CN110049404B - Intelligent device and volume control method thereof - Google Patents
Intelligent device and volume control method thereof Download PDFInfo
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- CN110049404B CN110049404B CN201910329856.6A CN201910329856A CN110049404B CN 110049404 B CN110049404 B CN 110049404B CN 201910329856 A CN201910329856 A CN 201910329856A CN 110049404 B CN110049404 B CN 110049404B
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Abstract
The invention relates to an intelligent device and a volume control method thereof, wherein the volume control method comprises the following steps when sound output is required: acquiring distance information between a user and the intelligent device, and acquiring a basic volume value of the user; determining an output volume value according to the basic volume value and the distance information; and controlling the output power of the audio output module according to the output volume value. By implementing the technical scheme of the invention, because the output power of the audio output module is related to the distance information of the user, no matter the user is at any position of the home, the user can be ensured to hear the volume value with proper size, and the user does not need to frequently operate, thereby greatly improving the user experience.
Description
Technical Field
The invention relates to the field of smart homes, in particular to an intelligent device and a volume control method thereof.
Background
With the arrival of the overall comfortable society of residents, the quality requirements of people on life are higher and higher, and people expect safe, healthy, comfortable, convenient, low-carbon and enjoyable life more and more. With the rapid development of technologies such as mobile internet, IOT, 5G, video, sensing, and the like, many upgrading products of smart devices or traditional devices are emerging, for example, a smart sound box is a product of sound box upgrading, a home consumer can use voice to perform internet surfing and control, such as song playing, internet shopping, or knowing weather forecast, and can also control smart home devices, such as opening a curtain, setting the temperature of a refrigerator, raising the temperature of a water heater in advance, and the like.
At present, the general problems of these intelligent devices are: the device cannot actively control the voice, only when the user actively wakes up the device or controls the APP software, the device can passively respond to the voice to execute the user instruction, and if the user is inconvenient to voice or cannot voice (such as a language handicapped person) the user can only manually operate and control the voice. In addition, since the smart device in the home is not a personal object and therefore cannot be carried around, people in the daily life of the home do not have to be far away or near to each other like in a movie theater, or a walkman or a mobile device or a fixed sound appreciation place, and have to leave the current room to go to another room, so that the smart device often happens when playing music/radio/video/care voice: the voice is too loud when the user stands at a short distance, the voice is too loud when the user leaves a little far away or arrives at a next room, the user needs to repeatedly adjust the volume, the convenience is high, and the experience is very poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent device and a volume control method thereof aiming at the defect of poor user experience caused by the fact that a user needs to repeatedly adjust the volume in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the volume control method for the intelligent device is constructed, the intelligent device comprises an audio output module, and when the audio output is required, the following steps are carried out:
s10, obtaining distance information between a user and the intelligent device, and obtaining a basic volume value of the user;
s20, determining an output volume value according to the basic volume value and the distance information;
and S30, controlling the output power of the audio output module according to the output volume value.
Preferably, the step S10 further includes: acquiring current environmental noise information;
the step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the environmental noise information.
Preferably, the step S10 further includes: acquiring current time information;
the step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the time information.
Preferably, in the step S10, obtaining the basic volume value of the user includes:
s11, judging whether a volume setting value input by a user is received in a specific time period, if so, executing S12; if not, go to step S13;
s12, determining a basic volume value according to the volume setting value;
and S13, acquiring the volume value learned through training the training data, and taking the learned volume value as a basic volume value.
Preferably, the step S12 includes:
acquiring the current distance between a user and the intelligent device when the user inputs the volume setting value;
and determining a volume value corresponding to the basic distance according to the volume setting value and the current distance, and taking the determined volume value as the basic volume value.
Preferably, the volume setting value input by the user is received by:
receiving a volume setting value input by a user through a volume setting key on the intelligent device; or the like, or, alternatively,
receiving a volume setting value input by a user through a microphone on the intelligent device; or the like, or, alternatively,
and receiving a volume setting value input by a user through the mobile terminal, wherein the mobile terminal is in communication connection with the intelligent device.
