CN113423041B - Wireless loudspeaker assembly, intelligent equipment and intelligent system thereof - Google Patents
Wireless loudspeaker assembly, intelligent equipment and intelligent system thereof Download PDFInfo
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- CN113423041B CN113423041B CN202110678164.XA CN202110678164A CN113423041B CN 113423041 B CN113423041 B CN 113423041B CN 202110678164 A CN202110678164 A CN 202110678164A CN 113423041 B CN113423041 B CN 113423041B
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
Abstract
The disclosure relates to a wireless loudspeaker assembly, intelligent equipment and an intelligent system thereof. The wireless speaker assembly comprises a set of wireless speakers, each wireless speaker comprising a first positioning module, a first wireless communication module, and a first processor, wherein the first positioning module is configured to determine a positioning status of each wireless speaker in a set of physical areas; the first wireless communication module is configured to receive a switching instruction from the intelligent device; the first processor is configured to execute the switching control according to the switching instruction from the intelligent device, so that the subset of the wireless speakers in the same physical area as the intelligent device is used for playing the audio signals, and the user experience is improved.
Description
Technical Field
The present disclosure relates to a wireless speaker assembly, and more particularly, to a wireless speaker assembly, an intelligent device and an intelligent system thereof.
Background
With the social progress and the improvement of the living standard of people, intelligent equipment becomes an indispensable living article for people. The intelligent device comprises wearable devices, the wearable devices mostly exist in the form of portable accessories which have partial computing functions and can be connected with a mobile phone and various terminals, the mainstream product forms comprise watch types (including products such as a watch and a wrist strap) which are supported by wrists, shoes types (including shoes, socks or other future leg wearing products) which are supported by feet, glass types (including glasses, helmets, headbands and the like) which are supported by heads, and various non-mainstream product forms such as intelligent clothes, schoolbag, crutch, accessories and the like. The intelligent device can also be a mobile phone, a PAD, a notebook computer and the like.
With the pursuit of people for life, audio equipment such as a real wireless earphone, a wireless sound box and the like enters a common family. Meanwhile, the intelligent device and the audio devices get rid of the constraint of wires, and the plurality of audio devices can also get out of the constraint of wires, so that real wireless connection is realized. However, in the prior art, it is not easy for the smart device to control which wireless speaker plays the audio signal, and it is also not easy to switch the playing speaker.
Disclosure of Invention
The present disclosure is provided to solve the above-mentioned problems occurring in the prior art.
There is a need for a wireless speaker assembly, an intelligent device and an intelligent system thereof, which are configured to switch to a subset of wireless speakers located in the same physical area as the intelligent device for playing audio signals based on acquired distance-related information between each wireless speaker and the intelligent device, thereby improving user experience.
According to a first aspect of the present disclosure, there is provided a wireless speaker assembly comprising a set of wireless speakers, each wireless speaker comprising a first positioning module, a first wireless communication module, and a first processor, wherein the first positioning module is configured to determine a positioning status of each wireless speaker in a set of physical areas; the first wireless communication module is configured to receive a handover instruction from the smart device; the first processor is configured to: performing a switching control in accordance with a switching instruction from a smart device such that a subset of wireless speakers that are within a same physical area as the smart device are used to play audio signals.
According to a second aspect of the present disclosure, there is provided a smart device comprising a third location module configured to determine a location condition of the smart device in a set of physical areas; a second wireless communication module configured to perform wireless communication with respective wireless speakers of a set of wireless speakers; a second processor configured to: based on the positioning conditions of the smart device and the wireless speakers in the set of physical areas, performing switching control such that a subset of the wireless speakers within the same physical area as the smart device are used to play audio signals.
According to a third aspect of the present disclosure, there is provided a smart system, the smart device comprising a wearable device, the physical area being a space at least partially separated by a physical boundary.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.
Fig. 1 shows a schematic structural diagram of a wireless speaker according to an embodiment of the present disclosure.
Fig. 2 shows a schematic structural diagram of a smart device according to an embodiment of the disclosure.
Fig. 3 shows a schematic diagram of a smart device controlling wireless speaker switching according to an embodiment of the present disclosure.
Fig. 4 shows a schematic flowchart of acquiring an audio signal from a WIFI AP by a wireless speaker according to an embodiment of the present disclosure.
Fig. 5 shows a schematic flow diagram of a wireless speaker acquiring an audio signal from a smart device according to an embodiment of the present disclosure.
Fig. 6 shows a schematic diagram of a wireless speaker acquiring an audio signal from a smart device according to an embodiment of the disclosure.
