … … n, and the sound information in the application is sound loudness;
the data processing module receives the position information of the sound collecting device sent by the positioning unit and generates a linear distance Xi between the sound collecting device and the playing equipment;
step S102: the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
step S103: and the data processing module sends the calculated sound reduction rate DJ to the cloud server for storage.
Preferably, there is at least one sound collection device mounted at the location of the playback device;
preferably, the system further comprises a human body identification module, wherein the human body identification module is used for identifying personnel information around the playing device, the personnel information comprises but is not limited to position information of personnel, the personnel information acquired by the human body identification module is sent to a cloud server, the cloud server is used for temporarily storing the personnel information sent by the human body identification module, and when the cloud server receives the personnel information sent by the human body identification module, the cloud server feeds back tuning signals to a tuning processing module;
the tuning processing module is in communication and/or electrical connection with the cloud server, and is used for receiving tuning signals sent by the cloud server and carrying out automatic sound tuning after receiving the tuning signals, and the process comprises the following steps:
step T1: the method comprises the steps that a tuning processing module sends an information acquisition signal to a cloud server, and after the cloud server receives the information acquisition signal of the tuning processing module, the cloud server sends personnel information around internally stored playing equipment to the tuning processing module;
step T2: the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m;
the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
step T3: the tuning processing module calculates a sound loudness value YL0 at the playback device using a calculation formula, whereinThe calculation formula of the sound loudness value YL0 at the playback device is:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
preferably, a comparison table of volume scales and sound loudness is stored in the cloud server;
step T4: the tuning processing module acquires a comparison table of volume scales and sound loudness stored in the cloud server, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
step T5: the tuning processing module sends control information to the control module, wherein the control information comprises control signals and volume scales, and the control module adjusts the volume of the playing device according to the volume scales after receiving the control signals sent by the tuning processing module;
another embodiment of the present application provides an automatic tuning method for an audio, including the following steps:
process one: the system calculates a sound reduction rate DJ;
the method comprises the following steps:
SS101: the sound collection device is arranged around the playing equipment, collects the volume of music played by the playing equipment, positions the sound collection device by the positioning unit, and transmits collected sound information to the cloud server through the information transmission unit; the positioning unit sends the position information of the sound collecting device to the cloud server;
SS102: the data processing module receives sound information sent by the sound collecting device and marks the sound information as YLi, wherein i is the number of the sound collecting device, i=1, 2 … … n, and the sound information in the application is sound loudness;
the data processing module receives the position information of the sound collecting device sent by the positioning unit and generates a linear distance Xi between the sound collecting device and the playing equipment;
SS103: the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
and the data processing module sends the calculated sound reduction rate DJ to the cloud server for storage.
And a second process: the volume of the playing device is reversely pushed through the set proper loudness value of the human body;
SS201: the human body identification module identifies personnel information around the playing device, wherein the personnel information comprises, but is not limited to, personnel position information, the personnel information acquired by the human body identification module is sent to the cloud server, and when the cloud server receives the personnel information sent by the human body identification module, the cloud server feeds back tuning signals to the tuning processing module;
SS202: the method comprises the steps that a tuning processing module sends an information acquisition signal to a cloud server, and after the cloud server receives the information acquisition signal of the tuning processing module, the cloud server sends personnel information around internally stored playing equipment to the tuning processing module;
the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m; the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
SS203: the tuning processing module calculates a sound loudness value YL0 at the playing device by using a calculation formula, wherein the calculation formula of the sound loudness value YL0 at the playing device is as follows:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
the tuning processing module acquires a comparison table of volume scales and sound loudness stored in the cloud server, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
and a third process: the system control carries out automatic tuning;
the tuning processing module sends control information to the control module, wherein the control information comprises control signals and volume scales, and the control module adjusts the volume of the playing device according to the volume scales after receiving the control signals sent by the tuning processing module;
and when the calculated sound loudness value YL0 at the playing device is larger than the maximum volume of the playing device, the volume scale in the control signal is the maximum volume scale of the playing device.
Compared with the prior art, the application has the beneficial effects that:
according to the automatic sound tuning method and system for the sound, the sound collection device and the data processing module are combined with each other, the sound reduction rate DJ of the playing device is calculated, the maximum distance value of the person in the playing space from the playing device is obtained through the human body identification module, the volume setting of the playing device is reversely pushed through the set proper loudness value of the person, the automatic volume adjustment of the playing device is achieved, people in the playing space can enjoy music sounds played by the playing device well, and the person is prevented from calling back and forth to adjust the music sounds.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of an automatic tuning system for sound according to the present application;
fig. 2 is a flow chart of an automatic tuning method of a sound device according to the present application.
