CN111510905A - Method for adaptively adjusting sound size of player based on user distance - Google Patents
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- 238000004134 energy conservation Methods 0.000 abstract 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/2812—Exchanging configuration information on appliance services in a home automation network describing content present in a home automation network, e.g. audio video content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
- H04L12/2814—Exchanging control software or macros for controlling appliance services in a home automation network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/04—Structural association of microphone with electric circuitry therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Firstly, establishing a volume level-distance interval corresponding relation table, and then calculating the distance between the mobile phone/intelligent wearable device and the intelligent sound box in real time by using the signal intensity during communication; then, recording the initial volume set by the user at the initial position and the initial distance from the user to the intelligent sound box at the initial position; then inputting the initial distance into a volume level-distance interval corresponding relation table to obtain a volume level corresponding to the user at the initial position, comparing the initial volume set by the user at the initial position with the volume level corresponding to the table, determining a correction coefficient and amplifying and correcting the volume level, thereby automatically adjusting the volume level-distance interval corresponding relation table according to the volume preference of the user; therefore, the volume of the intelligent sound box is adaptively adjusted according to the distance between the user and the intelligent sound box, so that the user can hear the sound with the same volume in a certain range from the intelligent sound box. Simple operation, convenient use, energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of smart home, in particular to a method for adaptively adjusting the sound size of a player based on user distance.
Background
When the intelligent sound box is used for playing music, a user can set a proper volume according to the current position of the user, and the user can often leave the original position to a place closer to or farther away from the sound box in the process of playing the music by using the intelligent sound box. In the moving process, the distance between the user and the intelligent sound box is changed, and the sound played in the intelligent sound box is heard by the user and synchronously changed.
When the distance between the user and the intelligent sound box is too small, too much sound often causes discomfort to the user and damages the hearing of the user; when the distance between the user and the intelligent sound box is too large, the user cannot hear the sound played by the intelligent sound box due to too far distance from the sound box, and the hearing experience of the user is influenced.
After the distance between the user and the intelligent sound box changes, the volume needs to be frequently adjusted, so that the sound emitted by the intelligent sound box is adjusted to be proper, and the operation is troublesome.
Bluetooth positioning, also known as beacon positioning, is a signal strength-based positioning. This is achieved by the bluetooth beacon actively broadcasting announcements its location to sense where it is located.
The principle of iBeacon ranging is as follows.
iBeacon is a low-power-consumption bluetooth technology introduced by apple inc, and transmits a signal containing specified information by a bluetooth device, and then receives the signal by a mobile device, thereby realizing near field communication.
The signal intensity transmitted by the Bluetooth beacon and the distance between the transceiving equipment are positively correlated to some extent, so that the distance between the receiving equipment and the Bluetooth beacon can be reversely deduced through the value of the signal intensity through reasonable operation conversion.
The signal strength value of the bluetooth beacon is a reference value, and there is no fixed standard. To calculate the distance of the bluetooth beacon, the txPower value of this beacon device must also be known, txPower referring to the signal strength value when 1m away from the bluetooth beacon.
The principle of wireless positioning is as follows.
The wireless positioning is performed by acquiring the signal strength from the mobile device to each surrounding AP (Access Point) and calculating the distance by using the signal strength.
The implementation mode of the method is divided into active acquisition and passive acquisition.
Active acquisition relies on the AP to actively acquire the signal strength of the mobile device.
Passive collection is the mode of installation APP on mobile device, is by APP at the backstage initiative to AP send message, increases the data bulk of being gathered, can promote the effect of location.
In the prior art, internet companies such as Huashi and millet gradually build independent household products into a network in the field of smart homes, and systematic control is performed through intelligent voice householders or mobile phone WiFi (wireless fidelity) wireless communication. However, the intelligent home system control at the present stage is in a primary stage, and many detailed problems are not well treated. For example, existing enclosures are not capable of adaptively adjusting volume levels based on the distance of the user from the enclosure.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method for adaptively adjusting the sound size of a player based on the user distance.
In order to realize the above method, the present invention adopts the following technical means.
Step S11: dividing the volume of the intelligent sound box into M levels and P intervals from small to large.
Step S12: defining the relation between M and P in step 11, namely determining the corresponding relation of different volume levels in different volume intervals, and establishing a corresponding relation table of M volume level-P volume interval.
Step S13: the distance between the mobile phone/intelligent wearable device and the intelligent sound box is divided into N intervals.
Step S14: defining the relation between the M volume level and the N distance interval in the steps 11 and 13, namely determining the corresponding relation corresponding to different volume levels in different distance intervals, and establishing a corresponding relation table of the M volume level and the N distance interval.
