TWM547789U - Wireless broadcasting speaker system and broadcasting host - Google Patents

Abstract

A broadcasting host is provided in the present disclosure for communication with a plurality of receiving devices through a preset protocol. The broadcasting host includes an input module for receiving an input audio signals, a channel signal scanning module for scanning a plurality of channels for determining the signal intensity of each channel and providing a channel signal intensity result, a channel determining module for providing a channel determining signal according to the channel signal intensity result, a channel selecting module for selecting a transmitting channel according to the channel determining signal to transmitting the output audio signal, and an antenna module for transmitting the output audio signals and receiving a notice signal.

Description

Wireless broadcast speaker system and broadcast host device

The present invention is to provide a wireless broadcast speaker system, and more particularly to a wireless broadcast speaker system having a plurality of receiving devices.

The audio system has long used wired transmission for audio transmission. However, the rapid development of wireless transmission technology allows the audio system to transmit moving sounds wirelessly. However, the current Bluetooth speaker is equipped with the audio playback host's playback system, but because of the limit of the number of Bluetooth communication methods and the limitation of the size of the setting area, the problem of the number of speakers and the limitation of the location cannot be realized in real time.

How to provide an audio playback system that can be set without increasing the size of the area and adding a large number of speaker devices is obviously an important issue in the industry.

The present creative embodiment provides a wireless broadcast speaker system. The wireless broadcast speaker system includes: a broadcast host device and a plurality of receiving devices. The broadcast host device is configured to receive an input audio signal and convert the audio signal into a wireless output audio signal. The broadcast host device includes: an input module for receiving the input audio signal; and an audio signal processing module for processing the input audio signal Various audio features for an optimized process; a channel signal strength scan module for scanning a plurality of transmittable The wireless signal channel determines the signal strength of the plurality of wireless signal channels and provides a channel signal intensity distribution judgment result; an available channel determination module provides a channel determination signal according to the channel signal intensity distribution judgment result; a transmission channel selection The module is configured to receive a channel determination signal, and select at least one wireless signal channel as a transmission channel of the wireless output audio signal according to the channel determination signal; and a wireless transmission receiving module configured to convert the output audio signal into a wireless output audio signal; And an antenna module for transmitting a wireless output audio signal or receiving a notification signal. Each receiving device includes: an antenna module for receiving a wireless output audio signal; a wireless transmitting and receiving module for converting the wireless output audio signal to a receiving end audio signal; and a signal processing module for receiving An audio program performs an optimization process for each audio feature; and a speaker module that plays the audio signal of the receiving end processed by the signal processing module.

The broadcast host device further includes: a transmit power adjustment module, configured to determine a power of the wireless output audio signal according to a signal interference degree of the at least one wireless signal channel.

The broadcast host device and the plurality of receiving devices perform signal transmission by using a predetermined communication protocol.

Each receiving device further includes a data analysis module for analyzing a channel switching signal of the wireless output audio signal, and a receiving channel switching module for switching the wireless signal channel according to the channel switching signal.

The data analysis module is configured to determine whether the wireless output audio signal is missing.

The receiving device further includes: a signal processing module for performing an optimization process on the receiving end audio signal; and a digital analog conversion module, converting the output audio signal into an analog output audio signal, and then passing The speaker module plays an analog audio signal in analog form.

The present embodiment further provides a broadcast host device for performing signal transmission with a plurality of receiving devices in a predetermined communication protocol. The broadcast host device includes: An input module for receiving an input audio signal; an audio signal processing module for processing various audio characteristics of the input audio signal for optimization; a channel signal intensity scanning module for scanning and transmitting a plurality of wireless signal channels for determining the signal strength of the plurality of wireless signal channels and providing a channel signal intensity distribution judgment result; an available channel determination module providing a channel determination signal according to the channel signal intensity distribution judgment result; The transmission channel selection module is configured to receive the channel determination signal, and select at least one wireless signal channel as a transmission channel of the wireless output audio signal according to the channel determination signal; and a wireless transmission receiving module configured to wirelessly transmit the wireless output audio signal And an antenna module for transmitting a wireless form to output an audio signal or receiving a notification signal.

The method further includes a transmit power adjustment module, configured to determine a power of the wireless output audio signal according to a signal interference degree of the at least one wireless signal channel.

Each receiving device includes: an antenna module for receiving an output audio signal in a wireless form; a wireless transmission receiving module for converting an output audio signal in a wireless form to output an audio signal; and a signal processing module, An optimization program for performing various audio characteristics of the output audio signal; and a speaker module for playing the output audio signal processed by the signal processing module.

