CN114793308A

CN114793308A - Sound box assembly, wireless audio playing system and communication method

Info

Publication number: CN114793308A
Application number: CN202210430168.0A
Authority: CN
Inventors: 陈俊; 张扬
Original assignee: Heng Xuan Technology Beijing Co ltd
Current assignee: Heng Xuan Technology Beijing Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-07-26

Abstract

The present disclosure provides a loudspeaker assembly, a wireless audio playback system and a communication method, the loudspeaker assembly comprising at least two loudspeakers, wherein one of the speakers is configured to establish a first DLNA connection with a smart device, receive a first control command from the smart device based on the first DLNA connection, and execute an instruction of the first control command, and the first loudspeaker establishes a respective second DLNA connection with at least one second loudspeaker other than the first loudspeaker, and sends a second control command to the respective second loudspeaker based on the respective second DLNA connection, the second loudspeaker is configured to receive the second control command based on the second DLNA connection and to execute an indication of the second control command, the method and the device realize the audio playing of the multi-channel stereo sound box and improve the sharing efficiency of audio data.

Description

Sound box assembly, wireless audio playing system and communication method

Technical Field

The present disclosure relates to the field of wireless communication, and more particularly, to a speaker assembly, a wireless audio playing system, and a communication method.

Background

DLNA was originally proposed by sony, intel, microsoft, etc., and is generally called DIGITAL LIVING NETWORK ALLIANCE, which is intended to solve the interconnection between wireless NETWORKs and wired NETWORKs such as computers and other electronic products such as mobile phones and tablets, and allow photos, videos and music to be shared among the above devices. The music played by intelligent terminal equipment such as a mobile phone, a tablet personal computer, a personal computer and the like can be transmitted to the DLNA-supporting sound box for playing through the DLNA technology, but most of music player software only can support connection of one DLNA sound box device and cannot meet the playing requirement of the multi-channel stereo sound box.

Disclosure of Invention

The present disclosure is made to solve the above technical problems in the prior art. The present disclosure is directed to a speaker assembly, a wireless audio playing system and a communication method, which can implement audio playing of a multi-channel stereo speaker without changing an original DLNA protocol in an intelligent device playing audio and only connecting with a speaker device supporting the DLNA protocol, and improve efficiency of audio data sharing.

According to a first aspect of the present disclosure, there is provided a loudspeaker assembly comprising at least two loudspeakers, wherein one of the loudspeakers is configured as a first loudspeaker, the first loudspeaker is configured to establish a first DLNA connection with a smart device, receive a first control command from the smart device and execute an instruction of the first control command based on the first DLNA connection, and establish a respective second DLNA connection with at least one second loudspeaker other than the first loudspeaker, transmit a second control command to the respective second loudspeaker based on the respective second DLNA connection, and the second loudspeaker is configured to receive the second control command and execute an instruction of the second control command based on the respective second DLNA connection.

According to a second aspect of the present disclosure, a wireless audio playing system is provided, which includes the sound box assembly according to the various embodiments of the present disclosure, or the sound box assembly and the smart device according to the various embodiments of the present disclosure.

A third aspect according to the present disclosure provides a method of communication between a smart device and an audio enclosure assembly, the loudspeaker assembly comprises at least two loudspeakers, the communication method comprises the intelligent device selecting one of the loudspeakers as the first loudspeaker, the first loudspeaker box is connected with the intelligent device through a first DLNA, receives a first control command from the intelligent device based on the first DLNA connection and executes an instruction of the first control command, and the first loudspeaker box establishes respective second DLNA connection with at least one second loudspeaker box except the first loudspeaker box, and sends the second control command to the respective second loudspeaker boxes based on the respective second DLNA connection, and each second loudspeaker box receives the second control instruction based on the corresponding second DLNA connection and executes the instruction of the second control instruction based on the second control instruction.