Fig. 7 shows a schematic structural diagram of a smart device according to an embodiment of the present disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings. Embodiments of the present disclosure are described in further detail below with reference to the figures and the detailed description, but the present disclosure is not limited thereto. The order in which the various steps described herein are described as examples should not be construed as a limitation if there is no requirement for a context relationship between each other, and one skilled in the art would know that sequential adjustments may be made without destroying the logical relationship between each other, rendering the overall process impractical.
Fig. 1 shows a schematic structural diagram of a wireless speaker according to an embodiment of the present disclosure. In some embodiments, the wireless speaker assembly includes a set of wireless speakers, each including a first positioning module 111, a first wireless communication module 112, and a first processor 113, as shown in fig. 1.
The first positioning module 111 is configured to determine positioning conditions of the respective wireless speakers in a set of physical areas. The first positioning module 111 may employ various implementations. In some embodiments, after the first positioning module 111 determines the positions of the wireless speakers, the positioning status of the wireless speakers in each room can be determined by comparing the positions with the pre-stored position maps of each room. In some embodiments, the first positioning module 111 may be connected to a management APP interface of the smart home or the smart speaker, and update and determine a positioning map of a wireless speaker included in each smart home or the smart speaker in each room in the management APP, so as to obtain a positioning status and the like. Or the rooms to which the wireless speakers belong are set or configured on the management APP, that is, the first positioning module 111 is set or configured by the user through the management APP to set or configure the positioning conditions. In some cases, the management APP may be on a smart device (not shown in fig. 1). A plurality of beacons whose positions are known may also be disposed on the walls of the room, and the first positioning module 111 may wirelessly communicate with the beacons to determine the positions of the wireless speakers relative to the plurality of beacons, so as to calculate the positioning status of each wireless speaker in each room, and so on. When the first positioning module 111 performs wireless communication with the beacon, the positioning can be realized by any one of the methods of UWB, bluetooth, WIFI, zigbee, ultrasonic wave, radio frequency identification, positioning, and the like.
In some embodiments, the first positioning module 111 in the present disclosure may be implemented as hardware, may be implemented as software, or may be implemented as a combination of hardware and software. When implemented at least in part in software, the first positioning module 111 may be a general-purpose processor such as a Micro Processing Unit (MPU), an SOC (system on chip), a DSP (digital signal processor), or a dedicated processor dedicated to a specific process, and may be one or more programmable circuits, one or more dedicated circuits, or a combination thereof, but is not limited thereto. The programmable circuit is, for example, a Field Programmable Gate Array (FPGA), but is not limited thereto. The dedicated circuit is, for example, an Application Specific Integrated Circuit (ASIC), but is not limited thereto.
In some embodiments, the first processor 113 may include a general-purpose processor or a special-purpose processor dedicated to a particular process, one or more programmable circuits, one or more dedicated circuits, or a combination thereof. For example, the first processor 113 may be any one or a combination of a Micro Processing Unit (MPU), an SOC (system on chip), a DSP (digital processing). The programmable circuit is, for example, a Field Programmable Gate Array (FPGA), but is not limited thereto. The dedicated circuit is, for example, an Application Specific Integrated Circuit (ASIC), but is not limited thereto.
The first wireless communication module 112 is configured to receive a handover instruction from the smart device; the first processor 113 is configured to perform switching control according to a switching instruction from the smart device such that a subset of wireless speakers that are within the same physical area as the smart device are used to play audio signals.
In some embodiments, the physical area is a space at least partially separated by a physical boundary. In the present embodiment, a room is explained as an example of a physical area, but it should be understood that the present disclosure is not limited thereto. Due to the occlusion of a physical boundary such as a wall, the playing effect of the audio signal of the wireless speaker may be affected, and a user usually uses a room as an independent activity space, such as may listen to music in a study room, watch a home theater in a living room, and so on, in the case that the user carries a smart device (such as a mobile phone, an IPAD, and so on) to move among a plurality of rooms, the group of wireless speakers distributed in each room may receive the switching control of the smart device, and automatically switch to the wireless speaker in the room where the user is or intends to move independently, so that the playing effect of the audio of the wireless speaker more meets the user's requirement and is not obstructed by the user's activity. For example, during the process that the user passes through a plurality of rooms, the user can automatically switch to relay playing of the audio signal with the wireless loudspeaker in the same room, so that the user can enjoy smooth audio playing.
