CN110996217B - Sound channel selection method and device for sound box and sound box - Google Patents
Sound channel selection method and device for sound box and sound box Download PDFInfo
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- CN110996217B CN110996217B CN201911200447.2A CN201911200447A CN110996217B CN 110996217 B CN110996217 B CN 110996217B CN 201911200447 A CN201911200447 A CN 201911200447A CN 110996217 B CN110996217 B CN 110996217B
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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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
Abstract
The invention discloses a method and a device for selecting sound channels of a sound box and the sound box, wherein the method comprises the following steps: acquiring a voice command for starting the sound box; determining the user position of the user according to the voice command; determining that the sound box closer to the user is a first sound box and the sound box farther from the user is a second sound box according to the position of the user; and determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position of the user and the position of the first sound box. The invention can make the left ear of the user listen to the left channel sound and the right ear listen to the right channel sound, thereby effectively ensuring the stereo playing effect.
Description
Technical Field
The invention relates to the technical field of sound boxes, in particular to a sound box sound channel selection method and device and a sound box.
Background
In recent years, the field of intelligent household appliances is rapidly developed, wherein intelligent sound boxes are more concerned, users can enjoy wonderful music through the intelligent sound boxes, the size of the sound boxes is small generally, the positions of the sound boxes can be randomly placed, the general sound boxes are provided with left channels and right channels which are distinguished, the left ear of the user can listen to the left channel sound, the right ear can listen to the right channel sound, and the listening users can feel the immersive stereo sound through the arrangement of the left channel and the right channel, but the placement positions of the sound boxes are random, so that sometimes the sounds heard by the users are opposite, namely the left ear of the user can listen to the right channel sound, and the left channel of the right ear can listen to the right channel sound, so that the stereo playing effect is reduced.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
Disclosure of Invention
Therefore, in order to solve the problem that the stereo playing effect is reduced because the existing sound box is placed at any position and the sounds received by the user are opposite sometimes, it is necessary to provide a method and a device for selecting sound channels of the sound box and the sound box, which can enable the left ear of the user to receive the left channel sounds and the right ear to receive the right channel sounds, and effectively ensure the stereo playing effect.
In order to achieve the above object, the present invention provides a method for selecting a sound channel of a sound box, the method comprising:
acquiring a voice command for starting the sound box;
determining the user position of the user according to the voice command;
determining that the sound box closer to the user is a first sound box and the sound box farther from the user is a second sound box according to the position of the user;
and determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position of the user and the position of the first sound box.
Optionally, the step of determining that the first sound box is a left sound channel or a right sound channel according to the user position and the position of the first sound box, and the step of determining that the second sound box is a remaining sound channel includes:
obtaining a first included angle formed by connecting a first connection wire and a second included angle formed by connecting a second connection wire and the connection wire, wherein the angle ranges of the first included angle and the second included angle are both 0-180 degrees;
determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position relation of the first included angle and the connecting line; wherein the content of the first and second substances,
the connecting line is a line formed by connecting the position of the first sound box and the position of the second sound box, the first connecting line is a line formed by connecting the position of the user and the position of the first sound box, and the second connecting line is a line formed by connecting the position of the user and the position of the second sound box.
Optionally, the step of determining that the first sound box is a left sound channel or a right sound channel according to the first included angle and the position relationship of the connection line, and the step of determining that the second sound box is a remaining sound channel includes:
the first included angle is formed by the connecting line rotating anticlockwise by the first sound box, and then the first sound box is a right sound channel;
the first included angle is formed by clockwise rotation of the connecting line by the first sound box, and then the first sound box is a left sound channel.
Optionally, after the step of determining that the first speaker is a left channel or a right channel according to the user position and the position of the first speaker, the step of determining that the second speaker is a remaining channel includes:
and determining whether the user is in a preset range for answering the sound or not according to the first included angle and the second included angle.
Optionally, the step of determining whether the user is in a preset range for listening to sound according to the first included angle and the second included angle includes:
if the first included angle and the second included angle are both between 0 and 90 degrees, the user is in a preset range of answering sound;
and if one of the first included angle and the second included angle is larger than 90 degrees, the user is not in a preset range for listening to the sound.
Optionally, if one of the first included angle and the second included angle is greater than 90 °, the step that the user is not in the preset range of listening to the sound includes:
the prompt is used to move to within a preset range of listening to the sound.
Optionally, after the step of determining that the first speaker is a left channel or a right channel according to the user position and the position of the first speaker, the step of determining that the second speaker is a remaining channel includes:
and acquiring the distance between the first sound box and the second sound box, and comparing the distance with a preset distance to adjust the distance between the first sound box and the second sound box.
Optionally, the step of determining, according to the user position, that the loudspeaker box closer to the user is a first loudspeaker box and the loudspeaker box farther from the user is a second loudspeaker box includes:
calculating to obtain the distances between the user and the sound box as a first distance and a second distance respectively according to the voice command;
and comparing the first distance with the second distance to determine that the loudspeaker box closer to the user is the first loudspeaker box and the loudspeaker box farther away is the second loudspeaker box.
