CN216383221U

CN216383221U - Virtual live broadcast room

Info

Publication number: CN216383221U
Application number: CN202122688237.1U
Authority: CN
Inventors: 李皆慧
Original assignee: Antunji Beijing Technology Co ltd
Current assignee: Antunji Beijing Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-26
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a virtual live broadcast room, which comprises a shooting area with a background, lighting equipment, multi-camera equipment, audio acquisition equipment and computer equipment, wherein the multi-camera equipment at least comprises a head portrait camera, a chest portrait camera, a half-length portrait camera and a whole body portrait camera; the lighting equipment comprises a diffuse light lamp, a contour light lamp, a face light lamp and an auxiliary light lamp, wherein the diffuse light lamp, the contour light lamp and the face light lamp are arranged on a ceiling; the computer equipment comprises an audio and video synchronous synthesis system, a stream pushing and pulling system, a live broadcast and recording system and the like. The live broadcast room has the advantages that the shooting effect is real and natural, the multi-picture switching is free from jumping, the aesthetic feeling and artistic feeling of the picture are greatly improved, the interactive feeling and interestingness of live broadcast are improved, the cross-platform live broadcast and recorded broadcast with multiple machine positions, high image quality and high sound quality are realized, the investment cost is greatly reduced, and the manpower is saved.

Description

Virtual live broadcast room

Technical Field

The utility model relates to the technical field of live broadcast rooms, in particular to a virtual live broadcast room.

Background

The structure and the arrangement of the existing virtual live broadcast room, particularly a personal live broadcast room such as tremble sound or Taobao live broadcast with goods are usually simpler, and the problems of lack of reality and stereoscopic impression of pictures caused by imperfect lighting equipment exist; the camera shooting equipment is imperfect, which causes the problems of single machine position, single live broadcast picture, lack of visual change effect or jumping sense of picture switching and the like. These problems will directly affect the live look and feel. Therefore, the utility model mainly provides a professional virtual live broadcast room with good effect and lower cost aiming at the network live broadcast.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a virtual live broadcast room, which comprises a shooting area with a background, lighting equipment, multi-camera equipment, audio acquisition equipment and computer equipment, wherein the shooting area is provided with a background; the background at least comprises a first background plane, the first background plane is positioned on one surface of the shooting area, which is opposite to the multi-camera equipment, and one point in the shooting area is the position of a shot object; the computer equipment is respectively connected with the multi-camera equipment and the audio acquisition equipment;

the multi-camera equipment comprises a tripod, a main shaft perpendicular to the ground is arranged above a leg tube of the tripod, and a camera is arranged on the main shaft; the cameras at least comprise a head image camera, a chest image camera, a half-length image camera and a whole body image camera; the head portrait camera is arranged at the upper end of the main shaft, and the height of the head portrait camera is horizontal to the eyes of a shot person; the chest image camera is horizontal to the chin of the shot, the half-length image camera is horizontal to the chest of the shot, and the whole-body image camera is horizontal to the waist of the shot; in addition, in the cameras, at least the positions of the chest image camera, the half-length image camera and the whole body image camera form a straight line, and the straight line is parallel to the main shaft;

the lighting equipment comprises a diffuse light lamp, a contour light lamp, a face light lamp and an auxiliary light lamp; the diffused light lamp is fixedly arranged on a ceiling of the direct broadcast room and is positioned between the position of the shot object and the first background plane and close to the position of the shot object, and the diffused light lamp faces the ceiling and inclines away from the first background plane; the contour light lamps are fixedly arranged on a ceiling and are positioned between the position of a shot object and the first background plane and close to the first background plane, and the contour light lamps are respectively arranged at the positions close to the left side and the right side of the first background plane; the facial light lamp is fixedly arranged or movably arranged on the ceiling through a track and is positioned on one side of the position of the shot object, which is far away from the first background plane; the auxiliary light lamp is arranged on the ground at one side of the shot object, which is far away from the first background plane; the face light lamp and the auxiliary light lamp are both provided with a soft light box.

Preferably, the plurality of diffuse light lamps are arranged side by side between the left and right edges of the first background plane, and the straight lines where the plurality of diffuse light lamps are located are parallel to the first background plane and the ground.

