CN215268538U - Recording and broadcasting equipment and system - Google Patents

Abstract

The utility model provides a recorded broadcast equipment and system, this recorded broadcast equipment includes: the wireless access point AP module, the processor, the coder-decoder and the communication module are arranged in the shell; the wireless access point AP module is respectively connected with the processor and the at least one camera, and is used for receiving the video acquired by the at least one camera and sending the video to the processor; the processor is connected with the coder-decoder and used for receiving the video collected by the at least one camera and determining whether to send the video collected by the at least one camera to the coder-decoder according to preset video selection information; the coder-decoder is connected with the communication module and used for coding the video selected by the processor and sending the coded video to the communication module; and the communication module is connected with the live broadcast platform and used for receiving the coded video and sending the coded video to the live broadcast platform.

Description

Recording and broadcasting equipment and system

Technical Field

The application relates to a recording and broadcasting technology, in particular to recording and broadcasting equipment and a recording and broadcasting system.

Background

The recording and broadcasting equipment plays a core role in the links of video and audio information processing, acquisition, transmission, recording and broadcasting and the like. Besides the normalized application scene, the application of the video and audio live broadcast and recorded broadcast is more and more extensive in the non-fixed scenes such as outdoor, training, meeting, teaching and research and the like.

The recording and broadcasting are that videos are collected through a wireless camera and sent to recording and broadcasting equipment, and then the recording and broadcasting equipment carries out local storage or live broadcasting. In the video and audio transmission process, a special image transmission sending module is matched with the wireless camera, and an image transmission receiving module is arranged in the recording and broadcasting equipment to realize video and audio transmission. And the transmission quality of the video and audio is improved. The anti-interference performance, stability and transmission distance in the video and audio transmission process affect the recording and playing effect.

However, in the above scheme, the wireless camera needs to be connected to the image transmission module during each recording and playing, so that the operation during recording and playing is complex, and the recording and playing efficiency is affected by the time consumed for device connection.

SUMMERY OF THE UTILITY MODEL

The application provides recorded broadcast equipment and system for wireless camera all need be connected with picture biography sending module when solving at every recorded broadcast, makes the recorded broadcast need insert extra peripheral equipment, and still influences recorded broadcast efficiency problem consuming time that equipment connects.

In a first aspect, the present application provides a recording and playing device, including: the wireless access point AP device comprises a shell, a wireless access point AP module, a processor, a coder-decoder and a communication module, wherein the wireless access point AP module, the processor, the coder-decoder and the communication module are arranged in the shell; the wireless access point AP module is respectively connected with the processor and the at least one camera, and is used for receiving the video acquired by the at least one camera and sending the video to the processor; the processor is connected with the codec and used for receiving the video collected by the at least one camera and determining whether to send the video collected by the at least one camera to the codec according to preset video selection information; the codec is connected with the communication module and used for coding the video selected by the processor and sending the coded video to the communication module; and the communication module is connected with the live broadcast platform and used for receiving the coded video and sending the coded video to the live broadcast platform.

Optionally, the device further comprises a wireless receiver; the wireless receiver is respectively connected with the wireless microphone and the processor, and is used for receiving the audio collected by the wireless microphone and sending the audio to the processor; the processor is used for receiving the audio collected by the wireless microphone and determining whether to send the audio collected by the wireless microphone to the codec according to preset audio selection information; the codec is further configured to encode the audio selected by the processor, and send the encoded audio to the communication module.

Optionally, the apparatus further comprises: and the audio processor is respectively connected with the wireless receiver and the processor and is used for receiving the audio collected by the wireless microphone, carrying out digital processing on the audio collected by the wireless microphone and sending the audio subjected to digital processing to the processor.

Optionally, the apparatus further comprises: and the human-computer interaction module is connected with the processor and used for receiving the audio selection information and the video selection information input by the user and sending the audio selection information and the video selection information to the processor.

Optionally, the apparatus further comprises: and the memory is connected with the coder decoder and used for receiving and storing the video and the audio coded by the coder decoder.

Optionally, the apparatus further comprises: and the screen projection module is respectively connected with the processor and the screen projection equipment and is used for projecting the video coded by the coder-decoder to the screen projection equipment.