Compared with the prior art, the beneficial effects of the embodiment of the present disclosure are that:

the intelligent equipment only needs to utilize the existing DLNA protocol to identify a first sound box supporting the DLNA protocol and establish a first DLNA connection with the first sound box, the first sound box receives a first control command from the intelligent equipment based on the first DLNA connection and executes an instruction of the first control command, meanwhile, the first sound box establishes a respective second DLNA connection with at least one second sound box except the first sound box, second control commands are sent to the second sound boxes based on the respective second DLNA connection, the second sound boxes receive the second control command based on the respective second DLNA connection and execute the instruction of the second control command, and therefore the first sound box and the second sound boxes can achieve synchronous and coordinated multi-channel stereo audio playing. The existing intelligent equipment can only be connected with one first sound box, cannot establish a plurality of DLNA (digital Living network alliance) connections with a plurality of second sound boxes, and cannot realize multi-channel stereo playing. According to the embodiment of the disclosure, an original DLNA protocol of the intelligent device does not need to be modified, the first sound box can be connected with the plurality of second sound boxes through the plurality of DLNA protocols, the first sound box only needs to inform the download address of the audio of the second sound box through the second control instruction, the second sound box downloads the audio data according to the address, an extra channel does not need to be established between the first sound box and the plurality of second sound boxes to forward the audio data, and therefore the audio data sharing efficiency is greatly improved.

The foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to limit the invention as claimed.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar parts throughout the different views. Like reference numerals having letter suffixes or different letter suffixes may represent different examples of similar components. The drawings illustrate generally, by way of example, but not by way of limitation, various embodiments and, together with the description and the claims, serve to explain the disclosed embodiments. Such embodiments are illustrative and exemplary and are not intended to be exhaustive or exclusive embodiments of the present method, apparatus, system, or non-transitory computer-readable medium having instructions for carrying out the method.

Fig. 1 shows a schematic diagram of communication transmission of a speaker assembly with a smart device according to an embodiment of the present disclosure;

FIG. 2 shows a timing diagram of a process flow for a second enclosure to switch with a first enclosure in accordance with an embodiment of the present disclosure;

fig. 3 shows a flow chart of a method of communication between a smart device and a speaker assembly 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 use of "first," "second," and similar terms in this disclosure does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "first enclosure" and "second enclosure" are used throughout this disclosure to distinguish only, for example, in other embodiments, the "first enclosure" may be the "second enclosure" and the "second enclosure" may be the "first enclosure". The word "comprising" or "comprises", and the like, means that the element preceding the word comprises the element listed after the word, and does not exclude the possibility that other elements may also be included. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present disclosure, when it is described that a specific device is located between a first component and a second component, there may or may not be an intervening device between the specific device and the first device or the second device. When it is described that a specific device is connected to other devices, the specific device may be directly connected to the other devices without having an intervening device, or may be directly connected to the other devices without having an intervening device. In the present disclosure, arrows shown in the figures of the respective steps are only used as examples of execution orders, and are not limited, and the technical solution of the present disclosure is not limited to the execution orders described in the embodiments, and the respective steps in the execution orders may be executed in a combined manner, may be executed in a split manner, and may be exchanged in order as long as the logical relationship of the execution content is not affected.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

Fig. 1 shows a schematic diagram of communication transmission of a speaker assembly and a smart device according to an embodiment of the present disclosure. As shown in fig. 1, the speaker components include at least two speakers, and the components of the speakers are arranged so that the mobile user can obtain a good audio playing experience at each position through the corresponding speaker, and when each speaker is arranged to play audio data of different channels, the mobile user can enjoy a flexible and rich multi-channel audio playing experience. In some embodiments, one of the speakers may serve as the first speaker 101, and the first speaker 101 may be configured to establish a first DLNA connection with the smart device 102 based on the DLNA protocol, and receive a first control command from the smart device 102 based on the first DLNA connection and execute an instruction of the first control command. The first speaker 101 may be determined in various manners, for example, in a case that the DLNA protocol of the smart device 102 identifies multiple speakers, a certain speaker of the speaker assemblies may be designated as the first speaker 101 by a user, or a certain speaker of the speaker assemblies may be randomly selected as the first speaker 101 by the smart device 102, and so on, which are not listed herein.

The smart device 102 may be a variety of portable smart terminals, including but not limited to smart phones, tablet computers, notebook computers, personal computers, smart homes, wearable smart devices, and the like. For example, when smart device 102 is a smart phone, the smart phone selects one of the speaker assemblies as first speaker 101, and establishes a first DLNA connection with first speaker 101. The smart phone sends a first control command to the first sound box 101 through a first DLNA connection, where the first control command may include an address of audio data. After the first sound box 101 acquires the first control instruction through the first DLNA connection, corresponding audio data is downloaded based on the address of the audio data in the instruction.

