CN210781303U - Sound system and electronic system - Google Patents

Abstract

The application provides a sound system and electronic system, this sound system includes: a digital processing device; the microphone is used for acquiring audio signals, converting the audio signals into electric signals and sending the electric signals to the digital processing device; the loudspeaker is connected with the digital processing device and used for converting the electric signal output by the digital processing device into an analog signal and emitting the analog signal in a sound form, and the loudspeaker comprises a first power supply unit, and the digital processing device controls the switch of the first power supply unit. The sound system has the advantages that the power supply is arranged in the loudspeaker, the equipment structure is simplified, the occupied space is reduced, the difficulty in installation and wiring is reduced, and the automatic control of the loudspeaker is realized by controlling the switch of the first power supply unit through the digital processing device.

Description

Sound system and electronic system

Technical Field

The application relates to the field of electroacoustic, in particular to a sound system and an electronic system.

Background

Audio-related sound amplification devices such as a microphone receiver, a sound console, a power amplifier, and a sound box are placed in small, medium, and large conference rooms. Although the devices are expensive, the devices are purchased by some conference reporting halls such as schools and governments, and the market demand is strong.

The traditional conference sound system is composed of a microphone receiver, a sound console, a power amplifier, a sound box and the like. The problems that exist include: complex and professional installation and debugging are required for use; before each meeting, professional tuning staff is needed to debug; the equipment cost is high; the occupied space is large; wiring and routing is difficult. Moreover, the power supply of the sound equipment in the prior art is arranged outside the sound equipment, and generally, a user needs to manually control the switch of the power supply, so that the work of the sound equipment is controlled, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a sound system and an electronic system so as to solve the problems that the equipment structure of the sound system in the prior art is complex and automatic control cannot be realized.

In order to achieve the above object, according to one aspect of the present application, there is provided a sound system including: a digital processing device; the microphone is used for acquiring audio signals, converting the audio signals into electric signals and sending the electric signals to the digital processing device; the loudspeaker is connected with the digital processing device and used for converting the electric signal output by the digital processing device into an analog signal and emitting the analog signal in a sound form, the loudspeaker comprises a first power supply unit, and the digital processing device controls the switch of the first power supply unit.

Further, the first power supply unit includes a first converter for converting alternating current power into direct current power.

Further, the first power supply unit further includes at least one second converter electrically connected to the first converter, the second converter being configured to step down a voltage output from the first converter.

Further, the digital processing device includes a signal output terminal, the signal output terminal includes a first network interface, the speaker includes a second network interface, the first network interface is connected with the second network interface, and the sound system further includes: and one end of the switch unit is connected with the second network interface, the other end of the switch unit is connected with the first power supply unit, the digital processing device outputs a control signal through the first network interface, and the switch unit controls the switch of the first power supply unit under the control of the control signal.

Further, the loudspeaker also comprises a data conversion chip, the data conversion chip is connected with the second network interface, and data transmission between the data conversion chip and the second network interface complies with an RS485 protocol.

Furthermore, the signal output end further comprises a single-ended output end and an analog signal differential output end, the digital processing device further comprises a first analog-to-digital conversion circuit, and the single-ended output end and the analog signal differential output end are respectively connected with the first analog-to-digital conversion circuit.

Further, the digital processing apparatus includes: the micro control unit is connected with one end of the first network interface, and the first analog-to-digital conversion circuit is connected with the micro control unit; and the Ethernet power supply chip is connected with the other end of the first network interface.

Further, the digital processing apparatus further comprises: the first wireless receiving chip is used for receiving wireless audio signals; and the digital signal processing chip is respectively connected with the first wireless receiving chip and the micro control unit.