In addition, in order to achieve the above object, the present invention further provides a sound channel selecting apparatus for a loudspeaker, the apparatus comprising:
the starting module is used for acquiring a voice command for starting the sound box;
the determining module is used for determining the user position of the user according to the voice command;
the determining module is further configured to determine, according to the user position, that the sound box closer to the user is a first sound box, and the sound box farther away is a second sound box;
and the selection module is used for determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position of the user and the position of the first sound box.
In addition, in order to achieve the above object, the present invention also provides an acoustic enclosure, comprising: the sound box sound channel selection program comprises a memory, a processor and a sound box sound channel selection program which is stored on the memory and can be operated on the processor; the sound channel selection program, when executed by the processor, implements the steps of the sound channel selection method as described above.
According to the technical scheme provided by the invention, the position of a user, namely the position of the user, is determined according to a voice command for starting a sound box, and the distance from the user to the sound box is determined according to the position of the user, wherein the sound box closer to the user is a first sound box, the sound box farther away from the user is a second sound box, the position relation between the position of the user and the position of the first sound box is analyzed, and the first sound box is obtained to be a left sound channel or a right sound channel, the second sound box is obtained to be a residual sound channel, namely the first sound box is a left sound channel, the second sound box is a right sound channel, or the first sound box is a right sound channel, and the second sound box is a left sound channel.
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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a method for selecting a sound channel of a sound box according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for selecting a sound channel of a speaker according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for selecting a sound channel of a sound box according to a third embodiment of the present invention;
FIG. 4 is a flowchart illustrating a fourth embodiment of a method for selecting a sound channel of a speaker according to the present invention;
FIG. 5 is a flowchart illustrating a fifth embodiment of a method for selecting a sound channel of a sound box according to the present invention;
FIG. 6 is a flowchart illustrating a sixth embodiment of a method for selecting a sound channel of a speaker according to the present invention;
FIG. 7 is a flowchart illustrating a method for selecting a sound channel of a speaker according to a seventh embodiment of the present invention;
FIG. 8 is a flowchart illustrating a method for selecting a sound channel of a speaker according to an eighth embodiment of the present invention;
FIG. 9 is a schematic connection diagram of the device for selecting a sound channel of a sound box according to the present invention;
FIG. 10 is a schematic view of the top view of the enclosure of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, a first embodiment of the present invention provides a method for selecting a sound channel of a sound box, where the sound box of the present invention includes an intelligent sound box, an intelligent (intelligent) sound box, referred to as AI sound box, a recognition module capable of recognizing voice is usually disposed in the intelligent sound box, and the received specific content of the voice can be analyzed by the recognition module, and the intelligent sound box performs a corresponding action, such as power on or power off, according to the specific content of the voice, the method includes:
and step S10, acquiring a voice command for opening the sound box.
Specifically, a recognition module capable of recognizing voice is disposed in the sound box, and a specific operation action of the voice command can be recognized through the recognition module, generally speaking, a processor is disposed in the sound box, and the processor controls the recognition module to obtain the voice command for turning on the sound box, where the voice command may be issued by an external device or a user. For example, the sound box is placed in a living room of a home, a user intends to enjoy music during leisure, the user can send a voice command including power-on to the sound box, and the processor receives the voice command by controlling the recognition module and recognizes the voice command.
Step S20, determining the user location according to the voice command.
Generally speaking, the sound boxes include two sound boxes, one sound box opens the right sound channel, the other sound box opens the left sound channel, stereo sound is formed through the playing of the left and right sound channels, the two sound boxes can be connected through bluetooth, and can also be in other wireless connection modes, and the placing positions of the two sound boxes are also at any positions. In the process of receiving the voice command, the sound box determines which side of the sound box the user is located at according to the direction of the voice sent by the user, and in addition, the sound has a certain speed when being transmitted in the air, so that the distance between the user and the two sound boxes can be calculated, and the position of the user can be further determined.
And step S30, determining the sound box closer to the user as a first sound box and the sound box farther from the user as a second sound box according to the position of the user.
The distance between the user and the two sound boxes is calculated according to the position of the user, the distance between the two sound boxes and the user is calculated through comparison, the sound box closer to the user is defined as a first sound box, and the sound box farther away from the user is defined as a second sound box.
Step S40, determining the first sound box as a left sound channel or a right sound channel and the second sound box as a residual sound channel according to the user position and the position of the first sound box.
Specifically, with the first sound box closer to the user as a judgment reference, whether the first sound box is located on the left-hand side or the right-hand side of the user is analyzed according to the user position, and if the first sound box is located on the left-hand side of the user, it is determined that the first sound box is a left sound channel and the second sound box is a right sound channel. And if the first sound box is positioned at the right hand side of the user, determining that the first sound box is a right sound channel and the second sound box is a left sound channel. Therefore, according to the position of the user, the first sound box and the second sound box finish the selection of the left sound channel and the right sound channel, and the user can obtain a good stereo experience effect.
In addition, the second speaker far away from the user may be used as a criterion, specifically, whether the second speaker is located on the left-hand side or the right-hand side of the user is analyzed according to the user location, and if the second speaker is located on the left-hand side of the user, it is determined that the second speaker is a left channel and the first speaker is a right channel. And if the second sound box is positioned on the right hand side of the user, determining that the second sound box is a right sound channel and the first sound box is a left sound channel.