Further, the first sound box 101 establishes a respective second DLNA connection with at least one

second sound box

103a, 103b, 103c, 103d and/or 103n outside the first sound box 101, and sends a second control command to the respective

second sound box

103a, 103b, 103c, 103d and/or 103n based on the respective second DLNA connection. The first DLNA connection refers to DLNA connection established between the intelligent device and one sound box. The second DLNA connection does not refer to a second DLNA connection, but refers to a DLNA connection established between one or more speakers and one speaker, which is different from a DLNA connection established between the smart device and one speaker. For example, three enclosures each establish three DLNA connections with a selected one of the enclosures (e.g., as the first enclosure 101), then the three DLNA connections are all referred to as a second DLNA connection. If five enclosures each establish five DLNA connections with one enclosure, then these five DLNA connections are referred to as a second DLNA connection. The first DNLA link and the second DLNA link are used to distinguish different objects connected to each other. In addition, the second speaker is not a speaker, but is a generic term for one or more speakers that can establish one or more DLNA connections with a selected speaker (as the first speaker 101 that establishes the first DLNA connection with the smart device 102). For example, if there are five enclosures in the enclosure assembly, and one enclosure is selected from the five enclosures as a first enclosure 101 to establish a first DLNA connection with the smart device 102, then the remaining four enclosures are all referred to as second enclosures if they each establish a respective second DLNA connection with the first enclosure 101. Alternatively, if only three of the remaining four enclosures establish their respective second DLNA connections with the first enclosure, then these three enclosures are referred to as the second enclosure.

As shown in fig. 1, when at least two sound boxes are included in the sound box assembly, for the sake of convenience of distinction, the sound boxes of the sound box assembly except the first sound box 101 are respectively labeled as 103a, 103b, 103c, 103d · · 103 n. Because one of the speakers in the speaker assembly is selected as the first speaker 101, the remaining speakers in the speaker assembly can be simultaneously used as the second speakers, or only some of the remaining speakers can be used as the second speakers. As an example, assume that four speakers are included in the speaker assembly, one of the speakers is selected as the first speaker 101, the first speaker 101 establishes a first DLNA connection with the smart device 102, the first speaker 101 and the

second speakers

103a and 103b respectively establish respective second DLNA connections (i.e., establish two second DLNA connections), for example, the first speaker 101 and the second speaker 103a establish one second DLNA connection, and the first speaker 101 and the second speaker 103b establish another second DLNA connection. The first enclosure 101 sends a second control command to the

second enclosures

103a, 103b based on their respective second DLNA connections. In fig. 1, the dashed line between the first sound box 101 and the second sound box 103c is meant to illustrate that the second DLNA connection may be established between the first sound box 101 and the second sound box 103c, and may not be established.

The

second sound boxes

103a, 103b, 103c, 103d, and/or 103n are configured to receive the second control command based on the respective second DLNA connection and execute an instruction of the second control command, and implement communication between the first sound box 101 and the respective

second sound boxes

103a, 103b, 103c, 103d, and/or 103n through the respective second DLNA connection, for example, the second control command may include a download address of an audio to be played, and the

second sound boxes

103a, 103b, 103c, 103d, and/or 103n that establish the respective second DLNA connection with the first sound box 101 download corresponding audio data after obtaining the second control command. The DLNA is a digital living network alliance and aims to solve the problem of interconnection and intercommunication of a wireless network and a wired network, wherein the wireless network comprises a Personal Computer (PC), a consumer appliance and mobile equipment. Specifically, taking fig. 1 as a specific example, a local area network is formed by using a WIFI hotspot by a mobile phone and a sound box assembly, wherein the local area network may be an independent WIFI router or a WIFI hotspot integrated on the mobile phone without depending on a specific form of the WIFI hotspot. The first sound box 101 establishes a first DLNA connection with the mobile phone 102, wherein the mobile phone serves as the DMC0, and the first sound box 101 serves as the DMP 0. At this time, the first sound box 101 as DMC1 establishes respective second DLNA connections with the second sound box 103a (as DMP1) and the second sound box 103b (as DMP 2).

