CN212572613U - Audio acquisition playing device based on WiFi - Google Patents

Abstract

The utility model discloses an audio acquisition playing device based on WiFi, which comprises a device shell, an MCU processor arranged in the device shell, an audio playing device connected with the MCU processor and a WiFi communication device; the WiFi communication device is used for receiving audio signals, and the audio playing device is connected with the WiFi communication device and used for playing the audio signals. This application is through integrated wiFi communication device in the equipment casing, and the audio signal that other equipment sent can be received to the wiFi communication device, conveys audio signal in real time to playback devices such as stereo set through the wiFi communication device, has overcome easy receiving such as radio frequency communication mode and has disturbed, audio transmission's tone quality low scheduling problem. After the WiFi communication device is connected with the intelligent mobile equipment (intelligent mobile phone) and the like, the audio resources of the intelligent mobile phone can be collected and played, resource sharing is achieved, and the audio collecting and playing equipment has good interactivity.

Description

Audio acquisition playing device based on WiFi

Technical Field

The utility model relates to an audio signal transmits technical field, in particular to audio acquisition playback devices based on wiFi.

Background

With the continuous development of the internet of things technology, in order to avoid the cost and inconvenience in use caused by data line connection, the application of the wireless communication technology is more and more extensive, and wireless short-distance communication modes are various, such as an Hlilink protocol, a WIFI (IEEE802.11 protocol), a Mesh, a bluetooth, a ZigBee/802.15.4 protocol, a Thread/802.15.4 protocol, a Z-Wave, an NFC, a UWB, a LiFi and the like, and the wireless short-distance communication modes have characteristics.

The wireless communication device is integrated on the audio equipment, so that audio interaction is performed between the audio equipment without a data line, for example, a wireless microphone, the existing wireless microphone can integrate a Bluetooth communication mode, a radio frequency V section, a radio frequency U section, a true diversity and the like, and other communication modes can be integrated, however, when the audio signal is transmitted by adopting Bluetooth, the bandwidth is limited, so that the audio transmission quality is low, and the Bluetooth is generally used for accompaniment transmission and non-audio data transmission between the equipment; by adopting a radio frequency transmission mode, the bandwidth is lower, the interference of the environment is easy to happen, and the stability is poor; in addition, radio frequency transmissions are unidirectional and lack interactivity.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an audio acquisition playback devices based on wiFi can realize high quality audio signal's receipt and broadcast, and has two-way interactivity.

In order to solve the technical problem, the technical scheme of the utility model as follows:

an audio acquisition playing device based on WiFi comprises a device shell, an MCU processor arranged in the device shell, an audio playing device connected with the MCU processor and a WiFi communication device; the WiFi communication device is used for receiving audio signals, and the audio playing device is connected with the WiFi communication device and used for playing the audio signals.

Further, the device shell also comprises a digital signal processing device, the digital signal processing device is connected with the MCU processor, and the digital signal processing device is used for carrying out audio signal digital processing on the audio signal; and transmitting the audio signal subjected to digital post-processing to the audio playing device.

Furthermore, the equipment shell also comprises a power supply device and a voltage conversion device, and the power supply device and the voltage conversion device are connected with the MCU processor.

Furthermore, the digital signal processing device at least comprises a noise reduction processing unit, a frequency shift processing unit and a reverberation processing unit, wherein the noise reduction processing unit is used for compressing the audio signal below-38 d within a preset time to eliminate the ambient noise; the frequency shift processing unit is used for shifting the frequency of the acquired audio signals by 3Hz to avoid the superposition of self-excited scream caused by the same-frequency audio components; the reverberation processing unit is used for carrying out dispersion, time delay attenuation and dry-wet ratio mixing processing on the audio signals to simulate the space sense and spaciousness sound effect.

Optionally, the audio playing device is a speaker.

Optionally, the WiFi communication device includes a 2.4GWiFi device and a 5GWiFi device.

Furthermore, a display screen is further arranged on the equipment shell and connected with the MCU processor, and the display screen is used for displaying the audio signal parameters.

Furthermore, a control key is arranged on the equipment shell and at least comprises a switch key and an audio adjusting key, and the control key is connected with the MCU processor.

