CN108833045B - Wireless multi-terminal control audio broadcasting system and data processing method thereof - Google Patents
Wireless multi-terminal control audio broadcasting system and data processing method thereof Download PDFInfo
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- CN108833045B CN108833045B CN201810663172.5A CN201810663172A CN108833045B CN 108833045 B CN108833045 B CN 108833045B CN 201810663172 A CN201810663172 A CN 201810663172A CN 108833045 B CN108833045 B CN 108833045B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/90—Wireless transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The invention discloses a wireless multi-terminal control audio broadcasting system and a data processing method thereof, wherein the method comprises the following steps: step S1, the transmitting terminal obtains audio signals and corresponding control commands through the self-contained functional module, and the audio signal control commands are transmitted through wireless carriers after being coded; step S2, the transmitting terminal sends the audio signal control command to a receiving terminal in a wireless communication mode; step S3, the receiving end receives the audio signal and the control command and then realizes broadcast control through data processing; and step S4, the receiving end sends data to the transmitting end according to the control command and corresponding operation, so as to realize command transmission and state return. The invention adopts radio waves to transmit data, realizes honeycomb connection, greatly reduces installation engineering, reduces the total investment cost of projects, and has the advantages of convenient later maintenance and the like.
Description
Technical Field
The invention relates to the technical field of wireless cellular connection, in particular to a wireless multi-terminal control audio broadcasting system and a data processing method thereof.
Background
The existing wireless audio transmission equipment can not realize multi-port connection basically, and because the data flow of audio data transmission is large, the processing incompatibility caused by the simultaneous transmission of audio signals and data is difficult to solve. The original connecting cable mode used in the market broadcasting system and the park music playing system is easy to cause complex installation engineering, high engineering construction cost and difficult later maintenance.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide a wireless multi-terminal control audio broadcasting system and a data processing method thereof, which solve the problems of complex installation engineering, high engineering construction cost and difficult later maintenance caused by the way that the market broadcasting system and the park music playing system use original connecting cables in the prior art, greatly improve the quality and speed of data transmission, greatly reduce the installation engineering, reduce the total investment cost of the project and facilitate the later maintenance.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a data processing method of a wireless multi-terminal control audio broadcasting system comprises the following steps:
step S1, the transmitting terminal obtains audio signals and corresponding control commands through the self-contained functional module, and the audio signal control commands are transmitted through wireless carriers after being coded;
step S2, the transmitting terminal sends the audio signal control command to a receiving terminal in a wireless communication mode;
step S3, the receiving end receives the audio signal and the control command and then realizes broadcast control through data processing;
and step S4, the receiving end sends data to the transmitting end according to the control command and corresponding operation, so as to realize command transmission and state return.
Preferably, in the step S1, the source of the audio signal includes a microphone, an audio signal input, a third party audio source connection; the source of the control command comprises key control, voice input and sensor data acquisition.
Preferably, the audio signal and the data signal are transmitted by synchronous coding to improve the transmission speed; the transmitting terminal is provided with a plurality of different ID and carrier frequency channels to solve the same frequency interference of wireless communication; and the transmitting end and the receiving end are in wireless connection so as to save complex connecting cables.
Preferably, the data includes the data-processed audio signal and the control command.
Preferably, the audio signal and the control command belong to a simultaneous encoding and are transmitted in the form of data frames.
Preferably, in step S4, the receiving end sends data to the transmitting end according to the control command and the related operation, so as to implement command transmission and status feedback, thereby implementing human-computer interaction in the non-visual area status.
In order to solve the above technical problem, the present invention further provides a wireless multi-port control audio broadcasting system, including: the transmitting terminal is used for acquiring the audio signal and the corresponding control command and transmitting the audio signal and the control command to the receiving terminal through wireless communication; and the receiving end is used for receiving the audio signal and the control command, processing the audio signal according to the state of the control command and then outputting the processed audio signal so as to make a sound.
Preferably, the transmitting terminal acquires the audio signal and the control command through a corresponding functional module; the transmitting terminal transmits the audio signal and the control command in a wireless communication mode; the receiving end receives the audio signal and the control command and realizes broadcast control after data processing; the receiving end sends data to the transmitting end according to the control command and the related operation; the function is realized by a data interaction processing control circuit and a sensor interface circuit at a receiving end.
