CN211209814U

CN211209814U - High equipment of clapping with audio frequency interaction function

Info

Publication number: CN211209814U
Application number: CN201922116250.2U
Authority: CN
Inventors: 王显利; 刘艳晖; 潘俊杰; 许超
Original assignee: Wuhan Xingtu Xinke Electronic Co ltd
Current assignee: Wuhan Xingtu Xinke Electronic Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-07
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a high-speed shooting device with audio interaction function, wherein the output end of a high-speed shooting acquisition module is connected with the input end of an image AD conversion submodule, the output end of the image AD conversion submodule is connected with an encoding submodule, and the encoding submodule is connected with a network exchange module; the output end of the audio acquisition submodule is connected with the echo cancellation submodule, the output end of the echo cancellation submodule is connected with the audio AD conversion submodule, and the output end of the audio AD conversion submodule is connected with the coding submodule. The coding submodule, the audio decoding submodule and the service control module are connected with the network switching module. The output end of the audio decoding submodule is connected with the audio DA conversion submodule, the output end of the audio DA conversion submodule is connected with the operational amplifier submodule, and the output end of the operational amplifier submodule is connected with the audio output module.

Description

High equipment of clapping with audio frequency interaction function

Technical Field

The utility model relates to an audio frequency and video communication field, concretely relates to high equipment of clapping with audio frequency interaction function.

Background

The existing high-speed shooting equipment only supports local checking of high-speed shooting images, but cannot realize the purposes of checking the high-speed shooting images in different places and sound interaction aiming at different-place office conditions, and is inconvenient in practical office use. The audio interaction high-speed shooting equipment with the audio coding function can effectively solve the problem, and the acquired high-speed shooting image and local audio information are coded and then transmitted through a network; and decoding and restoring the received coded information to high-shot images and audio information in different places, and outputting the high-shot images and the audio information, so that personnel in different areas in the same network can mutually perform audio information interaction and high-shot real-time image viewing through high-shot equipment.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in, can only look over the image locally to the above-mentioned appearance of clapping on the existing market, unable strange land audio frequency is mutual and the strange land technical problem who looks over the image, provides a high equipment of clapping with audio frequency interaction function and solves above-mentioned technical defect.

A high shooting device with an audio interaction function comprises a camera, a sound pick-up, a loudspeaker, an echo cancellation chip, an audio operational amplifier chip, an audio AD chip, an audio DA chip, a video AD chip, a coding ARM processor, a decoding ARM processor, a control ARM processor and a network switching component;

the output end of the camera is unidirectionally connected to the video AD chip, the output end of the sound pick-up is unidirectionally connected to the echo cancellation chip, the output end of the echo cancellation chip is unidirectionally connected to the audio AD chip, and the output ends of the video AD chip and the audio AD chip are respectively unidirectionally connected to the coding ARM processor; the output end of the decoding ARM chip is connected to the audio DA chip in a unidirectional mode, the output end of the audio DA chip is connected to the audio operational amplifier chip in a unidirectional mode, and the output end of the audio operational amplifier chip is connected to the loudspeaker in a unidirectional mode; the output end of the coding ARM processor and the input end of the decoding ARM processor are respectively connected to the network switching component in a unidirectional mode, and the control ARM processor is connected with the network switching component in a bidirectional mode.

Further, the camera is used for acquiring images in real time and transmitting the acquired images to the video AD chip, and the acquired images are analog signals; the video AD chip receives the analog signal sent by the high shooting acquisition module, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the sound pick-up is used for collecting real-time audio, transmitting the collected audio to the audio AD chip after echo cancellation processing, and the transmitted audio is an analog signal; the audio AD chip receives the analog signal sent by the echo cancellation chip, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the coding ARM processor receives digital signals sent by the video AD chip and the audio AD chip, codes the digital signals into IP video streams and transmits the IP video streams to the network switching component; and the external equipment acquires the real-time IP video stream provided by the coding ARM processor by connecting a plurality of interfaces on the network switching component, and controls the ARM processor to perform service control.

Further, the network switching component specifically includes a network PHY RT L8211, a switch board card and an RJ45 interface, the network PHY RT L8376 is connected to the output end of the encoding ARM processor, the input end of the decoding ARM processor and the control ARM processor respectively, and is also connected to the RJ45 interface through the switch board card, and the RJ45 interface is used for connecting a network.

