CN113423142B - Wireless signal transmission method and device - Google Patents
Wireless signal transmission method and device Download PDFInfo
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- CN113423142B CN113423142B CN202110652919.9A CN202110652919A CN113423142B CN 113423142 B CN113423142 B CN 113423142B CN 202110652919 A CN202110652919 A CN 202110652919A CN 113423142 B CN113423142 B CN 113423142B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application discloses a wireless signal transmission method and device, wherein the method comprises the following steps: acquiring multichannel audio signals and distributing the multichannel audio signals into at least two wireless data packets; setting the transmission sequence of at least two wireless data packets, and transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence; and in the transmission period, repeatedly executing the step of transmitting at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times. The loss of the multichannel audio signals in the transmission process is effectively avoided, meanwhile, the mutual interference among the multichannel audio signals is effectively reduced, and the synchronism is better realized. In the transmission period, the more the preset times of repeatedly sending a plurality of wireless data packets, the better the anti-interference effect, and the better the loss of the audio signal can be avoided.
Description
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a wireless signal transmission method and device.
Background
In conventional speaker systems, a multi-channel speaker box transmits audio signals to a plurality of speaker audio signals, and the signal transmission may be wired or wireless. However, the wired transmission method is high in cost, and the wire is inconvenient to install and occupies space. In the wireless transmission mode, the distance between the multichannel sound box and the plurality of loudspeakers cannot be too far, when audio signals are transmitted among the plurality of channels, mutual interference can be generated, and therefore when the audio signals are transmitted wirelessly, the synchronism is poor, and the required bandwidth is large.
Disclosure of Invention
The application provides a wireless signal transmission method and device, which are used for solving one or more technical problems in the prior art.
In a first aspect, the present embodiment provides a wireless signal transmission method, including:
acquiring multichannel audio signals and distributing the multichannel audio signals into at least two wireless data packets;
setting the transmission sequence of the at least two wireless data packets, and transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence;
and in the transmission period, repeatedly executing the step of transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times.
In one embodiment, the number of wireless data packets is less than or equal to the number of channels.
In one embodiment, the method further comprises:
and receiving feedback signals returned by the devices, and updating the frequency information of the multichannel audio signals according to the feedback signals.
In one embodiment, receiving a feedback signal returned by each of the devices includes:
and receiving a feedback signal returned by the equipment in a reserved time period in the transmission period.
In one embodiment, the method further comprises:
and determining the preset times according to the transmission period and the time delay of the at least two wireless data packets.
In a second aspect, the present embodiment provides a wireless signal transmission apparatus, including:
the audio signal distribution module is used for acquiring multichannel audio signals and distributing the multichannel audio signals into at least two wireless data packets;
a data packet transmission sequence setting module, configured to set a transmission sequence of the at least two wireless data packets, and send the at least two wireless data packets to a plurality of devices according to the transmission sequence;
and the data packet repeated transmission module is used for repeatedly executing the step of transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times in the transmission period.
In one embodiment, the number of wireless data packets is less than or equal to the number of channels.
In one embodiment, the method further comprises:
and the frequency information updating module is used for receiving feedback signals returned by the devices and updating the frequency information of the multichannel audio signals according to the feedback signals.
In one embodiment, the frequency information updating module includes:
and the receiving submodule is used for receiving a feedback signal returned by the equipment in a reserved time period in the transmission period.
In one embodiment, the method further comprises:
and the preset times determining module is used for determining the preset times according to the transmission period and the delay time of the at least two data packets.
In a third aspect, an electronic device is provided, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of the above.
In a fourth aspect, there is provided a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method of any one of the above.