Furthermore, the digital processing device further comprises a signal input end, the signal input end comprises an electrical signal input end, a third network interface, a first USB interface and a centralized control interface, the digital processing device further comprises a second analog-to-digital conversion circuit, a first ethernet chip, a second ethernet chip, a digital audio transmission chip, a control panel, a second power unit, a second wireless receiving chip and an infrared signal receiving unit, wherein the electrical signal input end is connected with the second analog-to-digital conversion circuit, the second analog-to-digital conversion circuit is connected with the digital signal processing chip, the third network interface is connected with the first ethernet chip, the first ethernet chip is connected with the digital audio transmission chip, the digital audio transmission chip is connected with the digital signal processing chip, and the first network interface is connected with the second ethernet chip, the second Ethernet chip is connected with the micro control unit, the control panel, the second wireless receiving chip and the infrared signal receiving unit are respectively connected with the micro control unit, the first USB interface and the centralized control interface are respectively connected with the micro control unit, and the second power supply unit is used for supplying power to other structures of the processing device.

According to another aspect of the present application, there is provided an electronic system comprising a sound system, the sound system being any one of the sound systems.

According to the technical scheme, in the sound system, the microphone is used for collecting the audio signals and converting the audio signals into the electric signals, the electric signals are sent to the digital processing device, and the loudspeaker is used for converting the electric signals output by the digital processing device into the analog signals and sending the analog signals in a sound mode. The sound system has the advantages that the power supply is arranged in the loudspeaker, the equipment structure is simplified, the occupied space is reduced, the difficulty in installation and wiring is reduced, and the automatic control of the loudspeaker is realized by controlling the switch of the first power supply unit through the digital processing device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

fig. 1 shows a schematic structural diagram of a sound system according to an embodiment of the present application;

FIG. 2 shows a schematic block diagram of a digital processing apparatus according to an embodiment of the present application;

fig. 3 shows a schematic structural diagram of a loudspeaker according to an embodiment of the present application; and

FIG. 4 shows a schematic diagram of a structure of an electronic system according to an embodiment of the present application.

Wherein the figures include the following reference numerals:

100. a digital processing device; 101. an electrical signal input; 102. a second analog-to-digital conversion circuit; 103. a first wireless receiving chip; 104. a digital signal processing chip; 105. a digital audio transmission chip; 106. a first Ethernet chip; 107. a third network interface; 108. a first analog-to-digital conversion circuit; 109. a single-ended output; 110. an analog signal differential output terminal; 111. a micro control unit; 112. a second Ethernet chip; 113. a first network interface; 114. a power over Ethernet chip; 115. a USB interface; 116. a centralized control interface; 117. a control panel; 118. an infrared signal receiving unit; 119. a second wireless receiving chip; 120. a second power supply unit; 121. a direct current electrical interface; 122. a third converter; 123. a fourth converter; 200. a microphone; 300. a speaker; 301. a first power supply unit; 302. a power interface; 303. a first converter; 304. a second converter; 305. a second network interface; 306. a data conversion chip; 307. a signal conversion chip; 308. a data processing chip; 309. a control chip; 310. a second USB interface; 311. a third wireless receiving chip; 312. a third analog-to-digital conversion circuit; 313. a first amplifier; 314. a second amplifier; 315. 2-way tweeters; 316. 8-channel full-frequency horn; 400. a switch; 500. a server; 600. and a remote controller.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As described in the background art, in the prior art, the sound system has a complicated structure and cannot realize automatic control, and in order to solve the above problems, the present application provides a sound system.

In an exemplary embodiment of the present application, there is provided a sound system, as shown in fig. 1, including:

a digital processing device 100;

a microphone 200 for collecting an audio signal and converting the audio signal into an electrical signal to be transmitted to the digital processing device 100;

a speaker 300 connected to the digital processing apparatus 100, wherein the speaker 300 is configured to convert an electrical signal output from the digital processing apparatus 100 into an analog signal and emit the analog signal as a sound, the speaker includes a first power supply unit, and the digital processing apparatus 100 controls a switch of the first power supply unit.