Application software (such as a player) on the mobile phone sends a first control instruction to the first sound box 101 through a first DLNA connection, for example, the first control instruction controls play control functions such as play, pause, volume adjustment, fast forward and fast backward of the first sound box 101, and simultaneously the first sound box 101 sends a second control instruction to the second sound box 103a and the second sound box 103b through respective second DLNA connections, where the second control instruction may be the same control instruction as the first control instruction, and may also include other instructions. And each second sound box which establishes respective second DLNA connection with the first sound box 101 executes downloading audio data, playing, pausing, fast forwarding, fast rewinding and the like according to the instruction of the second control instruction. The embodiment solves the problems that most of music player software only supports connection of one DLNA sound box device, so that the data transmission efficiency is low, and the audio quality and the synchronism of a plurality of sound boxes cannot be balanced, and can adapt to the playing requirements of multi-channel stereo sound boxes.

In the above embodiments, the DMC is a digital media controller, which may be an intelligent terminal device with a basic operation interface. The DMP is a digital media player, generally referring to the ability to find and play or output any media files provided by the DMS online. Some DMP devices include televisions, home theaters, printers, PDAs, multimedia handsets, wireless screens, and some game terminals. The DMS, collectively referred to as a digital media server, provides the ability to acquire, record, store, and source media files. DMS, DMP, DMC also includes M-DMS, M-DMP, M-DMC, i.e., mobile-DMS, mobile-DMP, mobile-DMC, i.e., mobile DMS, mobile DMP, mobile DMC.

In some embodiments, the first control instruction comprises an address of audio data and/or a play control instruction of the audio data. For example, the user selects audio data to be played by controlling the smart device 102, and sends a first control instruction to the first sound box 101, where the first control instruction includes an address of the audio data to be played, and the first sound box 101 downloads corresponding audio data after acquiring the address. First audio amplifier 101 downloads corresponding audio data based on the address of audio data, and compared with the audio data transmitted to first audio amplifier 101 by smart device 102, the efficiency of wireless transmission is higher. In addition, the first control instruction may also include an audio playing control instruction, for example, the smart device 102 informs the first sound box 101 to play audio data. The playing control instruction includes a playing instruction, a pause playing instruction, a volume adjusting instruction, a fast forward instruction or a fast backward instruction of the audio data, and the first sound box 101 executes playing, pausing, volume increasing, volume decreasing, fast forward or fast backward of the audio data based on the first control instruction. The user can select or input the playing control instruction based on actual needs to meet the actual needs of the user.

DLNA is also used between the first sound box 101 and each of the

second sound boxes

103a, 103b, 103c, 103d and/or 103n, so that each of the

second sound boxes

103a, 103b, 103c, 103d and/or 103n can also obtain audio data based on the address, thereby avoiding that the smart device 102 sends smart data to a plurality of sound boxes or audio data is transmitted again among a plurality of sound boxes, and having high transmission efficiency of shared audio data, small data delay, and being beneficial to synchronous playing and the like.

In some embodiments, the second control instruction may include one or more of an address of the audio data, channel configuration information of each second speaker, and a play control instruction of the audio data. And through respective second DLNA connection, the first sound box 101 sends the second control instruction to each second sound box, and controls each second sound box to acquire and play audio data. Wherein the second control instruction comprises an address of the audio data, and the address of the audio data may be the same as or different from the address of the audio data contained in the first control instruction. Each second speaker, such as

speakers

103a, 103b, 103c, 103d, and/or 103n, plays in conjunction or coordinated with first speaker 101 during the course of playing audio data. The second control instruction may further include channel configuration information of each second sound box, and after the channel configuration information is acquired by each

second sound box

103a, 103b, 103c, 103d, and/or 103n, the audio to be played is played respectively. In some embodiments, the audio data of each channel in the multi-channel audio data may have a channel identifier, the audio data of different channels may be stored at different addresses, or may be stored at the same address, and each loudspeaker downloads the audio data of the corresponding channel from different addresses, or downloads the audio data from the same address, and then selects to play based on the channel identifier. In some embodiments, personalized configurations for different audio data may also be included in the channel configuration information, for example, it is specified in the channel configuration information that a first channel of a first song to be played is played by the first sound box 103a, a second channel is played by the second sound box 103b, a first channel of a second song to be played is played by the second sound box 103b, a second channel is played by the first sound box 103a, and so on, so as to realize personalized playing of multi-channel stereo audio and flexible configuration of playing scenes.