Preferably, the track is parallel to the first background plane and the ground at the same time, and is fixedly installed on the ceiling, and the number of the facial light lamps is two, and the two facial light lamps are installed on the track side by side and can be respectively and independently moved left and right;

preferably, the lighting equipment also comprises an annular lamp, the annular lamp is fixedly arranged at the upper end of the main shaft, and the head portrait camera is positioned in the annular central position of the annular lamp.

Preferably, the diffuse light lamp, the contour light lamp, the face light lamp and the auxiliary light lamp are all provided with universal brackets, so that the irradiation angle of each light ray can be adjusted; the diffuse light lamp, the contour light lamp, the face light lamp and the auxiliary light lamp are all LED professional photographic lamps adopting COB lamp beads.

Preferably, the cameras further comprise a product camera, the product camera being level with the product being photographed.

Preferably, the tripod is a tripod with a telescopic spindle; in the camera, at least the chest image camera, the half-length image camera and the whole-body image camera are provided with universal supports, one end of each universal support is fixedly connected with the camera in a detachable mode, and a large force clamp is fixedly arranged at the other end of each universal support and is clamped and fixed on a main shaft.

Preferably, the background of the shooting area further comprises a second, a third and a fourth background planes which are vertically intersected at the left, right and lower parts of the first background plane; in the four planes of the background, ridges formed by the intersection of the two planes are smoothly transited by cambered surfaces, angles formed by the intersection of the three planes are smoothly transited by spherical surfaces, and the cambered surfaces have the same radius as the spherical surfaces and are smoothly connected, so that no edge angle exists in the background.

Preferably, the audio acquisition device comprises a sound card connected with the computer device, and a wired microphone, a wireless handheld microphone, a wireless head-wearing microphone and a wireless neck-clip microphone which are respectively connected with the sound card, the audio acquisition device based on network transmission and the audio acquisition device based on USB transmission; the sound card is also connected with a monitoring device.

Preferably, a monitoring screen is arranged on a wall surface on the opposite side of the first background plane in the live broadcast room, and the monitoring screen is connected with computer equipment to display live broadcast pictures in real time; the computer equipment comprises a program director, wherein the program director is placed on a program director table, and the program director table is positioned at the side position of a connecting line of the first background plane and the monitoring screen.

Compared with the prior art, the utility model has the following beneficial effects:

1. the lighting equipment in the virtual live broadcast room adopts an innovative lighting arrangement mode, scientifically and effectively simulates sky diffused light, direct light, reflected light and auxiliary light in the nature by matching and forming the diffused light, the outline light, the face light, the auxiliary light and the annular light, so that the lighting effect of the nature is perfectly reproduced, and all objects (such as a main broadcast) to be shot, the texture, the skin color, clothes and the like can be highly restored and are more real and natural.

2. According to the utility model, each camera of the multi-camera equipment in the virtual live broadcast room is respectively horizontal to the corresponding shooting reference position, so that the problem of perspective deformation of a shot picture is completely and effectively solved; the plurality of cameras are on the same straight line vertical to the ground, the cameras only have different visual angle heights, shot pictures are relatively uniform, the visual angle jumping feeling is avoided after the pictures are switched, and the live broadcast effect is better. And the selection and switching of the pictures shot by the multiple cameras can be conveniently carried out in real time through the directing and broadcasting equipment, so that the manpower and material resources are greatly saved, and the efficiency is improved.

3. The virtual live broadcast room is provided with the monitoring screen with a larger screen at the side opposite to the shooting area, so that the real-time monitoring of the main broadcast and the live broadcast room staff is more convenient.

4. The audio acquisition equipment adopts multi-channel acquisition, thereby greatly improving the sound quality and sound effect and realizing the live broadcast of the HiFi sound effect.

Drawings

Fig. 1 is a schematic diagram of a live broadcast room system according to an embodiment of the present invention.

Fig. 2 is a right-view diagram of a live broadcast room and some devices therein according to an embodiment of the present invention.

Fig. 3 is a schematic top view of a live broadcast room and some devices therein according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a multi-camera apparatus portion according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1, a virtual live broadcast room of the present invention includes a shooting area 2 (also called an image capturing area, a talk area, and a main broadcast area) with a background, a lighting device 3, a multi-camera device 4 (a video capturing device), an audio capturing device 5, and a computer device 6. The background comprises at least a first background plane 1, the first background plane 1 is located on a side of the shooting area 2 opposite to the multi-camera device 4, and a point in the shooting area 2 is a subject position 18. The computer device 6 is connected to the multi-camera device 4 and the audio acquisition device 5, respectively. An immersive projection large screen monitor screen 21 display system is also preferably included. The scheme solves the technical problems of single live broadcast picture, single machine position, lack of visual change effect, weaker audio quality and the like commonly existing in the existing live broadcast, and improves the live broadcast impression.