Furthermore, the processor for controlling the sound boxes can be arranged in the first sound box or the second sound box, or the processor is arranged in both the first sound box and the second sound box.
In the technical scheme provided by this embodiment, a position where a user is located, that is, a user position, is determined according to a voice command for turning on a sound box, and a distance from the sound box is determined according to the user position, wherein a sound box closer to the user is a first sound box, and a sound box farther away is a second sound box, and a relationship between the user position and the position where the first sound box is located is analyzed, so that the first sound box is a left sound channel or a right sound channel, and the second sound box is a remaining sound channel, that is, the first sound box is a left sound channel, the second sound box is a right sound channel, or the first sound box is a right sound channel, and the second sound box is a left sound channel.
Referring to fig. 2, based on the first embodiment of the present invention, a second embodiment of the present invention is proposed, wherein the step S40 of determining the first speaker to be the left channel or the right channel and the second speaker to be the remaining channel according to the user position and the position of the first speaker comprises:
and S410, obtaining a first included angle formed by connecting the first connecting wire and the connecting wire and a second included angle formed by connecting the second connecting wire and the connecting wire, wherein the angle ranges of the first included angle and the second included angle are both 0-180 degrees.
Specifically, connect first audio amplifier and second audio amplifier and user's position and form triangle-shaped, first wiring and connecting wire form first contained angle, and the second contained angle that second wiring and connecting wire connection formed.
Step S420, determining the first sound box as a left sound channel or a right sound channel and the second sound box as a remaining sound channel according to the relationship between the first included angle and the position of the connection line.
The connection line is a line formed by connecting the position of the first sound box and the position of the second sound box, the first connection line is a line formed by connecting the position of the user and the position of the first sound box, and the second connection line is a line formed by connecting the position of the user and the position of the second sound box. Overlooking the spatial positions of the first sound box and the second sound box to obtain an overlooking plane, wherein the position of the first sound box and the position of the second sound box are connected to form a connecting line, the overlooking plane is divided into a first listening area and a second listening area by the connecting line, and the position of a user in the first listening area or the position of the user in the second listening area can be obtained through a voice command sent by the user so as to further analyze the position of the user.
Specifically, with the first sound box as a judgment reference, it is determined how the connection line surrounds the first sound box to form a first included angle formed by analyzing the first connection line and the connection line, and thus the first sound box is a left sound channel or a right sound channel, for example, the first included angle is formed by the connection line around the first sound box counterclockwise or clockwise, if the first included angle is formed by the connection line around the first sound box counterclockwise, it is determined that the first sound box is a right sound channel, the second sound box is a left sound channel, and if the second included angle is formed by the connection line around the first sound box clockwise, it is determined that the first sound box is a left sound channel, and the second sound box is a right sound channel.
Referring to fig. 3, based on the second embodiment of the present invention, a third embodiment of the present invention is provided, where the step S420 of determining that the first sound box is the left sound channel or the right sound channel and the second sound box is the remaining sound channel according to the first included angle and the position relationship of the connection line includes:
in step S421, the first included angle is formed by the connecting line rotating counterclockwise by the first sound box, and the first sound box is a right sound channel.
Specifically, the first included angle ranges from 0 ° to 180 °, and the first included angle is formed by counterclockwise rotation of the connecting line by the first sound box, which indicates that the user is located in the first listening area, and the first sound box is located at the right-hand direction position of the user, and thus it is determined that the first sound box is a right sound channel and the second sound box is a left sound channel.
Step S422, the first included angle is formed by the connecting line rotating clockwise by the first sound box, and the first sound box is a left sound channel.
Specifically, the first included angle ranges from 0 ° to 180 °, and the first included angle is formed by clockwise rotation of the connecting line by the first sound box, which indicates that the user is located in the second listening area, and the first sound box is located at the left-hand position of the user, so that it is determined that the first sound box is a left sound channel, and the second sound box is a right sound channel.
In addition, first contained angle still can be 0, that is to say this moment, and the user is located the connecting wire, and is located the second audio amplifier and deviates from first audio amplifier one side, can set for first audio amplifier this moment and be the left sound track, and the second audio amplifier is the right sound track, also can set for first audio amplifier and be the right sound track, and the second audio amplifier is the left sound track.
Moreover, first contained angle still can be 180, that is to say this moment, the user is located the connecting wire, and is located first audio amplifier and deviates from second audio amplifier one side, can set for first audio amplifier this moment and be the left sound track, and the second audio amplifier is the right sound track, also can set for first audio amplifier and be the right sound track, and the second audio amplifier is the left sound track.
Referring to fig. 4, based on the second embodiment of the present invention, a fourth embodiment of the present invention is provided, where the step S420 of determining the first speaker as the left channel or the right channel and the second speaker as the remaining channel according to the user position and the position of the first speaker includes:
step S430, determining whether the user is within a preset range for listening to the sound according to the first angle and the second angle.
Generally speaking, the direction and position suitable for the user to listen to the sound are within a certain range, and out of this range, the quality of the sound listened to by the user will be reduced, and the stereo effect cannot be effectively realized, and this range suitable for the user to listen to the sound is a preset range. Whether the user is in the preset range of the sound receiving is determined, so that the user is further prompted to move to the preset range, and the stereo experience effect is guaranteed.
