CN111477207B - Intelligent physical noise reduction algorithm system and method - Google Patents
Intelligent physical noise reduction algorithm system and method Download PDFInfo
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- CN111477207B CN111477207B CN202010319404.2A CN202010319404A CN111477207B CN 111477207 B CN111477207 B CN 111477207B CN 202010319404 A CN202010319404 A CN 202010319404A CN 111477207 B CN111477207 B CN 111477207B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
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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
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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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
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
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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
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
- H04S7/303—Tracking of listener position or orientation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/109—Compressors, e.g. fans
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to a noise reduction algorithm system method of an intelligent physical cloud server, which comprises intelligent equipment, a cloud server and an intelligent physical noise reduction sound box terminal; the intelligent equipment is an intelligent equipment provided with a WeChat public number; the Wi-Fi device is used for connecting the noise reduction processing system device with the cloud server and has a music downloading and playing function; the noise reduction acquisition emission MIC is respectively arranged around the box body; the MIC receiving device is used for collecting environmental noise and transmitting the collected noise to the MIC receiving device; the MIC receiving device is used for receiving noise emitted by the noise reduction acquisition emission MIC; the human body detector is used for detecting the distance between the box body and a human body; the environment detector is used for detecting the size of the space in which the box body is arranged. And the noise reduction acquisition and emission MIC is used for acquiring environmental noise data and processing the environmental noise data for a noise reduction processing system. The beneficial effects are that: the stereo balance of people at any position of the environment is realized, the noise of the environment is reduced, and the non-frequency noise of the human ear electric appliance is reduced.
Description
Technical Field
The invention relates to the application fields of intelligent cloud server algorithm noise reduction, physical acquisition noise reduction and space environment size echo noise reduction, in particular to a method capable of monitoring left and right sound channel balance noise reduction of a human body position in real time and noise reduction of a state with an anti-sound wave physical elimination algorithm.
Background
Along with the continuous promotion of the intelligent degree of terminal product and the high integration of mobile internet and intelligent terminal, intelligent device pronunciation fall the function such as noise, wisdom audio amplifier, wisdom city pronunciation are used widely. At present, due to environmental noise, household appliance noise and space echo cannot be subjected to unilateral noise reduction, so that functions such as intelligent city, intelligent robot, man-machine interaction, voice interaction and the like all need noise reduction under different environments. Therefore, technology update is urgently needed to adapt to market demands and fill the market gap.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the intelligent physical noise reduction system and method are used for physical acquisition and noise reduction, and anti-sound wave elimination and noise reduction, so that the problems of noise reduction of existing digital household appliances such as air conditioning fans and compressors, environmental noise acquisition and noise reduction and balanced noise reduction of left and right sound channels of human body detection positions are solved.
In order to solve the technical problems, the invention provides an intelligent physical noise reduction system and method, comprising intelligent equipment, a cloud server and an intelligent physical noise reduction sound box terminal; the intelligent equipment is an intelligent equipment provided with a WeChat public number; the intelligent device comprises a Wi-Fi device; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
the intelligent physical noise reduction sound box terminal comprises: a box body and a noise reduction processing system device; sound box pronunciation equipment device; the noise reduction processing system device is arranged on the box body; the sound box pronunciation equipment devices are arranged at two sides of the box body; at least 2 sound box pronunciation equipment devices are arranged; the sound box pronunciation equipment device comprises a left sound channel and a right sound channel.
The noise reduction processing system device comprises an MCU control device, a Wi-Fi device, a noise reduction acquisition and transmission MIC, an MIC receiving device, a human body detector and an environment detector;
the MCU control device is electrically connected with the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the MCU control device is used for controlling the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the Wi-Fi device is used for connecting the noise reduction processing system device with the cloud server, and the noise reduction processing system device is connected with the cloud server through the Wi-Fi device to download music for playing;
the noise reduction acquisition emission MIC is at least 4; and are respectively arranged around the box body; the MIC receiving device is used for collecting environmental noise and transmitting the collected noise to the MIC receiving device;
the MIC receiving device is used for receiving noise emitted by the noise reduction acquisition emission MIC;
the human body detector is used for detecting the distance between the box body and a human body;
the environment detector is used for detecting the size of the space in which the box body is arranged.
And further optimizing, wherein the noise reduction acquisition and emission MIC is used for acquiring environmental noise data and processing the environmental noise data for a noise reduction processing system device.
Further preferably, the intelligent device is a smart phone, a tablet computer, a notebook computer or a smart watch.
And further optimizing, the MCU control device performs data analysis on the noise, and outputs reverse noise to the sound box sounding equipment device for noise synchronous elimination.
Further optimized, the MCU control device requires the same sound wave amplitude obtained by the sound waves of the left sound channel and the right sound channel reaching the human body position simultaneously with the sound waves of the human body detection position, so that the balance of the left sound channel and the right sound channel is achieved, and the main sound waves mutually wind the balance of the left sound channel and the right sound channel to reduce noise.