Preferably, the step S13 includes:
the method comprises the steps of obtaining current event information of a user, inputting the current event information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model.
Preferably, the step S13 includes:
acquiring identity information of a user, inputting the identity information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model.
Preferably, in the step S10, the obtaining of the distance information between the user and the smart device includes:
acquiring distance information and identity information between a user and a smart device through sensing data of a distance sensor of the smart device; and/or the presence of a gas in the gas,
the distance information and the identity information between a user and the intelligent device are obtained through image data shot by a camera of the intelligent device.
The invention also constructs an intelligent device, which comprises an audio output module, a memory and a processor, wherein the memory stores a computer program, and the processor realizes the volume control method when executing the computer program.
Preferably, the distance sensing module is arranged on the periphery of the intelligent device so as to form a sensing area larger than 180 degrees on the periphery of the intelligent device.
Preferably, the intelligent device further comprises at least one camera arranged on the front face of the intelligent device.
By implementing the technical scheme of the invention, when the intelligent device needs to output sound, the basic volume value of the user and the distance between the intelligent device and the user can be acquired; then, determining an output volume value according to the basic volume value and the distance information; and finally, controlling the output power of the audio output module according to the output volume value. Therefore, because the output power of the audio output module is related to the distance information of the user, no matter where the user is at home, the user can be guaranteed to hear the volume value with the proper size, and the user does not need to frequently operate, so that the user experience is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a flow chart of a first embodiment of a volume control method of an intelligent device according to the present invention;
fig. 2 is a logical structure diagram of a first embodiment of the intelligent device according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
The embodiments/examples described herein are specific embodiments of the present invention, are intended to be illustrative of the concepts of the present invention, are intended to be illustrative and exemplary, and should not be construed as limiting the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a flowchart of a first embodiment of a volume control method of an intelligent device according to the present invention, where the volume control method of the embodiment performs the following steps when the intelligent device has a volume output requirement, for example, playing music/radio/video, outputting a care voice prompt/reminder, outputting alarm information, and the like:
s10, obtaining distance information between a user and the intelligent device, and obtaining a basic volume value of the user;
s20, determining an output volume value according to the basic volume value and the distance information;
and S30, controlling the output power of the audio output module according to the output volume value.
With respect to this embodiment, there are two points to be explained:
first, it is explained that the volume value heard by the user is related to the distance from the user and the output volume value (output power) of the audio output module. The basic volume value may be, for example, a volume value that the user wants to hear within a basic range (1 meter) from the smart device when the smart device outputs the basic power, and may be, of course, a volume value that the user wants to hear within a specific range (2.5 meters) from the smart device. The basic volume value can be a value newly set by a user or a habit value self-learned by the system. In general, the output volume value of the smart device needs to be increased/decreased by 3dB for every 1m increase/decrease of the distance between the user and the smart device, so that the volume value heard by the user at the current position is the same as the basic volume value, and therefore, the output volume value is positively correlated with the distance information.
In an optional embodiment, after obtaining the distance information between the user and the smart device, the distance range segment corresponding to the distance information may be determined, for example, including: within 1 meter, within 1-2 meters, within 2-3 meters, within 3-4 meters, within 4-5 meters, within 5-6 meters, within 6-7 meters, and the like, and then determining an output volume value according to the corresponding distance range segment. In one specific application, assuming a base volume value of 45dB, i.e. a user wishes to hear 45dB of sound within a 1M range (base range), when the user is far away from the smart device, e.g. arrives at a distance of 3 meters from the smart device, the smart device adjusts the output power to reach 51dB of its output volume value, so that the volume value that the user still hears at the current location is 45 dB.
In another optional embodiment, before shipping or before use, the plurality of distance values and the output volume values corresponding to the distance values may be obtained through a test method to form a data table, and then a relation between the output volume values and the distance values is obtained through an interpolation method or a function fitting method. Therefore, after the distance information of the user is acquired, the accurate output volume value can be calculated through the relational expression.
