CN109040911B - Intelligent sound box and determination method for target placement position thereof - Google Patents
Intelligent sound box and determination method for target placement position thereof Download PDFInfo
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- CN109040911B CN109040911B CN201811189179.4A CN201811189179A CN109040911B CN 109040911 B CN109040911 B CN 109040911B CN 201811189179 A CN201811189179 A CN 201811189179A CN 109040911 B CN109040911 B CN 109040911B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The invention discloses an intelligent sound box and a method for determining a target placement position of the intelligent sound box, wherein the intelligent sound box comprises an audio playing module, an audio acquisition module, an image acquisition module and a control module; the image acquisition module is used for acquiring environment image information of the intelligent sound box at the current position and sending the environment image information to the control module; the audio playing module is used for playing the first audio signal and sending the first audio signal to the control module; the audio acquisition module is used for receiving the first audio signal to obtain a first acquisition signal and sending the first acquisition signal to the control module; the control module is used for carrying out acoustic simulation according to the environment image information, the first audio signal and the first collected signal to obtain at least one target placement position of the intelligent sound box in the environment image information. The method and the device can ensure that the target placement position of the audio playing effect position of the intelligent sound box is more accurately determined, so that the method and the device are more convenient for users, and bring brand new experience to the users.
Description
Technical Field
The invention relates to the field of audio information processing, in particular to an intelligent sound box and a method for determining a target placement position of the intelligent sound box.
Background
The smart sound box is a new emerging smart product after a smart phone, and is widely popularized in the global range. For example, Amazon's Echo (a smart speaker device), Google Home (a smart speaker device issued by Google), and apple's HomePod (a smart speaker device introduced by apple inc.). In order to realize effective communication between the intelligent sound box and the user, a whole set of voice system is integrated in the design of the intelligent sound box, and huge cloud services behind the intelligent sound box are carried. However, the functions of the existing intelligent sound box are still in the initial stage of mining, and many intelligentized functions are yet to be further developed.
In daily life, the placement positions of the intelligent sound boxes are randomly selected, some are according to habits of users, and some are according to indoor furnishings of the users, so that no established guidance scheme exists. However, for the playing effect of an intelligent sound box, the playing effect is greatly influenced by the placement position of the intelligent sound box, and for a simple example, when the sound box is over against the user, the auditory effect of the user is certainly stronger than the auditory effect of the user when the sound box is back against the user. For the sound effect of the sound box, especially for professional players of some feverish friends, the actual placement position of the sound box at home can be extremely concerned, and the placement position of some or even great civil engineering determines the whole indoor design to pursue the extremely sound effect experience of the whole indoor sound box.
In some of the above situations, more than some actions or behaviors are manually and actively performed, and according to some experiences of the user or the guidance of others, the adjustment position is not precise, so that the method is not generally applicable.
Disclosure of Invention
The invention aims to overcome the defects of inaccurate and inconvenient adjustment of the placement position of an intelligent sound box caused by manual adjustment in the prior art, and provides an intelligent sound box and a method for determining a target placement position thereof.
The invention solves the technical problems through the following technical scheme:
an intelligent sound box comprises an audio playing module, an audio acquisition module, an image acquisition module and a control module;
the image acquisition module is used for acquiring environment image information of the intelligent sound box at the current position and sending the environment image information to the control module;
the audio playing module is used for playing a first audio signal and sending the first audio signal to the control module;
the audio acquisition module is used for receiving the first audio signal to obtain a first acquisition signal and sending the first acquisition signal to the control module;
the control module is used for performing acoustic simulation according to the environment image information, the first audio signal and the first acquisition signal to obtain at least one target placement position of the intelligent sound box in the environment image information, and the target placement position is used for representing the target placement position of the intelligent sound box.
Optionally, the control module includes an acoustic simulation model, where the acoustic simulation model is configured to perform acoustic simulation according to the environment image information, the first audio signal, and the first collection signal to obtain at least one target placement position of the smart speaker in the environment image information, and when the smart speaker is located at the target placement position and the audio playing module plays the second audio signal, the audio collection module receives the second audio signal to obtain a second collection signal, where a difference between signal strengths of the second collection signal and the second audio signal is smaller than a first preset threshold.