The channel configuration information may be set by a user, for example, the user sets the channel configuration information on the smart device 102 according to the quality or sound effect of the audio to be played. Or, it is not necessary to include the channel configuration information in the second control instruction, and at this time, the respective channel identifier may be configured in advance for each sound box in the sound box assembly, so that each sound box may select the audio data of the corresponding channel to play according to the channel identifier, thereby implementing the multi-channel stereo play of the audio data. In some embodiments, for example, each speaker in the speaker assembly is configured at the time of factory shipment or manually configured by the user to set the respective channel identifier, such as the second speaker 103a, 103d is a bass speaker for playing bass channel audio data, the frequency band of the audio signal of the bass speaker is generally within 100Hz or 150Hz or 200Hz, and the

second speaker

103b, 103c is for playing audio data outside the bass channel, etc. In other embodiments, the playing control instruction of the audio data may further include instructions for performing playing, pausing, volume up, volume down, fast forward, fast backward, or other controls on the audio data, so as to implement synchronous control of audio playing of multiple speakers, and personalized regulation and control of parameters such as volumes of audio data of different channels, thereby better implementing synchronous playing of multi-channel stereo audio and configuration of various scenes, which are not listed in various application manners.

In some embodiments, when the first speaker 101 receives the address of the audio data from the smart device 102 based on the first DLNA connection, the first speaker 101 is further configured to obtain the audio data from the DMS terminal and play the audio data based on the received address of the audio data. For example, the application software on the mobile phone controls the first sound box 101 to play the audio file specified by the user through the first DLNA connection, for example, the mobile phone transmits a URL (network address) of the audio file to the first sound box 101 through the first DLNA connection, and the first sound box 101 obtains the address of the audio file and then downloads the audio data from the cloud server through the local DMP0 (i.e., the first sound box 101) for playing.

In some embodiments, when the second speakers receive the addresses of the audio data based on the respective second DLNA connections, the respective second speakers are further configured to obtain the audio data from the DMS terminal and play the audio data based on the received addresses of the audio data. Specifically, the first sound box 101 controls each second sound box to obtain information such as URL of downloaded audio data through respective second DLNA connection by using respective second DLNA connection, so as to download the audio data for playing. For example, the first sound box 101 transmits the URL of the audio file to each

second sound box

103a, 103b, 103c and/or 103n through the respective second DLNA connection, and each

second sound box

103a, 103b, 103c and/or 103n downloads the audio data from the cloud server according to the audio data address for playing.

Further, when each second loudspeaker receives the address of the audio data and the channel configuration information of each second loudspeaker based on the respective second DLNA connection, each second loudspeaker is further configured to obtain the audio data from the DMS terminal based on the received address of the audio data, and play one or more channels in the audio data based on the channel configuration information. Each

second speaker

103a, 103b, 103c and/or 103n obtains the channel configuration information, and determines to play one or more channels in the audio file according to the channel configuration information. And each second sound box plays the audio data played by each second sound box according to the sound channel identification of the second sound box and the sound channel configuration information. Therefore, according to the embodiment of the disclosure, the media data transmission function and the play control function of the DLNA multi-channel stereo sound box can be realized on the basis of not changing the software of the existing intelligent terminal player such as a mobile phone, a tablet computer and the like, and the multi-channel stereo experience effect can be realized. In this embodiment, the DMS end may be the smart device 102, for example, audio data to be played is stored in the smart device 102, and the first speaker 101 and the

second speakers

103a, 103b, 103c and/or 103n access the audio data on the smart device 102 through the audio data address and download the audio data.

In some embodiments, the first DLNA connection and the second DLNA connection are established based on a WIFI channel or a bluetooth channel. For example, the smart device 102 senses that one sound box in the sound box assemblies is used as the first sound box 101, and establishes a first DLNA connection, the smart device 102 sends the first control instruction to the first sound box 101 through the first DLNA connection, the first sound box 101 acquires an address of the first control instruction about audio data to be played, and the first sound box 101 downloads corresponding audio data from the cloud server by using a WIFI channel or a bluetooth channel and plays the audio data.

In some embodiments, the first sound box 101 is further configured to recognize the channel configuration information based on the first control instruction from the smart device 102, or, after the first sound box 101 acquires the audio data, automatically analyze the audio data to obtain the corresponding channel configuration information. For example, the first control instruction may include channel configuration information, and the first loudspeaker 101 may automatically recognize the channel configuration information based on the first control instruction and play audio data according to the respective channels. Of course, after the first sound box 101 acquires the audio data, it automatically analyzes the audio data, acquires the channel configuration information corresponding to the audio data, and sends the channel configuration information to each second sound box, such as the

second sound boxes

103a, 103b, 103c, and/or 103n, through respective second DLNA connection.