Preferably, the audio signal and the control command source acquired by the transmitting terminal comprise a sound pickup and a music playing source; the source of the control command comprises a manual instruction and a sensor; the audio signals acquired by the transmitting terminal are collected by an audio input processing circuit in the transmitting terminal.
Preferably, in step S2, the method further includes shaping the input signal by a first shaping circuit.
Preferably, in step S3, the method further includes shaping the target signal by a second shaping circuit and outputting the shaped target signal to a signal output circuit.
By adopting the technical scheme, the technical scheme aims to provide the wireless multi-terminal control audio broadcasting system and the data processing method thereof, and as the invention realizes multi-terminal wireless voice broadcasting control through wireless cellular connection, a transmitting terminal can automatically generate a rolling ID number and a rolling transmitting carrier frequency band; the wireless co-frequency interference of the established cellular connection can not occur, and the quality and the speed of data transmission are greatly improved; in addition, the invention adopts radio waves to transmit data, realizes honeycomb connection, greatly reduces installation engineering, reduces the total investment cost of projects, and has the advantages of convenient later maintenance and the like.
Drawings
FIG. 1 is a flow chart of a data processing method of a wireless multi-port control audio broadcasting system according to the present invention;
FIG. 2 is a block diagram of a transmitting end of a wireless multi-end control audio broadcasting system according to the present invention;
FIG. 3 is a block diagram of a receiving end of a wireless multi-end controlled audio broadcasting system according to the present invention;
in the figure, a 1-wireless transceiving circuit, a 2-data interaction processing control circuit, a 3-man-machine interaction processing circuit, a 4-audio input processing circuit, a 5-power circuit, a 6-audio output processing circuit, a 7-LED lamp control and regulation circuit, an 8-sound source circuit and a 9-sensor interface circuit are arranged.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, in a flowchart of a data processing method of a wireless multi-port control audio broadcasting system of the present invention, the data processing method includes the steps of:
step S1, the transmitting terminal obtains the audio signal and the corresponding control command through the self-contained function module, and the audio signal control command is transmitted through the wireless carrier after being coded;
step S2, the transmitting terminal sends the audio signal control command to the receiving terminal in a wireless communication mode;
step S3, the receiving end receives the audio signal and the control command and then realizes the broadcast control through data processing;
and step S4, the receiving end sends data to the transmitting end according to the control command and corresponding operation to realize command transmission and status return.
Specifically, in step S1, the sources of the audio signal include a microphone, an audio signal input, a third party audio source connection; the source of the control command comprises key control, voice input and sensor data acquisition.
It can be understood that the audio signal input is wide, and the control command acquisition is various. The audio signal and the control command are transmitted by adopting synchronous coding so as to improve the transmission speed; the transmitting terminal is provided with a plurality of different ID and carrier frequency channels to solve the same frequency interference of wireless communication; the transmitting end and the receiving end are in wireless connection, so that a complex connecting cable is omitted. The data in step 4 includes the audio signal and the control command after data processing.
In the block diagram of the transmitting end of a wireless multi-end control audio broadcasting system of the invention shown in fig. 2, the transmitting end includes the following functional modules:
and the wireless transceiving circuit 1 is used for encoding the audio signal transmitted by the audio input processing circuit 4 and the data transmitted by the data interaction processing control circuit 2, transmitting the encoded data through high-frequency radio waves, decoding the received effective radio wave signal, and transmitting the decoded data to the data interaction processing control circuit 2, so that the wireless transceiving of the data is realized.
And the data interaction processing control circuit 2 is used for carrying out data interaction with the wireless transceiver circuit 1, controlling the working state of the audio input processing circuit 4 according to the data instruction, carrying out data interaction with the human-computer interaction processing circuit 3, acquiring a manual input instruction and transmitting state information to the human-computer interaction processing circuit 3 to realize state identification, thereby realizing data interaction processing and control.
And the human-computer interaction processing circuit 3 is used for acquiring a manual input instruction, transmitting the instruction to the data interaction processing control circuit 2, receiving data transmitted by the data interaction processing control circuit 2, converting the data into a state to display, and realizing a human-computer interaction function.
And the audio input processing circuit 4 is used for transmitting the audio signal to the wireless transceiver circuit 1 according to the control instruction of the data interaction processing control circuit 2 so as to realize audio input processing.