Furthermore, the audio acquisition and playing device based on the WiFi is one of a sound box, an earphone, a television, a notebook computer, a tablet computer, a PC and an intelligent vehicle-mounted system which are integrated with the WiFi communication device.

By adopting the technical scheme, the WiFi communication device is integrated in the equipment shell, the WiFi communication device can receive audio signals sent by other equipment, the audio signals are transmitted to the playing devices such as a sound box in real time through the WiFi communication device, and the problems that the radio frequency communication mode and the like are easily interfered, and the tone quality of audio transmission is low are solved. After the WiFi communication device is connected with the intelligent mobile equipment (intelligent mobile phone) and the like, the audio resources of the intelligent mobile phone can be collected and played, resource sharing is achieved, and the audio collecting and playing equipment has good interactivity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a connection relationship diagram of a first audio acquisition and playback device based on WiFi of the present invention;

fig. 2 is a connection relationship diagram of a second audio acquisition and playing device based on WiFi of the present invention;

FIG. 3 is a diagram of the connection relationship of the digital signal processing device of the present invention;

fig. 4 is a three-dimensional structure diagram of the audio collecting and playing device based on WiFi of the present invention;

fig. 5 is a three-dimensional decomposition structure diagram of the audio collecting and playing device based on WiFi of the present invention;

fig. 6 is a schematic circuit diagram of an audio collecting and playing device based on WiFi of the present invention;

fig. 7 is a schematic circuit diagram of an audio collecting and playing device based on WiFi of the present invention;

Detailed Description

The following describes the present invention with reference to the accompanying 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 related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1, an embodiment of the present invention provides an audio acquisition and playing device based on WiFi, which includes a device housing 10, an MCU processor 50 installed in the device housing 10, an audio playing device 20 connected to the MCU processor 50, and a WiFi communication device 40; the WiFi communication device 40 is used for receiving an audio signal, and the audio playing device 20 is connected to the WiFi communication device 40 and is used for playing the audio signal.

The device shell 10 further comprises a digital signal processing device 30, the digital signal processing device 30 is connected with the MCU processor 50, and the digital signal processing device 30 is used for performing digital processing on the audio signal; the digitally post-processed audio signal is transmitted to the audio playback device 20. The audio signal transmitted by the WiFi communication mode is a digital audio signal, the digital audio signal can be from a digital sound source stored on other equipment, and can also be an audio signal which is acquired in real time by an audio playing device such as a microphone and subjected to analog-to-digital conversion.

Optionally, the device housing 10 further includes a power supply device 60 and a voltage conversion device 70, and the power supply device 60 and the voltage conversion device 70 are connected to the MCU processor 50. The power supply device 60 may be a battery and a charging management device thereof, or may be an adapter, etc., and the voltage conversion device 70 may be plural according to the operating voltages of the respective devices, and provides plural corresponding operating voltages.

As shown in fig. 3, the digital signal processing device 30 at least includes a noise reduction processing unit 31, a frequency shift processing unit 32 and a reverberation processing unit 33, where the noise reduction processing unit 31 is configured to compress audio signals below-38 d for a preset time to eliminate ambient noise; the frequency shift processing unit 32 is configured to shift the frequency of the acquired audio signal by 3Hz, so as to avoid overlapping self-excited scream caused by the same-frequency audio component; the reverberation processing unit 33 is configured to perform dispersion, delay attenuation, and dry-wet ratio mixing processing on the audio signal to simulate a spatial effect and a spaciousness effect.

In addition, the digital signal processing device 40 compresses the output time of the audio signal after the audio signal is collected and processed to within 10mS delay through a high-performance 32-bit RISC core, a 240MHz operation speed and a DSP FFT accelerator (1024-point complex FFT/IFFT operation, or 2048-point real FFT/IFFT) operation.

Optionally, the audio playback device 20 is a speaker.

As shown in fig. 2, the WiFi communication device 40 includes a 2.4GWiFi device 41 and a 5GWiFi device 42. The device provides two WiFi communication modes, and can be matched according to the WiFi signals of the audio acquisition playing device for sending the WiFi signals, so that the WiFi communication modes can be effectively established.