Referring to fig. 5, based on the fourth embodiment of the present invention, a fifth embodiment of the present invention is proposed, and the step S430 of determining whether the user is within the preset range of listening to the sound according to the magnitudes of the first angle and the second angle includes:
step S431, if the first included angle and the second included angle are both between 0 and 90 degrees, the user is in a preset range of answering sound;
that is to say, first contained angle and second contained angle are the acute angle to this guarantees that the user obtains better hearing experience.
Step S432, if one of the first included angle or the second included angle is greater than 90 °, the user is not in the preset range for listening to the sound.
That is, one of the first included angle and the second included angle is an obtuse angle, and at this time, it is determined that the user is not within the preset range for listening to the sound. Therefore, whether the user is in the preset range or not can be judged through the determination of the angle values of the first included angle and the second included angle.
Referring to fig. 6, based on the fifth embodiment of the present invention, a sixth embodiment of the present invention is provided, where if one of the first included angle and the second included angle is greater than 90 °, the step S432 where the user is not in the preset range of listening to the sound includes:
step S433, prompting to move to a preset range for receiving the sound.
Specifically, when one of the first angle and the second angle is greater than 90 °, the processor prompts the user to move to a preset range in a form of outputting voice, for example, prompts the user how much distance to move left or right.
In addition, the position and the preset range of the user can be identified in the picture through the formation of picture display, and therefore the user can move to the preset range together with the picture, and good stereo experience is guaranteed.
Referring to fig. 7, on the basis of any one of the first to sixth embodiments of the present invention, a seventh embodiment of the present invention is provided, wherein the step S40 of determining the first sound box as the left channel or the right channel and the second sound box as the remaining channel according to the user position and the position of the first sound box comprises:
and step S50, obtaining the distance between the first sound box and the second sound box, and comparing the distance with the preset distance to adjust the distance between the first sound box and the second sound box.
Specifically, with first audio amplifier as the judgement benchmark, the second audio amplifier sends pronunciation to first audio amplifier, and the pronunciation that the second audio amplifier was sent is received to first audio amplifier, through the propagation velocity of sound in the air to and, the time of sound by second audio amplifier to first audio amplifier, calculate and obtain the distance between first audio amplifier and the second audio amplifier, interval distance promptly. Usually, the interval distance is too big, and the sound that first audio amplifier and second audio amplifier were sent is difficult to fuse and forms stereo, for this reason, sets for and predetermines the distance, through whether the contrast interval distance is in predetermineeing the distance, if the interval distance is not in predetermineeing the distance, then the suggestion user adjusts the distance of first audio amplifier and second audio amplifier, makes the interval distance in predetermineeing the distance, guarantees that the sound that first audio amplifier and second audio amplifier sent fuses and forms stereo. Further, in order to determine that the user is located at the position of the first sound box and the second sound box is located at the specific position of the first sound box, the first sound box and the second sound box are both provided with two sound pickup microphones, for example, the user sends a voice command to the first sound box, and the approximate position of the user can be calculated by using the time difference of sound received by the two microphones. For example, the first speaker is provided with two microphones, one of the microphones receives the user's voice first, and the other microphone receives the user's voice later, so that the user approaches the microphone which receives the user's voice first, and the user's position is calculated according to the time difference between the two microphones receiving the user's voice. Further, it can be seen that the greater the number of microphone settings, the more accurate the determination of the user's location.
In addition, still can set up infrared transmitter through on the second audio amplifier, first audio amplifier sets up infrared receiver, and the second audio amplifier is to first audio amplifier transmission infrared light to this interval distance of measuring first audio amplifier and second audio amplifier.
Referring to fig. 8, based on the seventh embodiment of the present invention, an eighth embodiment of the present invention is proposed, wherein the step S50 of determining, according to the user position, that the sound box closer to the user is the first sound box and the sound box farther from the user is the second sound box includes:
step S510, calculating to obtain that the distances between the user and the sound box are respectively a first distance and a second distance according to the voice command;
step S520, comparing the first distance with the second distance, and determining that the sound box closer to the user is the first sound box and the sound box farther from the user is the second sound box.
Specifically, the distance between the user and the two sound boxes is calculated through the propagation speed of sound in the air and the time that the voice command is propagated to the first sound box and the second sound box respectively, the distance between the user and the first sound box is obtained as a first distance, and the distance between the user and the second sound box is obtained as a second distance.
In addition, the standard distance from the user to the first sound box can be set as a first standard distance, the standard distance from the user to the second sound box is set as a second standard distance, and the user position can obtain better stereo experience in the first standard distance and the second standard distance, namely, the first distance is in the first standard distance range, and the second distance is in the second standard distance range. The first standard distance and the second standard distance of the sound boxes with different models are different.
Referring to fig. 9 and 10, the sound box of the present invention includes an intelligent sound box, which is called an AI sound box for short, wherein an identification module capable of identifying a voice is usually disposed in the intelligent sound box, and the received specific content of the voice can be analyzed by the identification module, and the intelligent sound box performs a corresponding action, such as power on or power off, according to the specific content of the voice, and the apparatus includes: the system comprises a starting module 100, a determining module 200 and a selecting module 300.
