CN111477207A - Intelligent physical noise reduction algorithm system and method - Google Patents
Intelligent physical noise reduction algorithm system and method Download PDFInfo
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- CN111477207A CN111477207A CN202010319404.2A CN202010319404A CN111477207A CN 111477207 A CN111477207 A CN 111477207A CN 202010319404 A CN202010319404 A CN 202010319404A CN 111477207 A CN111477207 A CN 111477207A
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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 installed with a WeChat public number; the Wi-Fi device is used for connecting the noise reduction processing system device with a cloud server and has a music downloading and playing function; the noise reduction acquisition emission MICs are respectively arranged on the periphery of the box body; the 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 generated by noise reduction acquisition and transmission MIC emission; 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 where the box body is arranged. And the noise reduction acquisition emission MIC is used for acquiring environmental noise data and processing the environmental noise data to a noise reduction processing system. The beneficial effects are that: the stereo balance of the characters at any position of the environment is realized, the noise of the environment is reduced, and the non-frequency noise of the electric appliances of the ears of the human is reduced.
Description
Technical Field
The invention relates to the application field of algorithm noise reduction, physical acquisition noise reduction and space environment echo noise reduction of an intelligent cloud server, in particular to a method capable of monitoring the balance noise reduction of left and right sound channels of a human body position in real time and noise reduction with an anti-sound wave physical elimination algorithm in a state.
Background
Along with the intelligent degree of terminal product constantly promotes and mobile internet and intelligent terminal's high integration, functions such as smart machine voice noise reduction, wisdom audio amplifier, wisdom city voice interaction have obtained the wide use. At present, due to the fact that environmental noise, household appliance noise and spatial echo cannot be subjected to unilateral noise reduction, functions of an intelligent city, an intelligent robot, human-computer interaction, voice interaction and the like need noise reduction in different environments. Therefore, technology updating is urgently needed to meet market demands and fill up market gaps.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the system and the method for intelligent physical noise reduction are provided, physical collection noise reduction and anti-sound wave elimination noise reduction are realized, and the problems of noise reduction of the existing digital household appliances such as air conditioning fans and compressors, environmental noise collection noise reduction and left and right sound channel balance noise reduction 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, which comprise an intelligent device, a cloud server and an intelligent physical noise reduction sound box terminal; the intelligent equipment is installed with a WeChat public number; the smart device includes a Wi-Fi apparatus; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
intelligence physics falls audio amplifier terminal of making an uproar includes: the device comprises a box body and a noise reduction processing system device; a sound box pronunciation device; the noise reduction processing system device is arranged on the box body; the sound box sounding equipment devices are arranged on two sides of the box body; the number of the sound box sounding equipment devices is at least 2; 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 emission 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 emission 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 emission 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 number of MICs of the noise reduction acquisition emission is at least 4; and are respectively arranged around the box body; the 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 generated by noise reduction acquisition and transmission MIC emission;
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 where 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 to a noise reduction processing system.
Further preferably, the intelligent device is a smart phone, a tablet computer, a notebook computer and an intelligent watch.
And further optimizing, the noise reduction control processing system performs data analysis on the noise and outputs reverse noise to the sound box pronunciation equipment device for noise synchronous elimination.
Further optimization, the noise reduction control processing system requires that sound waves of a left sound channel and a right sound channel and a human body detection position reach the same sound wave amplitude obtained by a human body position at the same time, balance of the left sound channel and the right sound channel is achieved, and main sound waves mutually surround the left sound channel and the right sound channel to reduce noise in a balanced manner.
Further, the intelligent physical noise reduction method of the intelligent physical noise reduction system comprises the following steps:
the method comprises the following steps: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the authorized intelligent equipment through the information uploaded by the intelligent mobile terminal;
step three: after the intelligent equipment is authorized by the cloud server, the intelligent equipment is connected with the cloud server through the Wi-Fi and carries out song on demand and language interaction according to the noise reduction control system;
step four: the noise reduction control processing system is used for reducing noise and acquiring MIC emission data to a noise reduction acquisition receiving terminal;
step five: the noise reduction control processing system receives and receives MIC emission data;
step six: the noise reduction control processing system starts an environment detector to detect the environment;
step seven: the noise reduction control processing system starts a human body detector to detect people;
step eight: data comparison is carried out on the data received by the noise reduction control processing system;
step nine: and comparing the data received by the noise reduction control processing system to obtain data which is distributed to the left channel and the right channel.