Optionally, the device further comprises a video player and an audio player; the video player is connected with the coder-decoder and used for receiving and playing the video which is obtained by decoding the video sent by the live broadcast platform by the coder-decoder; and the audio player is connected with the coder-decoder and used for receiving and playing the audio which is obtained by decoding the audio sent by the live broadcast platform by the coder-decoder.

Optionally, the device further comprises a plurality of power supply network interfaces; each power supply network interface is used for connecting with a wireless camera.

In a second aspect, the present application provides a recording and broadcasting system, including: a recording device and a wireless camera as described in the first aspect and in various possible designs of the first aspect; the recording and broadcasting equipment is wirelessly connected with the wireless camera.

Optionally, the system further includes: and the live broadcast platform is in communication connection with the recording and broadcasting equipment and is used for receiving the audio and/or video sent by the recording and broadcasting equipment and sending the live broadcast audio and/or video to the recording and broadcasting equipment.

The application provides a recorded broadcast equipment and system, through integrated wireless access point AP module in recorded broadcast equipment, wireless access point AP module directly carries out wireless communication with the wireless camera, receive the video that the wireless camera gathered, this hardware of image transmission sending module has been saved, recorded broadcast in-process at every turn, no longer need carry out the line with wireless camera and image transmission sending module, the connection step of recorded broadcast in-process image transmission sending module has been reduced, it is consuming time to have saved the connection of image transmission sending module, recorded broadcast efficiency has been improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic diagram of a prior art recording and playing system;

FIG. 2 is a schematic diagram of another prior art recording and broadcasting system;

fig. 3 is a schematic structural diagram of the recording and broadcasting device provided by the present invention;

fig. 4 is a schematic structural diagram of a communication module provided by the present invention;

fig. 5 is a schematic structural diagram of a recording and broadcasting device provided by the present invention;

fig. 6 is a schematic structural diagram of the recording and broadcasting device provided by the present invention;

fig. 7 is a schematic structural diagram of a recording and broadcasting system according to an embodiment of the present application;

fig. 8 is a schematic diagram of live broadcast interaction provided by the present invention.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

In the description of the present application, it is noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

The recording system can record the Video (Video), Audio (Audio) and lecture notes (PPT) of the lecturer or lecturer into a standard network format in real time in a hardware device mode, and synchronously broadcast the lectures and lectures through a network and a server. The viewer can watch the live video and image contents by using an IE browser or a Media player. Because the recording and broadcasting system can share resources to more people, the recording and broadcasting system is popular among people. The portability of the recording and broadcasting system determines the use range of recording and broadcasting, and the use range of the recording and broadcasting system can be wider by improving the recording and broadcasting system. Two existing recording and broadcasting systems will be described below:

fig. 1 is a schematic diagram of a recording and broadcasting system in the prior art. As shown in fig. 1, the recording and broadcasting system includes: a camera 11 and a recording and playing device 12; the camera 11 is communicatively connected to a recording and playing device 12.

The recording and broadcasting equipment 12 is internally provided with a wireless communication WIFI module 121 and a 4G module 122; the WIFI module 121 can provide a wireless connection function for the recording and playing device 12, and wirelessly connect the recording and playing device 12 with the camera 11. The recording and broadcasting system has the working principle that: camera 11 gathers the video and transmits to recorded broadcast equipment 12 through WIFI module 121, and 4G module 122 is used for sending the video to live broadcast platform in order to live broadcast.

The network performance of the WIFI module in fig. 1 is unstable, which may affect video transmission, so that high-quality video transmission cannot be satisfied.

Fig. 2 is a schematic diagram of another recording and broadcasting system in the prior art. As shown in fig. 2, the recording and broadcasting system includes: a camera 21, an image transmission and transmission module 22 and a recording and broadcasting device 23;

wherein, the recording and broadcasting equipment 23 is internally provided with an image transmission and reception module 231 and a 4G module 232;

the camera 21 is connected with the image transmission and transmission module 22 by wire, the image transmission and transmission module 22 is connected with the image transmission and reception module 231 by wireless, and the image transmission and reception module 231 is connected with the 4G module 232.