The improvement of the virtual live broadcast room of the present invention over the prior art mainly comprises the following aspects:

one, multiple camera equipment

Referring to fig. 4, the multi-camera device 4 of the live broadcast room includes a tripod 7, a long main shaft 8 perpendicular to the ground is arranged above a leg of the tripod 7, and a plurality of cameras are adjustably mounted on the main shaft 8.

The plurality of cameras includes at least an avatar camera 9, a chest image camera 10, a half-length image camera 11, and a whole body image camera 12, and preferably further includes a production camera 20. The head portrait camera 9 is arranged at the upper end of the main shaft 8 of the tripod 7, and the height of the head portrait camera is horizontal to the eyes of a shot person for shooting head portrait close-up. The chest image camera 10 is horizontal to the chin of the subject and is used for shooting a chest image. The bust camera 11 is horizontal to the chest of the subject and is used for shooting a bust. The whole-body image camera 12 is horizontal to the waist of the subject and is used for shooting a whole-body image and panoramic view of the live broadcast room. The product camera 20 is horizontal to the photographed product, and meets the requirement of photographing a close-up of the product when selling goods, for example, live broadcast. Each camera is respectively level with the corresponding shooting reference position, thus completely and effectively solving the problem of perspective deformation of the shot picture. Preferably, as shown in fig. 4, the head portrait camera 9 and the product camera 20 are pan-tilt cameras, which are in the prior art and have a device for carrying the cameras to rotate in both horizontal and vertical directions, and the rotation angles can be adjusted as required, so that the cameras can take images from multiple angles. Preferably, all the cameras can be selected to adopt a gun camera or a pan-tilt camera according to requirements.

Further, as shown in fig. 4, at least three of the chest image camera 10, the half body image camera 11, and the whole body image camera 12 are positioned in a straight line parallel to the main axis 8 and perpendicular to the ground. It will be appreciated that the avatar camera 9 and/or the product camera 20 may also be co-linear with the three. After the arrangement, the cameras only have different visual angle heights, so that shot pictures are relatively uniform, and the visual angle jumping feeling is avoided after the cameras are switched by the director.

In a specific embodiment, as shown in fig. 4, a large force clamp 25 and a (odd hand) universal bracket 24 are adopted for connecting the camera with the main shaft 8, one end of the universal bracket 24 is fixedly connected with the camera in a detachable mode, the other end of the universal bracket 24 is fixedly provided with the large force clamp 25, and the large force clamp 25 is clamped and fixed on the main shaft 8, so that the height installation and the free direction adjustment can be freely selected. Preferably, at least the chest image camera 10, the half-length image camera 11 and the whole body image camera 12 are connected by the universal bracket 24 for adjustment. Of course, the universal bracket 24 may be replaced by a general bracket with a non-adjustable angle, or the large force clamp 25 may be replaced by other detachable fixed connection structures. Preferably, the tripod 7 is a telescopic spindle tripod, which further facilitates the height adjustment of the cameras, for example the head camera 9.

The multi-camera equipment realizes the respective shooting of different compositions of panorama (whole body of a shot person), local (half body of the shot person), special writing (head portrait of the shot person), product details and the like of a live broadcast room/studio, can be adjusted to respectively shoot a main broadcast A, a main broadcast B and the like according to requirements, is convenient for selecting and switching pictures shot by the multi-camera in real time through the broadcasting guide equipment, greatly saves manpower and material resources, and improves the working efficiency and the live broadcast impression effect.

Two, digital LED lighting equipment

Referring to fig. 2 and fig. 3, as is well known in the art, a live broadcast room (or studio) has a camera device and a shooting area 2 (image capturing area), and a wall of the shooting area 2 facing the camera device is a first background plane 1. One point in the shooting area 2 is a shooting subject position 18, for example, the position of an anchor (subject person), which can be selected as needed. Hereinafter, an embodiment in which the subject of the image pickup is a person (hereinafter, referred to as a subject) will be described as an example.

This lighting apparatus 3 of live broadcast room adopts the LED specialty photography luminaire of COB lamp pearl, including diffuse light lamp 13, contour light lamp 14, facial light lamp 15, supplementary light lamp 16 and annular lamp 19.