Each receiving device further includes: a data analysis module, configured to analyze a channel switching signal of the audio signal at the receiving end, and determine whether the audio signal of the receiving end is missing; and a receiving channel switching module, configured to be used according to the channel Switch the signal to switch the wireless signal channel.

The present creative embodiment provides a wireless broadcast speaker system. The wireless broadcast speaker system includes: a broadcast host device and a receiving device. The broadcast host device is configured to receive an input audio signal and convert it into an output audio signal. The broadcast host device includes: an input module for receiving the input audio signal; and an audio signal processing module for processing the input audio signal. Various audio characteristics for optimal processing; a channel signal intensity scanning module for scanning a plurality of wireless signal channels that can be transmitted to determine signal strength of a plurality of wireless signal channels and providing a channel signal The intensity distribution judgment result; an available channel judging module provides a channel judging signal according to the channel signal intensity distribution judgment result; a transmission channel selection module is configured to receive the channel judging signal, and select at least one radio signal according to the channel judging signal The channel serves as a transmission channel for outputting an audio signal; a wireless transmission receiving module for transmitting and outputting audio signals in a wireless manner; and an antenna module for transmitting a wireless form to output an audio signal or receiving a notification signal. Each receiving device includes: an antenna module for receiving an output audio signal in a wireless form; a wireless transmitting and receiving module for converting an output audio signal in a wireless form to output an audio signal; and a signal processing module for An optimization process is performed for various audio characteristics of the output audio signal; and a speaker module plays the output audio signal processed by the signal processing module.

In summary, in the wireless broadcast speaker system of the present embodiment, the broadcast host device transmits signals by using a wireless communication method and a plurality of wireless speaker devices. Therefore, the number of wireless speaker devices can be continuously increased, and the wireless speaker device can be wirelessly implemented according to actual needs. The position of the horn device is not limited by the quantity, and it is not limited by the length of the wire. In a large area, such as a hypermarket, a stadium, the way of setting the sound system can be more flexible, without the need for wire, space and Speaker power limit.

The above description of the present invention and the following description of the embodiments are provided to illustrate and explain the principles of the present invention, and to provide further explanation of the scope of the patent application of the present invention.

1‧‧‧Wireless radio speaker system

10‧‧‧Broadcast host device

21, 22, 23, 24, 25‧‧‧ wireless speaker devices

101‧‧‧ input module

102‧‧‧Audio signal processing module

103‧‧‧Send channel selection module

104‧‧‧Transmission power adjustment module

105, 212‧‧‧Wired transmission receiving module

106, 211‧‧‧ antenna module

107‧‧‧Channel Signal Strength Scanning Module

108‧‧‧Available channel judgment module

213‧‧‧Data Analysis Module

214‧‧‧Signal Processing Module

215‧‧‧Digital analog conversion module

216‧‧‧Amplification module

217‧‧‧ speaker module

218‧‧‧ Receiving channel switching module

Sin‧‧‧ input audio signal

Sout‧‧‧Wireless output audio signal

FIG. 1 is a schematic diagram of a wireless broadcast speaker system according to an embodiment of the present invention.

2 is a schematic diagram of a broadcast host device according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of a wireless speaker device according to an embodiment of the present invention.

Various illustrative embodiments are described more fully hereinafter with reference to the accompanying drawings. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this description will be thorough and complete, and the scope of the inventive concept will be fully conveyed to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Similar numbers always indicate similar components.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, such elements are not limited by the terms. These terms are used to distinguish one element from another. Thus, a first element discussed below could be termed a second element without departing from the teachings of the inventive concept. As used herein, the term "and/or" includes any of the associated listed items and all combinations of one or more.

The wireless broadcast speaker system will be described below with reference to the drawings in at least one embodiment. However, the following embodiments are not intended to limit the disclosure.

[Embodiment of the present wireless radio speaker system]

Please refer to FIG. 1. FIG. 1 is a schematic diagram of a wireless broadcast speaker system according to an embodiment of the present invention.

In this embodiment, the wireless broadcast speaker system 1 includes a broadcast host device 10 and a plurality of receiving devices. In this embodiment, the wireless broadcast speaker system 1 includes a first wireless speaker device 21, a second wireless speaker device 22, a third wireless speaker device 23, a fourth wireless speaker device 24, and a fifth wireless speaker device. 25. That is, a broadcast host device transmits wireless output audio signals to the first wireless speaker device 21, the second wireless speaker device 22, the third wireless speaker device 23, the fourth wireless speaker device 24, and the fifth wireless speaker device 25. After the first wireless horn device 21, the second wireless horn device 22, the third wireless horn device 23, the fourth wireless horn device 24, and the fifth wireless horn device 25 receive the wireless output audio signal transmitted by the broadcast host device 10, Convert it to a receiving end audio signal, and then play it out after the audio signal processing.