The application adopts the technical scheme and has the following advantages: since the transmitting end (e.g., a speaker) distributes the multichannel audio signal among at least two wireless data packets before transmitting it, the step of transmitting the at least two wireless data packets to the plurality of devices (e.g., the plurality of speakers) in the transmission sequence is repeatedly performed a predetermined number of times in the transmission period until all the wireless data packets are received by the plurality of devices. Because multichannel audio signal is divided into a plurality of wireless data packets, a plurality of wireless data packets are sent according to the transmission sequence, and a plurality of wireless data packets are repeatedly sent, the loss of multichannel audio signal in the transmission process is effectively avoided, meanwhile, the mutual interference among multichannel audio signals is effectively reduced, and the synchronism is better realized. In the transmission period, the more the preset times of repeatedly sending a plurality of wireless data packets, the better the anti-interference effect, and the better the loss of the audio signal can be avoided.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope. The drawings are for better understanding of the present solution and do not constitute a limitation of the present application. Wherein:
fig. 1 is a schematic diagram of a speaker system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a wireless signal transmission method according to an embodiment of the present application;
fig. 3 is a timing diagram of wireless signal transmission according to an embodiment of the present application;
fig. 4 is a block diagram of a wireless signal transmission device according to another embodiment of the present application;
fig. 5 is a block diagram of an electronic device for implementing a wireless signal transmission method according to an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
As shown in fig. 1, in the speaker system, a sound box, a center channel speaker, a subwoofer speaker, a left channel speaker, a right channel speaker, a surround left channel speaker, a surround right channel speaker, a left rear channel speaker, a right rear channel speaker may be included. The center channel speaker is typically positioned near the cabinet. The loudspeaker box acquires multichannel audio signals and sends the multichannel audio signals to each loudspeaker for playing. For example, the left channel audio signal, the right channel audio signal, the surround left channel audio signal, the surround right channel audio signal, the rear left channel audio signal, the rear right channel audio signal, and the subwoofer audio signal are transmitted to respective speakers for playback. In order to better realize the synchronism of the audio signals played by the speakers, and simultaneously avoid the information loss caused by mutual interference among the multichannel audio signal transmission. The embodiment provides a wireless signal transmission method, which is not only applied to a loudspeaker system, but also applied to a transmission process of video signals and the like, and can effectively avoid information loss caused by mutual interference during wireless signal transmission and ensure the synchronism of wireless signals.
As shown in fig. 2, in this embodiment, a speaker system is taken as an example, and a wireless signal transmission method is provided, which includes:
step S110: acquiring multichannel audio signals and distributing the multichannel audio signals into at least two wireless data packets;
step S120: setting the transmission sequence of at least two wireless data packets, and transmitting the at least two wireless data packets to a plurality of corresponding devices according to the transmission sequence;
step S130: and repeatedly executing the step of transmitting at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times in the transmission period.
In one example, a loudspeaker box serves as a transmitting end to transmit multichannel audio signals to multiple receiving ends, such as a center channel speaker, a subwoofer speaker, a left channel speaker, a right channel speaker, a surround left channel speaker, a surround right channel speaker, a left rear channel speaker, a right rear channel speaker, and the like. The number of channels can be adaptively adjusted according to the number of receiving terminals. In this embodiment, the multi-channel audio signal may include a left channel audio signal, a surround left channel audio signal, a left rear channel audio signal, a subwoofer audio signal, a right channel audio signal, a surround right channel audio signal, a right rear channel audio signal, and a subwoofer audio signal.
The aforementioned multichannel audio signal is distributed among at least two wireless data packets. For example, a left channel audio signal, a surround left channel audio signal, a left rear channel audio signal, and a subwoofer audio signal are allocated in a first packet, and a right channel audio signal, a surround right channel audio signal, a right rear channel audio signal, and a subwoofer audio signal are allocated in a second packet. Of course, other allocations are possible, for example, a left channel audio signal, a right channel audio signal are allocated in the first packet, a surround left channel audio signal, a surround right channel audio signal are allocated in the second packet, and a left rear channel audio signal, a right rear channel audio signal, and a subwoofer audio signal are allocated in the third packet. The number of wireless data packets can be adaptively adjusted according to the requirements, and the number of the wireless data packets is within the protection scope of the embodiment.
Then, setting the transmission sequence of at least two wireless data packets, for example, when two wireless data packets exist, the transmission sequence is that a first data packet is sequentially sent next to a second data packet; when three wireless data packets exist, the transmission sequence is that the first data packet, the second data packet and the third data packet are sequentially transmitted. In a transmission period, the step of sending at least two wireless data packets to a plurality of devices according to the transmission sequence is repeatedly executed according to the preset times until all the data packets are received by the plurality of devices (for example, speakers), and the synchronization processing is performed on all the data packets, so that the synchronization of the speaker playing is improved.