Optionally, the acoustic simulation model is configured to establish an environment model according to the environment image information, obtain a correspondence between the first audio signal and the first collected signal of the smart sound box in the environment model according to the first audio signal and the first collected signal, simulate a placement position of the smart sound box in the environment image information according to the correspondence, and obtain at least one target placement position of the smart sound box in the environment image information;
and/or the presence of a gas in the gas,
the acoustic simulation model is used for sequencing the target placement positions according to the magnitude sequence of the difference values at the corresponding positions, and the position corresponding to the minimum value of the difference values is the target placement position.
Optionally, the image acquisition module includes at least one of a camera, an ultrasonic transceiver unit, and a low-frequency acoustic unit.
Optionally, the control module is further configured to send the target placement position to the audio playing module, and the audio playing module is configured to play the target placement position.
Optionally, the smart speaker further includes a display module, the control module is further configured to send the target placement position to the display module, and the display module is configured to display the target placement position.
Optionally, when the smart sound box is located at any one of the target placement positions, the position where the smart sound box is located is a selected position, the control module is further configured to iteratively generate a position adjustment instruction of the selected position, and send the adjustment instruction to the image acquisition module and the audio playing module, the image acquisition module is configured to receive the adjustment instruction, acquire environment image information of the smart sound box at the selected position, and send the environment image information to the control module;
the audio playing module is used for receiving the adjusting instruction, playing a third audio signal and sending the third audio signal to the control module;
the audio acquisition module is used for receiving the third audio signal to obtain a third acquisition signal and sending the third acquisition signal to the control module;
the control module is used for performing acoustic simulation according to the environment image information, the third audio signal and the third collected signal to obtain an adjusting position of the intelligent sound box in the environment image information, judging whether the adjusting position is different from the selected position or not, and if the adjusting position is different from the selected position, updating the target placement position to be the adjusting position.
Optionally, the audio playing module is a rotatable audio playing module, the audio capturing module includes a plurality of audio capturing units, the control module is further configured to generate a playing adjustment instruction when the smart sound box is located at any one of the target placement positions, and send the playing adjustment instruction to the audio playing module, the audio playing module is configured to receive the playing adjustment instruction and play a fourth audio signal, and each of the audio capturing units is configured to receive the fourth audio signal respectively to obtain a corresponding capturing signal, and send the capturing signal to the control module respectively;
the control module is further configured to determine whether a difference in loudness between the collected signals is greater than a second preset threshold, and if the difference in loudness between the collected signals is greater than the second preset threshold, adjust the direction of the rotating audio playing module and return to the step of executing the rotating audio playing module to play the fourth audio signal until the difference in loudness between the collected signals is less than the second preset threshold.
Optionally, the audio playing module includes a plurality of audio playing units, the audio collecting module includes a plurality of audio collecting units, and the control module is further configured to play a fifth audio signal by each of the audio playing units when the smart sound box is located at any one of the target placement positions, and each of the audio collecting units respectively receives the fifth audio signal to obtain a corresponding collecting signal and respectively sends the collecting signal to the control module;
the control module judges whether the difference of the loudness among the collected signals is larger than a third preset threshold value, if the difference of the loudness among the collected signals is larger than the third preset threshold value, the power of the audio playing units is adjusted, and the step of playing a fifth audio signal by each audio playing unit is returned to be executed until the difference of the loudness among the collected signals is smaller than the third preset threshold value.
A method for determining the target placement position of an intelligent sound box is characterized in that the intelligent sound box is adopted to determine the target placement position of the intelligent sound box.
The positive progress effects of the invention are as follows:
the intelligent sound box can acquire the image information of the environment where the intelligent sound box is located through the image acquisition module, and can obtain a plurality of target placement positions through the acoustic simulation of the control module, so that the target placement positions of the audio playing effect positions of the intelligent sound box are determined more accurately, the intelligent sound box is more convenient for users, and a brand new experience is brought to the users.
Drawings
Fig. 1 is a schematic block diagram of a smart sound box according to embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of a smart speaker according to embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The present embodiment provides a smart sound box, as shown in fig. 1, the smart sound box includes an audio playing module 101, an audio collecting module 102, an image collecting module 103, and a control module 104.
The image acquisition module 103 is used for acquiring environment image information of the intelligent sound box at the current position and sending the environment image information to the control module 104;
the audio playing module 101 is configured to play a first audio signal and send the first audio signal to the control module 104;
the audio acquisition module 102 is configured to receive a first audio signal to obtain a first acquisition signal, and send the first acquisition signal to the control module 104;
the control module 104 is configured to perform acoustic simulation according to the environment image information, the first audio signal, and the first collected signal to obtain at least one target placement position of the smart speaker in the environment image information, where the target placement position is used to represent a target placement position where the smart speaker is placed.