The starting module 100 is used for acquiring a voice command for starting the sound box; specifically, a recognition module capable of recognizing voice is disposed in the sound box, and a specific operation action of the voice command can be recognized by the recognition module, generally speaking, a processor is disposed in the sound box, and the processor controls the recognition module to obtain a voice command for turning on the sound box, where the voice command may be issued by an external device or by the user 30. For example, the speaker is placed in a living room of a home, the user 30 intends to enjoy music during leisure, the user 30 may send a voice command including power-on to the speaker, and the processor receives the voice command by controlling the recognition module and recognizes the voice command.
A determining module 200, configured to determine, according to the voice command, a user location where the user 30 is located; generally speaking, the sound boxes include two sound boxes, one sound box opens the right sound channel, the other sound box opens the left sound channel, stereo sound is formed through the playing of the left and right sound channels, the two sound boxes can be connected through bluetooth, and can also be in other wireless connection modes, and the placing positions of the two sound boxes are also at any positions. In the process of receiving voice commands, the sound box determines which side of the sound box is located according to the voice sending direction of the user 30, and in addition, when the sound is transmitted in the air, the sound box has a certain speed, so that the distance between the user 30 and the two sound boxes can be calculated, and the user position can be further determined.
The determining module 200 is further configured to determine, according to the user position, that the sound box closer to the user 30 is a first sound box 10, and the sound box farther away is a second sound box 20; the distance between the user 30 and the two sound boxes is calculated according to the user position, the distance between the two sound boxes and the user 30 is obtained through comparison, and the sound box closer to the user 30 is defined as a first sound box 10, and the sound box farther away from the user 30 is defined as a second sound box 20.
A selecting module 300, configured to determine, according to the user position and the position of the first sound box 10, that the first sound box 10 is a left sound channel or a right sound channel, and that the second sound box 20 is a remaining sound channel. Specifically, with the first sound box 10 closer to the user 30 as a judgment reference, whether the first sound box 10 is located on the left-hand side or the right-hand side of the user 30 is analyzed according to the user position, and if the first sound box 10 is located on the left-hand side of the user 30, it is determined that the first sound box 10 is the left sound channel and the second sound box 20 is the right sound channel. If the first sound box 10 is located on the right hand side of the user 30, it is determined that the first sound box 10 is the right channel and the second sound box 20 is the left channel. Therefore, according to the position of the user, the first sound box 10 and the second sound box 20 complete the selection of the left channel and the right channel, and it is ensured that the user 30 can obtain a good stereo experience effect.
Besides, the second sound box 20 far from the user 30 may be used as a judgment reference, specifically, whether the second sound box 20 is located on the left hand side or the right hand side of the user 30 is analyzed according to the user position, and if the second sound box 20 is located on the left hand side of the user 30, it is determined that the second sound box 20 is a left sound channel and the first sound box 10 is a right sound channel. If the second sound box 20 is located on the right hand side of the user 30, it is determined that the second sound box 20 is the right channel and the first sound box 10 is the left channel.
Furthermore, the processor for controlling the speakers may be disposed in the first speaker 10 or the second speaker 20, or both the first speaker 10 and the second speaker 20 may be disposed with the processor.
In the technical scheme provided in this embodiment, a position where a user 30 is located, that is, a user position, is determined according to a voice command for turning on a sound box, and a distance from the sound box is determined according to the user position, where a sound box closer to the user 30 is a first sound box 10, and a sound box farther from the user 30 is a second sound box 20, and a relationship between the user position and the position where the first sound box 10 is located is analyzed, so as to obtain that the first sound box 10 is a left sound channel or a right sound channel, the second sound box 20 is a remaining sound channel, that is, the first sound box 10 is a left sound channel, and the second sound box 20 is a right sound channel, or the first sound box 10 is a right sound channel, and the second sound box 20 is a left sound channel.
Further, the selection module 300 is further configured to obtain a first included angle 10a formed by connecting the first connection line 12 and the connection line 11, and a second included angle 20a formed by connecting the second connection line 21 and the connection line 11, where the angle ranges of the first included angle 10a and the second included angle 20a are both between 0 ° and 180 °. Specifically, the first speaker 10, the second speaker 20 and the user position are connected to form a triangle, the first connection line 12 and the connection line 11 form a first angle 10a, and the second connection line 21 and the connection line 11 form a second angle 20 a.
The selection module 300 is further configured to determine that the first sound box 10 is a left sound channel or a right sound channel and the second sound box 20 is a remaining sound channel according to the first included angle 10a and the position relationship of the connection line. Specifically, with the first sound box 10 as a judgment reference, it is analyzed how the first included angle 10a formed by the first connection line 12 and the connection line 11 is formed by the connection line around the first sound box 10, so as to determine that the first sound box 10 is a left sound channel or a right sound channel, for example, the first included angle 10a is formed by the connection line around the first sound box 10 counterclockwise or clockwise, if the first included angle 10a is formed by the connection line around the first sound box 10 counterclockwise, it is determined that the first sound box 10 is a right sound channel, the second sound box 20 is a left sound channel, and if the second included angle 20a is formed by the connection line around the first sound box 10 clockwise, it is determined that the first sound box 10 is a left sound channel, and the second sound box 20 is a right sound channel.