In the sound system, the microphone is used for collecting audio signals, converting the audio signals into electric signals and sending the electric signals to the digital processing device, and the loudspeaker is used for converting the electric signals output by the digital processing device into analog signals and sending the analog signals in a sound mode. The sound system has the advantages that the power supply is arranged in the loudspeaker, the equipment structure is simplified, the occupied space is reduced, the difficulty in installation and wiring is reduced, and the automatic control of the loudspeaker is realized by controlling the switch of the first power supply unit through the digital processing device.

Specifically, the microphone may be a wireless microphone or a wired microphone, and the speaker may be an L/R active digital sound post, so that dual-channel L and R audio output may be achieved, the sound amplification direction is correct, and the sound amplification effect is good. Of course, the microphone and the speaker are not limited to the above types, and those skilled in the art can select a suitable microphone and speaker according to actual situations.

In one embodiment of the present application, as shown in fig. 3, the first power supply unit 301 includes a first converter 303, and the first converter 303 is configured to convert ac power into dc power. The skilled person can select a suitable first converter depending on the actual situation.

Specifically, as shown in fig. 3, the first power supply unit 301 is connected to a commercial power through a power interface 302, the commercial power is an alternating current, and the alternating current is converted into a direct current through a first converter 303 to supply power to the speaker.

Since the voltage of the converted direct current may be higher than the operating voltage of the speaker, in an embodiment of the present invention, as shown in fig. 3, the first power supply unit 301 further includes at least one second converter 304, the second converter 304 is electrically connected to the first converter 303, and the second converter 304 is configured to step down the voltage output by the first converter 303. Specifically, the working voltages of the chips and other devices in the speaker may be different, and in this case, the second converter may be provided in plurality, so as to implement step-down, thereby implementing differential power supply for the chips and other devices with different working voltages.

In an embodiment of the present invention, as shown in fig. 2 and 3, the digital processing device 100 includes a signal output end, the signal output end includes a first network interface 113, the speaker 300 includes a second network interface 305, the first network interface 113 is connected to the second network interface 305, the audio system further includes a switch unit, one end of the switch unit is connected to the second network interface 305, the other end of the switch unit is connected to the first power supply unit 301, the digital processing device 100 outputs a control signal through the first network interface 113, and the switch unit controls the switch of the first power supply unit 301 under the control of the control signal. The first network interface 113 and the second network interface 305 may be RJ45 network ports, and of course, those skilled in the art may select other types of network ports according to actual situations. Specifically, the digital processing device outputs a control signal through the first network interface 113, the control signal is transmitted to the switch unit through the second network interface, and the switch unit controls the switch of the first power supply unit according to the control signal, thereby realizing the automatic control of the speaker.

In an embodiment of the present application, as shown in fig. 2 and 3, the speaker 300 further includes a data conversion chip 306 for converting parallel data into serial data, the data conversion chip 306 is connected to the second network interface 305, and data transmission between the data conversion chip 306 and the second network interface 305 complies with an RS485 protocol, so that an influence of signal noise can be effectively reduced, distortion of a transmitted audio signal can be avoided, and long-distance transmission of data can be achieved.

In one embodiment of the present application, as shown in fig. 3, the speaker 300 further includes a signal conversion chip 307 for converting the digital audio signal into an I2S signal, i.e. enabling the digital audio signal to be transmitted in a network. The signal conversion chip 307 is connected to the second network interface 305, and data transmission between the signal conversion chip 307 and the second network interface 305 complies with the I2S protocol, so that the data signal can be separated from the clock signal, and distortion caused by time difference can be avoided.

Specifically, as shown in fig. 3, the speaker 300 includes a control chip 309 and a data processing chip 308, the control chip 309 receives a control signal such as a tuning signal output by the first network interface 113 through the second network interface, the data processing chip 308 receives a digital audio signal through the second network interface 305, and the control chip 309 controls the data processing chip 308 to process the digital audio signal according to the tuning signal, so as to implement functions such as volume tuning and reverberation tuning, thereby automatically controlling the sound system.