In some embodiments, as shown in fig. 1, each wireless speaker further comprises a second location module 114, the second location module 114 configured to interact with a fourth location module in the smart device to obtain distance-related information between each wireless speaker and the smart device; the first processor 113 is further configured to perform a switching control according to a switching instruction from the smart device, such that at least one wireless speaker in close proximity to the smart device is used to play the audio signal for a subset of wireless speakers that are within the same physical area as the smart device. Under the condition that wireless speakers are arranged in the same room in a saturated mode, the wireless speakers close to each other are selected to play audio signals, and therefore better playing effect is achieved. Or selecting several wireless loudspeakers with the relative position arrangement relation meeting the special configuration of multi-channel to cooperate with playing. When the user needs to play the audio signal through a single wireless speaker in the same room as the smart device, the user may switch to the wireless speaker closest to the smart device to play the audio signal based on the information about the distance between the smart device and the second positioning module 114. When a user needs to experience a stereo surround sound effect similar to a home theater, the user can switch to at least one wireless speaker in the same room as the smart device to play an audio signal based on the information about the distance between the second positioning module 114 and the smart device, which is acquired, so that the user experience can be improved.
In some embodiments, the second positioning module 114 may be implemented by any one of UWB, bluetooth, WIFI, zigbee, ultrasonic, radio frequency identification, and the like. In other embodiments, the second positioning module 114 and the first positioning module 111 may be the same module.
In some embodiments, the second location module 114 not only measures distance related information with the smart device, but also receives the strength of the wireless signal from the smart device. When the wireless speaker 101n (not shown in fig. 1) is closest to the smart device 100, but the strength of the wireless signal received from the smart device 100 is less than the first predetermined value, the wireless speaker 101n and the smart device 100 may not be in the same room due to the wall obstruction. Thus, although the wireless speaker 101n is closest to the smart device 100, the wireless speaker playing the audio signal is not switched to the wireless speaker 101n. In some embodiments, the smart device includes a wearable device, a cell phone, a laptop, etc., wherein the wearable device may be a smart watch or a bracelet, etc.
In some embodiments, the first processor 113 is further configured to control the wireless speaker to exit the play state based on the first switching instruction if the received switching instruction is the first switching instruction; and controlling the wireless loudspeaker to enter a playing state based on the second switching instruction in the case that the received switching instruction is the second switching instruction.
In some embodiments, the first processor 113 is further configured to control the first wireless communication module 112 to transmit the playing parameters to the wireless speaker to be switched to or control the first wireless communication module 112 to transmit the playing parameters to the smart device in case the received switching instruction is the first switching instruction and the wireless speaker is the wireless speaker that is playing the audio signal. In some embodiments, the playing parameters include a source of the played audio signal, a progress of the played audio signal, and a volume of the played audio signal, and the source of the played audio signal includes a WIFI AP or a smart device.
In some embodiments, the first processor 113 is further configured to: and in the case that the wireless loudspeaker is the wireless loudspeaker to be switched to, processing the audio signal based on the received playing parameter, wherein the wireless loudspeaker to be switched to can acquire the audio signal according to the playing parameter and play the audio signal.
In some embodiments, the first processor 113 is further configured to control the first wireless communication module 112 to receive the content after the first predetermined time period of the progress of the audio signal if the received switching instruction is the second switching instruction and the wireless speaker is the wireless speaker to be switched to.
In some embodiments, the first processor 113 is further configured to control the wireless speaker to fade out for playback based on the first switching instruction or fade in for playback based on the second switching instruction.
In some embodiments, as shown in fig. 2, the smart device 100 includes a third location module 1001 configured to determine a location condition of the smart device 100 in a set of physical areas; a second wireless communication module 1003 configured to perform wireless communication with each wireless speaker of the set of wireless speakers; a second processor 1002 configured to perform switching control such that a subset of wireless speakers in the same physical area as the smart device 100 is used for playing audio signals based on the positioning conditions of the smart device 100 and the respective wireless speakers in a set of physical areas. In some embodiments, after the third location module 1001 determines the location of the smart device, the location of the smart device in each room can be determined by comparing the location with the pre-stored location maps of each room. In some embodiments, a plurality of beacons whose positions are known may also be disposed at the walls of the rooms, and the third location module 1001 may wirelessly communicate with the beacons to determine the locations of the smart devices relative to the plurality of beacons, thereby solving the location conditions of the smart devices in the respective rooms. In some embodiments, the third positioning module 1001 may be implemented by any one of UWB, bluetooth, WIFI, zigbee, ultrasonic, rfid, and the like.
In some embodiments, as shown in fig. 2, the smart device 100 further includes a fourth positioning module 1004 configured to interact with the second positioning module 114 of the respective wireless speakers to obtain information about distances between the respective wireless speakers; the second processor 1002 is further configured to perform switching control such that at least one wireless speaker in close proximity to the smart device 100 among a subset of wireless speakers in the same physical area as the smart device 100 is used to play an audio signal. In some embodiments, the smart device 100 comprises a wearable device, the physical area is a space at least partially separated by a physical boundary, which in this embodiment may be a room. When the user needs to play the audio signal through a single wireless loudspeaker in the same room with the intelligent device, the user can switch to the wireless loudspeaker closest to the intelligent device to play the audio signal based on the acquired information related to the distance between the user and the intelligent device. When a user needs to experience the stereo surround sound effect similar to a home theater, the user can switch to at least one wireless loudspeaker which is located in the same room with the intelligent device and is close to the intelligent device to play the audio signal based on the acquired information related to the distance between the user and the intelligent device, and the experience of the user is improved. The fourth positioning module 1004 may be implemented by any one of UWB, bluetooth, WIFI, zigbee, ultrasonic, rfid, and the like. In some embodiments, the fourth positioning module 1004 and the third positioning module 1001 may be the same module.
