CN213028316U

CN213028316U - Integrated high-definition audio and video communication equipment

Info

Publication number: CN213028316U
Application number: CN202021015909.1U
Authority: CN
Inventors: 闫志宏; 唐庆光; 张维超; 王威
Original assignee: Guangdong Jeki Technology Development Co ltd
Current assignee: Guangdong Jeki Technology Development Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-20
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses an integrated high-definition audio and video communication device, which comprises a main controller, a network unit, an audio input unit and an audio output unit, and also comprises a video input unit and a video output unit which are respectively connected with the main controller; the video input unit comprises an SDI/CVBS signal input module and a DVI signal input module which are respectively connected with the signal conversion module; the signal conversion module is also connected with the main controller; the video output unit comprises a CVBS/RGB signal output module and an SDI signal output module, and the CVBS/RGB signal output module and the SDI signal output module are both connected with the main controller. The digital video recorder is provided with an SDI/CVBS signal input module, a DVI signal input module, a sound pick-up and an audio signal input unit, wherein the DVI signal input module can be connected with a peripheral camera; the device comprises a CVBS/RGB signal output module, an SDI signal output module, a display, an audio output unit and a loudspeaker.

Description

Integrated high-definition audio and video communication equipment

Technical Field

The utility model relates to an audio and video communication equipment technical field specifically is an integration high definition audio and video communication equipment.

Background

The development of media technology and mobile networks makes traditional VoIP new, and the emerging mobile VoIP is not limited to providing wired voice service, but is oriented to a wider intelligent mobile terminal market to provide services such as video call and instant message for short. The mobile VoIP has the advantages of convenient connection, convenient use, rich service and the like.

However, as traditional communication means are still used in many places at present, communication and management requirements cannot be met. For example, in a large vehicle such as a ship, when communication is performed between different cabins or with the outside, not only single audio communication but also video conversation is often required. However, the existing tools are often an interphone, a telephone, a marine broadcasting system and the like, but the functions of the traditional communication means are single, and the requirements of multi-directional conversation of audio and video and the like cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned prior art exists, provide integration high definition audio frequency and video communication equipment.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the integrated high-definition audio and video communication equipment comprises a main controller, a network unit, an audio input unit, an audio output unit, a video input unit and a video output unit, wherein the video input unit and the video output unit are respectively connected with the main controller;

the video input unit comprises an SDI/CVBS signal input module and a DVI signal input module which are respectively connected with the signal conversion module; the signal conversion module is also connected with the main controller;

the video output unit comprises a CVBS/RGB signal output module and an SDI signal output module, and the CVBS/RGB signal output module and the SDI signal output module are both connected with the main controller.

Further, the SDI/CVBS signal input module comprises a first video processor and an SDI/CVBS signal input; the signal conversion module, the first video processor and the SDI/CVBS signal input end are connected in sequence.

Furthermore, DVI signal input module includes DVI signal intensifier and the DVI signal input end of being connected with DVI signal intensifier the DVI signal intensifier is connected with signal conversion module.

Furthermore, the audio input unit comprises an audio input end, a first operational amplifier, an input audio A/D converter and an audio processing module which are connected in sequence; the audio processing module is also connected with the main controller.

Further, the input audio A/D converter comprises an analog-to-digital converter and a crystal oscillator connected with the analog-to-digital converter; the analog-to-digital converter is connected with the first operational amplifier.

Further, the audio processing module comprises an audio processor and a voltage stabilizer connected with the audio processor; the audio processor is connected with the analog-to-digital converter.

Further, the audio output unit comprises a second operational amplifier and an audio output end connected with the second operational amplifier; the second operational amplifier is also connected with the main controller.

Furthermore, the network unit comprises an onboard network port module, a network data conversion module and a network data transmission module which are connected in sequence; the network data transmission module is also connected with the main controller; the network data conversion module is used for converting parallel data in transmission into serial data.

Further, the network data conversion module comprises a first conversion part and a second conversion part; the network data transmission module comprises a first transmission part and a second transmission part; the first conversion part and the second conversion part are respectively connected with the first transmission part and the second transmission part; first conversion portion and second conversion portion all are connected with board and carry net gape module and connect.