Please refer to FIG. 2 and FIG. 3. FIG. 2 is a schematic diagram of a broadcast host device according to an embodiment of the present invention. FIG. 3 is a schematic diagram of a wireless speaker device according to an embodiment of the present invention.

In this embodiment, the broadcast host device 10 includes an input module 101, an audio signal processing module 102, a transmission channel selection module 103, a transmission power adjustment module 104, a wireless transmission receiving module 105, and a day. The line module 106, the channel signal strength scanning module 107 and an available channel determining module 108.

In this embodiment, the input module 101 is connected to the audio signal processing module 102. The audio signal processing module 102 is connected to the transmission channel selection module 103. The transmission channel selection module 103 is connected to the transmission power adjustment module 104 and the available channel determination module 108. The transmission power adjustment module 104 is connected to the wireless transmission and reception module 105. The wireless transmission receiving module 105 is connected to the antenna module 106 and the channel signal intensity scanning module 107. The channel signal strength scanning module 107 is coupled to the available channel determination module 108.

The input module 101 is configured to receive an input audio signal Sin transmitted from the outside. In this embodiment, the input module 101 can receive a microphone audio signal and a music signal. The audio signal processing module 102 is configured to process analysis and optimization of various audio characteristics of the input audio signal Sin. The sending channel selection module 103 is configured to select a wireless signal channel suitable for the broadcast host device 10 to transmit signals in a plurality of wireless signal channels capable of transmitting audio signals. In this embodiment, at least two or more wireless signal channels are available for the wireless signal channel that can transmit the audio signal. The transmit power adjustment module 104 determines the power level of the wireless signal channel selected by the transmission channel selection module 103, that is, the degree of signal interference of the wireless signal channel, and determines the power level when the audio signal is transmitted. The wireless transmission receiving module 105 is configured to convert the signal format of the input audio signal Sin into a wireless signal transmission format. In this embodiment, the wireless transmission receiving module 105 is a wireless communication module. In this embodiment, the wireless transmission receiving module 105 may be a wireless communication module in which the designer defines the transmission signal format or the communication protocol, and the signal format or the communication protocol is not limited in the present creation. The antenna module 106 is for transmitting or receiving wireless signals. In this embodiment, The antenna module 106 is configured to send a wireless output audio signal Sout or receive a notification signal.

The channel signal strength scanning module 107 is configured to scan the signal strengths of the plurality of wireless signal channels capable of transmitting audio signals to provide a channel signal strength distribution determination result to the available channel determining module 108. The available channel judging module 108 determines which wireless signal channel is available according to the channel signal intensity distribution judgment result provided by the channel signal strength scanning module 107, and provides a channel judging signal to the transmission channel selecting module 103. The transmit channel selection module 103 selects at least one wireless signal channel according to the channel determination signal.

In this embodiment, after the input module 101 receives an input audio signal Sin, it will transmit it to the audio signal processing module 102 for processing the audio characteristics. The input audio signal Sin after the audio characteristic processing program of the audio signal processing module 102 is transmitted through the wireless transmission receiving module 105 and the antenna module 106 via the wireless signal channel selected by the transmission channel selection module 103.

In this embodiment, the channel signal strength scanning module 107 first performs signal scanning on a plurality of wireless signal channels that can currently transmit wireless audio signals, that is, the current environment is received through the wireless transmission receiving module 105 and the antenna module 106. Wireless communication signals of a plurality of wireless signal channels. Since wireless signals are now immersed in the environment, the interference to wireless transmissions is relatively much improved. Therefore, the channel signal strength scanning module 107 first scans a plurality of wireless signal channels that can currently transmit wireless audio signals to determine the current wireless signal intensity distribution of the plurality of wireless signal channels, and provides a wireless signal intensity distribution judgment result. The channel determination module 108 is available. The available channel determination module 108 provides a channel determination signal to the transmission channel selection module 103 according to the channel signal intensity distribution determination result. That is, the available channel determination module 108 selects at least one available wireless signal channel to the transmission channel selection module 103 according to the channel signal intensity distribution determination result. The available channel determination module 108 can also provide an available wireless signal channel sequence table to the transmit channel selection module 103. The transmit channel selection module 103 can be available in this time interval, according to available The wireless signal channel sequence table sequentially transmits wireless audio signals using the wireless signal channels in the available wireless serial number channel sequence table. In this embodiment, the channel signal strength scanning module 107 performs signal scanning on a plurality of wireless signal channels in the current environment at predetermined intervals to periodically update the channel signal intensity distribution judgment result to select the transmission channel. The module 103 can always transmit the wireless output audio signal Sout with a wireless signal channel with less interference.