The recording and broadcasting system has the working principle that: the camera 21 collects videos and sends the videos to the live broadcast platform for live broadcast through the image transmission sending module 22, the image transmission receiving module 231 and the 4G module 232 in sequence.

It can be seen that the wireless camera in fig. 2 needs to be matched with a dedicated wireless image transmission sending module, and a wireless image transmission receiving module 231 corresponding to the wireless image transmission sending module 22 needs to be built in the recording and broadcasting host 23, which results in the need of additional external devices and external wires. Therefore, when recording and broadcasting are carried out at every time, the camera and the image transmission sending module need to be connected, the operation is complex, the line connection time at every time can also prolong the time of the whole recording and broadcasting process, and the recording and broadcasting efficiency is influenced.

In order to solve the technical problems, the application provides that functions of external equipment are integrated in recording and broadcasting equipment, so that the number of external equipment required to be accessed by the recording and broadcasting equipment and wires are reduced.

The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.

Fig. 3 is a schematic structural diagram of the recording and broadcasting device provided by the present invention. As shown in fig. 3, the recording and playing apparatus includes: a housing 31, and a wireless access point AP module 32, a processor 33, a codec 34, and a communication module 35 disposed inside the housing 31.

The wireless access point AP module 32, the processor 33, the codec 34, and the communication module 35 are connected in sequence. The wireless access point AP module 32 is also wirelessly connected to at least one camera.

Optionally, the model of the wireless access point AP module is continent D3.

Specifically, the wireless access point AP module 32 is connected to at least one camera, and is configured to receive a video captured by the at least one camera, and send the video to the processor 33.

And the processor 33 is connected with the wireless access point AP module 32 and the codec 34, respectively, and is configured to receive the video acquired by the at least one camera, and determine whether to send the video acquired by the at least one camera to the codec according to preset video selection information.

And the codec 34 is connected with the communication module 35 and used for encoding the video selected by the processor and sending the encoded video to the communication module.

And the communication module 35 is connected with the live broadcast platform and used for receiving the coded video and sending the coded video to the live broadcast platform.

The live broadcast platform in this embodiment may be a common live broadcast platform or a cloud live broadcast platform.

It should be noted that, in this embodiment, if there are at least two wireless cameras connected to the recording and playing device, the preset video selection information may be the identifications of the at least two wireless cameras.

For example, the recording and playing device is connected to the camera 1 and the camera 2, and if the preset video selection information is to encode the video collected by the camera 1, the processor sends the video collected by the camera 1 to the codec for encoding.

If the preset video selection information is to encode the video acquired by the camera 1 and the video acquired by the camera 2, the processor needs to synthesize the videos acquired by the camera 1 and the camera 2, and send the synthesized videos to the codec for encoding.

IN this embodiment, the recording and playing device is provided with two High Definition Multimedia Interfaces (HDMI), and can support video input of two HDMI INs.

In the embodiment, the wireless access point AP module is integrated in the recording and broadcasting equipment, and the wireless access point AP module directly performs wireless communication with the wireless camera to receive the video acquired by the wireless camera, so that the hardware of an image transmission and sending module is omitted. In addition, in each recording and broadcasting process, the wireless camera is not required to be connected with the image transmission and sending module, so that the connection steps of the image transmission and sending module in the recording and broadcasting process are reduced, the time consumed for connecting the image transmission and sending module is saved, and the recording and broadcasting efficiency is improved.

In addition, the wireless access point AP module can provide characteristics of high concurrency and long-distance stable transmission based on an Artificial Intelligence (AI) adaptive algorithm, and can perform automatic adaptation of a channel, power, frequency, and the like according to a wireless network environment, thereby optimizing an image transmission function of the wireless camera.

In addition, when two or more recording and broadcasting equipment are simultaneously applied, the wireless access point AP module can not only improve the network performance, but also has an MESH ad hoc network mode, and can provide a high-reliability Wi-Fi application environment for other equipment in the application scene of the plurality of recording and broadcasting equipment.

Fig. 4 is a schematic structural diagram of the communication module provided by the present invention. As shown in fig. 4, the communication module 35 includes a network transmission module 41, a 5G network module 42, and a wired network module 43;

the network transmission module 41 is connected to the 5G network module 42 and the wired network module 43 through a Universal Serial Bus (USB).