Specifically, as shown in fig. 3, the speaker 300 further includes a second USB interface 310 and a third wireless receiving chip 311, the second USB interface 310 and the third wireless receiving chip 311 are respectively connected to the control chip 309, and the second USB interface 310 is used for upgrading the control chip 309 or transmitting a digital audio signal to an external device, and is used for receiving an audio signal collected by the wireless microphone and transmitting the audio signal to the control chip 309. The second USB interface 310 may be a Type B interface, and the model of the third wireless receiving chip 311 may be c.rf.1310rx.02, although those skilled in the art may select other models of third wireless receiving chips according to actual situations.

In an embodiment of the present application, as shown in fig. 2, the signal output terminal further includes a single-ended output terminal 109 and an analog signal differential output terminal 110, the digital processing apparatus 100 further includes a first analog-to-digital conversion circuit 108, and the single-ended output terminal 109 and the analog signal differential output terminal 110 are respectively connected to the first analog-to-digital conversion circuit 108. The first analog-to-digital conversion circuit 108 may be an AK4458 analog-to-digital converter, the single-ended output terminal 109 may be a 3.5mm audio plug, the analog signal differential output terminal 110 may be a phoenix head, and the digital processing apparatus 100 may be further connected to other audio devices, where different audio devices are connected by different plugs. Specifically, the first analog-to-digital conversion circuit converts a digital audio signal into an analog signal, the analog signal is transmitted to other sound equipment through the single-ended output end or the analog signal differential output end, the other sound equipment sends the analog signal in a sound form, and in an actual application process, one of the plugs is used as a spare plug to avoid damage of the plug to influence use of the system.

In an embodiment of the present application, as shown in fig. 2, the digital processing apparatus 100 includes a micro control unit 111 and a power over ethernet chip 114, the micro control unit 111 is connected to one end of the first network interface 113, and the first analog-to-digital conversion circuit 108 is connected to the micro control unit 111; the poe chip 114 is connected to the other end of the first network interface 113. The micro control unit 111 may be an AP8264 type control chip, and the ethernet power supply chip 114 may be a TPS23861, and of course, those skilled in the art may select other types of control chips and ethernet power supply chips according to actual situations. Specifically, the micro control unit may control operations of a part of chips of the digital processing apparatus, the ethernet power supply chip may be connected to other control devices, such as other control panels, and the ethernet power supply chip may not only supply power to the control devices, but also transmit control signals output by the control devices to the micro control unit.

In an embodiment of the present application, as shown in fig. 2, the digital processing apparatus 100 further includes a first wireless receiving chip 103 and a digital signal processing chip 104, where the first wireless receiving chip 103 is configured to receive a wireless audio signal; the digital signal processing chip 104 is connected to the first wireless receiving chip 103 and the micro control unit 111, respectively. The first wireless receiving chip 103 may be a bluetooth chip or an ultra-high frequency microphone chip, the bluetooth chip may be of the type ATS2819, and the digital signal processing chip 104 may be of the type AK7738, which, of course, may be selected by those skilled in the art according to actual situations. Specifically, the first wireless receiving chip establishes wireless communication connection with a peripheral device (for example, a mobile phone), converts a received signal into a digital signal and sends the digital signal to the digital signal processing chip, and the micro control unit controls the digital signal processing chip to process the digital signal.

In an embodiment of the present application, as shown in fig. 2, the digital processing apparatus further includes a signal input end, the signal input end includes an electrical signal input end 101, a third network interface 107, a first USB interface 115, and a centralized control interface 116, and the digital processing apparatus 100 further includes a second analog-to-digital conversion circuit 102, a first ethernet chip 106, a second ethernet chip 112, a digital audio transmission chip 105, a control panel 117, a second power unit 120, a second wireless receiving chip 119, and an infrared signal receiving unit 118.