In some embodiments, the first speaker 101 and the second speaker can be switched. For example, when the smart device 102 wants to play a first audio file, in a sound box assembly formed by multiple sound boxes, for the smart device 102, it is not necessary to sense existence of the multiple sound boxes, and as long as an existing DLNA protocol finds one sound box device, the sound box device may be selected as the first sound box 101, that is, the DMP0, and establish a first DLNA connection with the first sound box 101. The selected first loudspeaker 101 is used as DMC1 to establish a second DLNA connection with each of other second loudspeakers, wherein the second loudspeakers may be 103a, 103b, 103c and/or 103 n. After the first audio file is played, when the second audio file is played continuously, the smart device 102 may select the second sound box 103c as the first sound box and establish a first DLNA connection with the first sound box, and the first sound box selected when the first audio file is played may establish a second DLNA connection with the first sound box when the second audio file is played, and may also be in a standby state. The selection of which sound box of the sound box assembly is selected by the smart device 102 as the first sound box 101 may be random, may also be selected by a user, may also be matched based on the audio quality of an audio file to be played, or may also be switched according to factors such as the physical location of each sound box and the connection quality between each sound box and other sound boxes, which is not listed here.

According to the sound box assembly disclosed by the embodiment of the disclosure, the multi-box playing system is established only by DLNA connection of each sound box, each sound box can establish information interaction connection with the intelligent device 102 or different sound boxes only by DLNA, the time delay established by the multi-box playing system is shortened, the first sound box 101 does not need to establish DLNA connection with the intelligent device 102 first, other connections are established between the first sound box 101 and other second sound boxes, a user does not need to intervene or manually configure the establishment of connection between the first sound box 101 and the second sound box, the operation is simplified, and great convenience is provided for the user.

Fig. 2 shows a timing diagram of a process flow for a second enclosure to be switched with a first enclosure according to an embodiment of the disclosure.

In some embodiments, the second speaker to switch with the first speaker 101 is further configured to establish a first DLNA connection with the smart device 102 within a predetermined time period before the switch, receive the first control command from the smart device 102, and temporarily store the first control command in a memory (not shown) for transmission as the first speaker to other speakers after the switch. As shown in fig. 2, a second sound box (step 201) switched with the first sound box 101 is connected with the mobile phone by a first DLNA within a predetermined time period (i.e., the time period from t1 to t 2), the second sound box (step 201) switched with the first sound box 101 receives a first control command based on the first DLNA connection (step 202), and the obtained first control command is temporarily stored in the memory. In some embodiments, the length of the predetermined time period (i.e., the period between t1 and t 2) is long enough so that the second enclosure about to switch to the first enclosure has sufficient time to receive information regarding assuming the role of the first enclosure and performing the associated control operations. In step 203, that is, switching is performed during the period from t2 to t3, and the switched first loudspeaker box 101 (assumed by 103 c) sends a second control command to other loudspeaker boxes (step 204), where the second control command may be identical to the first control command, or may be added with other control commands based on the first control command. For example, the first control instruction only includes an address of audio data to be played, however, the first sound box 101 may obtain the channel configuration information of the audio data through automatic analysis of the audio data, at this time, the first sound box 101 obtains the first control instruction from the memory, and then adds the channel configuration information to form a second control instruction, and sends the second control instruction to each second sound box, such as the

second sound boxes

103a, 103b, and/or 103 n.

In the embodiment according to the present disclosure, the control command or the control information is transmitted between the first sound box 101 and each second sound box through the respective second DLNA, and each second sound box obtains the audio data based on the download address instead of the forwarding of the first sound box 101, so that the transmission efficiency of the audio data to be shared can be greatly improved, the overall time delay of the audio data reaching each sound box can be reduced, and therefore the playing effect of the multi-channel stereo audio can be improved. In addition, the first sound box 101 does not need to establish an additional data channel for forwarding the audio data, so that the data processing and transmission burden of the first sound box 101 can be reduced, the power consumption can be reduced, and the interference possibly generated by multichannel data transmission of the sound box device can be reduced.