Step ten: the sound box pronunciation equipment device obtains data to amplify and reflect sound waves, digital intelligence and environment acquisition physical noise reduction effects are obtained through elimination, the left sound channel and the right sound channel can distribute sound according to the detection position of the human body detector by carrying out sound wave space transmission distance, and people can hear the stereo left and right sound channel balance effects at any position.
After the technical scheme is adopted, the invention has the beneficial effects that:
compared with the prior art, the invention provides an intelligent physical noise reduction algorithm system method, which is used by connecting with a WeChat sweep code, plays favorite songs, greeting weather conditions and man-machine interaction anytime and anywhere, enjoys the delicacy of the songs in a certain environment, eliminates environmental noise, and can enjoy the left and right sound channel balance of the stereo effect when a user walks in a room.
Drawings
FIG. 1 is a noise inverse noise reduction diagram of an intelligent physical noise reduction algorithm system method;
FIG. 2 is a diagram of acoustic left and right channel transmitted acoustic balance operation;
FIG. 3 is a flowchart of a system method work flow of an intelligent physical noise reduction algorithm;
FIG. 4 is a diagram of a working module of a system method of an intelligent physical noise reduction algorithm.
Detailed Description
The invention will be described in detail below with reference to fig. 1 to 4 and specific examples, but the invention is not limited thereto.
As shown in fig. 1 to 4, an intelligent physical noise reduction algorithm method includes an intelligent device, a cloud server, and an intelligent physical noise reduction speaker terminal; the intelligent equipment is installed with a WeChat public number; the smart device includes a Wi-Fi apparatus; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
intelligence physics falls audio amplifier terminal of making an uproar includes: the device comprises a box body and a noise reduction processing system device; a sound box pronunciation device; the noise reduction processing system device is arranged on the box body; the sound box sounding equipment devices are arranged on two sides of the box body; the number of the sound box sounding equipment devices is at least 2; 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 emission 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 emission 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 emission 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 number of MICs of the noise reduction acquisition emission is at least 4; and are respectively arranged around the box body; the 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 generated by noise reduction acquisition and transmission MIC emission;
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 where the box body is arranged. And the noise reduction acquisition emission MIC is used for acquiring environmental noise data and processing the environmental noise data to a noise reduction processing system.
The intelligent equipment is a smart phone, a tablet computer, a notebook computer and an intelligent watch.
The noise reduction control processing system performs data analysis on the noise and outputs reverse noise to the sound box pronunciation equipment device for noise synchronous elimination.
The noise reduction control processing system requires that sound waves of a left sound channel and a right sound channel and a human body detection position reach the same sound wave amplitude obtained by a human body position at the same time, the balance of the left sound channel and the right sound channel is achieved, and main sound waves are mutually wound around the left sound channel and the right sound channel to reduce noise in a balanced manner.
The intelligent physical noise reduction method of the intelligent physical noise reduction system comprises the following steps:
the method comprises the following steps: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the authorized intelligent equipment through the information uploaded by the intelligent mobile terminal;
step three: after the intelligent equipment is authorized by the cloud server, the intelligent equipment is connected with the cloud server through the Wi-Fi and carries out song on demand and language interaction according to the noise reduction control system;
step four: the noise reduction control processing system is used for reducing noise and acquiring MIC emission data to a noise reduction acquisition receiving terminal;
step five: the noise reduction control processing system receives and receives MIC emission data;
step six: the noise reduction control processing system starts an environment detector to detect the environment;
step seven: the noise reduction control processing system starts a human body detector to detect people;
step eight: data comparison is carried out on the data received by the noise reduction control processing system;
step nine: and comparing the data received by the noise reduction control processing system to obtain data which is distributed to the left channel and the right channel.
Step ten: the sound box pronunciation equipment device obtains data to amplify and reflect sound waves, digital intelligence and environment acquisition physical noise reduction effects are obtained through elimination, the left sound channel and the right sound channel can distribute sound according to the detection position of the human body detector by carrying out sound wave space transmission distance, and people can hear the stereo left and right sound channel balance effects at any position.