In some embodiments, the fourth positioning module 1004 comprises a UWB positioning module. In some embodiments, the positions of the wireless speakers in the set of wireless speakers are known, and the UWB locating module in the smart device 100 and the UWB module or UWB beacon of each wireless speaker can be used to locate the smart device 100, so as to obtain the information about the distance between the smart device 100 and each wireless speaker. In some embodiments, the wireless speaker is an audio device with a wireless function, and includes a UWB positioning module, and at this time, the UWB positioning module of the smart device 100 and the UWB positioning module of the wireless speaker may be used to cooperate with each other to obtain information about the distance between the smart device 100 and each wireless speaker.
In some embodiments, the fourth positioning module 1004 is further configured to determine distance-related information between the smart device 100 and the respective wireless speakers based on the strength of the wireless signals received by the smart device 100 from the respective wireless speakers. The strength of the wireless signal here may be the strength of the signal of the wireless communication connection, and may also be the strength of the wireless signal of the fourth positioning module 1004. The plurality of wireless speakers may be distributed over different locations, often over a distance of, say, a few meters, and possibly even over different rooms. In one embodiment, when the user touches the smart device 100 to a certain wireless speaker, or the user brings the smart device 100 close to a certain wireless speaker, for example, the distance between the two is less than 10cm, 20cm, or the like, when the intensity of the wireless signal received by the smart device 100 from each wireless speaker exceeds a first threshold (the first threshold may be obtained in advance based on experiments), which indicates that the smart device 100 is very close to the wireless speaker, the smart device 100 switches the on-air wireless speaker to the wireless speaker closest to the on-air wireless speaker, which provides a convenient on-air wireless speaker switching manner for the user, so that the on-air wireless speaker switching is faster. In some embodiments, the smart device 100 not only measures distance-related information from the wireless speakers via the UWB location module, but also receives the strength of the wireless signal from the wireless speakers. When the wireless speaker 101n is closest to the smart device 100, but the intensity of the wireless signal received by the smart device 100 from the wireless speaker 101n is smaller than a first predetermined value, or smaller than the intensity of the wireless signal received from another wireless speaker (the intensity of the wireless signal received from another wireless speaker exceeds a second predetermined value), the wireless speaker 101n and the smart device 100 may not be in the same room due to the wall. Thus, although the wireless speaker 101n is closest to the smart device 100, the wireless speaker playing the audio signal is not switched to the wireless speaker 101n.
In some embodiments, the fourth positioning module 1004 is further configured to determine distance-related information between the smart device 100 and the respective wireless speakers based on a distance between the smart device 100 and the at least one wireless beacon. By wireless beacon is meant a device or apparatus whose location is known a priori and which can be used to locate other wireless devices. In some embodiments, the wireless beacon may also be a wireless speaker.
In some embodiments, the second wireless communication module 1003 employs any one of bluetooth, bluetooth low energy, BLE mesh and UWB communication modes to perform wireless communication with each wireless speaker, for example, to transmit various switching instructions and/or parameters and the like from the second processor 1002 to the corresponding wireless speaker to control switching of the wireless speaker for playing audio signals.
In some embodiments, as shown in fig. 3, the second processor 1002 is further configured to determine the closest wireless speaker to the smart device 100; determining whether the wireless speaker 101b playing the audio signal is the closest wireless speaker to the smart device 100; in the case where the wireless speaker 101b that is playing the audio signal is not the wireless speaker closest to the smart device 100, determining the wireless speaker closest to the smart device 100 as the wireless speaker 101a to be switched to; the first switching instruction is sent to the wireless speaker 101b which is playing the audio signal so as to transmit the playing parameter to the wireless speaker 101a to be switched to, or the playing parameter is received from the wireless speaker 101b which is playing the audio signal to be forwarded to the wireless speaker 101a to be switched to. The second processor 1002 is further configured to send a second switching instruction to the wireless speaker 101a to be switched to cause the wireless speaker 101a to be switched to process the audio signal based on the received playback parameter. In some embodiments, the playback parameters include the source of the audio signal being played, the progress of playing the audio signal, and the volume at which the audio signal is played. The progress of playing the audio signal includes a time offset of the progress of currently playing the audio signal relative to an initial time of the progress (for example, how long a song is played), and the sources of the played audio signal include the WIFI AP and the smart device 100. In some embodiments, when the played audio signal is from the WIFI AP, the information related to the WIFI AP may include at least one of an address of the WIFI AP, an address of a server where the audio signal is located, and a file where the audio signal is located. In some embodiments, when the played audio signal comes from the smart device 100, the information related to the smart device 100 may include at least one of a WIFI address of the smart device 100, a directory name of the audio signal, and a file name of the audio signal. The following embodiments will be described in detail by taking an example in which the wireless speaker 101a to be switched acquires audio signals from the WIFI AP and the smart device 100, respectively.