The utility model has the advantages that:

the utility model provides an integration high definition audio frequency and video communication equipment has SDI/CVBS signal input module, DVI signal input module, can connect the peripheral hardware camera, has and audio signal input unit can connect the adapter to under main control unit's control, send the video information or the audio information that peripheral hardware camera and adapter gathered to the other side of communication through the network unit; the system comprises a CVBS/RGB signal output module, an SDI signal output module, a display and an audio output unit, wherein the CVBS/RGB signal output module and the SDI signal output module can be connected with the display, the audio output unit can be connected with a loudspeaker, and under the control of a main controller, the video signal or the audio signal of a communication counterpart is received through a network unit and is played through the display or the loudspeaker. Therefore, the utility model discloses can be used for on large-scale vehicles such as shipborne, on-vehicle, aircraft, realize audio and video to the lecture and many parties' conference function through internal network to can transmit the audio and video of the other side of communication back to command control center.

Drawings

Fig. 1 is a schematic circuit block diagram of the integrated high-definition audio/video communication device of the utility model;

fig. 2 is a schematic diagram of a circuit structure of the main controller of the present invention;

fig. 3 is a schematic circuit diagram of the first converting part of the present invention;

fig. 4 is a schematic circuit diagram of a second conversion portion of the present invention;

fig. 5 is a schematic circuit structure diagram of the first transmission unit of the present invention;

fig. 6 is a schematic circuit diagram of the second transmission unit according to the present invention;

fig. 7 is a schematic circuit diagram of the audio input unit of the present invention;

FIG. 8 is a schematic diagram of the input audio A/D converter of the present invention;

fig. 9 is a schematic circuit diagram of the audio processing module according to the present invention;

fig. 10 is a schematic diagram of the circuit structure of the audio output unit of the present invention;

fig. 11 is a schematic diagram of a circuit structure of the signal conversion module according to the present invention;

fig. 12a is a schematic diagram of a circuit structure of the SDI/CVBS signal input module of the present invention;

fig. 12b is a schematic diagram of the circuit structure of the SDI/CVBS signal input module of the present invention;

fig. 12c is a schematic diagram of the circuit structure of the SDI/CVBS signal input module of the present invention;

fig. 13 is a schematic diagram of the circuit structure of the DVI signal input module of the present invention;

FIG. 14a is a schematic diagram of the circuit structure of the CVBS/RGB signal output module of the present invention;

FIG. 14b is a schematic diagram of the circuit structure of the CVBS/RGB signal output module of the present invention;

fig. 15a is a schematic diagram of a circuit structure of the SDI signal output module of the present invention;

fig. 15b is a schematic diagram of the circuit structure of the SDI signal output module of the present invention;

fig. 15c is the circuit structure diagram of the SDI signal output module of the present invention.

In the figure: 1-main controller, 2-network unit, 21-first conversion section, 22-second conversion section, 23-first transmission section, 24-second transmission section, 3-audio input unit, 31-audio input terminal, 32-first operational amplifier, 33-input audio a/D converter, 331-analog-to-digital converter, 332-crystal oscillator, 34-audio processing module, 341-audio processor, 342-voltage regulator, 4-audio output unit, 41-second operational amplifier, 42-audio output terminal, 5-SDI/CVBS signal input module, 51-first video processor, 52-SDI/CVBS signal input terminal, 6-DVI signal input module, 61-DVI signal booster, 62-DVI signal input terminal, the device comprises a 7-CVBS/RGB signal output module, a 71-video amplifier, a 72-CVBS/RGB signal input end, an 8-SDI signal output module, a 81-second video processor, a 82-SDI signal output end and a 9-signal conversion module.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1 for the utility model provides an integration high definition audio and video communication equipment, including main control unit 1, main control unit 1 is integration high definition audio and video communication equipment's control center, is a microcontroller, and main control unit 1 is connected with audio input unit 3, audio output unit 4, video input unit, video output unit and network element 2.

The audio input unit 3 and the video input unit collect audio signals and video signals through a sound pick-up and a camera, and send the signals to the main controller 1, and the main controller 1 sends the signals to a communication counterpart through a network unit.

The main controller 1 receives an audio signal or a video signal sent by a communication counterpart and respectively sends the signal to the audio output unit 4 and the video output unit, the audio output unit 4 is connected with a loudspeaker, the video output unit is connected with a display, the loudspeaker plays the audio signal, and the display displays the video signal.

Referring to fig. 2-6, the network unit 2 includes an onboard network port module (not shown), a network data conversion module, and a network data transmission module, which are connected in sequence, and the network data transmission module is further connected with the main controller 1.