The preset number of times may generally be determined based on the transmission period and the delay of at least two data packets. The preset number of times may be only one if the required transmission period (delay) is the shortest. For example, when there are two data packets, the sound box is sent once according to the mode that the first data packet and the second data packet are sequentially sent. When three data packets exist, the sound box is sent once according to the mode that the first data packet, the second data packet and the third data packet are sequentially sent. The smaller the preset number, the shorter the transmission period. If the required transmission period (delay) does not need to be shortest, the preset number of times may be two or more times, and the adaptation is performed according to the actual situation. After all wireless data packets are received by a plurality of loudspeakers in one period, the received audio signals can be synchronously processed, so that the synchronism of the playing of the audio signals is ensured.
In this embodiment, since the transmitting end (e.g., a speaker) distributes the multichannel audio signal among at least two wireless data packets before transmitting it, the step of transmitting the at least two wireless data packets to the plurality of devices (e.g., the plurality of speakers) in the transmission order is repeatedly performed a predetermined number of times in the transmission period until all the wireless data packets are received by the plurality of devices. Because multichannel audio signal is divided into a plurality of wireless data packets, a plurality of wireless data packets are sent according to the transmission sequence, and a plurality of wireless data packets are repeatedly sent, the loss of multichannel audio signal in the transmission process is effectively avoided, meanwhile, the mutual interference among multichannel audio signals is effectively reduced, and the synchronism is better realized. In the transmission period, the more the preset times of repeatedly sending a plurality of wireless data packets, the better the anti-interference effect, and the better the loss of the audio signal can be avoided.
In one embodiment, the number of wireless data packets is less than or equal to the number of lanes.
In an example, the sound box sends the multi-channel audio signals to the corresponding speakers respectively, each channel audio signal corresponds to one speaker, the number of wireless data packets can be smaller than or equal to the number of channels, and in order to improve the transmission efficiency, the number of wireless data packets can be smaller.
In one embodiment, further comprising:
step S140: and receiving feedback signals returned by all the devices, and updating channel information of the multichannel audio signals according to the feedback signals. Or send control signals to all devices to control the radio channels used in the transmission.
In one example, the loudspeaker box receives feedback signals returned by each loudspeaker, and the feedback signals can indicate whether wireless data packets containing audio signals are sent to the loudspeaker or not and the success rate of receiving the used wireless channels, so that the sending end can judge the interference condition of each wireless channel and select the optimal wireless channel. And updating the wireless channel information of the subsequent multi-channel audio signal according to the feedback signal. For example, if the radio channels corresponding to the packets of the left channel audio signal, the right channel audio signal, and the surrounding left channel audio signal are 2405Mhz, 2445Mhz, and 2475Mhz, respectively, when the feedback information returned by the right channel speaker indicates that the radio reception condition of 2445Mhz is poor, the sound box modifies the subsequent packet transmitted using the radio channel 2445Mhz to be transmitted using the 2435Mhz radio channel according to the feedback information.
In one embodiment, receiving feedback signals returned by each device includes:
and receiving a feedback signal returned by one device in a reserved time period in the transmission period.
In one example, since the time remaining after transmitting the plurality of wireless data packets in each transmission period is not large, the remaining time is reserved as a reserved time period in the transmission period, and a feedback signal returned by one speaker can be received, and the plurality of speakers are received in the plurality of transmission periods when the plurality of speakers return the feedback control signal. For example, in a reserved time period of the first transmission period, the subwoofer speaker sends a feedback signal to the sound box. And in the reserved time period of the second transmission period, the left channel loudspeaker of the second period sends a feedback signal to the sound box. And in the reserved time period of the third transmission period, the right channel loudspeaker sends a feedback signal to the sound box. And in the reserved time period of the fourth transmission period, the speaker of the right back channel sends a feedback signal to the sound box, and so on.