Specifically, the network transmission module 41 may be connected to the 5G network module 42 and the wired network module 43 through a USB HUB (USB HUB), and the USB HUB provides an expansion function of a USB interface, so that the network transmission module 41 may be connected to the 5G network module 42 and the wired network module 43 at the same time.

The 5G network module 42 is configured to transmit a video acquired by the camera to a live broadcast platform through a wireless network for live broadcast, or receive a video or audio sent by the live broadcast platform.

And the wired network module 43 is configured to transmit the video acquired by the camera to a live broadcast platform through a wired network for live broadcast, or receive the video or audio sent by the live broadcast platform.

For example, the 5G network module 42 and the wired network module 43 respectively transmit the processed pictures or single-picture information to the live platform.

The 5G network module can provide strong and high-density access capability and high-speed uploading capability, and the effect of transmitting multi-channel high-definition, ultrahigh-definition and high-code-rate video and audio information to a live broadcast platform and a cloud platform is achieved.

Fig. 5 is a schematic structural diagram of the recording and broadcasting device according to the present invention. As shown in fig. 5, the recording device further comprises a wireless receiver 51.

And the wireless receiver 51 is respectively connected with the wireless microphone and the processor, and is used for receiving the audio collected by the wireless microphone and sending the audio to the processor.

In an alternative embodiment, the wireless microphone and the wireless receiver both operate in the U-band, that is, the wireless microphone is a wireless U-band microphone, and the wireless receiver is a wireless U-band receiver.

And the processor is used for receiving the audio collected by the wireless microphone and determining whether to send the audio collected by the wireless microphone to the codec according to the preset audio selection information.

And the coder and the decoder are also used for coding the audio selected by the processor and sending the coded audio to the communication module.

It should be noted that in this embodiment, the recording device may further be connected to a wired audio input device, and the preset audio selection information may be an identifier of at least two audio input devices (including a wireless microphone and a wired audio input device).

For example, the recording and playing device is connected to the wireless microphone and the wired audio input device, and if the preset audio selection information is to encode the audio collected by the wireless microphone, the processor sends the audio collected by the wireless microphone to the codec for encoding.

If the preset audio selection information is to encode the audio collected by the wireless microphone and the audio collected by the wired audio input device, the processor needs to mix the audio of the wireless microphone and the wired audio input device, and send the mixed audio to the codec for encoding.

Illustratively, in some scenes, the recording and playing device can record a lecture with PowerPoint as content, can capture other content (including dynamic content such as an electronic whiteboard, mouse operation, DVD, VCD, WMV, RM, and the like) of a teacher lecture screen in real time, and can synthesize the audio and video of the teacher into a standard streaming media courseware, and simultaneously record and play the audio and video stream and the screen content synchronously.

In this embodiment, through with wireless receiver embeds in recorded broadcast equipment, need not external wireless receiver, can improve equipment's integrated level, practice thrift the access of peripheral hardware wire rod.

With reference to fig. 5, the recording and playing device may further include an audio processor 52, where the audio processor 52 is disposed between the wireless receiver and the processor, and is respectively connected to the wireless receiver and the processor, and is configured to receive the audio collected by the wireless microphone, digitize the audio collected by the wireless microphone, and send the digitized audio to the processor.

Optionally, the audio processor may be a Digital Signal Processing (DSP) capable of performing audio Processing, and is configured to perform Processing such as denoising, amplifying, analog-to-Digital conversion, and the like on the acquired audio through a sound effect Processing algorithm, so as to improve audio effects under live broadcast and interactive application.

The recording and playing device of this embodiment is further provided with two linear stereo audio input interfaces, two omnidirectional pickup beam microphone input interfaces, two phantom power balance microphone input interfaces, and one HDMI audio input interface, so that two paths of linear stereo audio input can be simultaneously supported, two paths of omnidirectional pickup beam microphone input (each path of omnidirectional pickup beam microphone can effectively cover an area within a range of 4 meters), two paths of phantom power balance microphone input, one path of HDMI audio input, and one path of wireless receiver can realize audio acquisition of a wireless microphone.