The intelligent sound box of this embodiment can gather the image information of the environment that the intelligent sound box is located through image acquisition module to carry out acoustics emulation through control module and obtain several targets and place the position, thereby make the target that the audio frequency effect position was broadcast to the intelligent sound box place the position confirm more accurate, and then convenience of customers more, bring a brand-new experience for the user.
Example 2
Compared with embodiment 1, the present embodiment is different in that, more specifically, the image capturing module 103 includes at least one of a camera, an ultrasonic transceiver unit, and a low-frequency acoustic unit.
If the image information of the current environment, such as the space size of a room, the furniture placement position and other information, can be directly obtained by the camera through the optical system, and the indoor environment is the space environment in which the intelligent sound box needs to be placed next, the state of the current environment can also be obtained by means of the reflection information of the ultrasonic wave receiving and transmitting unit through the ultrasonic wave receiving and transmitting principle; the environment information can be acquired through echo information by using a low-frequency acoustic system similar to an ultrasonic transceiving principle through a loudspeaker and a microphone on the intelligent sound box. Of course, other common environment detection methods may be used, and are not limited herein.
More specifically, as shown in fig. 2, the control module 104 includes an acoustic simulation model 1041, where the acoustic simulation model 1041 is configured to perform acoustic simulation according to the environment image information, the first audio signal, and the first collected signal to obtain at least one target placement position of the smart speaker in the environment image information, when the smart speaker is located at the target placement position, and when the audio playing module 101 plays the second audio signal, the audio collecting module 102 receives the second audio signal to obtain a second collected signal, and a difference between signal strengths of the second collected signal and the second audio signal is smaller than a first preset threshold.
More specifically, the acoustic simulation model 1041 is configured to establish an environment model according to the environment image information, obtain a corresponding relationship between the first audio signal and the first collected signal of the intelligent sound box in the environment model according to the first audio signal and the first collected signal, simulate a placement position of the intelligent sound box in the environment image information according to the corresponding relationship, and obtain at least one target placement position of the intelligent sound box in the environment image information.
The acoustic simulation model in this embodiment may be disposed on the smart speaker, or may be disposed on the remote server, which is not limited herein.
In this embodiment, for example, the current environment where the intelligent sound box is placed is indoor, the environmental image information may specifically include indoor size and information such as the shape and placement position of furniture according to the current environmental image information, the acoustic simulation model 1041 performs acoustic simulation on each placement position of the intelligent sound box in the established environmental model according to the current environmental image information and the test audio of the intelligent sound box in the actual environment, that is, several positions where the difference between the signal intensities of the second collected signal and the second audio signal is the minimum are used as several target placement positions with better audio playing effect.
The acoustic simulation model 1041 is configured to sort the target placement positions according to a magnitude order of the difference values at the corresponding positions, and a position corresponding to a minimum value of the difference values is the target placement position and is used as an optimal target placement position.
In order to facilitate the user to view the specific location information, the smart sound box further includes a display module 105, the control module 104 is further configured to send the target placement location to the display module, and the display module 105 is configured to display the target placement location. In order to facilitate the user to hear the information of the target placement position, the control module 104 is further configured to send the target placement position to an audio playing module, and the audio playing module is configured to play the target placement position.
The control module 104 is further configured to iteratively generate a position adjustment instruction of the selected position, and send the adjustment instruction to the image acquisition module and the audio playing module 101, where the image acquisition module is configured to receive the adjustment instruction, acquire environment image information of the smart speaker at the selected position, and send the environment image information to the control module 104. The audio playing module 101 is configured to receive the adjustment instruction, play a third audio signal, and send the third audio signal to the control module 104. The audio acquisition module 102 is configured to receive a third audio signal to obtain a third acquisition signal, and send the third acquisition signal to the control module 104. The control module 104 is configured to perform acoustic simulation according to the environment image information, the third audio signal, and the third collected signal to obtain an adjusted position of the smart sound box in the environment image information, determine whether the adjusted position is different from the selected position, and update the target placement position to the adjusted position if the adjusted position is different from the selected position.
When the intelligent sound box is located at any one of the target placing positions, any one of the positions where the intelligent sound box is located is a selected position, the selected position where the intelligent sound box is located is a better placing position obtained in simulation, when the intelligent sound box is actually located at the selected position, some deviation may exist, for this reason, actual testing can be conducted at the selected position, fine tuning is conducted according to the result of the actual testing, the actual testing can be iterated for multiple times, and corresponding fine tuning can also be correspondingly adjusted for multiple times until the optimal position appears.