Wherein the electrical signal input terminal 101 is connected to the second analog-to-digital conversion circuit 102, the second analog-to-digital conversion circuit 102 is connected to the digital signal processing chip 104, the third network interface 107 is connected to the first ethernet chip 106, the first ethernet chip 106 is connected to the digital audio transmission chip 105, the digital audio transmission chip 105 is connected to the digital signal processing chip 104, the first network interface 113 is connected to the second ethernet chip 112, the second ethernet chip 112 is connected to the micro control unit 111, the control panel 117, the second wireless receiving chip 119 and the infrared signal receiving unit 118 are respectively connected to the micro control unit 111, the first USB interface 115 and the centralized control interface 116 are connected to the micro control unit 111, respectively, and the second power supply unit 120 is used to supply power to other structures of the processing apparatus.

Specifically, the third network interface may be an RJ45 network port, the first USB interface may be a Type B interface, the centralized control interface may be an RS232/485 interface, the first ethernet chip may be of a Type RTL8306, the second ethernet chip may be of a Type RTL8152, the digital audio transmission chip may be of a Type MDT-E1, the second wireless reception chip may be of a Type c.rf.1310rx.02, the infrared signal receiving unit may be an IR remote control head, the second power unit 120 includes a dc power interface 121, a third converter 122 and a fourth converter 123, the second power unit receives dc power through the dc power interface 121, and reduces the dc power through the third converter 122 and the fourth converter 123 to differentially supply power to chips with different operating voltages. Of course, the above-mentioned devices are not limited to the above-mentioned models, and those skilled in the art can select the appropriate model according to the actual situation.

Specifically, the microphone can also send the electrical signal to the digital processing device through the electrical signal input end, and the second analog-to-digital conversion circuit converts the electrical signal into a digital signal and transmits the digital signal to the digital signal processing chip for processing.

Specifically, the first ethernet chip receives an electrical signal corresponding to an audio signal through the third network interface and transmits the electrical signal to the digital audio transmission chip, the digital audio transmission chip converts the electrical signal into a digital audio signal and transmits the digital audio signal to the digital signal processing chip, and the digital signal processing chip processes the digital audio signal. Certainly, the third network interface may also serve as a signal output end, in this case, the third network interface is connected to the second network interface and configured to output a digital audio signal, the digital signal processing chip transmits the processed digital audio signal to the digital audio transmission chip, the digital audio transmission chip transmits the digital audio signal to the first ethernet chip, the first ethernet chip outputs the digital audio signal through the third network interface, and the digital audio signal is transmitted to the speaker through the second network interface.

It should be noted that the signal input end and the signal output end in the present application are only used for distinguishing signal ports, and do not represent that they can only input or only output, and those ports are known to those skilled in the art that they can both input signals and output signals.

Specifically, as shown in fig. 2 and 3, the second ethernet chip 112 is connected to the micro control unit 111, the second ethernet chip 112 outputs a control signal generated by the micro control unit 111 through the first network interface 113, the control signal is transmitted to the switch unit through the second network interface 305, and the switch unit controls the switch of the first power supply unit 301 under the control of the control signal.

Specifically, the operator can tune the sound system through the control device, for example, adjust the volume and reverberation, and the like. The control device can be an infrared remote control device or a wireless remote control device, the infrared remote control device can send a control signal to the infrared signal receiving unit, then the infrared signal receiving unit transmits a tuning signal to the micro control unit, the wireless remote control device sends the control signal to the second wireless receiving chip, then the second wireless receiving chip transmits the tuning signal to the micro control unit, of course, an operator can also adopt other control devices to transmit the tuning signal to the micro control unit through the USB interface and the centralized control interface, and the operator can also directly input a control command to the micro control unit through the control panel.

In one embodiment of the present application, as shown in fig. 3, the speaker 300 includes two speakers. Specifically, one loudspeaker may be a 2-way tweeter 315, the first amplifier 313 corresponding to the loudspeaker 300 may be TPA3116, 4-channel transmission signals are used between the 2-way tweeter 315 and the first amplifier 313, the other loudspeaker may be an 8-way full-range loudspeaker 316, the third analog-to-digital conversion circuit 312 may be AK4458, and the second amplifier 314 may be TPA3221, and 16-channel transmission signals are used between the 8-way full-range loudspeaker 316 and the second amplifier 314. It should be noted that, those skilled in the art can select a suitable speaker according to actual situations, for example, an indoor 8-channel full-range speaker is selected, and an outdoor 2-channel tweeter is selected.