The connection line 11 is a line connecting the position of the first sound box 10 and the position of the second sound box 20, the first connection line 12 is a line connecting the position of the user and the position of the first sound box 10, and the second connection line 21 is a line connecting the position of the user and the position of the second sound box 20. Overlooking the spatial positions of the first sound box 10 and the second sound box 20 to obtain an overlooking plane, connecting the position of the first sound box 10 and the position of the second sound box 20 to form a connecting line 11, dividing the overlooking plane into a first listening area 110 and a second listening area 120 by the connecting line 11, and obtaining whether the user 30 is located in the first listening area 110 or the second listening area 120 by a voice command sent by the user 30, so as to further analyze the position of the user.
Specifically, with the first sound box 10 as a judgment reference, it is analyzed how the connection line 11 surrounds the first sound box 10 to form a first included angle 10a formed by the first connection line 12 and the connection line 11, so as to determine that the first sound box 10 is a left sound channel or a right sound channel, for example, the first included angle 10a is formed by the connection line 11 counterclockwise around the first sound box 10 or clockwise, if the first included angle 10a is formed by the connection line 11 counterclockwise around the first sound box 10, it is determined that the first sound box 10 is a right sound channel, the second sound box 20 is a left sound channel, and if the second included angle is formed by the connection line 11 clockwise around the first sound box 10, it is determined that the first sound box 10 is a left sound channel, and the second sound box 20 is a right sound channel.
Further, the selection module 300 is further configured to form the first included angle 10a by the connection line rotating counterclockwise by the first sound box, so that the first sound box 10 is a right sound channel. Specifically, the first included angle 10a ranges from 0 ° to 180 °, and the first included angle 10a is formed by the connection line 11 rotating the first sound box 10 counterclockwise, which indicates that the user 30 is in the first listening area 110, and the first sound box 10 is located at the position of the right hand direction of the user 30, so that it is determined that the first sound box 10 is a right sound channel, and the second sound box 20 is a left sound channel.
The selection module 300 is further configured to form the first included angle 10a by the connection line 11 rotating clockwise around the first sound box 10, so that the first sound box 10 is a left sound channel. Specifically, the first included angle 10a ranges from 0 ° to 180 °, and the first included angle 10a is formed by the connection line 11 rotating clockwise around the first sound box 10, which indicates that the user 30 is located in the second listening area 120, and the first sound box 10 is located at the left-hand position of the user 30, so that it is determined that the first sound box 10 is a left sound channel, and the second sound box 20 is a right sound channel.
In addition, first contained angle 10a can also be 0 °, that is to say, this moment, user 30 is located connecting wire 11, and is located second audio amplifier 20 and deviates from first audio amplifier 10 one side, can set for this moment first audio amplifier 10 to be the left track, and second audio amplifier 20 is the right track, also can set for first audio amplifier 10 to be the right track, and second audio amplifier 20 is the left track.
Moreover, first contained angle 10a still can be 180, that is to say this moment, user 30 is located connecting wire 11, and is located first audio amplifier 10 and deviates from second audio amplifier 20 one side, can set for this moment first audio amplifier 10 to be the left track, and second audio amplifier 20 is the right track, also can set for first audio amplifier 10 to be the right track, and second audio amplifier 20 is the left track.
Further, the selecting module 300 further includes a comparing unit 310, and the comparing unit 310 is configured to determine whether the user 30 is within a preset range for listening to the sound according to the sizes of the first included angle 10a and the second included angle 20 a. Generally, the direction and the position suitable for the user 30 to listen to the sound are within a certain range, and outside this range, the quality of the sound listened to by the user 30 will be reduced, and the stereo effect cannot be effectively realized, and this range suitable for the user 30 to listen to the sound is the preset range. By determining whether the user 30 is within the preset range of listening to the sound, so as to further prompt the user 30 to move to the preset range, it is ensured that the stereo experience effect is obtained.
Further, the comparing unit 310 is further configured to determine whether the user 30 is within a preset range for listening to the sound according to the sizes of the first included angle 10a and the second included angle 20 a. Specifically, if the first included angle 10a and the second included angle 20a are both between 0 ° and 90 °, the user 30 is in a preset range of listening to sound; that is, the first included angle 10a and the second included angle 20a are both acute angles, so as to ensure that the user 30 obtains a better hearing experience.
If one of the first angle 10a or the second angle 20a is greater than 90 °, the user 30 is not within the predetermined range for listening to sound. That is, one of the first included angle 10a and the second included angle 20a is an obtuse angle, and at this time, it is determined that the user 30 is not within the preset range for listening to the sound. Thus, by determining the angle values of the first included angle 10a and the second included angle 20a, it can be determined whether the user 30 is within the preset range.
Further, the selecting module 300 further includes a prompting unit 320, where the prompting unit 320 is configured to prompt to move to a preset range for receiving the sound. Specifically, the processor may prompt the user 30 to move to a preset range in the form of outputting voice when one of the first included angle 10a and the second included angle 20a is calculated to be greater than 90 °, for example, prompt the user 30 to move to the left or to the right by a certain distance.