In many scenarios, there may be a situation where the obtained target placement position still does not achieve a satisfactory music experience for the user. For example, in an open outdoor environment or a complex-furnishing indoor environment and the like, even if the intelligent sound box determines the best position, the best position is difficult to adjust due to objective reality, and self-adjustment can be performed through the intelligent sound box at the moment so as to adapt to the current playing environment and achieve a better audio playing effect.
Specifically, the audio playing module 101 is a rotatable audio playing module 101, the audio collecting module 102 includes a plurality of audio collecting units, the control module 104 is further configured to generate a playing adjustment instruction when the smart speaker is located at any one of the target placement positions, and send the playing adjustment instruction to the audio playing module 101, the audio playing module 101 is configured to receive the playing adjustment instruction and play a fourth audio signal, and each audio collecting unit is configured to receive the fourth audio signal respectively to obtain a corresponding collecting signal, and send the collecting signal to the control module 104 respectively.
The control module 104 is further configured to determine whether the difference of the loudness between the collected signals is greater than a second preset threshold, adjust the direction of the rotating audio playing module 101 if the difference of the loudness between the collected signals is greater than the second preset threshold, and return to the step of executing the rotating audio playing module 101 to play the fourth audio signal until the difference of the loudness between the collected signals is less than the second preset threshold.
The intelligent sound box can also be provided with a rotary audio playing module, and output driving in all directions of the audio playing module is adjusted, so that the direction of the loudspeaker is controlled, and the audio effect in the current environment can reach a consistent state.
Or, the audio playing module 101 includes a plurality of audio playing units, the audio collecting module 102 includes a plurality of audio collecting units, and the control module 104 is further configured to play a fifth audio signal by each audio playing unit when the smart sound box is located at any one of the target placement positions, and each audio collecting unit receives the fifth audio signal to obtain a corresponding collecting signal and sends the collecting signal to the control module 104;
the control module 104 determines whether the difference of the loudness between the collected signals is greater than a third preset threshold, and if the difference of the loudness between the collected signals is greater than the third preset threshold, adjusts the power of the audio playing units, and returns to the step of executing each audio playing unit to play the fifth audio signal until the difference of the loudness between the collected signals is less than the third preset threshold.
By setting a plurality of audio playing units and adjusting the playing loudness of each audio playing unit, the audio effect in the current environment reaches a consistent state.
This embodiment can gather the environment image information that intelligent audio amplifier was located through image acquisition module, and carry out acoustics emulation through control module and obtain several target placement positions that audio playback effect is best, when intelligent audio amplifier puts arbitrary position in the target placement position, can realize best or better music playback effect, thereby make the target placement position's of intelligent audio amplifier broadcast audio effect position definite more accurate, convenience of customers more, and through the direction of adjusting rotatable audio playback module, or adjust the loudness of every audio playback unit, make the audio effect of broadcast reach unanimous state, and then bring a brand-new experience and experience for the user.
Example 3
The embodiment provides a method for determining a target placement position of an intelligent sound box, which is implemented by using the intelligent sound box in embodiment 2 to determine the target placement position of the intelligent sound box.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. An intelligent sound box is characterized by comprising an audio playing module, an audio acquisition module, an image acquisition module and a control module;
the image acquisition module is used for acquiring environment image information of the intelligent sound box at the current position and sending the environment image information to the control module;
the audio playing module is used for playing a first audio signal and sending the first audio signal to the control module;
the audio acquisition module is used for receiving the first audio signal to obtain a first acquisition signal and sending the first acquisition signal to the control module;
the control module is used for performing acoustic simulation according to the environment image information, the first audio signal and the first collected signal to obtain at least one target placement position of the intelligent sound box in the environment image information, and the target placement position is used for representing the target placement position of the intelligent sound box;
the audio playing module comprises a plurality of audio playing units, the audio collecting module comprises a plurality of audio collecting units, the control module is further used for playing a fifth audio signal by each audio playing unit when the intelligent sound box is located at any one of the target placing positions, each audio collecting unit respectively receives the fifth audio signal to obtain a corresponding collecting signal, and the collecting signals are respectively sent to the control module;
the control module judges whether the difference value of the loudness between the collected signals is larger than a third preset threshold value, if the difference value of the loudness between the collected signals is larger than the third preset threshold value, the power of the audio playing units is adjusted, and the step of playing a fifth audio signal by each audio playing unit is returned to be executed until the difference value of the loudness between the collected signals is smaller than the third preset threshold value;
the control module comprises an acoustic simulation model, the acoustic simulation model is used for performing acoustic simulation according to the environment image information, the first audio signal and the first acquisition signal to obtain at least one target placement position of the intelligent sound box in the environment image information, when the intelligent sound box is located at the target placement position, and when the audio playing module plays a second audio signal, the audio acquisition module receives the second audio signal to obtain a second acquisition signal, and the difference between the signal intensity of the second acquisition signal and the signal intensity of the second audio signal is smaller than a first preset threshold value.