Specifically, as shown in fig. 3, the speaker receives the digital audio signal output by the digital processing apparatus 100 through the second network interface 305, the signal conversion chip 307 converts the digital audio signal into an I2S signal, and then sends the I2S signal to the data processing chip 308, the data processing chip 308 processes the I2S signal corresponding to the digital audio signal to implement functions of adjusting volume and reverberation, the data processing chip 308 outputs the I2S signal after processing, and sends the I2S signal to the third analog-to-digital conversion circuit 312, the third analog-to-digital conversion circuit 312 converts the I2S signal output by the data processing chip 308 into an analog signal, and the analog signal is amplified by the second amplifier 314 and then sent out in a form of sound through the 8-channel full-band speaker 316.

In a specific embodiment, the sound system of the present application includes two speakers, thereby enabling dual channel L and R audio output.

In a specific embodiment of the present application, as shown in fig. 3, the first converter 303 can convert 100-240V ac power into 24V dc power, the number of the second converters 304 is two, one second converter 304 converts the 24V dc power output by the first converter 303 into 5V dc power, and the other second converter 304 converts the 5V dc power into 3.3V dc power. More specifically, the second converter 304 outputting 5V dc is electrically connected to the second USB interface 310 and supplies power to the second USB interface 310, the second converter 304 outputting 3.3V dc is electrically connected to the data processing chip 308 and supplies power to the data processing chip 308, the first amplifier 313 and the second amplifier 314 may be supplied with power by using 24V dc output by the first converter 303 or by using 5V dc output by the second converter 304, and the third analog-to-digital conversion circuit 312 and the control chip 309 may be supplied with power by using either 5V dc output by the second converter 304 or 3.3V dc output by the second converter 304.

In one specific embodiment of the present application, as shown in fig. 2, the third converter 122 has two, one second converter 304 converts the 24V dc output from the first converter 303 into 5V dc, and the other second converter 304 converts the 5V dc into 3.3V dc. More specifically, the third converter 122 outputting 5V dc is electrically connected to the first analog-to-digital conversion circuit 108, the second wireless receiving chip 119, and the micro control unit 111, respectively, and supplies power to the above devices, and the third converter 122 outputting 3.3V dc is electrically connected to the first wireless receiving chip 103 and the digital signal processing chip 104, respectively, and supplies power to the above devices.

According to another aspect of the present application, there is provided an electronic system comprising a sound system, the sound system being any one of the sound systems described above.

In the electronic system, the microphone is used for collecting audio signals, converting the audio signals into electric signals and sending the electric signals to the digital processing device, and the loudspeaker is used for converting the electric signals output by the digital processing device into analog signals and sending the analog signals in a sound mode. The sound system has the advantages that the power supply is arranged in the loudspeaker, the equipment structure is simplified, the occupied space is reduced, the difficulty in installation and wiring is reduced, and the automatic control of the loudspeaker is realized by controlling the switch of the first power supply unit through the digital processing device.

Specifically, as shown in fig. 4, the electronic system further includes a switch 400, a server 500, and a remote controller 600, wherein the switch 400 is connected to the digital processing apparatus 100, the server 500 is connected to the switch 400, and the remote controller 600 is connected to the server 500. Specifically, the remote controller uploads the control signals to the server, the server sorts the control signals, and then sends different control signals to the digital processing device through the switch, wherein the switch is connected with each interface or signal receiving chip of the digital processing device, and different control signals are transmitted to the digital processing device through different interfaces or signal receiving chips, for example, the infrared control signals are transmitted to the digital processing device through the infrared signal receiving unit.