Step S15: the distance between the mobile phone/intelligent wearable device and the intelligent sound box is calculated in real time by utilizing the signal intensity during communication through the communication between the Bluetooth module or the WiFi module arranged in the mobile phone/intelligent wearable device and the Bluetooth module or the WiFi module arranged in the intelligent sound box.
Step S16: and recording a volume level V (initial volume) set by the user at the initial position and a distance X (initial distance) between the user at the initial position and the intelligent sound box.
Step S17: and according to the preference of the user on the volume, correcting the corresponding relation table of the M volume level and the N distance interval in the step 14.
First, the X initial distance recorded in step 16 is substituted into the M volume level-N distance interval correspondence table in step 14 to obtain the volume level K corresponding to the X initial distance.
If the volume level K is equal to the V initial volume in step 16, the correspondence table between the M volume level and the N distance interval in step 14 does not need to be corrected; at which point step 19 is performed.
If the volume level K is not equal to the V initial volume in step 16, the M volume level-N distance interval corresponding relation table in step 14 needs to be corrected, and step 18 is executed.
Step S18: determining a correction coefficient, if the initial volume V is greater than the volume level K, indicating that the user likes a larger volume, and then performing amplification correction on the volume level of the user in the corresponding relation table of the volume level M-the distance interval N in the step 14, wherein the correction coefficient is as follows: v divided by K or V minus K.
If the initial volume V is less than the volume level K, it indicates that the user prefers a smaller volume, at this time, the volume level of the user in the M volume level-N distance interval corresponding relation table in step 14 is entirely reduced and corrected, and the correction coefficient is: v divided by K or V minus K.
Step S19: multiplying or adding a correction coefficient to the volume level numerical value in the corresponding relation table of the M volume level-N distance interval; then, adaptively adjusting the volume of the intelligent sound box according to the corrected corresponding relation table of the M volume level-N distance interval; when the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume; when the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume.
The present invention has the following advantages.
1. The volume of the intelligent sound box is adaptively adjusted according to the distance between the user and the intelligent sound box, so that the user can hear the sound with the same volume in a certain range from the intelligent sound box.
When the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume, and hearing discomfort and hearing damage caused by the fact that the user is too close to the sound box are avoided.
When the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume, and the situation that the user cannot hear the sound of the intelligent sound box due to the fact that the user is too far away from the sound box and the hearing experience of the user is influenced is avoided.
2. The operation is simple, and the system can automatically record and process the volume preference of the user and correct and update the corresponding relation table of the M volume level-N distance interval only by setting the volume level once at the initial stage.
3. Convenient to use has liberated user's both hands, after the distance of user and intelligent audio amplifier changes, does not need the size of frequent adjustment volume.
4. This mode makes intelligent audio amplifier volume rationalization, and effectual saving battery power improves intelligent audio amplifier's standby and live time, and is energy-concerving and environment-protective, is favorable to the rational utilization of resource.
Drawings
FIG. 1 is a schematic diagram of a working effect model of the present invention.
Fig. 2 is a table showing the correspondence between the M volume level and the N distance interval according to the present invention.
FIG. 3 is a flowchart of the process of the present invention.
The diagram a in fig. 1 is a schematic diagram of sound propagation in space.
The graph B in fig. 1 is a schematic diagram of the attenuation of sound with propagation distance, and the curve a is a curve of the attenuation of sound with propagation distance.
Fig. 1C is a schematic diagram of sound compensation with propagation distance, where curve a is a sound attenuation curve with propagation distance, curve b is a sound compensation curve with propagation distance, and curve C is a compensated sound curve.
Fig. 2E is a table of correspondence between volume levels and distance intervals set in the smart sound box at first.
Fig. 2F is a table of volume level-distance interval correspondence updated according to the user volume preference.
Fig. 2G is another table of the volume level-distance interval correspondence updated according to the user volume preference according to the present invention.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings and specific examples.
A first embodiment.
As in fig. 1, 2 and 3.
Firstly, establishing a volume level-distance interval corresponding relation table, and then calculating the distance between the mobile phone/intelligent wearable device and the intelligent sound box in real time by using the signal intensity during communication; then, recording the initial volume set by the user at the initial position and the initial distance from the user to the intelligent sound box at the initial position; and then, inputting the initial distance into the volume level-distance interval corresponding relation table to obtain the volume level corresponding to the user at the initial position, comparing the initial volume set by the user at the initial position with the volume level corresponding to the table, determining a correction coefficient, and carrying out amplification or reduction correction on the volume level, so as to automatically adjust the volume level-distance interval corresponding relation table according to the volume preference of the user.
A correction factor is determined.