Fig. 6 is a schematic structural diagram of the recording and broadcasting device provided by the present invention. As shown in fig. 6, the recording and playing device further includes a human-computer interaction module 61, connected to the processor, for receiving the audio selection information and the video selection information input by the user, and sending the audio selection information and the video selection information to the processor.

The man-machine interaction module 61 includes a display and a touch screen, the display can display the identifier of the camera currently connected to the recording and playing device, and a user can select a video to be encoded through touch operation of the touch screen.

Similarly, the display may also display an identifier of an audio input device currently connected to the recording and playing device, and a user may select an audio to be encoded through a touch operation of the touch screen.

With continued reference to fig. 6, the recording device may further include a memory 62 coupled to the codec for receiving the codec encoded video and encoded audio and storing locally for later playback of the video and audio and on-demand applications.

With reference to fig. 6, the recording and playing device may further include a screen projecting module 63, which is respectively connected to the processor and the codec, and is configured to project the video encoded by the codec to the screen projecting device. In a scene such as a conference, the recorded content can be projected while recording the conference content, so that the recorded content can be watched on a large screen.

With continued reference to fig. 6, the recording device may also include a video player 64 and an audio player 65.

And the video player 64 is connected with the codec and is used for receiving and playing the video which is obtained by decoding the video sent by the live platform by the codec.

The video player of the embodiment can support three-way HDMI video output.

And the audio player 65 is connected with the codec, and is configured to receive and play the audio obtained by decoding the audio sent by the live broadcast platform by the codec. The audio player of the present embodiment can support two-way linear stereo audio output and two-way HDMI audio output.

Alternatively, the audio player may be a loudspeaker, such as a loudspeaker box.

In this embodiment, the sound amplification function can be realized by the local audio player, and the display function can be realized by the local video player, so that the audio and video information processing and display functions in an interactive scene are satisfied. The rich audio input interfaces comprise linear audio input (LINE IN), HDMI IN, a wired microphone (MIC IN) and a wireless microphone (WMIC IN), and audio output interfaces such as HDMI OUT and linear audio output (LINE OUT) are integrated on the integrated machine, further, the audio input, acquisition and output under a normalized application scene are realized through an audio processor, the application function of a professional audio processor is completely realized on the integrated recording and broadcasting machine, and the external receiver is reduced due to the integration of a U section of the wireless microphone. The audio processing of the equipment is highly integrated, the audio performance and the processing effect are greatly improved, and a great number of peripheral wire rods are saved.

In this embodiment, the rich video and audio input and output interfaces can meet the application requirements of information acquisition of various different audios and videos. The recording and broadcasting equipment integrates video acquisition, audio acquisition, wireless audio acquisition, local display, touch control and other applications into one recording and broadcasting equipment by adopting an integrated design concept. The integration level of recorded broadcast equipment is higher, the portability of recorded broadcast equipment can be improved, a user can carry the recorded broadcast equipment at any time and any place to carry out recorded broadcast, for example, scenes of some mobile recorded broadcasts, such as outdoors, the user does not need to carry out complex wiring, and the mobile recorded broadcast can be realized through one recorded broadcast equipment and one camera.

With continued reference to fig. 6, the recording and broadcasting apparatus may further include a plurality of power supply network interfaces 66; each power supply network interface 66 is used for connecting with a wireless camera and supplying power to the wireless camera and the recording and broadcasting equipment. Alternatively, the plurality of supply network interfaces may be 3 supply network interfaces.

The embodiment can expand the image acquisition function of the camera, and can be used for accessing the camera with the POE function and supplying power to the camera with the POE function by arranging a plurality of POE (Power Over Ethernet) power supply network interfaces.

Fig. 7 is a schematic structural diagram of a recording and playing system according to an embodiment of the present application. As shown in fig. 8, the recording and broadcasting system includes: a video input source 71, an audio input source 72, a recording and playing device 73 and a live broadcast platform 74;

the video input source 71 includes a wireless camera, a wired camera, and the like.

The audio input source 72 includes a wireless microphone, a wired microphone, and the like.

The structure and principle of the recording and playing device 73 can be described with reference to the recording and playing devices in the embodiments shown in fig. 3 to 6, and are not described herein again.