The diffuse light lamp 13 is fixedly arranged on the ceiling of the live broadcast room shooting area 2, is inclined 15 degrees forward (towards the direction of the camera) and upwards at a distance of about 1.5-2 meters from the first background plane 1 behind the shot person, and irradiates the white ceiling, so that the light rays are reflected to irradiate the shot person, and the light effect of the skylight diffuse light is simulated. It is understood that if the above effects cannot be achieved due to the color, the decorative structure, etc. of the ceiling, the white reflection plate may be fixedly provided horizontally at the position where the ceiling is illuminated. In an embodiment, when the width of the first background plane 1 is 5 meters, four diffuse light lamps 13 are arranged side by side in parallel with the ground and the first background plane 1, and the distance between two adjacent diffuse light lamps 13 is about 1 meter.

The contour light lamps 14 are fixedly arranged on the ceiling of the live broadcast room shooting area 2, are respectively arranged at the positions which are 0.6 meter away from the first background plane 1 and 0.6 meter away from the left edge and the right edge of the first background plane 1, directly irradiate the head of a shot person, simulate the effect of direct sunlight and play a role of contour light.

The face light 15 is connected to the ceiling through a rail, is located right in front of the subject (in the direction in which the subject faces the camera), and is located at a distance of about 2 meters from the subject. The connection between the face light 15 and the ceiling is prior art, the track is fixed horizontally and horizontally on the ceiling, and the two face lights 15 are movably mounted side by side on the track. The two face lights 15 are each provided with a soft light box 18, which irradiates the subject obliquely downward at an angle of about 45 degrees, and plays a role of face light. Both the two face lights 15 can move left or right through the track, and can realize the effect of the face lights with various light qualities and angles by adding/replacing accessories such as a radar cover, a reflective umbrella, a standard cover and the like.

The auxiliary light 16 is placed on the ground about 3.5 meters in front of the subject (the direction in which the subject faces the camera) by means of a tripod 7, for example, and a soft light box 18 is attached to the auxiliary light 16, and the auxiliary light 16 faces and irradiates the subject, thereby achieving an auxiliary light effect. In a specific embodiment, the auxiliary light lamp 16 is one in number and is placed on the ground at a position on the side of the camera facing away from the first background plane 17.

The ring light 19, also called eye-light, is a prior art, and is provided on the side of the multi-camera apparatus 4 or close to the subject, at a position horizontal to the head of the subject. For example, in a specific embodiment, the annular lamp 19 is fixedly arranged at the upper end position of the main shaft 8 of the tripod 7 of the camera, the bottom end of the annular lamp 19 is provided with a connecting structure which is fittingly installed and connected with the top end of the main shaft 8, the inner wall of the annular inner circle of the annular lamp 19, which is positioned below, is also provided with a connecting structure which is fittingly installed and connected with the bottom of the head portrait camera 9, the head portrait camera 9 is arranged in the middle of the ring of the annular lamp 19, and the connecting structure is connected by matching screws and threaded holes; alternatively, the ring lamp 19 is connected to the main shaft 8 by means of a large clamp 25 and a gimbal 24, and the ring lamp 19 is disposed in front of the head camera 9 connected to the tip end of the main shaft 8 (the camera is directed toward the subject).

Preferably, the connection brackets of the lamps and the ceiling, the track, the ground tripod 7 and the like are all (odd hand) universal brackets 24 having a locking structure, so that the irradiation angle of each light can be adjusted. It is understood that the connecting bracket for fixing the lamp and the gimbal 24 are well known in the art, and are widely used in the field, so that the detailed description thereof is omitted.

The lighting equipment 3 is scientific and effective for accurately analyzing the sky diffused light, the direct light, the reflected light and the auxiliary light in the nature, and is arranged and applied by comprehensively considering factors such as light ratio, light quality, light sensation, light quantity, color temperature and the like, so that the lighting effect in the nature is perfectly reproduced, and all the texture, the skin color, the clothes and the like of a photographed person (a director) can be highly restored and are more real and natural. The light distribution is more comprehensive, saves the place, and is low to the requirement of building, simple structure, low in cost, and optics shadow effect is good, need not to carry out the later stage after the shooting and disappears the shadow and handle, saves the manual work, and it is convenient to adjust luminance, and work is high-efficient, can remember the grading parameter, easily realizes the standardization of shooting the operation, has improved the shooting effect of live broadcast greatly.