Further optimizing, the intelligent physical noise reduction method of the intelligent physical noise reduction system comprises the following steps:
step one: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the information uploaded by the intelligent mobile terminal to the authorized intelligent device;
step three: after the intelligent equipment obtains the authorization of the cloud server, the intelligent equipment is connected with the cloud server through Wi-Fi, and song ordering and language interaction are performed according to the noise reduction control system;
step four: the MCU control device is used for denoising and collecting MIC emission data and sending the MIC emission data to the denoising and collecting receiving end;
step five: the MCU control device is used for denoising, acquiring and receiving the MIC transmitting data;
step six: the MCU control device starts an environment detector to detect the environment;
step seven: the MCU control device starts the human body detector to detect the person;
step eight: the MCU control device receives the data and compares the data;
step nine: and the MCU control device receives the data and performs data comparison to obtain data which are distributed to the left channel and the right channel.
Step ten: the sound box sound producing device obtains data to carry out sound amplifying and counter sound wave, digital intelligence and environment collection physical noise reduction effects are obtained through elimination, and the left sound channel and the right sound channel can distribute sound sizes according to sound wave space transmission distances of detection positions of the human body detector, so that people can hear stereo left and right sound channel balance effects at any positions.
After the technical scheme is adopted, the invention has the beneficial effects that:
compared with the prior art, the intelligent physical noise reduction algorithm system method is provided, the intelligent physical noise reduction algorithm system method is used by connecting the WeChat code, favorite songs are played anytime and anywhere, the weather conditions are greeted, man-machine interaction is performed, the delicacies of the songs are enjoyed in a certain environment, the environmental noise is eliminated, and the balance of the left and right sound channels of the stereo effect can be enjoyed when people walk in a room.
Drawings
FIG. 1 is a diagram of the noise inverse of an intelligent physical noise reduction algorithm system method;
FIG. 2 is a diagram of sound wave balance operation for sound wave left and right channel transmission;
FIG. 3 is a flow chart of a method of operating an intelligent physical noise reduction algorithm system;
FIG. 4 is a block diagram of a method operation of the intelligent physical noise reduction algorithm system.
Detailed Description
The invention will now be described in detail with reference to figures 1 to 4 and the specific examples, but without limiting the invention.
As shown in fig. 1 to fig. 4, an intelligent physical noise reduction algorithm system method comprises an intelligent device, a cloud server and an intelligent physical noise reduction sound box terminal; the intelligent equipment is an intelligent equipment provided with a WeChat public number; the intelligent device comprises a Wi-Fi device; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
the intelligent physical noise reduction sound box terminal comprises: a box body and a noise reduction processing system device; sound box pronunciation equipment device; the noise reduction processing system device is arranged on the box body; the sound box pronunciation equipment devices are arranged at two sides of the box body; at least 2 sound box pronunciation equipment devices are arranged; the sound box pronunciation equipment device comprises a left sound channel and a right sound channel.
The noise reduction processing system device comprises an MCU control device, a Wi-Fi device, a noise reduction acquisition and transmission MIC, an MIC receiving device, a human body detector and an environment detector;
the MCU control device is electrically connected with the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the MCU control device is used for controlling the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the Wi-Fi device is used for connecting the noise reduction processing system device with the cloud server, and the noise reduction processing system device is connected with the cloud server through the Wi-Fi device to download music for playing;
the noise reduction acquisition emission MIC is at least 4; and are respectively arranged around the box body; the MIC receiving device is used for collecting environmental noise and transmitting the collected noise to the MIC receiving device;
the MIC receiving device is used for receiving noise emitted by the noise reduction acquisition emission MIC;
the human body detector is used for detecting the distance between the box body and a human body;
the environment detector is used for detecting the size of the space in which the box body is arranged. And the noise reduction acquisition and emission MIC is used for acquiring environmental noise data and processing the environmental noise data for the MCU control device.
The intelligent device is a smart phone, a tablet personal computer, a notebook computer and a smart watch.
The MCU control device performs data analysis on the noise, compares the data analysis with the output reverse noise and performs noise synchronous elimination on the sound box sounding equipment device.
The MCU control device requires the same sound wave amplitude obtained by the sound waves of the left sound channel and the right sound channel reaching the human body position at the same time with the sound waves of the human body detection position, achieves balance of the left sound channel and the right sound channel, and realizes balance noise reduction of the main sound wave around the left sound channel and the right sound channel.