The recording and broadcasting system of the embodiment has the working principle that: the video input source 71 collects videos, sends the videos to the recording and playing device 73 for processing, and then sends the videos to the live broadcasting platform 74 for live broadcasting.

For the processing of the video by the recording and playing device, reference may be made to the description of the processing of the video by the recording and playing device in the foregoing embodiments, and details are not described here.

Similarly, the audio input source 72 collects audio, sends the audio to the recording and playing device 73 for processing, and then sends the audio to the live platform 74 for live playing.

For the processing of the audio by the recording and playing device, reference may be made to the description of the processing of the audio by the recording and playing device in the foregoing embodiment, which is not described herein again.

Fig. 8 is a schematic diagram of live broadcast interaction provided by the present invention. As shown in fig. 8, taking two recording systems as an example, the two recording systems can perform live interaction. Illustratively, the two recording systems may be a recording system in which the anchor is located and a recording system in which the audience is located, and the anchor and the audience can interact with each other through the recording system of the embodiment, for example, to like, send gifts, send messages, and the like.

Finally, it should be noted that: other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.

Claims (10)

1. A recording and playing device, comprising: the wireless access point AP device comprises a shell, a wireless access point AP module, a processor, a coder-decoder and a communication module, wherein the wireless access point AP module, the processor, the coder-decoder and the communication module are arranged in the shell;

the wireless access point AP module is respectively connected with the processor and the at least one camera, and is used for receiving the video acquired by the at least one camera and sending the video to the processor;

the processor is connected with the codec and used for receiving the video collected by the at least one camera and determining whether to send the video collected by the at least one camera to the codec according to preset video selection information;

the codec is connected with the communication module and used for coding the video selected by the processor and sending the coded video to the communication module;

and the communication module is connected with the live broadcast platform and used for receiving the coded video and sending the coded video to the live broadcast platform.

2. The apparatus of claim 1, further comprising a wireless receiver;

the wireless receiver is respectively connected with the wireless microphone and the processor, and is used for receiving the audio collected by the wireless microphone and sending the audio to the processor;

the processor is used for receiving the audio collected by the wireless microphone and determining whether to send the audio collected by the wireless microphone to the codec according to preset audio selection information;

the codec is further configured to encode the audio selected by the processor, and send the encoded audio to the communication module.

3. The apparatus of claim 2, further comprising:

and the audio processor is respectively connected with the wireless receiver and the processor and is used for receiving the audio collected by the wireless microphone, carrying out digital processing on the audio collected by the wireless microphone and sending the audio subjected to digital processing to the processor.

4. The apparatus of claim 2, further comprising:

and the human-computer interaction module is connected with the processor and used for receiving the audio selection information and the video selection information input by the user and sending the audio selection information and the video selection information to the processor.

5. The apparatus of claim 2, further comprising:

and the memory is connected with the coder decoder and used for receiving and storing the video and the audio coded by the coder decoder.

6. The apparatus according to any one of claims 1-3, characterized in that the apparatus further comprises:

and the screen projection module is respectively connected with the processor and the screen projection equipment and is used for projecting the video coded by the coder-decoder to the screen projection equipment.

7. The apparatus of any of claims 1-3, further comprising a video player and an audio player;

the video player is connected with the coder-decoder and used for receiving and playing the video which is obtained by decoding the video sent by the live broadcast platform by the coder-decoder;

and the audio player is connected with the coder-decoder and used for receiving and playing the audio which is obtained by decoding the audio sent by the live broadcast platform by the coder-decoder.

8. The apparatus according to any one of claims 1-3, wherein the apparatus further comprises a plurality of power supply network interfaces;

each power supply network interface is used for connecting with a wireless camera.

9. A recording and broadcasting system, comprising: a video input source, an audio input source, and the recording device of any one of claims 1-8;

the video input source and the audio input source are respectively in communication connection with the recording and playing equipment.

10. The system of claim 9, further comprising:

and the live broadcast platform is in communication connection with the recording and broadcasting equipment and is used for receiving the audio and/or video sent by the recording and broadcasting equipment and sending the live broadcast audio and/or video to the recording and broadcasting equipment.

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