The network data conversion module includes a first conversion section 21 and a second conversion section 22. The network data transmission module includes a first transmission part 23 and a second transmission part 24.

The first conversion section 21 and the second conversion section 22 are connected to a first transmission section 23 and a second transmission section 24, respectively. In the transmission process, first conversion portion 21 and second conversion portion 22 convert parallel data into serial data, and first conversion portion 21 and second conversion portion 22 all are connected with board and carry the net gape module connection, and the external network switch of board year net gape module.

Referring to fig. 7, the audio input unit 3 includes an audio input terminal 31, a first operational amplifier 32, an input audio a/D converter 33, and an audio processing module 34, which are connected in sequence, and the audio processing module 34 is further connected to the main controller 1.

The audio input terminal 31 is an audio input interface, and the audio input interface is connected to an external microphone, and the external microphone picks up an external sound signal and transmits the sound signal to the operational amplifier 32 for amplification, and the amplified sound signal is transmitted to the input audio a/D converter 33 for processing.

Referring to fig. 8, the input audio a/D converter 33 includes an analog-to-digital converter 331 and a crystal 332. The analog-to-digital converter 331 is connected to the first operational amplifier 32, and performs analog-to-digital conversion on the amplified sound signal, so that the sound signal is converted from an analog signal to a digital signal, and then the signal is sent to the audio processing module 34.

Referring to fig. 9, the audio processing module 34 includes an audio processor 341, and a voltage regulator 342 connected to the audio processor 341. The audio processor 341 is connected to the analog-to-digital converter 331, and performs processing such as echo cancellation, noise reduction, gain adjustment, and the like on the digital audio signal sent by the analog-to-digital converter 331 after receiving the digital audio signal, so as to obtain a digital audio signal with better quality.

The audio processing module 34 is connected to the main controller 1, and transmits the processed digital audio signal to the main controller 1, and the main controller 1 transmits the signal to the communication partner through the network unit 2.

Referring to fig. 10, the audio output unit 4 includes a second operational amplifier 41 and an audio output terminal 42 connected to the second operational amplifier 41, and the second operational amplifier 41 is further connected to the main controller 1.

The main controller 1 receives the audio information from the communication party through the network unit 2, and sends the audio information to the second operational amplifier 41, the second operational amplifier 41 amplifies the audio information, and the audio output end 42 is connected with the external speaker, and plays the audio signal through the external speaker.

Referring to fig. 11, the video input unit includes an SDI/CVBS signal input module 5 and a DVI signal input module 6 respectively connected to a signal conversion module 9, and the signal conversion module 9 is connected to the main controller 1. An input signal enters a signal conversion module 9 through an SDI/CVBS signal input module 5 and/or a DVI signal input module 6, the signal conversion module 9 converts the input signal into a bt1120 signal and then sends the bt1120 signal to the main controller 1, and the main controller 1 sends the bt1120 signal to a communication counterpart through the network unit 2.

Referring to fig. 12a, 12b and 12c, the SDI/CVBS signal input module 5 includes a first video processor 51 and an SDI/CVBS signal input terminal 52, the signal conversion module 9, the first video processor 51 and the SDI/CVBS signal input terminal 52 are sequentially connected, a signal enters the first video processor 51 from the SDI/CVBS signal input terminal 52, and the first video processor 51 processes the video signal and then sends the processed video signal to the signal conversion module.

Referring to fig. 13, the DVI signal input module 6 includes a DVI signal enhancer 61 and a DVI signal input terminal 62 connected to the DVI signal enhancer 61, and the DVI signal enhancer 61 is connected to the signal conversion module 9.

The DVI signal is input from the DVI signal input terminal 62, the DVI signal enhancer 61 performs signal compensation thereon, and the DVI signal subjected to the signal compensation is sent to the signal conversion module 9.

Referring to fig. 1, the video output unit includes a CVBS/RGB signal output module 7 and an SDI signal output module 8, both the CVBS/RGB signal output module 7 and the SDI signal output module 8 are connected to the main controller 1, and the main controller 1 receives a video signal from a communication counterpart through the network unit 2 and outputs the video signal to the peripheral display through the CVBS/RGB signal output module 7 or the SDI signal output module 8 for display.

Referring to fig. 14a and 14b, the CVBS/RGB signal output module 7 includes a video amplifier 71 and a CVBS/RGB signal output terminal 72 connected to the video amplifier 71, and the CVBS/RGB signal output module 7 is connected to the main controller 1.