It should be noted that, on the premise that the type and model of the audio output module of the intelligent device are determined, the output volume value is only related to the output power, and before shipping or use, a plurality of output volume values and the output powers corresponding to the output volume values can be obtained through a test mode to form a data table, and then an interpolation method or a function fitting mode is used to obtain a relational expression between the output power and the output volume values, so that in practical application, the output power of the audio output module can be calculated through the relational expression.
By implementing the technical scheme of the embodiment, when the intelligent device needs to output sound, the basic volume value of the user and the distance between the intelligent device and the user can be acquired; then, determining an output volume value according to the basic volume value and the distance information; and finally, controlling the output power of the audio output module according to the output volume value. Therefore, because the output power of the audio output module is related to the distance information of the user, no matter where the user is at home, the user can be guaranteed to hear the volume value with the proper size, and the user does not need to frequently operate, so that the user experience is greatly improved.
Further, in an optional embodiment, step S10 further includes: acquiring current environmental noise information; step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the environmental noise information. In one specific application, the ambient noise information may be obtained by a microphone on the smart device, and when calculating the final output volume value, the ambient noise information may be referred to, for example, by converting the ambient noise information into a corresponding volume coefficient, which is greater than 1, and then multiplying the output volume value obtained earlier by the volume coefficient, thereby obtaining the final output volume value. Therefore, even if the user is in a place with large environmental noise, such as windy days and neighbor decoration, the volume value heard by the user can be ensured to be proper.
Further, in an optional embodiment, step S10 further includes: acquiring current time information; step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the time information. In one specific application, the current time information may be obtained by a local clock of the smart device, and the current time information may be referred to when calculating the final output volume value, for example, after 10 nights, the output volume value obtained first may be reduced by a preset decibel value, so as to obtain the final output volume value.
Further, in an optional embodiment, in step S10, obtaining the basic volume value of the user includes:
s11, judging whether a volume setting value input by a user is received in a specific time period, if so, executing S12; if not, go to step S13; in this step, the specific time period may be a default time period of the system, or may be a time period set by the user, or may also be a value learned by the machine through big data, for example: 2 hours, 4 hours, a day, etc.
S12, determining a basic volume value according to the volume setting value;
and S13, acquiring the volume value learned through training the training data, and taking the learned volume value as a basic volume value.
In this embodiment, the base volume value has two sources: the method is characterized in that the method is determined according to the volume setting value input by the user, and the habitual volume value is determined according to big data learning. In one embodiment, the user, while exercising, wishes to increase the output volume value of the smart device to a level higher than the usual volume value, and resets the volume of the smart device, i.e., the base volume value is increased from the original customary volume value to the newly set value. After 2 hours, the user exercise is finished, and at the moment, when the output volume value is determined, the original habit volume value is still used as the basic volume value to be calculated.
In an optional embodiment, the user may set the volume in various manners such as a key, voice, APP of the mobile terminal, and so on, and thus the smart device may receive the volume setting value input by the user in the following manners: 1. receiving a volume setting value input by a user through a volume setting key on the intelligent device; 2. receiving a volume setting value input by a user through a microphone on the intelligent device; 3. and receiving a volume setting value input by a user through the mobile terminal, wherein the mobile terminal is in communication connection with the intelligent device. In addition, since the user' S position is different when the volume is set in different setting manners, the distance value between the user and the smart device at that time is also referred to when the basic volume value (corresponding to the basic distance) is obtained, specifically, step S12 includes:
acquiring the current distance between a user and the intelligent device when the user inputs the volume setting value;
and determining a volume value corresponding to the basic distance according to the volume setting value and the current distance, and taking the determined volume value as the basic volume value.
In one specific application, if the volume setting value input by the user through the volume setting key is 45dB, since the volume setting key is on the smart device, the distance between the user and the smart device is about 30 cm at this time, and is less than 1m, the system determines that the user wants to hear 45dB sound within 1m, and thus the corresponding basic volume value is 45 dB; if the volume setting input by the user through the voice command is 55dB when the user is 3 meters away from the smart device, the system determines that the user wants to hear 49dB of sound within 1 meter, and thus the corresponding base volume value is 49 dB; if the volume setting entered by the user through the APP of the mobile terminal is 60dB at a location 5 meters from the smart device, the system determines that the user wishes to hear 48dB over a 1 meter range, and thus the corresponding base volume value is 48 dB.