In some embodiments, the first switching instruction also indicates that the wireless speaker 101b playing the audio signal is ready to exit the play state, and the second switching instruction also indicates that the wireless speaker 101a to switch to is ready to enter the play state.
In some embodiments, the wireless speaker may be connected to the WIFI AP through the WIFI module, and then obtain an audio signal from the WIFI AP, where the audio signal may be audio, broadcast, and the like. Fig. 4 shows a schematic flowchart of acquiring an audio signal from a WIFI AP by a wireless speaker according to an embodiment of the present disclosure. As shown in fig. 4, the wireless speaker 101a to be switched to acquire an audio signal from the WIFI AP starts in step S301, and the wireless speaker 101b playing the audio signal receives a first switching instruction indicating that the wireless speaker 101b playing the audio signal is ready to exit the playing state. In some cases, the first switching instruction may come from the smart device 100, the wireless speaker 101b playing the audio signal that receives the first switching instruction transmits the playing parameters to the wireless speaker 101a to be switched to, or the wireless speaker 101b playing the audio signal that receives the first switching instruction transmits the playing parameters to the smart device 100, and the smart device 100 forwards the playing parameters received from the wireless speaker 101b playing the audio signal to the wireless speaker 101a to be switched to.
In step S302, the wireless speaker 101a to be switched to receives a second switching instruction indicating that the wireless speaker 101a to be switched to is ready to enter the play state. In some embodiments, the second switching instruction may come from the smart device 100, at which time the smart device 100 forwards the playing parameters received from the wireless speaker 101b playing the audio signal to the wireless speaker 101a to be switched to by any one of bluetooth, bluetooth low energy, BLE mesh or UWB. In other embodiments, the second switching instruction may also come from the wireless speaker 101b playing the audio signal, at this time, the wireless speaker 101b playing the audio signal is connected to the wireless speaker 101a to be switched through BLE mesh, and the wireless speaker 101b playing the audio signal sends the playing parameter to the wireless speaker 101a to be switched through BLE mesh, where the playing parameter may be at least one of a source of the audio signal to be played, a progress of playing the audio signal, and a volume of playing the audio signal. The transmission of playing parameters such as the progress of playing the audio signal enables the wireless loudspeaker 101a to be switched to only receive the required audio signal, thereby effectively avoiding the wireless loudspeaker from receiving some audio signals which are not to be played, and being beneficial to improving the experience of users. In this step S302, the timing at which the wireless speaker 101a to be switched receives the second switching instruction may be the same timing as or close to the timing at which the wireless speaker 101b that is playing the audio signal receives the first switching instruction.
In some embodiments, the second switching instruction is from the smart device 100 or the wireless speaker 101b playing the audio signal, the second switching instruction further indicating content after a first predetermined period of time of progress of the wireless speaker 101a to switch to receiving the audio signal. In some embodiments, the second switching instruction may be implemented by one radio frame, or may be implemented by a plurality of radio frames based on a plurality of communications.
In step S303, the wireless speaker 101a to be switched receives the content after the first predetermined period of time of the progress of the audio signal from the WIFI AP. At this time, the wireless speaker 101a to be switched receives the audio signal to be played after the first predetermined time period (the first predetermined time period may be within several tens or hundreds of milliseconds) of the currently played content from the WIFI AP according to the playing parameters. In order to make the audio playing continuously and reliably without pause, the wireless speaker 101a to be switched to may receive the audio signal for a period of time first and temporarily store the audio signal in the memory to start playing, so that when the audio signal is temporarily interrupted due to the instantaneous deterioration of the channel, the audio signal may be read from the memory to play, so that the audio signal is played without pause, which is beneficial to improving the user experience. Therefore, the content after the first predetermined time period of the schedule for the wireless speaker 101a to be switched to receive the audio signal from the WIFI AP avoids receiving an audio signal that is not used, so that the switching is faster and the wireless channel is not wasted.