And the power supply circuit 5 is used for supplying power to the transmitting end.
In the block diagram of the receiving end of a wireless multi-end control audio broadcasting system of the present invention shown in fig. 3, the receiving end includes the following functional modules:
the wireless transceiver circuit 1 decodes the received effective radio wave signals, transmits the audio signals to the audio output processing circuit 6 for audio processing, then sends out sound through a loudspeaker, and transmits the data to the data interaction processing control circuit 2 for data processing and function control; the data transmitted by the data interaction processing control circuit 2 is encoded and then transmitted by high-frequency radio waves, so that the data is wirelessly transmitted and received.
And the data interaction processing control circuit 2 is used for carrying out data interaction with the wireless transceiving circuit 1, controlling the working states of the audio output processing circuit 6, the sound source circuit 8 and the LED lamp control adjusting circuit 7 according to the data instruction, and acquiring a data signal transmitted by the sensor interface circuit 9, thereby realizing data interaction processing and control.
And the power supply circuit 5 is used for supplying power to the receiving end.
And the audio output processing circuit 6 processes the audio signals transmitted by the wireless transceiver circuit 1 according to the control instruction of the data interaction processing control circuit 2, or switches an external sound source, so that the audio output playing function is realized.
And the LED lamp control and regulation circuit 7 is used for controlling the state of the LED lamp according to the data input by the data interaction processing control circuit 2, so that the light is turned on, turned off and regulated.
And the sound source circuit 8 is used for transmitting the preset audio signal to the audio output processing circuit 6 according to the control instruction of the data interaction processing control circuit 2, so that the audio output playing function is realized.
And the sensor interface circuit 9 is used for transmitting signals of the external sensor to the data interaction processing control circuit 2, so that the connection and matching functions of various sensors are realized.
It can be understood that the invention uses scientific algorithm to obtain different ID numbers and wireless communication frequency bands of each transmitting terminal by the transmitting terminal, the ID number is 32-bit rolling code, so that the transmitting terminal can generate 4294967295 unique ID numbers (as human ID card), and a plurality of wireless carrier frequency bands which can not interfere with each other when transmitting and working at the same time are obtained by the ID numbers through algorithm.
It can be understood that the invention realizes the multi-terminal wireless voice broadcast control through the wireless cellular connection, the transmitting terminal can automatically generate the rolling ID number and the rolling transmitting carrier frequency band; the wireless co-frequency interference of the established cellular connection can not occur, and the quality and the speed of data transmission are greatly improved; in addition, the invention adopts radio waves to transmit data, realizes honeycomb connection, greatly reduces installation engineering, reduces the total investment cost of projects, and has the advantages of convenient later maintenance and the like.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (3)
1. A data processing method of a wireless multi-terminal control audio broadcasting system is characterized in that: the method comprises the following steps:
step S1, the transmitting terminal obtains audio signals and corresponding control commands through the self-contained functional module, and the audio signal control commands are transmitted through wireless carriers after being coded;
step S2, the transmitting terminal sends the audio signal control command to a receiving terminal in a wireless communication mode;
step S3, the receiving end receives the audio signal and the control command and then realizes broadcast control through data processing;
step S4, the receiving end sends data to the transmitting end according to the control command and corresponding operation to realize command transmission and state return;
in step S2, shaping the input signal by a first shaping circuit;
in step S3, shaping the target signal by a second shaping circuit and outputting the shaped target signal to a signal output circuit;
the transmitting terminal comprises a data interaction processing control circuit, a man-machine interaction processing circuit and a voice frequency input processing circuit, wherein the data interaction processing control circuit is used for carrying out data interaction with the wireless receiving and transmitting circuit, controlling the working state of the voice frequency input processing circuit according to a data instruction, carrying out data interaction with the man-machine interaction processing circuit, acquiring a manual input instruction and transmitting state information to the man-machine interaction processing circuit to realize state identification, and therefore data interaction processing and control are realized;
in step S1, the source of the audio signal is one of a microphone, an audio signal input, and a third party audio source connection; the source of the control command is one of key control, voice input and sensor data acquisition;
the audio signal and the control command are transmitted by adopting synchronous coding so as to improve the transmission speed; the transmitting terminal is provided with a plurality of different ID and carrier frequency channels to solve the same frequency interference of wireless communication; the transmitting end and the receiving end are in wireless connection, so that a complex connecting cable is omitted;
in the step S4, the data includes the audio signal and the control command after data processing.