There is also provided a wireless audio playing system according to an embodiment of the present disclosure, including the sound box assembly according to various embodiments of the present disclosure, or including the sound box assembly according to various embodiments of the present disclosure and a smart device (e.g., the smart device 102 shown in fig. 1). According to the wireless audio playing system disclosed by the embodiment of the disclosure, the problem that the intelligent device (taking a mobile phone as an example) only supports the establishment of DLNA connection with one sound box, so that an audio file can be played on only one sound box is solved, and the multi-sound-box-based multi-channel stereo audio playing is realized under the condition that the original DLNA protocol of the intelligent device is not changed.

Fig. 3 shows a flow chart of a communication method between a smart device and an enclosure assembly including at least two enclosures according to an embodiment of the present disclosure. In step 301, the smart device selects one of the speakers as the first speaker. Each audio amplifier in the audio amplifier subassembly all can listen DLNA's establishment, and the smart machine only needs to feel one audio amplifier in the audio amplifier subassembly as first audio amplifier and establish first DLNA and connect, and it need not the existence of the remaining audio amplifier of perception. Of course, the smart device may also replace the first speaker based on a user's selection or based on characteristics of audio data played each time. For example, assuming that there are four speakers in the speaker assembly, which are respectively labeled as 103a, 103b, 103c, and 103d, when playing a first audio file, the smart device selects 103d as a first speaker, and the first speaker establishes a second DLNA connection with the

second speaker

103a or 103b or the

second speakers

103a, 103b, and 103 c. And when playing the second audio file, the intelligent device changes the first sound box, selects 103c as the first sound box, and establishes a second DLNA connection with the second sound box 103 a. The first sound box and the second sound box can be exchanged, and the first sound box can select all the rest sound boxes except the first sound box as the second sound boxes to establish respective second DLNA connection, or only select part of the rest sound boxes as the second sound boxes to establish respective second DLNA connection.

In step 302, the first sound box establishes a first DLNA connection with the smart device, receives a first control instruction from the smart device based on the first DLNA connection and executes an instruction of the first control instruction, and establishes a respective second DLNA connection between the first sound box and at least one second sound box other than the first sound box, and sends the second control instruction to each second sound box based on the respective second DLNA connection, thereby implementing a media data transmission function and a play control function for a DLNA multi-channel stereo sound box without changing existing smart device play software, and improving transmission efficiency of audio data and user experience.

In step 303, each second sound box receives the second control command based on the respective second DLNA connection, and executes an instruction of the second control command based on the second control command.

In some embodiments, the method further includes presetting an audio signal of which channel each loudspeaker box is to play, and after obtaining audio data, extracting and converting the audio data into an audio signal of each channel to achieve an effect of multi-channel stereo playing.

In some embodiments, when the first loudspeaker receives the address of the audio data from the smart device based on the first DLNA connection, the audio data is acquired from the DMS side based on the acquired address of the audio data. And each second loudspeaker box receives the address of the audio data based on the respective second DLNA connection, and acquires the audio data from the DMS terminal based on the address of the audio data and plays the audio data. Or, when each second loudspeaker box receives the address of the audio data and the channel configuration information of each second loudspeaker box based on the connection of the respective second DLNA, the second loudspeaker box acquires the audio data from the DMS terminal based on the received address of the audio data, and plays one or more channels in the audio data based on the channel configuration information.

In some embodiments, the first speaker and the second speaker may be switched with each other, the second speaker switched with the first speaker establishes a first DLNA connection with the smart device within a predetermined time period before the switching, receives a first control command from the smart device, and temporarily stores the first control command in a memory, for sending to other speakers after the switching. For specific implementation, reference may be made to the description above, and details are not repeated here.

Note that, in each embodiment of the present disclosure, the contents of the communication method described in connection with the sound box assembly and the smart device may be combined with each other, and are not described herein again.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the disclosure having equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. 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 prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit 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 versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the foregoing detailed description, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, the subject matter of the present disclosure may lie in less than all features of a particular disclosed embodiment. Thus, the following 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 the embodiments can be combined with each other in various combinations or permutations. The scope of the disclosure should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are merely exemplary embodiments of the present disclosure, which is not intended to limit the present disclosure, and the scope of the present disclosure is defined by the claims. Various modifications and equivalents of the disclosure may occur to those skilled in the art within the spirit and scope of the disclosure, and such modifications and equivalents are considered to be within the scope of the disclosure.