Further, in an alternative embodiment, step S13 includes: the method comprises the steps of obtaining current event information of a user, inputting the current event information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model. In this embodiment, when the basic volume value is obtained through big data learning, different user events corresponding to different basic volume values may also be set, for example, when a user is in noon break, sleeps at night, works and learns at night, the corresponding basic volume value is smaller; when the user eats dinner, receives guests, exercises and watches TV, the corresponding basic volume value is larger; when the user falls down and illegally invades, the corresponding basic volume value is larger. In practical applications, each user event may correspond to a certain basic volume value.
Further, in an alternative embodiment, step S13 includes: acquiring identity information of a user, inputting the identity information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model. In this embodiment, when the basic volume value is obtained through big data learning, different user identities can be set to correspond to different basic volume values, and the user a is an old person and has a larger corresponding basic volume value; user B is a child, and the corresponding basic volume value is smaller. In practical applications, when there are multiple users in a household, each user may correspond to a certain basic volume value.
In another alternative embodiment, the input volume of the volume model may include both user identity information and user event information, such that the determined base volume value is more consistent with the user's needs.
Further, in step S10, the obtaining distance information between the user and the smart device includes:
acquiring distance information and identity information between a user and a smart device through sensing data of a distance sensor of the smart device; and/or the presence of a gas in the gas,
the distance information and the identity information between a user and the intelligent device are obtained through image data shot by a camera of the intelligent device.
Fig. 2 is a logical structure diagram of a first embodiment of the intelligent device of the present invention, the intelligent device of this embodiment includes: a processor 11, a memory 12 and an audio output module 13, wherein the memory 12 stores a computer program, and the processor 11 realizes the volume control method when executing the computer program.
Further, the smart device of this embodiment further includes a distance sensing module 14 disposed at the periphery of the smart device to form a sensing area greater than 180 degrees at the periphery of the smart device.
In one specific application, the distance sensing module comprises a plurality of distance sensors which are arranged on the same horizontal line and have continuous sensing ranges, and the distance sensors are multiple-transmitting and multiple-receiving radar sensors or single-transmitting and single-receiving radar/ultrasonic sensors/laser sensors.
In another specific application, the distance sensing module comprises an upper sensing module and a lower sensing module, wherein the upper sensing module is used for carrying out distance sensing on the target object in the formed upper detection space; the lower sensing module is used for carrying out distance sensing on a target object in the formed lower detection space, and specifically comprises at least two radar/ultrasonic sensors with single transmitting and single receiving and/or at least one radar sensor with multiple transmitting and multiple receiving; the upper sensing module comprises at least one radar/ultrasonic sensor with single transmission and single receiving and/or at least one radar sensor with multiple transmission and multiple receiving. Furthermore, when the sensing data of the lower detection space and the sensing data of the upper detection space are acquired, the three-dimensional position coordinates of the user are also determined in real time according to the acquired sensing data. In this way, not only the distance information between the user and the intelligent device can be determined, but also the user identity can be determined according to the height of the user (the intelligent device needs to ensure that the height of the user in the family is between the height of the upper sensing module and the height of the lower sensing module when the intelligent device is installed), and the height. In addition, the three-dimensional position coordinates of the user within a period of time are continuously monitored, and in combination with indoor spatial structure information, time information, environmental information and the like, event information of the user can be determined, such as going out to work, going to sleep at night, getting up, falling down, sedentary, illegal intrusion and the like.
Further, the intelligent device of the embodiment further comprises at least one camera arranged on the front face of the intelligent device. The camera is preferably a 180-degree camera, or a plurality of cameras are arranged, and the shooting ranges of adjacent cameras at least partially overlap. Then, by carrying out image recognition on the image data shot by the camera, the distance information of the user from the intelligent device, the identity information of the user and the user event information can be determined.