In step S304, the wireless speaker 101a to be switched to performs the play state after receiving the audio content for the second predetermined period of time. In some embodiments, the second switching instruction is from the smart device 100, and may also be from the wireless speaker 101b playing the audio signal, and the second switching instruction further instructs the wireless speaker 101a to be switched to execute the playing state after receiving the audio content for the second predetermined time period. When the audio signal received by the wireless speaker 101a to be switched to exceeds a second predetermined period of time (the second predetermined period of time may be within several tens or several hundreds of milliseconds), the wireless speaker 101b that is playing the audio signal and the wireless speaker 101a to be switched to perform playback switching.
In some embodiments, the first switching instruction also indicates the wireless speaker 101b that is playing the audio signal to fade out to play, and the second switching instruction also indicates the wireless speaker 101a to switch to fade in to play. The fade-in playback and the fade-out playback make switching of audio signal playback more natural, and make the time synchronization accuracy of the wireless speaker 101b playing the audio signal and the wireless speaker 101a to be switched to be reduced, improving the user experience.
In some embodiments, each wireless speaker may communicate with the smart device 100 through any one of bluetooth, bluetooth low energy, LE audio, WIFI, and UWB, and the wireless speaker to be switched is determined according to a distance or a mutual position relationship between the smart device 100 and each wireless speaker, so that the wireless speaker to be switched receives an audio signal from the smart device 100 and plays the audio signal. Fig. 5 shows a schematic flow diagram of a wireless speaker acquiring an audio signal from a smart device according to an embodiment of the present disclosure. As shown in fig. 5, the wireless speaker acquiring the audio signal from the smart device 100 starts in step S401, and the wireless speaker 101b playing the audio signal receives a first switching instruction indicating that the wireless speaker 101b playing the audio signal is ready to exit the playing state. In some cases, the first switching instruction may come from the smart device 100.
In step S402, the wireless speaker 101a to be switched to receives a second switching instruction indicating that the wireless speaker 101a to be switched to is ready to enter the playback state. In some embodiments, the second switching instruction may come from the smart device 100 and also from the wireless speaker 101b playing the audio signal, so that the wireless speaker 101a to be switched acquires the audio signal from the smart device 100 and plays the audio signal based on the received playing parameter, where the playing parameter may be at least one of a source of the played audio signal, a progress of playing the audio signal, and a volume of playing the audio signal. The transmission of playing parameters such as the progress of playing the audio signal enables the wireless loudspeaker 101a to be switched to only receive the required audio signal, thereby effectively avoiding the wireless loudspeaker from receiving some audio signals which are not to be played, and being beneficial to improving the experience of the user.
In step S403, the wireless speaker 101a to be switched receives the content after the first predetermined period of time of the progress of the audio signal from the smart device 100. In some embodiments, the wireless speaker 101a to be switched to needs to receive the audio content after the first predetermined time period exceeding the progress of the audio signal and temporarily store the audio content in the memory, so as to start the switching of the playing, which can ensure that the audio signal can be read from the memory to be played when the audio signal is temporarily interrupted due to the transient deterioration of the channel, so that the playing of the audio signal is not jammed, which is beneficial to improving the user experience. Meanwhile, the transmission of the playing parameters can avoid receiving unused audio signals, so that the switching is quicker, and meanwhile, the wireless channel is not wasted.
In step S404, the wireless speaker 101a to be switched to performs the play state after receiving the audio content for the second predetermined period of time.
The smart device 100 may enable information interaction with the wireless speaker 101b playing the audio signal and the wireless speaker 101a to be switched to via various wireless communication means. For example, the smart device 100 may transmit the switching instruction and/or the related data to the related wireless speakers respectively in a time-sharing manner.
In some embodiments, the smart device 100 may enable synchronized interaction with certain information (e.g., switching instructions) with the wireless speaker 101b playing the audio signal and the wireless speaker 101a to be switched to, as desired, via a bluetooth mode, a WIFI mode, or the like. In the bluetooth mode, the smart device 100 may establish a bluetooth link with one wireless speaker (e.g., but not limited to the wireless speaker 101 b), and the wireless speaker transmits relevant communication parameters of the bluetooth link to the other wireless speaker (e.g., but not limited to the wireless speaker 101 a) through various wireless communication manners (e.g., but not limited to the UWB mode, the WIFI mode, etc.), so that the other wireless speaker may masquerade as the former to implement listening to the established bluetooth link, so that information sent by the smart device 100 via the bluetooth link may be received by each wireless speaker.