From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:

1) in the sound system of this application, gather audio signal and turn into the signal of telecommunication with audio signal through the microphone to in sending this signal of telecommunication to digital processing device, the speaker converts the signal of telecommunication of digital processing device output into analog signal, and sends with the sound form. The sound system has the advantages that the power supply is arranged in the loudspeaker, the equipment structure is simplified, the occupied space is reduced, the difficulty in installation and wiring is reduced, and the automatic control of the loudspeaker is realized by controlling the switch of the first power supply unit through the digital processing device.

2) In the sound system of this application, the interface is of many kinds and compatible good, uses extensively to the tuning mode is easily operated.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. An audio sound system, comprising:

a digital processing device;

the microphone is used for acquiring audio signals, converting the audio signals into electric signals and sending the electric signals to the digital processing device;

the loudspeaker is connected with the digital processing device and used for converting the electric signal output by the digital processing device into an analog signal and emitting the analog signal in a sound form, the loudspeaker comprises a first power supply unit, and the digital processing device controls the switch of the first power supply unit.

2. The audio system as recited in claim 1, wherein said first power supply unit comprises a first converter for converting alternating current to direct current.

3. The sound system as recited in claim 2 wherein said first power supply unit further comprises at least a second converter, said second converter being electrically connected to said first converter, said second converter being configured to step down a voltage output by said first converter.

4. The sound system as claimed in any one of claims 1 to 3, wherein the digital processing device comprises a signal output, the signal output comprising a first network interface, the speaker comprising a second network interface, the first network interface and the second network interface being connected, the sound system further comprising:

and one end of the switch unit is connected with the second network interface, the other end of the switch unit is connected with the first power supply unit, the digital processing device outputs a control signal through the first network interface, and the switch unit controls the switch of the first power supply unit under the control of the control signal.

5. The sound system as set forth in claim 4 wherein the speaker further comprises a data conversion chip, the data conversion chip is connected to the second network interface, and data transmission between the data conversion chip and the second network interface complies with the RS485 protocol.

6. The audio system of claim 4, wherein said signal output further comprises a single-ended output and an analog signal differential output, and said digital processing means further comprises a first analog-to-digital conversion circuit, said single-ended output and said analog signal differential output being connected to said first analog-to-digital conversion circuit, respectively.

7. The sound system of claim 6, wherein the digital processing device comprises:

the micro control unit is connected with one end of the first network interface, and the first analog-to-digital conversion circuit is connected with the micro control unit;

and the Ethernet power supply chip is connected with the other end of the first network interface.

8. The sound system of claim 7, wherein the digital processing device further comprises:

the first wireless receiving chip is used for receiving wireless audio signals;

and the digital signal processing chip is respectively connected with the first wireless receiving chip and the micro control unit.

9. The audio system of claim 8, wherein the digital processing device further comprises a signal input terminal, the signal input terminal comprises an electrical signal input terminal, a third network interface, a first USB interface and a centralized control interface, the digital processing device further comprises a second analog-to-digital conversion circuit, a first Ethernet chip, a second Ethernet chip, a digital audio transmission chip, a control panel, a second power unit, a second wireless receiving chip and an infrared signal receiving unit, wherein the electrical signal input terminal is connected with the second analog-to-digital conversion circuit, the second analog-to-digital conversion circuit is connected with the digital signal processing chip, the third network interface is connected with the first Ethernet chip, the first Ethernet chip is connected with the digital audio transmission chip, and the digital audio transmission chip is connected with the digital signal processing chip, the first network interface is connected with the second Ethernet chip, the second Ethernet chip is connected with the micro control unit, the control panel, the second wireless receiving chip and the infrared signal receiving unit are respectively connected with the micro control unit, the first USB interface and the centralized control interface are respectively connected with the micro control unit, and the second power supply unit is used for supplying power to other structures of the processing device.

10. An electronic system comprising a sound system, characterized in that the sound system is a sound system according to any one of claims 1 to 9.

Images