Some application scenarios of the solution of the invention are explained below:
assuming that the entrance door is about 3 meters away from the smart device, the user generally prefers to hear 50dB of sound anywhere. When the intelligent device senses that the user opens the door to go home/leave home, the intelligent device automatically attends to/reminds/warns the user with sound with the volume of 56 dB; when the intelligent device senses that the last user leaves home, the audio output module is automatically closed after a normal voice care prompt is sent, and the intelligent device enters a defense deployment state.
When the intelligent device senses the occurrence of an indoor emergency, such as gas alarm, illegal intrusion, emergency help, environmental alarm and the like, the intelligent device automatically gives an alarm sound with the maximum volume (for example, the volume exceeds more than 110 dB) to remind an indoor user or nearby safety operators on duty, and simultaneously video and audio alarm information is synchronously uploaded to an alarm operation center/a user mobile terminal/a public security organization and the like.
When the intelligent device senses that the user leaves from the room where the intelligent device is located to other rooms but does not leave the home, the music/broadcast/video/learning sound is played at the sound value corresponding to the distance between the door of the other rooms and the intelligent device (if the distance cannot be sensed by the distance sensing module, the distance can be predetermined through the house structure of the house and written into the intelligent device), for example, the user just listens to music at a position 3 meters away from the intelligent device, the corresponding output sound volume value is 56dB, and when the user enters into other rooms, the corresponding output sound volume value is 62dB, so that the user can be guaranteed to hear the sound volume of 50dB no matter where the user is located.
During the leisure time period, when the intelligent device senses that the user wanders in the room for a preset time or reaches a preset frequency, the intelligent device actively cares the user at the volume of 50dB, whether help is needed or entertainment is needed, and the like. However, if the user is listening to music at a volume of 50dB at 10 nights, the intelligent device automatically reduces the volume by a preset amount, such as 45dB, when the user leaves the room, and the user returns to the room again, so that the ears of the user are more suitable, the influence on others is reduced, and the volume value can output information for reminding the user to rest.
When the smart device senses that the user is getting up in the morning, a light music/greeting/reminder/schedule, etc. is automatically played at a volume value of 50dB to care for the user. However, when the smart device senses that the waking up time is up but the user has not yet got up, the waking up music is automatically played with gradually increasing sound from low (50dB) to high (80dB) so that the user gradually adapts to the waking up sound, the waking up music is prevented from being played suddenly loud, the user is frightened or made uncomfortable, and the like.
When listening to the dynamic music, the user adjusts the volume value of the audio output module, so that the basic volume value is improved to 75dB from 50dB, and the intelligent device can play the dynamic music with high volume. When the intelligent device senses that the user suddenly leaves the home when listening to the kinetic music indoors, the sound equipment is automatically turned off, and after a period of time (assuming that the time does not exceed a specific time period), when the same user is sensed to return to the room again, the volume of playing the kinetic music gradually rises to 75dB from a low sound (such as 50dB), and the volume value of the user before leaving the home is recovered. However, when the user is away from home for more than a certain period of time, the smart device automatically attends to the user at a volume value of 50dB, e.g., playing a light music/greeting/reminder/schedule, etc.