Detailed Description
The application is characterized in that the application provides an automatic sound tuning method and system, the sound reduction rate DJ of a playing device is calculated through the mutual combination of a sound collecting device and a data processing module, the maximum distance value of a person in a playing space from the playing device is obtained through a human body identification module, the volume setting of the playing device is reversely pushed through the set proper loudness value of the person, the automatic volume adjustment of the playing device is realized, the person in the playing space can enjoy the music sound played by the playing device well, and the person is prevented from calling back and forth to adjust the music sound.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1 specifically, an embodiment of the present application proposes an automatic tuning system for sound, which includes a playing device and a control module capable of controlling the playing device;
in the application, the playing device is a device capable of playing music to send out music, and can be specifically a sound box or a loudspeaker; the control module is used for controlling the playing equipment to perform playing control, wherein the playing control comprises the opening and closing of sound and the volume adjustment of music; the volume adjustment comprises the steps of turning up and turning down and corresponding volume scales;
the sound collection device is arranged around the playing equipment and used for collecting the volume of music played by the playing equipment, wherein a positioning unit is embedded in the sound collection device and can position the sound collection device;
the sound collecting device and the positioning unit share a PCB, the sound collecting device is connected with a power module, the power module is used for supplying power to the sound collecting device and the positioning unit, the sound collecting device further comprises an information transmission unit used for transmitting data, the information transmission unit is connected with the cloud server, and the sound collecting device transmits collected sound information to the cloud server through the information transmission unit;
likewise, the positioning unit is used for sending the position information of the sound collecting device to the cloud server;
in the application, the cloud server is used for storing the sound information and the position information sent by the sound collecting device and the positioning unit, wherein the sound information is the sound volume of the playing equipment collected by the sound collecting device, and the position information is the position of the sound collecting device;
it should be noted that, the cloud server is connected with a data processing module, and the data processing module in the present application is configured to process sound information and location information stored in the cloud server, specifically, a process of processing sound information and location information by the data processing module includes the following steps:
step S101: the data processing module receives the sound information sent by the sound collecting device and marks the sound information as YLi, wherein i is the number of the sound collecting device, i=1, 2 … … n, and the sound information in the application is sound loudness;
the data processing module receives the position information of the sound collecting device sent by the positioning unit and generates a linear distance Xi between the sound collecting device and the playing equipment;
in the application, the data processing module obtains the linear distance between the sound collecting device and the playing device according to the position information of the sound collecting device, and knows the coordinate information of the playing device and the coordinate information of the sound collecting device, and can directly obtain the linear distance Xi through the coordinate information;
step S102: the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
it should be noted that, the sound attenuation rate DJ represents the attenuation value of sound at a unit distance, and in the present application, no substance capable of entering a sudden change of sound attenuation, i.e. no house wall barrier, exists outside the default playing device;
step S103: and the data processing module sends the calculated sound reduction rate DJ to the cloud server for storage.
It should be noted that, in the present application, at least one sound collection device is installed at the position of the playing device;
the automatic sound tuning system further comprises a human body identification module, wherein the human body identification module is used for identifying personnel information around the playing equipment, the personnel information comprises but is not limited to position information of personnel, the personnel information acquired by the human body identification module is sent to a cloud server, the cloud server is used for temporarily storing the personnel information sent by the human body identification module, and when the cloud server receives the personnel information sent by the human body identification module, the cloud server feeds back tuning signals to a tuning processing module;
the tuning processing module is in communication and/or electrical connection with the cloud server, and is used for receiving tuning signals sent by the cloud server and performing automatic sound tuning after receiving the tuning signals, wherein the process of performing automatic sound tuning on playing equipment by the tuning processing module comprises the following steps:
step T1: the method comprises the steps that a tuning processing module sends an information acquisition signal to a cloud server, and after the cloud server receives the information acquisition signal of the tuning processing module, the cloud server sends personnel information around internally stored playing equipment to the tuning processing module;
step T2: the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m;
the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
the data are screened to be arranged, and the maximum value is obtained after the data are arranged;
step T3: the tuning processing module calculates a sound loudness value YL0 at the playing device by using a calculation formula, wherein the calculation formula of the sound loudness value YL0 at the playing device is as follows:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
in the application, it is also to be noted that, the cloud server stores a comparison table of volume scale and sound loudness;
step T4: the tuning processing module acquires a comparison table of volume scales and sound loudness stored in the cloud server, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
step T5: the tuning processing module sends control information to the control module, wherein the control information comprises control signals and volume scales, and the control module adjusts the volume of the playing device according to the volume scales after receiving the control signals sent by the tuning processing module;
it should be noted that, when the calculated loudness value YL0 of the sound at the playing device is greater than the maximum volume of the playing device, the volume scale in the control signal is the maximum volume scale of the playing device.