Claims

1. An audio amplifier assembly, wherein the audio amplifier assembly comprises at least two audio amplifiers, wherein one of the audio amplifiers is configured as a first audio amplifier, the first audio amplifier configured to:

establishing a first DLNA connection with an intelligent device, receiving a first control instruction from the intelligent device based on the first DLNA connection, and executing an instruction of the first control instruction; and is

The first sound box and at least one second sound box except the first sound box establish respective second DLNA connection, and second control instructions are sent to the respective second sound boxes based on the respective second DLNA connection;

the second speaker is configured to: receive an indication of the second control command and execute the second control command based on the respective second DLNA connection.

2. The loudspeaker assembly of claim 1, wherein the first control instruction comprises an address of audio data and/or a playback control instruction of the audio data.

3. The loudspeaker assembly of claim 1, wherein the second control instructions comprise one or more of an address of the audio data, channel configuration information of each second loudspeaker, and a playback control instruction of the audio data.

4. The loudspeaker assembly of claim 2, wherein when a first loudspeaker receives the address of the audio data from the smart device based on the first DLNA connection, the first loudspeaker is further configured to retrieve the audio data from the DMS terminal and play it based on the received address of the audio data.

5. The loudspeaker assembly of claim 3, wherein when the respective second loudspeaker receives the address of the audio data based on the respective second DLNA connection, the respective second loudspeaker is further configured to obtain the audio data from the DMS terminal and play the audio data based on the received address of the audio data,

or, when each second loudspeaker receives the address of the audio data and the channel configuration information of the second loudspeaker based on the respective second DLNA connection, each second loudspeaker is further configured to obtain the audio data from the DMS terminal based on the received address of the audio data, and play one or more channels in the audio data based on the channel configuration information.

6. The loudspeaker assembly of claim 1, wherein the first DLNA connection and the second DLNA connection are established based on a WIFI channel or a bluetooth channel.

7. The loudspeaker assembly of claim 1, wherein the first loudspeaker is further configured to: identifying channel configuration information based on a first control instruction from the intelligent device; or after the first loudspeaker box obtains the audio data, automatically analyzing the audio data to obtain the corresponding sound channel configuration information.

8. The speaker assembly of claim 1, wherein the first speaker and the second speaker are switchable with respect to each other; the second speaker to switch from the first speaker to each other is further configured to:

and establishing a first DLNA connection with the intelligent equipment within a preset time period before switching, receiving the first control instruction from the intelligent equipment, and temporarily storing the first control instruction in a memory for sending to other sound boxes after switching.

9. A wireless audio playback system, comprising a loudspeaker assembly according to any one of claims 1-8, or

The wireless audio playback system comprising the loudspeaker assembly according to any one of claims 1-8 and a smart device.

10. A communication method between a smart device and a speaker assembly, the speaker assembly comprising at least two speakers, the communication method comprising:

the intelligent equipment selects one of the sound boxes as the first sound box;

the first loudspeaker box is connected with intelligent equipment through a first DLNA, receives a first control command from the intelligent equipment based on the first DLNA connection and executes an instruction of the first control command, and is connected with at least one second loudspeaker box except the first loudspeaker box through a second DLNA connection, and the second control command is sent to the second loudspeaker boxes based on the second DLNA connection;

and the second loudspeaker box receives the second control instruction based on the respective second DLNA connection and executes the instruction of the second control instruction based on the second control instruction.

11. The communication method of claim 10, wherein the method further comprises: presetting which sound channel audio signal is to be played by each sound box; after audio data are acquired, the audio data are extracted and converted into audio signals of all channels.

12. The communication method according to claim 10, wherein when the first speaker receives the address of the audio data from the smart device based on the first DLNA connection, the audio data is acquired from a DMS terminal based on the acquired address of the audio data;

each second loudspeaker box receives the address of the audio data based on the respective second DLNA connection, acquires the audio data from the DMS terminal based on the address of the audio data and plays the audio data,

or, when each second loudspeaker box receives the address of the audio data and the channel configuration information of each second loudspeaker box based on the connection of the respective second DLNA, each second loudspeaker box acquires the audio data from the DMS terminal based on the received address of the audio data, and plays one or more channels in the audio data based on the channel configuration information.

13. The communication method according to claim 10, wherein the first speaker and the second speaker are switchable with each other; and a second sound box switched with the first sound box is connected with the intelligent equipment in a first DLNA (digital living network alliance) within a preset time period before switching, receives a first control command from the intelligent equipment, temporarily stores the first control command in a memory and is used for sending the first control command to other sound boxes after switching.