Further, the selection device of the sound channel of the sound box further includes an adjusting module 400, wherein the adjusting module 400 is used for obtaining the distance between the first sound box 10 and the second sound box 20, comparing the distance with a preset distance, and adjusting the distance between the first sound box 10 and the second sound box 20. Specifically, with the first sound box 10 as a determination reference, the second sound box 20 sends out a voice to the first sound box 10, the first sound box 10 receives the voice sent out by the second sound box 20, and the distance between the first sound box 10 and the second sound box 20, that is, the distance between the first sound box 10 and the second sound box 20 is calculated according to the propagation speed of the voice in the air and the time from the second sound box 20 to the first sound box 10. Usually, the distance between the first speaker 10 and the second speaker 20 is too large, and the sound emitted from the first speaker 10 and the second speaker 20 is difficult to fuse to form stereo sound, and for this reason, the preset distance is set, and whether the distance is within the preset distance by comparing the distance between the first speaker 10 and the second speaker 20 is not within the preset distance, and if the distance is not within the preset distance, the user is prompted to adjust the distance between the first speaker 10 and the second speaker 20, so that the distance between the first speaker 10 and the second speaker 20 is within the preset distance, and the sound emitted from the first speaker 10 and the second speaker 20 is fused to form stereo sound. In addition, an infrared transmitter may be disposed on the second sound box 20, the first sound box 10 is disposed with an infrared receiver, and the second sound box 20 transmits infrared light to the first sound box 10, so as to measure the distance between the first sound box 10 and the second sound box 20.
Further, the adjusting module 400 is further configured to calculate, according to the voice command, that the distances between the user 30 and the speaker are the first distance and the second distance, respectively; comparing the first distance with the second distance, it is determined that the loudspeaker closer to the user 30 is the first loudspeaker 10, and the loudspeaker farther away is the second loudspeaker 20.
Specifically, the distance between the user 30 and the two speakers is calculated by the propagation speed of sound in the air and the time for the voice command to propagate to the first speaker 10 and the second speaker 20, and the distance between the user 30 and the first speaker 10 is a first distance, and the distance between the user 30 and the second speaker 20 is a second distance. Further, in order to determine that the user is located at the first sound box 10 and the second sound box 20 is located at the specific position of the first sound box 10, the first sound box 10 and the second sound box 20 are both provided with two sound pickup microphones, for example, the user sends a voice command to the first sound box 10, and the approximate position of the user can be calculated by the time difference of sound received by the two microphones. For example, the first speaker 10 is provided with two microphones, one of the microphones receives the user's voice first, and the other microphone receives the user's voice later, so that the user approaches the microphone that receives the user's voice first, and the user's position is calculated according to the time difference between the two microphones receiving the user's voice. Further, it can be seen that the greater the number of microphone settings, the more accurate the determination of the user's location.
In addition, the standard distance from the user 30 to the first sound box 10 may be set as a first standard distance, the standard distance from the user 30 to the second sound box 20 may be set as a second standard distance, and the user position may obtain a better stereo experience within the first standard distance and the second standard distance, that is, the first distance is within the first standard distance range, and the second distance is within the second standard distance range. The first standard distance and the second standard distance of the sound boxes with different models are different.
The present invention also provides a sound box, the sound box comprising: the sound box sound channel selection program comprises a memory, a processor and a sound box sound channel selection program which is stored on the memory and can be operated on the processor; the sound channel selection program, when executed by the processor, implements the steps of the sound channel selection method as described above.
The specific embodiment of the sound box of the present invention may refer to each embodiment of the sound channel selection method for the sound box, and will not be described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A method for selecting sound channels of sound boxes is applied to a sound box combination, the sound box combination comprises at least two sound boxes, and the method comprises the following steps:
acquiring a voice command for starting the sound box;
determining the user position of the user according to the voice command;
determining that the sound box closer to the user is a first sound box and the sound box farther from the user is a second sound box according to the position of the user;
determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position of the user and the position of the first sound box;
wherein, the step of determining that the first sound box is a left sound channel or a right sound channel according to the user position and the position of the first sound box, and the step of determining that the second sound box is a residual sound channel comprises:
obtaining a first included angle formed by a first connection line and a second included angle formed by a second connection line and the connection line, wherein the angle ranges of the first included angle and the second included angle are both 0-180 degrees;
determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position relation of the first included angle and the connecting line; wherein the content of the first and second substances,
the connecting line is a line formed by connecting the position of the first sound box and the position of the second sound box, the first connecting line is a line formed by connecting the position of the user and the position of the first sound box, and the second connecting line is a line formed by connecting the position of the user and the position of the second sound box.
2. The method for selecting a channel of a loudspeaker box according to claim 1, wherein said step of determining whether said first loudspeaker box is a left channel or a right channel based on said first angle and said connection line position relationship, and said step of determining whether said second loudspeaker box is a remaining channel comprises:
the first included angle is formed by the connecting line rotating anticlockwise by the first sound box, and then the first sound box is a right sound channel;
the first included angle is formed by clockwise rotation of the connecting line by the first sound box, and then the first sound box is a left sound channel.