As shown in fig. 2, a display screen 80 is further disposed on the device housing 10, the display screen 80 is connected to the MCU processor 50, and the display screen 80 is used for displaying the audio signal parameters.

Optionally, a control key 90 is arranged on the device housing 10, the control key 90 at least includes a switch key and an audio adjusting key, and the control key 90 is connected to the MCU processor 50. When the display screen 80 is a touch screen, the audio adjustment key is integrated into the touch screen, and the audio adjustment is realized through touch operation.

Specifically, the WiFi-based audio capturing and playing device is a sound, a headset, a television, a notebook, a PC, an intelligent vehicle-mounted system, or other electronic terminal products with the WiFi communication device 40 and the audio playing device 20, which integrate the WiFi communication device 40. The product form of the audio collecting and playing device based on WiFi is not limited to the above, and as long as the audio collecting and playing device has the audio playing device 20 and the WiFi communication device 40, the audio collecting and playing device capable of receiving the audio signal through the WiFi communication mode all belong to feasible implementation manners of the embodiment of the present application.

As shown in fig. 4 and 5, the audio acquisition and playing device based on WiFi according to this embodiment is an intelligent sound device, which includes a sound housing, a main control PCB 19 and a speaker 111 are disposed in the sound housing, an MCU processor, a WiFi communication device connected to the MCU processor, and a digital signal processing device are integrally disposed on the main control PCB 19, the WiFi communication device is configured to receive an audio signal, and the digital signal processing device is configured to perform audio signal digital processing on the audio signal; the digitally post-processed audio signal is transmitted to the speaker 111; the speaker 111 plays the audio signal.

Specifically, the sound box shell comprises a middle shell 11, a lower shell 12 and an upper shell 15, wherein the lower shell 12 and the upper shell 15 are arranged at the upper end and the lower end of the middle shell 11, and a base body 13 is further arranged at the lower part of the lower shell 12; the top of the upper housing 15 is provided with an upper cover plate 16.

Optionally, the main control PCB 19 and the speaker 111 are fixed in the sound housing through a mounting frame 14.

Optionally, a key panel 17 is further disposed on one side of the middle housing 11, the mounting rack 14 corresponds to the key panel 17 and is provided with an interface PCB 18, the interface PCB 18 is connected to the main control PCB 19, and the key panel 17 is provided with a switch key 171, a TF slot 172, a DC power interface 173, and an audio interface 174.

Optionally, a battery 110 is further disposed in the mounting rack 14, and a battery charging management device is disposed on the interface PCB 18 corresponding to the battery 110.

Optionally, the upper housing 15 and the upper cover plate 16 are provided with sound holes 112 corresponding to the speaker 111, LED colored lamps 113 are uniformly arranged around the sound holes 112, and the LED colored lamps 113 are connected to the main control PCB 19 through an LED driving chip.

Specifically, the digital signal processing device at least comprises a noise reduction processing unit, a frequency shift processing unit and a reverberation processing unit, wherein the noise reduction processing unit is used for compressing an audio signal lower than-38 d within a preset time to eliminate ambient noise; the frequency shift processing unit is used for shifting the frequency of the acquired audio signals by 3Hz to avoid the superposition of self-excited scream caused by the same-frequency audio components; the reverberation processing unit is used for carrying out dispersion, time delay attenuation and dry-wet ratio mixing processing on the audio signals to simulate the space sense and spaciousness sound effect. The WiFi communication device comprises a 2.4GWIFi device and a 5GWIFi device.

Specifically, as shown in fig. 6, a 2.4GWiFi communication device is integrated in the processor MTK7628AN, a 5G communication device MT7612E is additionally provided, the WiFi communication device receives an audio signal input from outside, the audio signal enters the reverberation adjustment AP8248 for analog-to-digital conversion after being subjected to front-end amplification processing by the 4558 device, then the audio signal is subjected to digital processing, the audio adjustment button selects the processing effect of the DSP chip, such as selection control of sound effects of classical sound, rock and roll sound, stereo sound, and the like, and the audio signal subjected to digital processing is directly transmitted to a speaker through a data line for playing, so that delay is low; the pin of the processor MTK7628AN is connected with a switch key, an OLED display screen and a 24MHZ crystal oscillator. The processor MTK7628AN is also connected with a memory FT card, which can store certain audio resources, and play the audio resources through the intelligent mobile device or key control.