As shown in fig. 3, when the sound box transmits two wireless data packets, and the preset times are three times, the transmission process is as follows: the method comprises the steps of firstly sending a first data packet F1 and a second data packet F2, secondly sending the first data packet F1 and the second data packet F2, thirdly sending the first data packet F1 and the second data packet F2, then receiving a control data packet R or sending a control data packet C, wherein the control data packet R comprises a channel use state feedback signal returned by equipment, and the control data packet C comprises updated wireless channel information. Because there is only one control opportunity per cycle, the control of the whole system is achieved by a plurality of cycles, for example, the first cycle left speaker sends a feedback packet R, the second cycle right speaker sends a feedback packet R, and so on, the eighth cycle speaker sends a control packet C to all devices. Alternatively, the feedback packets R may be sent alternately, for example, the first periodic left speaker sends a control packet R, the second periodic center speaker sends a control packet C, the third periodic right speaker sends a feedback packet R, the fourth periodic center speaker sends a control packet C, and so on. The selection of a new radio channel inside the control packet C depends on the information of all feedback packets R received before the center speaker.
In one embodiment, further comprising:
step S100: and determining the preset times according to the transmission period and the delay of at least two data packets.
In one example, if the delay needs to be reduced in the actual situation, that is, a shorter transmission period is determined, and at the same time, the delay of at least two wireless data packets in the transmission period is determined, a preset number of times is determined according to the transmission period and the delay of at least two wireless data packets. The balance between the delay (transmission period) of the audio signal and the repeated transmission of the wireless data packets for preset times is achieved, so that reasonable delay time can be ensured, and meanwhile, information loss can be well avoided.
As shown in fig. 4, the present embodiment provides a wireless signal transmission apparatus, including:
an audio signal distribution module 110, configured to obtain a multichannel audio signal, and distribute the multichannel audio signal in at least two wireless data packets;
a packet transmission sequence setting module 120, configured to set a transmission sequence of at least two wireless packets, and send the at least two wireless packets to a plurality of devices according to the transmission sequence;
the packet repetition transmission module 130 is configured to repeatedly perform the step of transmitting at least two wireless packets to the plurality of devices in the transmission sequence according to the preset number of times in the transmission period.
In one embodiment, the number of wireless data packets is less than or equal to the number of lanes.
In one embodiment, the method further comprises:
and the frequency information updating module is used for receiving feedback signals returned by all the devices, updating channel information of the multichannel audio signals according to the feedback signals, or sending control signals to all the devices to control wireless channels used in transmission.
In one embodiment, the frequency information updating module includes:
and the receiving submodule is used for receiving a feedback signal returned by one device in a reserved time period in the transmission period.
In one embodiment, the method further comprises:
the preset times determining module is used for determining preset times according to the transmission period and the delay time of at least two data packets.
The functions of each module in each apparatus of the embodiments of the present application may be referred to the corresponding descriptions in the above methods, which are not described herein again.
According to embodiments of the present application, an electronic device and a readable storage medium are also provided.
As shown in fig. 5, a block diagram of an electronic device according to a wireless signal transmission method according to an embodiment of the present application is shown. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the application described and/or claimed herein.
As shown in fig. 5, the electronic device includes: one or more processors 501, memory 502, and interfaces for connecting components, including high-speed interfaces and low-speed interfaces. The various components are interconnected using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions executing within the electronic device, including instructions stored in or on memory to display graphical information of a graphical user interface (Graphical User Interface, GUI) on an external input/output device, such as a display device coupled to the interface. In other embodiments, multiple processors and/or multiple buses may be used, if desired, along with multiple memories and multiple memories. Also, multiple electronic devices may be connected, each providing a portion of the necessary operations (e.g., as a server array, a set of blade servers, or a multiprocessor system). One processor 501 is illustrated in fig. 5.
The memory 502 is used as a non-transitory computer readable storage medium for storing non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to a wireless signal transmission method in the embodiments of the present application. The processor 501 executes various functional applications of the server and data processing by running non-transitory software programs, instructions and modules stored in the memory 502, i.e., implements a wireless signal transmission method in the above-described method embodiments.
The electronic device may further include: an input device 503 and an output device 504. The processor 501, memory 502, input devices 503 and output devices 504 may be connected by a bus or otherwise, for example in fig. 5.