If the initial volume is larger than the volume level corresponding to the initial volume in the table, indicating that the user likes a larger volume, then the volume level of the user in the volume level-distance interval corresponding relation table is amplified and corrected as a whole, and the correction coefficient is as follows: the initial volume is divided by the corresponding volume level of the initial volume in the table or the initial volume minus the corresponding volume level of the initial volume in the table.
If the initial volume is less than the volume level corresponding to the initial volume in the table, indicating that the user likes a smaller volume, then the volume level of the user in the volume level-distance interval corresponding relation table is wholly reduced and corrected, and the correction coefficient is as follows: the initial volume is divided by the corresponding volume level of the initial volume in the table or the initial volume minus the corresponding volume level of the initial volume in the table.
Multiplying or adding a correction coefficient to the volume level numerical value in the volume level-distance interval corresponding relation table; and then, adaptively adjusting the volume of the intelligent sound box according to the corrected volume level-distance interval corresponding relation table. When the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume; when the distance between the user and the intelligent sound box is increased, the volume of the intelligent sound box is automatically increased, so that the user can hear the sound with the same volume in a certain range away from the intelligent sound box.
When the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume, and hearing discomfort and hearing damage caused by the fact that the user is too close to the sound box are avoided.
When the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume, and the situation that the user cannot hear the sound of the intelligent sound box due to the fact that the user is too far away from the sound box and the hearing experience of the user is influenced is avoided.
A second embodiment.
As shown in fig. 1, curve a is a sound attenuation curve with propagation distance, and the sound amplitude is attenuated more and more when the propagation distance is longer because the sound is attenuated in the process of propagating in the air.
Referring to fig. 1, curve b is a curve for compensating sound with propagation distance, and curve c is a curve for compensating sound; because there is attenuation in the process of sound propagation in the air, the sound amplitude attenuation is larger as the distance of propagation is longer, and the sound amplitude of the curve b after attenuation along with the distance is coincident with the curve c.
As can be seen from the diagram C in fig. 1, through the sound compensation, when the user is within a certain distance range, the user can hear the sound with the same volume level emitted by the smart sound box at different distances. For example, when the user is 3 meters, 7 meters, and 13 meters away from the smart speaker, the user can hear the same volume level of sound that the smart speaker emits at 2 meters.
A third embodiment.
The operation steps are as follows.
When the intelligent sound box is used, a user firstly opens the intelligent sound box to play music, then sets a proper volume level size through the mobile phone/intelligent wearing equipment according to the current position of the user, after the user sets the volume level size, the mobile phone/intelligent wearing equipment in the hand of the user transmits data information of the volume level size set by the user to the intelligent sound box through wireless communication, the intelligent sound box calculates the distance between the user and the intelligent sound box according to the signal intensity of the mobile phone/intelligent wearing equipment of the user, at the moment, the intelligent sound box obtains the volume level size set by the user at the initial position and the distance between the user and the intelligent sound box, and then the intelligent sound box inputs the distance between the user and the intelligent sound box into a volume level-distance interval corresponding relation table so as to search the theoretical volume level size corresponding to the distance between the user and the intelligent sound box at, and then, correcting and updating the corresponding relation table of the volume level and the distance interval in the intelligent sound box according to the current preference of the user on the volume.
Assuming that a diagram E in fig. 2 is a corresponding relation table between volume levels and distance intervals set inside the smart sound box initially, when the distance between the user and the smart sound box is 3.5 meters, the volume level of the smart sound box is 4 levels at this time; when the distance between the user and the intelligent sound box is 7.8 meters, the volume level of the intelligent sound box is 6 levels; when the distance between the user and the intelligent sound box is 15 meters, the volume level of the intelligent sound box is 9 levels at the moment.
If the volume level set by the user at a position 1.2m away from the intelligent sound box is 3 levels, the intelligent sound box inputs 1.2 meters into a volume level-distance interval corresponding relation table, the theoretical volume level corresponding to 1.2 meters at the moment is determined to be 2 levels through table lookup, and the volume level set by the user is 3 levels, which indicates that the user wants to hear a larger sound. Then, the smart speaker calculates a correction coefficient: 3/2=1.5, and then, as shown in fig. 2, E and F, the smart speaker multiplies all values of the volume level in the E graph by 1.5, thereby adaptively adjusting the volume level according to the current volume preference of the user. Fig. 2F is a table showing the relationship between volume level and distance interval updated according to the user's volume preference.
And then, the intelligent sound box adjusts the volume level according to the updated volume level-distance interval corresponding relation table.
When the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume; when the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume.
Another embodiment of the present invention is as follows.