According to the automatic sound tuning system provided by the embodiment, the sound collecting device, the human body identification module, the data processing module and the tuning processing module are arranged, the sound decreasing rate DJ of the playing device is calculated through the mutual combination of the sound collecting device and the data processing module, the maximum distance value of a person in a playing space from the playing device is obtained through the human body identification module, the volume setting of the playing device is reversely pushed through the set proper loudness value of the human body, the automatic volume adjustment of the playing device is realized, people in the playing space can enjoy music sound played by the playing device well, and the situation that the person calls back and forth the music sound is avoided.
Example 2
Referring to fig. 2, another embodiment of the present application provides an automatic tuning method for sound, which includes the following steps:
process one: the system calculates a sound reduction rate DJ;
mainly comprises the following steps:
SS101: the sound collection device is arranged around the playing equipment, collects the volume of music played by the playing equipment, positions the sound collection device by the positioning unit, and transmits collected sound information to the cloud server through the information transmission unit; the positioning unit sends the position information of the sound collecting device to the cloud server;
SS102: the data processing module receives sound information sent by the sound collecting device and marks the sound information as YLi, wherein i is the number of the sound collecting device, i=1, 2 … … n, and the sound information in the application is sound loudness;
the data processing module receives the position information of the sound collecting device sent by the positioning unit and generates a linear distance Xi between the sound collecting device and the playing equipment;
SS103: the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
and the data processing module sends the calculated sound reduction rate DJ to the cloud server for storage.
And a second process: the volume of the playing device is reversely pushed through the set proper loudness value of the human body;
mainly comprises the following steps:
SS201: the human body identification module identifies personnel information around the playing device, wherein the personnel information comprises, but is not limited to, personnel position information, the personnel information acquired by the human body identification module is sent to the cloud server, and when the cloud server receives the personnel information sent by the human body identification module, the cloud server feeds back tuning signals to the tuning processing module;
SS202: the method comprises the steps that a tuning processing module sends an information acquisition signal to a cloud server, and after the cloud server receives the information acquisition signal of the tuning processing module, the cloud server sends personnel information around internally stored playing equipment to the tuning processing module;
the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m; the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
SS203: the tuning processing module calculates a sound loudness value YL0 at the playing device by using a calculation formula, wherein the calculation formula of the sound loudness value YL0 at the playing device is as follows:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
the tuning processing module acquires a comparison table of volume scales and sound loudness stored in the cloud server, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
and a third process: the system control carries out automatic tuning;
the tuning processing module sends control information to the control module, wherein the control information comprises control signals and volume scales, and the control module adjusts the volume of the playing device according to the volume scales after receiving the control signals sent by the tuning processing module;
and when the calculated sound loudness value YL0 at the playing device is larger than the maximum volume of the playing device, the volume scale in the control signal is the maximum volume scale of the playing device.
According to the automatic sound tuning method for the sound equipment, the sound reduction rate DJ of the playing equipment is calculated through the mutual combination of the sound collecting device and the data processing module, the maximum distance value of the person in the playing space from the playing equipment is obtained through the human body identification module, the volume setting of the playing equipment is reversely pushed through the set proper loudness value of the person, the automatic volume adjustment of the playing equipment is achieved, people in the playing space can enjoy music sounds played by the playing equipment well, and the person is prevented from calling back and forth to adjust the music sounds.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas which are obtained by acquiring a large amount of data and performing software simulation to obtain the closest actual situation, and preset parameters and preset thresholds in the formulas are set by a person skilled in the art according to the actual situation or are obtained by simulating a large amount of data.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The automatic sound tuning system comprises playing equipment and a control module for controlling the playing equipment to play and control, and is characterized by further comprising a sound acquisition device, a data processing module, a human body identification module and a tuning processing module;
the sound collection device is used for collecting sound information of the playing equipment, a positioning unit is arranged in the sound collection device, and the positioning unit is used for positioning position information of the sound collection device;
the data processing module is used for processing the sound information and the positioning information;
the data processing module receives the sound information sent by the sound acquisition device and marks the sound information as YLi, wherein i is the number of the sound acquisition device, i=1, 2 … … n, and the data processing module receives the position information of the sound acquisition device sent by the positioning unit and generates the linear distance Xi between the sound acquisition device and the playing equipment;
the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
the human body identification module is used for identifying personnel information around the playing equipment, wherein the personnel information comprises the position information of personnel;
the tuning processing module is used for performing automatic tuning processing on sound equipment of playing equipment, and comprises the following steps:
the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m;
the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
the tuning processing module calculates a sound loudness value YL0 at the playing device by using a calculation formula, wherein the calculation formula of the sound loudness value YL0 at the playing device is as follows:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
the tuning processing module acquires a comparison table of volume scales and sound loudness, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
the tuning processing module sends control information to the control module, wherein the control information comprises control signals and volume scales;
and after receiving the control signal sent by the tuning processing module, the control module adjusts the volume of the playing device according to the volume scale.