The input device 503 may receive input numeric or character information and generate key signal inputs related to user settings and function controls of the electronic device described above, such as a touch screen, keypad, mouse, trackpad, touchpad, pointer stick, one or more mouse buttons, trackball, joystick, and like input devices. The output devices 504 may include a display device, auxiliary lighting devices (e.g., LEDs), and haptic feedback devices (e.g., vibration motors), among others. The display device may include, but is not limited to, a Liquid Crystal Display (LCD), a light emitting diode (Light Emitting Diode, LED) display, and a plasma display. In some implementations, the display device may be a touch screen.
Various implementations of the systems and techniques described here can be implemented in digital electronic circuitry, integrated circuitry, application specific integrated circuits (Application Specific Integrated Circuits, ASIC), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
These computing programs (also referred to as programs, software applications, or code) include machine instructions for a programmable processor, and may be implemented in a high-level procedural and/or object-oriented programming language, and/or in assembly/machine language. As used herein, the terms "machine-readable medium" and "computer-readable medium" refer to any computer program product, apparatus, and/or device (e.g., magnetic discs, optical disks, memory, programmable logic devices (programmable logic device, PLDs)) used to provide machine instructions and/or data to a programmable processor, including a machine-readable medium that receives machine instructions as a machine-readable signal. The term "machine-readable signal" refers to any signal used to provide machine instructions and/or data to a programmable processor.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., CRT (Cathode Ray Tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local area network (Local Area Network, LAN), wide area network (Wide Area Network, WAN) and the internet.
The computer system may include a client and a server. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present application may be performed in parallel, sequentially, or in a different order, provided that the desired results of the technical solutions disclosed in the present application can be achieved, and are not limited herein.
The above embodiments do not limit the scope of the application. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (8)
1. A wireless signal transmission method, comprising:
acquiring multichannel audio signals, and distributing the multichannel audio signals into at least two wireless data packets, wherein the number of channels is adapted to the number of signal receiving equipment, and the number of the wireless data packets is smaller than the number of channels;
setting the transmission sequence of the at least two wireless data packets, and transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence;
receiving feedback signals returned by the devices, updating channel information of the multichannel audio signals according to the feedback signals, or sending control signals to all the devices to control wireless channels used in transmission;
receiving feedback signals returned by the devices, wherein the feedback signals comprise:
receiving a feedback signal returned by the equipment in a reserved time period in the transmission period;
and in the transmission period, repeatedly executing the step of transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times.
2. The method of claim 1, wherein the number of wireless data packets is equal to the number of lanes.
3. The method as recited in claim 1, further comprising:
and determining the preset times according to the transmission period and the time delay of the at least two wireless data packets.
4. A wireless signal transmission apparatus, comprising:
the audio signal distribution module is used for acquiring multichannel audio signals and distributing the multichannel audio signals into at least two wireless data packets, the number of channels is adaptive to that of signal receiving equipment, and the number of the wireless data packets is smaller than that of the channels;
a data packet transmission sequence setting module, configured to set a transmission sequence of the at least two wireless data packets, and send the at least two wireless data packets to a plurality of devices according to the transmission sequence;
the frequency information updating module is used for receiving feedback signals returned by the devices and updating the frequency information of the multichannel audio signals according to the feedback signals;
the frequency information updating module comprises:
a receiving sub-module, configured to receive a feedback signal returned by the device in a reserved period in the transmission period;
and the data packet repeated transmission module is used for repeatedly executing the step of transmitting the at least two wireless data packets to a plurality of devices according to the transmission sequence according to the preset times in the transmission period.
5. The apparatus of claim 4, wherein the number of wireless data packets is equal to the number of lanes.
6. The apparatus as recited in claim 4, further comprising:
and the preset times determining module is used for determining the preset times according to the transmission period and the delay time of the at least two data packets.
7. An electronic device, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-3.
8. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1-3.
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| WO2020063062A1 (en) * | 2018-09-30 | 2020-04-02 | Oppo广东移动通信有限公司 | Device connection method and apparatus, electronic device, and computer-readable medium |
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