As shown in fig. 6, during the first sub-period, the smart device 100 may send a first switching instruction to the wireless speaker 101b playing the audio signal and send a second switching instruction to the wireless speaker 101a to be switched to. In some embodiments, the smart device 100 may send the first and second switching instructions within the first sub-period and encode the identity of the recipient within each switching instruction, whereby each wireless speaker may identify the wireless speaker 101b playing the audio signal and the wireless speaker 101a to switch to using the established bluetooth link and the listening to the bluetooth link. In the second sub-period, after the wireless speaker 101b playing the audio signal receives the first switching instruction, the playing parameter is output to the wireless speaker 101a to be switched to. During the third sub-period, the wireless speaker 101a to be switched to acquires the audio signal from the smart device 100 according to the received playing parameter. The wireless speaker 101a to be switched to may also temporarily store the audio signal received from the smart device 100 in the memory and then start playing, so that when the audio signal is temporarily interrupted due to transient channel degradation, the audio signal may be read from the memory and played, so that the playing of the audio signal is not jammed, which is beneficial to improving the user experience. In addition, wireless speaker 101b and/or wireless speaker 101a may also send an acknowledgement packet to smart device 100. In some embodiments, as shown in fig. 6, an acknowledgement/negative acknowledgement packet (ACK/NACK acknowledgement packet) is transmitted by the wireless speaker 101a to the smart device 100, and the transmission and reception of the acknowledgement packet may be completed in a front portion of the period of the second bluetooth frame.
In addition to listening to the bluetooth link, the smart device 100 may also transmit a switching command and/or related data to a set of wireless speakers in a broadcast manner, which is not limited by this disclosure. Various implementation details in the above embodiments described based on bluetooth links may be incorporated herein, including but not limited to encoding the identification of the recipient in the switching instruction, presetting corresponding first, second and third sub-periods within each period to implement the transmission of the switching instruction, the transmission of the playback parameters, and the transmission of the audio data, respectively.
In some embodiments, separate Bluetooth Low Energy (BLE), BLE mesh, etc. connections may be established between the smart device and the wireless speakers. In some embodiments, a Bluetooth Low Energy (BLE), BLE mesh, or the like may establish BLE or BLE mesh connections between the various wireless speakers.
In some embodiments, as shown in fig. 7, the smart device 100 further includes a vital sign measurement module 1005 configured to measure at least one vital sign of the heartbeat or pulse of the user. In some embodiments, the second processor 1002 is further configured to determine whether the smart device 100 is in a wearing state based on the vital signs measured by the vital sign measurement module 1005; and under the condition that the intelligent device 100 is not in a wearing state, switching of the wireless speakers is forbidden, so that switching of the wireless speakers playing the audio signals is realized according to the distance or mutual position relation between the intelligent device 100 and different wireless speakers only when a user wears the intelligent device 100, and power consumption of the intelligent device 100 is reduced.
In some embodiments, an intelligent system is also included, the intelligent system including a wireless speaker assembly and an intelligent device.
Moreover, although illustrative embodiments have been described herein, the scope includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of aspects across various embodiments), adaptations or alterations based on the present disclosure. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the life of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the description be regarded as examples only, with a true scope being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. Other embodiments may be used by one of ordinary skill in the art in view of the above description. Moreover, in the detailed description above, various features may be combined together to simplify the present disclosure. This should not be interpreted as intending that an unclaimed disclosed feature is essential to any claim. Rather, inventive subject matter may lie in less than all features of a single disclosed embodiment. Thus, the claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
Claims (22)
1. A wireless speaker assembly comprising a set of wireless speakers, wherein each wireless speaker comprises a first positioning module, a second positioning module, a first wireless communication module, and a first processor,
the first positioning module is configured to: determining the positioning condition of each wireless loudspeaker in a group of physical areas;
the second positioning module is configured to: interacting with a fourth positioning module in the intelligent equipment to acquire distance related information between each wireless loudspeaker and the intelligent equipment;
the second positioning module is realized by any one of UWB, bluetooth, WIFI and Zigbee; the fourth positioning module is realized by any one of UWB, bluetooth, WIFI and Zigbee;
the first wireless communication module is configured to receive a handover instruction from the smart device;
the first processor is configured to: performing switching control according to a switching instruction from a smart device such that a subset of wireless speakers that are within the same physical area as the smart device are used to play audio signals;
for a subset of wireless speakers that are within the same physical area as the smart device, causing at least one wireless speaker that is in close proximity to the smart device to be used to play audio signals.
2. The wireless speaker assembly of claim 1, wherein the first processor is further configured to:
controlling the wireless loudspeaker to exit a playing state based on the first switching instruction if the received switching instruction is the first switching instruction;
and controlling the wireless loudspeaker to enter a playing state based on the second switching instruction when the received switching instruction is the second switching instruction.
3. The wireless speaker assembly of claim 1, wherein the physical area is a space at least partially separated by a physical boundary.