When the intelligent device senses that the user listens to music at a certain indoor position with a certain volume, other users enter the indoor space where the intelligent device is located through the door and move or leave the indoor space, the output volume value is not adjusted by the intelligent device, and only when the distance of the original user changes, the output volume value of the intelligent device changes. In addition, when multiple users are simultaneously present in the indoor space where the smart device is located from the beginning, the smart device calculates an output volume value with specific distance information (for example, distance information of the nearest user, or an average value of the distance information of the multiple users). Moreover, in one particular application, the intelligent device adjusts the output volume value only when the distance information of the user changes again, and the intelligent device does not adjust the output volume value if only the distance information of other users changes or leaves the room. In another specific application, when the average value of the distance information changes due to the change of the positions of the multiple users, the intelligent device adjusts the output volume value according to the new average distance value.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. A volume control method of an intelligent device in a home, wherein the intelligent device comprises an audio output module, and is characterized in that when the audio output is required, the following steps are carried out:
s10, acquiring three-dimensional position coordinate information of a user through sensing data of a distance sensing module of an intelligent device, acquiring distance information between the user and the intelligent device according to the three-dimensional position coordinate information, determining the identity of the user according to the height in the three-dimensional position coordinate information, and acquiring a basic volume value of the user according to the identity of the user; the distance sensing module comprises an upper sensing module and a lower sensing module, wherein the upper sensing module is used for sensing the distance of a target object in the formed upper detection space, the lower sensing module is used for sensing the distance of the target object in the formed lower detection space, and the upper sensing module and the lower sensing module respectively comprise at least one radar sensor;
step S20, calculating an output volume value by adopting a relational expression according to the basic volume value and the distance information, and calculating the output volume value according to the distance information of the user closest to the intelligent device if a plurality of users are in the indoor space where the intelligent device is located at the same time, or calculating the output volume value according to the average value of the distance information of the plurality of users, wherein the relational expression is obtained by the following method: forming a data table by obtaining a plurality of distance values and output volume values corresponding to the distance values, and obtaining a relational expression of the output volume values and the distance values by using an interpolation method or a function fitting method;
and S30, controlling the output power of the audio output module according to the output volume value so that the volume value heard by the user at the current position is the same as the basic volume value.
2. The volume control method of the smart device in the home as claimed in claim 1, wherein the step S10 further comprises: acquiring current environmental noise information;
the step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the environmental noise information.
3. The volume control method of the smart device in the home as claimed in claim 1, wherein the step S10 further comprises: acquiring current time information;
the step S20 includes: and determining an output volume value according to the basic volume value, the distance information and the time information.
4. The volume control method for smart devices in a home as claimed in any one of claims 1 to 3, wherein the step S10 of obtaining a basic volume value of the user comprises:
s11, judging whether a volume setting value input by a user is received in a specific time period, if so, executing S12; if not, go to step S13;
s12, determining a basic volume value according to the volume setting value;
and S13, acquiring the volume value learned through training the training data, and taking the learned volume value as a basic volume value.
5. The volume control method of the smart device in the home as claimed in claim 4, wherein the step S12 comprises:
acquiring the current distance between a user and the intelligent device when the user inputs the volume setting value;
and determining a volume value corresponding to the basic distance according to the volume setting value and the current distance, and taking the determined volume value as the basic volume value.
6. The volume control method of a smart device in a home as claimed in claim 4, wherein the volume setting value inputted by the user is received by:
receiving a volume setting value input by a user through a volume setting key on the intelligent device; or the like, or, alternatively,
receiving a volume setting value input by a user through a microphone on the intelligent device; or the like, or, alternatively,
and receiving a volume setting value input by a user through the mobile terminal, wherein the mobile terminal is in communication connection with the intelligent device.
7. The volume control method of the smart device in the home as claimed in claim 4, wherein the step S13 comprises:
the method comprises the steps of obtaining current event information of a user, inputting the current event information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model.
8. The volume control method of the smart device in the home as claimed in claim 4, wherein the step S13 comprises:
acquiring identity information of a user, inputting the identity information into a pre-established volume model, and determining a basic volume value according to an output result of the volume model.
9. The method for controlling the volume of a smart device in a home according to claim 8, wherein in the step S10, obtaining distance information between a user and the smart device further comprises:
the distance information and the identity information between a user and the intelligent device are obtained through image data shot by a camera of the intelligent device.
10. An intelligent device in a home comprising an audio output module, a memory and a processor, the memory storing a computer program, characterized in that the processor implements the volume control method of any one of claims 1-9 when executing the computer program.
11. The in-home smart device of claim 10, further comprising a distance sensing module disposed at an outer periphery of the smart device to form a sensing area greater than 180 degrees at the outer periphery of the smart device.
12. The in-home smart device of claim 10, further comprising at least one camera positioned on a front face of the smart device.
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| CN110324703A (en) * | 2019-07-31 | 2019-10-11 | 福建捷联电子有限公司 | A kind of dynamic volume method of adjustment of audio-visual equipment |
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| CN113659950B (en) * | 2021-08-13 | 2024-03-22 | 深圳市百匠科技有限公司 | High-fidelity multipurpose sound control method, system, device and storage medium |
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