2. The smart sound box according to claim 1, wherein the acoustic simulation model is configured to establish an environment model according to the environment image information, obtain a corresponding relationship between the first audio signal and the first collected signal of the smart sound box in the environment model according to the first audio signal and the first collected signal, simulate a placement position of the smart sound box in the environment image information according to the corresponding relationship, and obtain at least one target placement position of the smart sound box in the environment image information;
and/or the presence of a gas in the gas,
the acoustic simulation model is used for sequencing the target placement positions according to the magnitude sequence of the difference values at the corresponding positions, and the position corresponding to the minimum value of the difference values is the target placement position.
3. The smart sound box of claim 1, wherein the image capturing module comprises at least one of a camera, an ultrasound transceiver unit, and a low frequency acoustic unit.
4. The smart sound box of claim 1, wherein the control module is further configured to send the target placement location to the audio playing module, and the audio playing module is configured to play the target placement location.
5. The smart sound box of claim 1, wherein the smart sound box further comprises a display module, the control module is further configured to send the target placement location to the display module, and the display module is configured to display the target placement location.
6. The smart sound box according to claim 1, wherein when the smart sound box is located at any one of the target placement positions, the location at which the smart sound box is located is a selected location, the control module is further configured to iteratively generate a location adjustment instruction for the selected location and send the adjustment instruction to the image acquisition module and the audio playing module, and the image acquisition module is configured to receive the adjustment instruction, acquire environment image information of the smart sound box at the selected location, and send the environment image information to the control module;
the audio playing module is used for receiving the adjusting instruction, playing a third audio signal and sending the third audio signal to the control module;
the audio acquisition module is used for receiving the third audio signal to obtain a third acquisition signal and sending the third acquisition signal to the control module;
the control module is used for performing acoustic simulation according to the environment image information, the third audio signal and the third collected signal to obtain an adjusting position of the intelligent sound box in the environment image information, judging whether the adjusting position is different from the selected position or not, and if the adjusting position is different from the selected position, updating the target placement position to be the adjusting position.
7. The smart sound box according to claim 1, wherein the audio playing module is a rotatable audio playing module, the audio capturing module includes a plurality of audio capturing units, the control module is further configured to generate a playing adjustment instruction and send the playing adjustment instruction to the audio playing module when the smart sound box is located at any one of the target placement positions, the audio playing module is configured to receive the playing adjustment instruction and play a fourth audio signal, and each of the audio capturing units is configured to receive the fourth audio signal respectively to obtain a corresponding capturing signal and send the capturing signal to the control module respectively;
the control module is further configured to determine whether the difference in loudness between the collected signals is greater than a second preset threshold, adjust the direction of the audio playing module if the difference in loudness between the collected signals is greater than the second preset threshold, and return to the step of executing the audio playing module to play the fourth audio signal until the difference in loudness between the collected signals is less than the second preset threshold.
8. A method for determining a target placement position of a smart speaker, wherein the target placement position of the smart speaker is determined by using the smart speaker according to any one of claims 1 to 7.
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| CN112015171A (en) * | 2019-05-31 | 2020-12-01 | 北京京东振世信息技术有限公司 | Intelligent sound box, method and device for controlling intelligent sound box and storage medium |
| CN111586553B (en) * | 2020-05-27 | 2022-06-03 | 京东方科技集团股份有限公司 | Display device and working method thereof |
| CN111787460B (en) * | 2020-06-23 | 2021-11-09 | 北京小米移动软件有限公司 | Equipment control method and device |
| CN113965741A (en) * | 2021-11-26 | 2022-01-21 | 北京萌特博智能机器人科技有限公司 | Entertainment equipment automatic deployment method, device, equipment and storage medium |
| CN115776633B (en) * | 2023-02-10 | 2023-04-11 | 成都智科通信技术股份有限公司 | Loudspeaker control method and system for indoor scene |
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