2. A wireless multi-terminal controlled audio broadcasting system, comprising: the transmitting terminal is used for acquiring the audio signal and the corresponding control command and transmitting the audio signal and the control command to the receiving terminal through wireless communication; the receiving end is used for receiving the audio signal and the control command, processing the audio signal according to the state of the control command and then outputting the processed audio signal to make a sound; the transmitting end comprises a wireless transceiving circuit, a data interaction processing control circuit, a man-machine interaction processing circuit and an audio input processing circuit; the receiving end comprises a wireless receiving and transmitting circuit, a data interaction processing control circuit, an audio output processing circuit, an LED lamp control adjusting circuit, a sound source circuit and a sensor interface circuit;
the wireless transceiving circuit is used for encoding the audio signal transmitted by the audio input processing circuit and the data transmitted by the data interaction processing control circuit, transmitting the encoded data through high-frequency radio waves, decoding the received effective radio wave signal and transmitting the decoded data to the data interaction processing control circuit, thereby realizing wireless transceiving of the data;
the data interaction processing control circuit is used for carrying out data interaction with the wireless transceiver circuit, controlling the working state of the audio input processing circuit according to the data instruction, carrying out data interaction with the man-machine interaction processing circuit, acquiring a manual input instruction and transmitting state information to the man-machine interaction processing circuit to realize state recognition, thereby realizing data interaction processing and control;
the human-computer interaction processing circuit is used for acquiring a manual input instruction, transmitting the instruction to the data interaction processing control circuit, receiving data transmitted by the data interaction processing control circuit and converting the data into a state to be displayed, so that a human-computer interaction function is realized;
the audio input processing circuit is used for transmitting the audio signal to the wireless transceiver circuit according to the control instruction of the data interaction processing control circuit so as to realize audio input processing;
the wireless transceiver circuit decodes the received effective radio wave signals, transmits the audio signals to the audio output processing circuit for audio processing, then sends out sound through the loudspeaker, and transmits the data to the data interaction processing control circuit for data processing and function control; the data transmitted by the data interaction processing control circuit is encoded and then transmitted out through high-frequency radio waves, so that the data is wirelessly transmitted and received;
the data interaction processing control circuit is used for carrying out data interaction with the wireless transceiving circuit, controlling the working states of the audio output processing circuit, the sound source circuit and the LED lamp control adjusting circuit according to the data instruction, and acquiring a data signal transmitted by the sensor interface circuit, so that data interaction processing and control are realized;
the audio output processing circuit processes the audio signals transmitted by the wireless transceiver circuit according to the control instruction of the data interaction processing control circuit or switches an external sound source, so that the audio output playing function is realized;
the LED lamp control and regulation circuit is used for controlling the state of the LED lamp according to the data input by the data interaction processing control circuit, so that the light is turned on, turned off and regulated;
the sound source circuit is used for transmitting preset audio signals to the audio output processing circuit according to the control instructions of the data interaction processing control circuit, so that the audio output playing function is realized.
3. The wireless multi-terminal controlled audio broadcasting system according to claim 2, wherein: the source of the audio signal and the control command acquired by the transmitting terminal is one of a sound pickup and a music playing source; the source of the control command is one of a manual instruction and a sensor.
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| CN201810663172.5A CN108833045B (en) | 2018-06-25 | 2018-06-25 | Wireless multi-terminal control audio broadcasting system and data processing method thereof |
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| CN201810663172.5A CN108833045B (en) | 2018-06-25 | 2018-06-25 | Wireless multi-terminal control audio broadcasting system and data processing method thereof |
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| CN108833045A CN108833045A (en) | 2018-11-16 |
| CN108833045B true CN108833045B (en) | 2021-04-27 |
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| US8185925B2 (en) * | 2007-08-24 | 2012-05-22 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in the digital broadcasting system |
| CN101499864A (en) * | 2008-01-30 | 2009-08-05 | 万能 | Short message wireless broadcasting method, system and receiving terminal |
| CN101807946A (en) * | 2009-11-11 | 2010-08-18 | 瑞士电子有限公司 | Operating method of 2.4 G wireless audio device |
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