It will be appreciated by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
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 installed with a WeChat public number; the smart device includes a Wi-Fi apparatus; the Wi-Fi device is used for connecting the intelligent equipment with the cloud server;
intelligence physics falls audio amplifier terminal of making an uproar includes: the device comprises a box body and a noise reduction processing system device; a sound box pronunciation device; the noise reduction processing system device is arranged on the box body; the sound box sounding equipment devices are arranged on two sides of the box body; the number of the sound box sounding equipment devices is at least 2; the sound box pronunciation equipment device comprises a left sound channel and a right sound channel.
2. The intelligent physical noise reduction system of claim 1, wherein:
the noise reduction processing system device comprises an MCU control device, a Wi-Fi device, a noise reduction acquisition emission 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 emission 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 emission 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 a cloud server;
the number of MICs of the noise reduction acquisition emission is at least 4; and are respectively arranged around the box body; the 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 generated by noise reduction acquisition and transmission MIC emission;
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 where the box body is arranged.
3. The intelligent physical noise reduction system of claim 2, wherein: and the noise reduction acquisition emission MIC is used for acquiring environmental noise data and processing the environmental noise data to a noise reduction processing system.
4. The intelligent physical noise reduction system of claim 1, wherein: the intelligent equipment is a smart phone, a tablet computer, a notebook computer and an intelligent watch.
5. The intelligent physical noise reduction system of claim 1, wherein: the noise reduction control processing system performs data analysis on the noise and outputs reverse noise to the sound box pronunciation equipment device for noise synchronous elimination.
6. The intelligent physical noise reduction system of claim 1, wherein: the noise reduction control processing system requires that sound waves of a left sound channel and a right sound channel and a human body detection position reach the same sound wave amplitude obtained by a human body position at the same time, the balance of the left sound channel and the right sound channel is achieved, and main sound waves are mutually wound around the left sound channel and the right sound channel to reduce noise in a balanced manner.
7. An intelligent physical noise reduction method based on the intelligent physical noise reduction system of any one of claims 1-6, comprising the steps of:
the method comprises the following steps: the intelligent device is connected with the cloud server through Wi-Fi;
step two: the cloud server updates the authorized intelligent equipment through the information uploaded by the intelligent mobile terminal;
step three: after the intelligent equipment is authorized by the cloud server, the intelligent equipment is connected with the cloud server through the Wi-Fi and carries out song on demand and language interaction according to the noise reduction control system;
step four: the noise reduction control processing system is used for reducing noise and acquiring MIC emission data to a noise reduction acquisition receiving terminal;
step five: the noise reduction control processing system receives and receives MIC emission data;
step six: the noise reduction control processing system starts an environment detector to detect the environment;
step seven: the noise reduction control processing system starts a human body detector to detect people;
step eight: data comparison is carried out on the data received by the noise reduction control processing system;
step nine: the data received by the noise reduction control processing system is compared to obtain data which is distributed to a left sound channel and a right sound channel;
step ten: the sound box pronunciation equipment device obtains data to amplify and reflect sound waves, digital intelligence and environment acquisition physical noise reduction effects are obtained through elimination, the left sound channel and the right sound channel can distribute sound according to the detection position of the human body detector by carrying out sound wave space transmission distance, and people can hear the stereo left and right sound channel balance effects at any position.
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Citations (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 |
| CN101682814A (en) * | 2007-07-19 | 2010-03-24 | 伯斯有限公司 | System and method for directionally radiating sound |
| US20170287462A1 (en) * | 2016-03-31 | 2017-10-05 | Harman Becker Automotive Systems Gmbh | Automatic noise control |
| JP2018157485A (en) * | 2017-03-21 | 2018-10-04 | ヤマハ株式会社 | Headphone |
-
2020
- 2020-04-21 CN CN202010319404.2A patent/CN111477207B/en active Active
Patent Citations (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 |
| CN101682814A (en) * | 2007-07-19 | 2010-03-24 | 伯斯有限公司 | System and method for directionally radiating sound |
| US20170287462A1 (en) * | 2016-03-31 | 2017-10-05 | Harman Becker Automotive Systems Gmbh | Automatic noise control |
| JP2018157485A (en) * | 2017-03-21 | 2018-10-04 | ヤマハ株式会社 | Headphone |
Non-Patent Citations (1)
| Title |
|---|
| 张绍高: "多声道立体声和环绕声", 《电子科技导报》 * |
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