The main controller 1 receives video information from a communication partner through the network unit 2 and transmits the information to the video amplifier 71, the CVBS/RGB signal input terminal 72 is connected to a display, and the video amplifier 71 amplifies the video information and displays the video information on the display.

Referring to fig. 15a, 15b and 15c, the SDI signal output module 8 includes a second video processor 81 and an SDI signal output terminal 82 connected to the second video processor 81, the second video processor being connected to the network unit 2 to receive a video signal of a communication partner and convert the video signal from the BT1120 signal into an SDI signal, and the video output module 8 being connected to a display screen to display the video signal via the display screen.

The working principle is as follows:

when the device is used, the display is connected with the video output unit, and the camera is connected with the video input unit. The video output unit receives a video signal sent by a communication party and displays the signal through the display; the camera sends the collected video signal to the main controller 1 through the video input unit, and the main controller 1 sends the video signal to the communication counterpart through the network unit 2.

The audio input unit 3 is connected to a microphone, and the audio output unit 4 is connected to a speaker. The audio output unit 4 receives an audio signal sent by a communication partner and plays the signal through a loudspeaker; the sound pick-up sends the collected audio signal to the audio input unit 3, the audio input unit 3 sends the audio signal to the main controller 1, and the main controller 1 sends the audio signal to the communication counterpart through the network unit 2.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. Integration high definition audio and video communication equipment, including main control unit (1), network element (2), audio input unit (3) and audio output unit (4), its characterized in that: the device also comprises a video input unit and a video output unit which are respectively connected with the main controller (1);

the video input unit comprises an SDI/CVBS signal input module (5) and a DVI signal input module (6) which are respectively connected with the signal conversion module (9); the signal conversion module (9) is also connected with the main controller (1);

the video output unit comprises a CVBS/RGB signal output module (7) and an SDI signal output module (8), and the CVBS/RGB signal output module (7) and the SDI signal output module (8) are connected with the main controller (1).

2. The integrated high-definition audio-video communication device according to claim 1, characterized in that: the SDI/CVBS signal input module (5) comprises a first video processor (51) and an SDI/CVBS signal input (52); the signal conversion module (9), the first video processor (51) and the SDI/CVBS signal input end (52) are connected in sequence.

3. The integrated high-definition audio-video communication device according to claim 2, characterized in that: DVI signal input module (6) include DVI signal strengthener (61) and DVI signal input end (62) be connected with DVI signal strengthener (61) and signal conversion module (9) are connected.

4. The integrated high-definition audio-video communication device according to claim 1, characterized in that: the audio input unit (3) comprises an audio input end (31), a first operational amplifier (32), an input audio A/D converter (33) and an audio processing module (34) which are connected in sequence; the audio processing module (34) is also connected with the main controller (1).

5. The integrated high-definition audio-video communication device according to claim 4, characterized in that: the input audio A/D converter (33) comprises an analog-to-digital converter (331) and a crystal oscillator (332) connected with the analog-to-digital converter (331); the analog-to-digital converter (331) is connected to the first operational amplifier (32).

6. The integrated high-definition audio-video communication device according to claim 5, characterized in that: the audio processing module (34) comprises an audio processor (341) and a voltage regulator (342) connected with the audio processor (341); the audio processor (341) is connected with the analog-to-digital converter (331).

7. The integrated high-definition audio-video communication device according to claim 1, characterized in that: the audio output unit (4) comprises a second operational amplifier (41) and an audio output end (42) connected with the second operational amplifier (41); the second operational amplifier (41) is also connected with the main controller (1).

8. The integrated high-definition audio-video communication device according to any one of claims 1 to 7, characterized in that: the network unit (2) comprises an onboard network port module, a network data conversion module and a network data transmission module which are sequentially connected; the network data transmission module is also connected with the main controller (1); the network data conversion module is used for converting parallel data in transmission into serial data.

9. The integrated high-definition audio-video communication device according to claim 8, characterized in that: the network data conversion module comprises a first conversion part (21) and a second conversion part (22); the network data transmission module comprises a first transmission part (23) and a second transmission part (24); the first conversion part (21) and the second conversion part (22) are respectively connected with a first transmission part (23) and a second transmission part (24); the first conversion part (21) and the second conversion part (22) are connected with an onboard network port module.