The intelligent physical noise reduction method of the intelligent physical noise reduction system comprises the following steps:
step one: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the information uploaded by the intelligent mobile terminal to the authorized intelligent device;
step three: after the intelligent equipment obtains the authorization of the cloud server, the intelligent equipment is connected with the cloud server through Wi-Fi, and song ordering and language interaction are performed according to the noise reduction control system;
step four: the MCU control device is used for denoising and collecting MIC emission data and sending the MIC emission data to the denoising and collecting receiving end;
step five: the MCU control device is used for denoising, acquiring and receiving the MIC transmitting data;
step six: the MCU control device starts an environment detector to detect the environment;
step seven: the MCU control device starts the human body detector to detect the person;
step eight: the MCU control device receives the data and compares the data;
step nine: and the MCU control device receives the data and performs data comparison to obtain data which are distributed to the left channel and the right channel.
Step ten: the sound box sound producing device obtains data to carry out sound amplifying and counter sound wave, digital intelligence and environment collection physical noise reduction effects are obtained through elimination, and the left sound channel and the right sound channel can distribute sound sizes according to sound wave space transmission distances of detection positions of the human body detector, so that people can hear stereo left and right sound channel balance effects at any positions.
It is known from the technical knowledge that the present technical solution can be implemented by other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (3)
1. An intelligent physical noise reduction system comprises intelligent equipment, a cloud server and an intelligent physical noise reduction sound box terminal; the method is characterized in that: the intelligent equipment is an intelligent equipment provided with a WeChat public number; the intelligent device comprises a Wi-Fi device; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
the intelligent physical noise reduction sound box terminal comprises: a box body and a noise reduction processing system device; sound box pronunciation equipment device; the noise reduction processing system device is arranged on the box body; the sound box pronunciation equipment devices are arranged at two sides of the box body; at least 2 sound box pronunciation equipment devices are arranged; the sound box pronunciation equipment device comprises a left sound channel and a right sound channel;
the noise reduction processing system device comprises an MCU control device, a Wi-Fi device, a noise reduction acquisition and transmission MIC, an MIC receiving device, a human body detector and an environment detector;
the MCU control device is electrically connected with the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the MCU control device is used for controlling the Wi-Fi device, the noise reduction acquisition and transmission MIC, the MIC receiving device, the human body detector and the environment detector;
the Wi-Fi device is used for connecting the noise reduction processing system device with the cloud server;
the noise reduction acquisition emission MIC is at least 4; and are respectively arranged around the box body; the MIC receiving device is used for collecting environmental noise and transmitting the collected noise to the MIC receiving device;
the MIC receiving device is used for receiving noise emitted by the noise reduction acquisition emission MIC;
the human body detector is used for detecting the distance between the box body and a human body;
the environment detector is used for detecting the size of the space in which the box body is arranged; the noise reduction acquisition emission MIC acquires environmental noise data and processes the environmental noise data to a noise reduction processing system device;
the noise reduction processing system device performs data analysis on the noise, compares and outputs reverse noise to the sound box sounding equipment device to perform noise synchronous elimination;
the MCU control device requires the same sound wave amplitude obtained by the sound waves of the left sound channel and the right sound channel reaching the human body position at the same time with the sound waves of the human body detection position, achieves balance of the left sound channel and the right sound channel, and realizes balance noise reduction of the main sound wave around the left sound channel and the right sound channel.
2. An intelligent physical noise reduction system according to claim 1, wherein: the intelligent device is a smart phone, a tablet personal computer, a notebook computer and a smart watch.
3. The intelligent physical noise reduction method of the intelligent physical noise reduction system according to claim 1, comprising the steps of:
step one: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the information uploaded by the intelligent mobile terminal to the authorized intelligent device;
step three: after the intelligent equipment obtains the authorization of the cloud server, the intelligent equipment is connected with the cloud server through Wi-Fi, and song ordering and language interaction are performed according to the noise reduction control system;
step four: the MCU control device is used for denoising and collecting MIC emission data and sending the MIC emission data to the denoising and collecting receiving end;
step five: the MCU control device is used for denoising, acquiring and receiving the MIC transmitting data;
step six: the MCU control device starts an environment detector to detect the environment;
step seven: the MCU control device starts the human body detector to detect the person;
step eight: the MCU control device receives the data and compares the data;
step nine: the MCU control device receives data and performs data comparison to obtain data which are distributed to a left channel and a right channel;
step ten: the sound box sound producing device obtains data to carry out sound amplifying and counter sound wave, digital intelligence and environment collection physical noise reduction effects are obtained through elimination, and the left sound channel and the right sound channel can distribute sound sizes according to sound wave space transmission distances of detection positions of the human body detector, so that people can hear stereo left and right sound channel balance effects at any positions.
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2235309A1 (en) * | 1998-04-20 | 1999-10-20 | Anant Grewal | Active noise and vibration control, especially in aircraft |
| US9100748B2 (en) * | 2007-05-04 | 2015-08-04 | Bose Corporation | System and method for directionally radiating sound |
| EP3226580B1 (en) * | 2016-03-31 | 2020-04-29 | Harman Becker Automotive Systems GmbH | Automatic noise control for a vehicle seat |
| JP6880881B2 (en) * | 2017-03-21 | 2021-06-02 | ヤマハ株式会社 | Headphones |
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