In addition, when the battery is used for supplying power, the battery and the charging management chip IC-TP4056 are also included, a 5V data interface is used, and the data interface can be a USB interface, a microUSB, a Type-C and a common power interface, and the like.

The audio collecting and playing device based on WiFi according to this embodiment is a terminal product with a WiFi communication device and a speaker, such as a mobile terminal, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and a fixed terminal, such as a Digital TV, a desktop computer, and the like. The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiments of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.

As shown in fig. 7, in order to implement the hardware structure diagram of the mobile terminal according to various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 7:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with the network and other devices through quick payment of public transportation fees. The above-mentioned rapid payment of public transportation cost may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex-Long Term Evolution), and TDD-LTE (Time Division duplex-Long Term Evolution), etc.

WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send emails, browse pages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the utility model.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly processes an operating system, a user interface, an application program, and the like, and a modem processor, which mainly processes a quick payment of public transportation fees. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 7, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

The utility model discloses an audio acquisition playback devices based on wiFi through integrated wiFi communication device in the equipment casing, and the audio signal that other equipment sent can be received to wiFi communication device, conveys playback devices such as stereo set with audio signal in real time through wiFi communication device, has overcome radio frequency communication mode etc. and has easily received the interference, audio transmission's tone quality low scheduling problem. After the WiFi communication device is connected with the intelligent mobile equipment (intelligent mobile phone) and the like, the audio resources of the intelligent mobile phone can be collected and played, resource sharing is achieved, and the audio collecting and playing equipment has good interactivity.

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 the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for the convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present patent application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "secured," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present patent application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Claims (9)

1. The audio acquisition and playing equipment based on WiFi is characterized by comprising an equipment shell, an MCU (microprogrammed control unit) processor arranged in the equipment shell, an audio playing device connected with the MCU processor and a WiFi communication device; the WiFi communication device is used for receiving audio signals, and the audio playing device is connected with the WiFi communication device and used for playing the audio signals.

2. The WiFi-based audio acquisition playing device according to claim 1, further comprising a digital signal processing device in the device housing, wherein the digital signal processing device is connected with the MCU processor, and the digital signal processing device is used for performing audio signal digital processing on the audio signal; and transmitting the audio signal subjected to digital post-processing to the audio playing device.

3. The WiFi-based audio collection playing device according to claim 1, further comprising a power supply device and a voltage conversion device in the device housing, wherein the power supply device and the voltage conversion device are connected to the MCU processor.

4. The WiFi-based audio collection playing device according to claim 2, wherein the digital signal processing means at least comprises a noise reduction processing unit, a frequency shift processing unit and a reverberation processing unit, the noise reduction processing unit is configured to compress audio signals below-38 d for a preset time; the frequency shift processing unit is used for shifting the frequency of the acquired audio signal by 3 Hz; the reverberation processing unit is used for performing dispersion, time delay attenuation and dry-wet proportion mixing processing on the audio signal.

5. The WiFi-based audio capture playback device of claim 1 wherein the audio playback device is a speaker.

6. The WiFi-based audio collection playing device according to claim 1, wherein the WiFi communication device includes 2.4GWiFi device and 5GWiFi device.

7. The WiFi-based audio collection playing device according to claim 1, wherein a display screen is further arranged on the device housing, the display screen is connected with the MCU processor, and the display screen is used for displaying the audio signal parameters.

8. The WiFi-based audio collection and playing device according to claim 1, wherein a control key is arranged on the device housing, the control key at least comprises a switch key and an audio adjusting key, and the control key is connected with the MCU processor.

9. The WiFi-based audio collection playing device according to any one of claims 1 to 8, wherein the WiFi-based audio collection playing device is one of a sound box, an earphone, a television, a notebook, a tablet computer, a PC and an intelligent vehicle-mounted system, and the WiFi-based audio collection playing device is integrated with the WiFi communication device.

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