4. The wireless speaker assembly of claim 1, wherein the first processor is further configured to:
and controlling the first wireless communication module to transmit playing parameters to the wireless loudspeaker to be switched to or controlling the first wireless communication module to transmit the playing parameters to the intelligent equipment under the condition that the received switching instruction is a first switching instruction and the wireless loudspeaker is the wireless loudspeaker playing the audio signal.
5. The wireless speaker assembly of claim 4, wherein the playback parameters include a source of the played audio signal, a progress of the played audio signal, and a volume of the played audio signal, the source of the played audio signal including a WIFI AP or a smart device.
6. The wireless speaker assembly of claim 4, wherein the first processor is further configured to: processing an audio signal based on the received playback parameter in the case that the wireless speaker is a wireless speaker to switch to.
7. The wireless speaker assembly of claim 5, wherein the first processor is further configured to: and controlling the first wireless communication module to receive the content after the first preset time period of the progress of the audio signal under the condition that the received switching instruction is a second switching instruction and the wireless loudspeaker is a wireless loudspeaker to be switched to.
8. The wireless speaker assembly of claim 2, wherein the first processor is further configured to: controlling the wireless speaker to fade-out play based on the first switching instruction or fade-in play based on the second switching instruction.
9. A smart device, the smart device comprising:
a third location module configured to determine a location condition of the smart device in a set of physical areas;
a fourth positioning module configured to interact with the second positioning module of the respective wireless speakers to obtain distance-related information with the respective wireless speakers;
a second wireless communication module configured to perform wireless communication with respective wireless speakers of a set of wireless speakers;
a second processor configured to: based on the positioning conditions of the intelligent device and the wireless speakers in the set of physical areas, performing switching control so that a subset of the wireless speakers in the same physical area as the intelligent device are used for playing audio signals;
such that of the subset of wireless speakers that are within the same physical area as the smart device, at least one wireless speaker that is in close proximity to the smart device is used to play audio signals.
10. The smart device of claim 9, wherein the fourth location module is further configured to: determining distance-related information between the smart device and the respective wireless speakers based on strengths of wireless signals received by the smart device from the respective wireless speakers.
11. The smart device of claim 9, wherein the fourth location module is further configured to: determining distance-related information between the smart device and respective wireless speakers based on a distance between the smart device and at least one wireless beacon.
12. The smart device of claim 9, wherein the second wireless communication module employs any one of bluetooth, bluetooth low energy, BLE mesh and UWB.
13. The smart device of claim 9, wherein the second processor is further configured to:
determining a wireless speaker closest to the smart device;
determining whether a wireless speaker playing an audio signal is the closest wireless speaker to the smart device;
determining a wireless speaker closest to the smart device as a wireless speaker to be switched to if the wireless speaker playing the audio signal is not the wireless speaker closest to the smart device;
sending a first switching instruction to a wireless loudspeaker playing an audio signal so as to transmit playing parameters to a wireless loudspeaker to be switched to, or receiving the playing parameters from the wireless loudspeaker playing the audio signal to be forwarded to the wireless loudspeaker to be switched to;
sending a second switching instruction to the wireless loudspeaker to be switched to enable the wireless loudspeaker to be switched to process the audio signal based on the received playing parameter.
14. The smart device of claim 13, wherein the playing parameters comprise a source of the playing audio signal, a progress of the playing audio signal, and a volume of the playing audio signal, and wherein the source of the playing audio signal comprises a WIFI AP or a smart device.
15. The smart device of claim 14 wherein the first switching instruction further indicates that a wireless speaker that is playing an audio signal is ready to exit a play state, and wherein the second switching instruction further indicates that a wireless speaker to be switched to is ready to enter a play state.
16. The smart device of claim 15 wherein the second switching instruction further indicates content after a first predetermined period of time of progress of the wireless speaker to switch to receiving the audio signal.
17. The smart device of claim 15 wherein the second switching instruction further instructs the wireless speaker to switch to perform a play state after receiving audio content for a second predetermined period of time.
18. The smart device of claim 13 wherein the first switching instruction further indicates a wireless speaker that is playing an audio signal fades out, and wherein the second switching instruction further indicates a wireless speaker to switch to fades in.
19. The smart device of claim 9, further comprising a vital sign measurement module configured to measure at least one vital sign of a heartbeat or a pulse of a user.
20. The smart device of claim 19, wherein the second processor is further configured to:
determining whether the smart device is in a wearing state based on the vital signs measured by the vital sign measurement module; and the number of the first and second groups,
disabling switching of the wireless speaker if the smart device is not in a worn state.
21. The smart device of claim 9, wherein the smart device comprises a wearable device, and wherein the physical region is a space at least partially separated by a physical boundary.
22. An intelligent system, characterized in that the intelligent system comprises a wireless loudspeaker assembly according to any one of claims 1-9 and an intelligent device according to any one of claims 9-21.
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