In this embodiment, the structures and functions of the first wireless horn device 21, the second wireless horn device 22, the third wireless horn device 23, the fourth wireless horn device 24, and the fifth wireless horn device 25 are the same, therefore, the following The first wireless horn device 21 is taken as an example for description. The structure and function of other wireless horn devices are not described herein.

The first wireless speaker device 21 includes an antenna module 211, a wireless transmission receiving module 212, a data analysis module 213, a signal processing module 214, a digital analog conversion module 215, an amplification module 216, and a The speaker module 217 and a receiving channel switching module 218.

The antenna module 211 of the first wireless horn device 21 is configured to receive the wireless output audio signal Sout. The wireless transmission receiving module 212 converts the received wireless output audio signal Sout from a wireless signal transmission format to a receiving end audio signal, that is, a digital format audio signal that can perform an audio processing program. The data analysis module 213 is configured to determine whether there is data missing in the audio signal of the receiving end (the audio signal in the digital format). If the data analysis module 213 determines that the received audio signal of the receiving end is missing, it will be muted in the playing time interval of the missing partial audio signal, that is, the first wireless wireless speaker device 21 will not play any audio signal. And the wireless transmission receiving module 212 and the antenna module 211 transmit a channel switching signal to the broadcast host device 10 to notify the broadcast host device 10 that there is a missing data, and the broadcast host device 10 is alerted to increase power or switch wireless. Signal channel.

The signal processing module 214 optimizes the audio characteristics of the receiving end audio signal confirmed by the data analysis module 213, that is, the audio signal of the receiving end. Take an optimized program. The optimized signal processing module 214 is further provided to the digital analog conversion module 215. The digital analog conversion module 215 is a receiving end audio signal for converting the receiving end audio signal from the digital format to the analog format, and the audio signal is amplified by the amplifying module 216, and then played by the speaker module 217.

In this embodiment, the receiving channel switching module 218 is based on a receiving channel information parsed by the data analyzing module 213, that is, the broadcast host device 10 detects the wireless signal currently transmitting the wireless audio signal after scanning a plurality of wireless signal channels. The signal interference of the channel is very large, that is, it is not clean enough. Therefore, another wireless signal channel with less signal interference is selected as the transmission channel. At the same time, the broadcast host device will switch to the wireless signal channel. The wireless signal channel is used to notify each wireless speaker device. For example, the data analysis module 213 of the first wireless horn device 21 parses the wireless signal channel to be used from the wireless output audio signal or the converted receiving audio signal, and notifies the receiving channel to switch. The module switches the wireless output audio signal Sout sent by the broadcast host device by switching the wireless signal channel to be used.

In the present embodiment, the broadcast host device 10 and the wireless horn device 21-25 perform signal transmission between each other by wireless communication, and the number of wireless horn devices can be increased without an upper limit. Therefore, the number of wireless speaker devices is not limited in this creation. However, in the present embodiment, since the broadcast host device 10 and the wireless speaker devices 21-25 perform signal transmission with each other by wireless communication, the communication protocol between each other is a predetermined communication protocol.

[Possible effects of the examples]

In summary, in the wireless broadcast speaker system of the present embodiment, the broadcast host device transmits signals by using a wireless communication method and a plurality of wireless speaker devices. Therefore, the number of wireless speaker devices can be increased without an upper limit, and can be adjusted according to actual needs. The position setting of the wireless horn device is not limited by the number, and is not limited by the length of the wire. The way of setting the sound system in a larger area can also be more flexible, such as a hypermarket, a stadium, etc., without the need for wire. Space and speaker work Rate limit.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the patent of the present invention.

1‧‧‧Wireless radio speaker system

10‧‧‧Broadcast host device

21, 22, 23, 24, 25‧‧‧ wireless speaker devices

Claims (11)