Furthermore, the network switching component is used for receiving IP video streams from other high-speed shooting devices through a network and transmitting the IP video streams to the decoding ARM processor, the decoding ARM processor decodes the received IP video streams into digital signals and transmits the digital signals to the audio DA chip, the audio DA chip converts the received digital signals into analog signals, the analog signals are amplified through the operational amplifier chip and then transmitted to the loudspeaker, and the loudspeaker outputs the received analog signals in a sound mode.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a structural diagram of a high-speed shooting device with audio interaction function of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The camera is used for acquiring images in real time and transmitting the acquired images to the video AD chip, and the acquired images are analog signals; the video AD chip receives the analog signal sent by the high shooting acquisition module, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the sound pick-up is used for collecting real-time audio, transmitting the collected audio to the audio AD chip after echo cancellation processing, and the transmitted audio is an analog signal; the audio AD chip receives the analog signal sent by the echo cancellation chip, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the coding ARM processor receives digital signals sent by the video AD chip and the audio AD chip, codes the digital signals into IP video streams and transmits the IP video streams to the network switching component; and the external equipment acquires the real-time IP video stream provided by the coding ARM processor by connecting a plurality of interfaces on the network switching component, and controls the ARM processor to perform service control.

The network switching component adopts an RT L8211 scheme, uses an RJ45 interface, and specifically comprises a network PHY RT L8211, a switch board and an RJ45 interface, wherein the network PHY RT L8376 is respectively connected with the output end of the coding ARM processor, the input end of the decoding ARM processor and the control ARM processor, and is also connected with the RJ45 interface through the switch board, and the RJ45 interface is used for connecting a network.

The network switching component is used for receiving IP video streams from other high-speed shooting devices through a network and transmitting the IP video streams to the decoding ARM processor, the decoding ARM processor decodes the received IP video streams into digital signals and transmits the digital signals to the audio DA chip, the audio DA chip converts the received digital signals into analog signals, the analog signals are amplified through the operational amplifier chip and then transmitted to the loudspeaker, and the loudspeaker outputs the received analog signals in sound.

While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A high shooting device with an audio interaction function is characterized by comprising a camera, a sound pick-up, a loudspeaker, an echo cancellation chip, an audio operational amplifier chip, an audio AD chip, an audio DA chip, a video AD chip, a coding ARM processor, a decoding ARM processor, a control ARM processor and a network switching component, wherein the sound pick-up is connected with the audio AD chip through the audio DA chip;

2. The high-speed shooting device with the audio interaction function as claimed in claim 1, wherein the camera is used for collecting images in real time and transmitting the collected images to the video AD chip, and the collected images are analog signals; the video AD chip receives the analog signal sent by the high shooting acquisition module, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the sound pick-up is used for collecting real-time audio, transmitting the collected audio to the audio AD chip after echo cancellation processing, and the transmitted audio is an analog signal; the audio AD chip receives the analog signal sent by the echo cancellation chip, converts the analog signal into a digital signal and transmits the digital signal to the coding ARM processor; the coding ARM processor receives digital signals sent by the video AD chip and the audio AD chip, codes the digital signals into IP video streams and transmits the IP video streams to the network switching component; and the external equipment acquires the real-time IP video stream provided by the coding ARM processor by connecting a plurality of interfaces on the network switching component, and controls the ARM processor to perform service control.

3. The high-speed shooting device with audio interaction function as claimed in claim 1, wherein the network switch module comprises a network PHY RT L8211, a switch board card and an RJ45 interface, the network PHY RT L8376 is connected to the output terminal of the encoding ARM processor, the input terminal of the decoding ARM processor and the control ARM processor respectively, and is further connected to the RJ45 interface through the switch board card, and the RJ45 interface is used for connecting the network.

4. The high-speed shooting device with the audio interaction function as claimed in claim 1, wherein the network switching component is configured to receive IP video streams from other high-speed shooting devices via a network and transmit the IP video streams to the decoding ARM processor, the decoding ARM processor decodes the received IP video streams into digital signals and transmits the digital signals to the audio DA chip, the audio DA chip converts the received digital signals into analog signals, and then performs audio amplification via the operational amplifier chip and transmits the analog signals to the speaker, and the speaker performs audio output on the received analog signals.