3. The method of claim 1, wherein the step of determining whether the first speaker is a left channel or a right channel and the second speaker is a remaining channel based on the user location and the location of the first speaker comprises the steps of:
and determining whether the user is in a preset range for answering the sound or not according to the first included angle and the second included angle.
4. The method for selecting a channel of a loudspeaker box according to claim 3, wherein the step of determining whether the user is within a preset range for listening to sound according to the first angle and the second angle comprises:
if the first included angle and the second included angle are both between 0 degrees and 90 degrees, the user is in a preset range of answering sound;
and if one of the first included angle and the second included angle is larger than 90 degrees, the user is not in a preset range for listening to the sound.
5. The method of claim 4, wherein if one of the first angle or the second angle is greater than 90 °, the step of the user not being in a predetermined range for listening to sound comprises:
the prompt is used to move to within a preset range of listening to the sound.
6. The method of any of claims 1-5, wherein the step of determining whether the first speaker is a left channel or a right channel and the second speaker is a remaining channel based on the user location and the location of the first speaker comprises:
and acquiring the distance between the first sound box and the second sound box, and comparing the distance with a preset distance to adjust the distance between the first sound box and the second sound box.
7. The method of claim 6, wherein said step of determining that the speaker closer to the user is the first speaker and the speaker farther from the user is the second speaker based on the user position comprises:
calculating to obtain the distances between the user and the sound box as a first distance and a second distance respectively according to the voice command;
and comparing the first distance with the second distance to determine that the loudspeaker box closer to the user is the first loudspeaker box and the loudspeaker box farther away is the second loudspeaker box.
8. A sound channel selection device for a sound box, which is applied to a sound box combination, wherein the sound box combination comprises at least two sound boxes, and the device comprises:
the starting module is used for acquiring a voice command for starting the sound box;
the determining module is used for determining the user position of the user according to the voice command;
the determining module is further configured to determine, according to the user position, that the sound box closer to the user is a first sound box, and the sound box farther away is a second sound box;
the selection module is used for determining that the first sound box is a left sound channel or a right sound channel and the second sound box is a residual sound channel according to the position of the user and the position of the first sound box;
wherein, the step that the selection module determines that the first sound box is a left sound channel or a right sound channel according to the user position and the position of the first sound box, and the step that the second sound box is a residual sound channel comprises:
the selection module is further used for acquiring a first included angle formed by the first connecting wire and the connecting wire and a second included angle formed by the second connecting wire and the connecting wire, and the angle ranges of the first included angle and the second included angle are 0-180 degrees;
the selection module is further configured to determine that the first sound box is a left sound channel or a right sound channel and the second sound box is a remaining sound channel according to the first included angle and the position relationship of the connection line;
the connection line is a line formed by connecting the position of the first sound box and the position of the second sound box, the first connection line is a line formed by connecting the position of the user and the position of the first sound box, and the second connection line is a line formed by connecting the position of the user and the position of the second sound box.
9. An audio amplifier combination, wherein the audio amplifier combination includes at least two audio amplifiers, each the audio amplifier includes: the sound box sound channel selection program comprises a memory, a processor and a sound box sound channel selection program which is stored on the memory and can be operated on the processor; the selection program of loudspeaker channels, when executed by the processor, implements the steps of the method of selecting loudspeaker channels according to any one of claims 1 to 7.
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| CN201911200447.2A CN110996217B (en) | 2019-11-28 | 2019-11-28 | Sound channel selection method and device for sound box and sound box |
| PCT/CN2019/129522 WO2021103259A1 (en) | 2019-11-28 | 2019-12-28 | Speaker sound channel selection method and device and speaker |
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| CN113747092A (en) * | 2020-05-29 | 2021-12-03 | 深圳Tcl数字技术有限公司 | Sound channel playing method, system and storage medium |
| CN114257924A (en) * | 2020-09-24 | 2022-03-29 | 华为技术有限公司 | Method for distributing sound channels and related equipment |
| CN112911496A (en) * | 2021-03-26 | 2021-06-04 | 潍坊歌尔电子有限公司 | Pairing method of sounding components, audio system and readable storage medium |
| CN115696171A (en) * | 2021-07-29 | 2023-02-03 | 华为技术有限公司 | Sound channel configuration method, electronic equipment and system |
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| CN104967953B (en) * | 2015-06-23 | 2018-10-09 | Tcl集团股份有限公司 | A kind of multichannel playback method and system |
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| CN106154860B (en) * | 2016-08-26 | 2019-07-02 | 深圳市新国都支付技术有限公司 | A kind of intelligent switch and the smart home system using the intelligent switch |
| CN108551610A (en) * | 2018-05-11 | 2018-09-18 | 四川斐讯信息技术有限公司 | A kind of intelligent sound box and its audio effect generating method |
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| JP2008072541A (en) * | 2006-09-15 | 2008-03-27 | D & M Holdings Inc | Audio device |
| CN104469624A (en) * | 2014-12-16 | 2015-03-25 | 广东欧珀移动通信有限公司 | Sound track switching method, sound track switching system and electronic equipment of headset and headset |
| CN107736037A (en) * | 2017-08-30 | 2018-02-23 | 万魔声学科技有限公司 | Sound playing method, equipment and readable storage medium storing program for executing |
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