2. An automatic tuning system for sound as claimed in claim 1, wherein the play control includes turning on and off of sound and volume adjustment of sound;
the volume adjustment includes turning up and down and adjusting the corresponding volume scale.
3. An automatic tuning system for sound as claimed in claim 2, wherein the sound collection device is installed around the playing device, and a positioning unit is installed in the sound collection device in an embedded manner;
the sound collection device and the positioning unit share a PCB, the sound collection device is connected with a power module, the power module is used for supplying power to the sound collection device and the positioning unit, and the sound collection device further comprises an information transmission unit used for transmitting data.
4. An acoustic automatic tuning system as in claim 3, wherein at least one sound collection device is mounted at the location of the playback device.
5. The automatic tuning system of claim 4, further comprising a cloud server for storing the sound information and the position information sent by the sound collection device and the positioning unit, and for storing a comparison table of volume scales and sound loudness.
6. An automatic sound tuning system as claimed in claim 5, wherein the volume scale in the control signal is the maximum volume scale of the playback device when the calculated sound loudness value YL0 at the playback device is greater than the maximum volume of the playback device.
7. An automatic tuning system for sound as claimed in claim 6, wherein the data filtering means is advanced data alignment and the maximum value is obtained after the data alignment.
8. The automatic tuning system of claim 7, wherein the process of the data processing module obtaining the linear distance between the sound collection device and the playing device according to the position information of the sound collection device is:
and acquiring coordinate information of the playing equipment and coordinate information of the sound acquisition device, and obtaining the linear distance Xi through the coordinate information.
9. An automatic sound tuning method is characterized by comprising the following steps:
calculating a sound reduction rate DJ;
SS101: the sound collection device is arranged around the playing equipment, collects the volume of music played by the playing equipment, positions the sound collection device by the positioning unit, and transmits collected sound information to the cloud server through the information transmission unit; the positioning unit sends the position information of the sound collecting device to the cloud server;
SS102: the data processing module receives sound information sent by the sound collecting device and marks the sound information as YLi, wherein i is the number of the sound collecting device, i=1, 2 … … n, and the sound information in the application is sound loudness;
the data processing module receives the position information of the sound collecting device sent by the positioning unit and generates a linear distance Xi between the sound collecting device and the playing equipment;
SS103: the data processing module calculates a sound reduction rate DJ, wherein the calculation formula of the sound reduction rate DJ is as follows:
in the present formula, the number of the cells,is a correction coefficient;
the data processing module sends the calculated sound reduction rate DJ to the cloud server for storage,
the volume of the playing device is reversely pushed through the set proper loudness value of the human body;
SS201: the human body identification module identifies personnel information around the playing device, wherein the personnel information comprises, but is not limited to, personnel position information, the personnel information acquired by the human body identification module is sent to the cloud server, and when the cloud server receives the personnel information sent by the human body identification module, the cloud server feeds back tuning signals to the tuning processing module;
SS202: the method comprises the steps that a tuning processing module sends an information acquisition signal to a cloud server, and after the cloud server receives the information acquisition signal of the tuning processing module, the cloud server sends personnel information around internally stored playing equipment to the tuning processing module;
the tuning processing module acquires coordinate information of the playing device, and acquires a linear distance Sj between personnel around the playing device and the playing device by combining personnel information around the playing device, wherein j represents a plurality of personnel numbers around the playing device, j is a positive integer, and j=1, 2 … … m; the tuning processing module performs data screening on Sj to obtain the maximum value of the linear distance Sj, and marks the maximum value as Smax;
SS203: the tuning processing module calculates a sound loudness value YL0 at the playing device by using a calculation formula, wherein the calculation formula of the sound loudness value YL0 at the playing device is as follows:
in the present calculation formula, the calculation formula,the human body proper loudness value is set by human, and the human body proper loudness value is set by human, namely, the human body proper loudness value is set by human body proper loudness value>Is a gain coefficient;
the tuning processing module acquires a comparison table of volume scales and sound loudness stored in the cloud server, and combines the calculated sound loudness value YL0 at the playing device to obtain an adjusted volume scale;
the system control carries out automatic tuning;
the tuning processing module sends control information to the control module, the control information comprises control signals and volume scales, and the control module adjusts the volume of the playing device according to the volume scales after receiving the control signals sent by the tuning processing module.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements an acoustic auto tuning method as claimed in claim 9 when executing the program.
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