A radio broadcast speaker system includes: a broadcast host device for receiving an input audio signal and converting it into a wireless output audio signal, the broadcast host device comprising: an input module for receiving the input audio signal; an audio a signal processing module for processing various audio characteristics of the input audio signal for performing an optimization process; a channel signal intensity scanning module for scanning a plurality of wireless signal channels that can be transmitted to determine the plurality of The signal strength of the wireless signal channel, and provides a channel signal strength distribution judgment result; an available channel determination module provides a channel determination signal according to the signal strength distribution judgment result of the channel; and a transmission channel selection module that connects the audio signal The processing module is configured to receive the channel determination signal, and select at least one wireless signal channel as the transmission channel of the wireless output audio signal according to the channel determination signal; and a wireless transmission receiving module configured to convert the input audio signal into a Wireless output audio signal; and an antenna module to connect the wireless a receiving and receiving module, configured to send the wireless output audio signal or receive a notification signal; and a plurality of receiving devices, wherein each of the receiving devices comprises: an antenna module, configured to receive the wireless output audio signal in a wireless form a wireless transmission receiving module for converting the wireless output audio signal to a receiving end audio signal; a signal processing module for performing an optimization procedure for various audio characteristics of the receiving end audio signal; The speaker module plays the audio signal of the receiving end processed by the signal processing module. The wireless broadcast speaker system of claim 1, wherein the broadcast host The device further includes: a transmit power adjustment module, configured to determine a power of the wireless output audio signal according to a signal interference degree of the at least one wireless signal channel. The radio broadcast speaker system of claim 1, wherein the broadcast host device and the plurality of receiving devices transmit signals by using a predetermined communication protocol. The wireless broadcast speaker system of claim 1, wherein each of the receiving devices further comprises: a data analysis module for analyzing a channel switching signal of the wireless output audio signal; and a receiving channel switching module For switching the wireless signal channel according to the channel switching signal. The wireless broadcast speaker system of claim 4, wherein the data analysis module is configured to determine whether the wireless output audio signal is missing. The wireless broadcast speaker system of claim 4, wherein the receiving device further comprises: a signal processing module for performing an optimization process on the audio signal of the receiving end; and a digital analog conversion module, Converting the audio signal of the receiving end to an analog audio signal of the analog type, and playing the analog audio signal of the analog type through the speaker module. A broadcast host device for transmitting signals to a plurality of receiving devices by using a predetermined communication protocol, the broadcast host comprising: an input module for receiving an input audio signal; and an audio signal processing module for processing The audio characteristics of the input audio signal are optimized for processing; the one-channel signal strength scanning module is configured to scan a plurality of wireless signal channels that can be sent to determine the signal strength of the plurality of wireless signal channels, and Providing a channel signal strength distribution judgment result; An available channel judging module provides a channel judging signal according to the signal strength distribution judgment result of the channel; a transmitting channel selecting module is connected to the audio signal processing module for receiving the channel judging signal, and determining according to the channel The signal selects at least one wireless signal channel as a transmission channel of the wireless output audio signal; a wireless transmission receiving module for converting the input audio signal to the wireless output audio signal; and an antenna module connected to the wireless transmission receiving mode The group is configured to send the wireless output audio signal or receive a notification signal. The broadcast host device of claim 7, further comprising: a transmit power adjustment module, configured to determine a power of the wireless output audio signal according to a signal interference degree of the at least one wireless signal channel. The broadcast host device of claim 7, wherein each of the receiving devices comprises: an antenna module for receiving the wireless output audio signal; and a wireless transmission receiving module for converting the wireless output audio signal a receiving end audio signal; a signal processing module for performing an optimization process for various audio characteristics of the receiving end audio signal; and a speaker module for playing the receiving after being processed by the signal processing module End audio signal. The broadcast host device of claim 9, wherein each of the receiving devices further comprises: a data analysis module, configured to analyze a channel switching signal of the audio signal of the receiving end, and determine whether the audio signal of the receiving end is There is a missing gap; and a receiving channel switching module for switching the wireless signal channel according to the channel switching signal. A wireless broadcast speaker system comprising: a broadcast host device for receiving an input audio signal for conversion to a wireless output audio signal, the broadcast host device comprising: an input module for receiving the input audio signal; and an audio signal processing module for processing The audio characteristics of the input audio signal are optimized for processing; the one-channel signal strength scanning module is configured to scan a plurality of wireless signal channels that can be sent to determine the signal strength of the plurality of wireless signal channels, and Providing a channel signal strength distribution judgment result; an available channel judging module provides a channel judging signal according to the channel signal intensity distribution judgment result; a transmission channel selection module is connected to the audio signal processing module for receiving the Channel determining signal, and selecting at least one wireless signal channel as a transmission channel of the wireless output audio signal according to the channel determination signal; a wireless transmission receiving module for converting the input audio signal into a wireless output audio signal; and an antenna a module connected to the wireless transmission receiving module for transmitting the wireless Receiving an audio signal or receiving a notification signal; and a receiving device, comprising: an antenna module for receiving the wireless output audio signal; and a wireless transmission receiving module for converting the wireless output audio signal to a receiving end An audio signal; a signal processing module for performing an optimization process for various audio characteristics of the audio signal of the receiving end; and a speaker module for playing the audio signal of the receiving end processed by the signal processing module.