Assuming that a diagram E in fig. 2 is a corresponding relation table between volume levels and distance intervals set inside the smart sound box initially, when the distance between the user and the smart sound box is 3.5 meters, the volume level of the smart sound box is 4 levels at this time; when the distance between the user and the intelligent sound box is 7.8 meters, the volume level of the intelligent sound box is 6 levels; when the distance between the user and the intelligent sound box is 15 meters, the volume level of the intelligent sound box is 9 levels at the moment.
If the volume level set by the user at a position 1.2m away from the intelligent sound box is 3 levels, the intelligent sound box inputs 1.2 meters into a volume level-distance interval corresponding relation table, the theoretical volume level corresponding to 1.2 meters at the moment is determined to be 2 levels through table lookup, and the volume level set by the user is 3 levels, which indicates that the user wants to hear a larger sound. Then, the smart speaker calculates a correction coefficient: 3-2=1, and then, as shown in E and G of fig. 2, the smart speaker adds 1 to all the values of the volume level in the E graph, thereby adaptively adjusting the volume level according to the current volume preference of the user. Fig. 2F is a table showing the relationship between volume level and distance interval updated according to the user's volume preference.
And then, the intelligent sound box adjusts the volume level according to the updated volume level-distance interval corresponding relation table.
When the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume; when the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume.
In this scheme, a threshold is set for the volume level in the volume level-distance interval correspondence table, the volume level is at least 1 level, and the volume level is at most 10 levels.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention.
Claims (1)
1. A method for adaptively adjusting the sound size of a player based on the distance between users is characterized by comprising the following steps,
step S11: dividing the volume of the intelligent sound box into M levels and P intervals from small to large;
step S12: defining the relation between M and P in the step 11, namely determining the corresponding relation of different volume levels in different volume intervals, and establishing a corresponding relation table of M volume level-P volume interval;
step S13: dividing the distance between the mobile phone/intelligent wearable device and the intelligent sound box into N intervals;
step S14: defining the relation between the M volume level and the N distance interval in the steps 11 and 13, namely determining the corresponding relation corresponding to different volume levels in different distance intervals, and establishing an M volume level-N distance interval corresponding relation table;
step S15: the distance between the mobile phone/intelligent wearable device and the intelligent sound box is calculated in real time by utilizing the signal intensity during communication through the communication between the Bluetooth module or the WiFi module arranged in the mobile phone/intelligent wearable device and the Bluetooth module or the WiFi module in the intelligent sound box;
step S16: recording a volume level V (initial volume) set by a user at an initial position and a distance X (initial distance) between the user at the initial position and the intelligent sound box;
step S17: according to the preference of the user to the volume, correcting the corresponding relation table of the M volume level-N distance interval in the step 14;
firstly, substituting the X initial distance recorded in the step 16 into the M volume level-N distance interval corresponding relation table in the step 14 to obtain a volume level K corresponding to the X initial distance;
if the volume level K is equal to the V initial volume in step 16, the correspondence table between the M volume level and the N distance interval in step 14 does not need to be corrected; step 19 is now performed;
if the volume level K is not equal to the V initial volume in step 16, the M volume level-N distance interval corresponding relation table in step 14 needs to be corrected, and then step 18 is executed;
step S18: determining a correction coefficient, if the initial volume V is greater than the volume level K, indicating that the user likes a larger volume, and then performing amplification correction on the volume level of the user in the corresponding relation table of the volume level M-the distance interval N in the step 14, wherein the correction coefficient is as follows: v divided by K or V minus K;
if the initial volume V is less than the volume level K, it indicates that the user prefers a smaller volume, at this time, the volume level of the user in the M volume level-N distance interval corresponding relation table in step 14 is entirely reduced and corrected, and the correction coefficient is: v divided by K or V minus K;
step S19: multiplying or adding a correction coefficient to the volume level numerical value in the corresponding relation table of the M volume level-N distance interval; then, adaptively adjusting the volume of the intelligent sound box according to the corrected corresponding relation table of the M volume level-N distance interval; when the distance between the user and the intelligent sound box is reduced, the intelligent sound box automatically reduces the volume; when the distance between the user and the intelligent sound box is increased, the intelligent sound box automatically increases the volume.
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| CN112073874A (en) * | 2020-08-27 | 2020-12-11 | 华南理工大学 | Volume control system for intelligent sound box and control method thereof |
| CN112637733A (en) * | 2020-12-08 | 2021-04-09 | 歌尔科技有限公司 | Method and device for automatically adjusting volume of voice equipment and voice equipment |
| CN112637733B (en) * | 2020-12-08 | 2023-02-28 | 歌尔科技有限公司 | Method and device for automatically adjusting volume of voice equipment and voice equipment |
| WO2023070785A1 (en) * | 2021-10-29 | 2023-05-04 | 歌尔科技有限公司 | Volume adjustment optimization method and apparatus, electronic device, and readable storage medium |
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