Structure of three, background

Referring to fig. 2 and 3, the background structure of the shooting area 2 of the live broadcast room adopts a U-shaped dead-corner-free studio system, and the background of the shooting area 2 further includes a second, a third and a fourth background planes vertically intersecting with the left, right and lower sides of the first background plane 1; in four planes of background, the arris that two planes are crossing to form all uses cambered surface smooth transition, the crossing angle that forms of three planes all uses spherical smooth transition, the cambered surface is the same with the sphere radius and level and smooth continuous for whole shooting area 2 does not have the dead angle, adopts professional image matting lacquer (also called shadow lacquer/blue case lacquer/green case lacquer) to handle again, for guaranteeing image matting quality, there is not deckle edge, black edge, and the effect of image matting out is more true and is taken the basis down.

Fourth, monitor the display system of the screen

Referring to fig. 2 and 3, a large monitor screen 21 is disposed on a wall surface of the live broadcast room opposite to the first background plane 1, and displays a live broadcast picture in real time in a projection manner for viewing. Preferably, as shown in fig. 3, the director table 23 on which the director 22 is placed is located at a side position of a connection line between the first background plane 1 and the monitor screen 21, so that the director is not shielded from viewing the monitor screen 21, and meanwhile, staff can conveniently view the shooting area 2, the monitor screen 21 and all other devices in the live broadcast room.

Fifth, audio acquisition equipment

Referring to fig. 1, the direct broadcasting room uses a plurality of audio collecting devices 5, including a wired microphone, a wireless handheld microphone, a wireless headset microphone, a wireless tie-in microphone, an audio collecting device based on network transmission, and an audio collecting device based on USB transmission, connected to a sound card, and transmits the collected audio to a computer device 6 such as a director 22 by using line input or wireless input. The multi-channel acquisition and sound effect processing system greatly improves the sound quality and sound effect and realizes the live broadcast of the HiFi sound effect. The sound card is also connected with a monitoring device and a system.

Sixth, audio and video synchronous synthesis system

The audio and video synchronous synthesis system adopted by the live broadcast room system synchronously encodes audio and video data acquired from the audio acquisition device and the video acquisition device by taking system time as a reference, synthesizes data streams by taking H.264 and AAC as formats, and is easy to realize according to the prior art. Therefore, the live broadcast effect with high image quality, high tone quality and low time delay can be realized, and the technical problems of delay, poor tone quality/image quality and unsynchronized sound and picture existing in the existing live broadcast are solved.

Seven, push flow and pull flow

The live broadcast room supports real-time streaming media, including RTMP push-to-pull streaming, push-to-push streaming, one-to-one pull streaming application, and one-to-many connection, and the process is easy to realize according to the prior art. Therefore, cross-platform real-time broadcasting of audio and video information on the network can be realized, and the problem that the existing live broadcast cannot be cross-platform live broadcast is solved.

Eight, live broadcast, recorded broadcast

The computer equipment 6 in the live broadcast room encodes the processed audio and video data into a data form which can be identified by a terminal and transmits the data form to a network appointed URL address for playing and displaying, or records an AVI and MP4 general video format and stores the video format in a local disk for local recording and storage and non-editing recording and broadcasting, and the process is easy to realize according to the prior art. Therefore, cross-platform multi-machine-position online live broadcast or recorded broadcast can be realized on the premise of ensuring high-quality audio and video quality, so that the user experience and the impression are enhanced.

In conclusion, the virtual live broadcast room disclosed by the utility model adopts shooting background without dead angles, scientific light arrangement, multi-camera setting and lossless multi-path audio and video acquisition, and solves the problems of background dead angle shadow, poor light effect, dissonance and color rendering of light, jitter, deformation and the like caused by dissonance of machine position arrangement. The scheme is not only fast and convenient to install and arrange, but also realizes the relatively uniform effect of multi-angle and multi-scene switching multi-picture visual angles, so that live broadcast pictures are continuous and smooth, the perspective deformation of the pictures is effectively controlled, the aesthetic feeling and artistic feeling of the pictures are greatly improved, the interactive feeling and interestingness of live broadcast are improved, audiences can be stably kept by the anchor broadcast in a warm field stage, meanwhile, the investment cost is greatly reduced, and the manpower is saved.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A virtual live broadcast room, comprising: the system comprises a shooting area (2) with a background, a lighting device (3), a multi-camera device (4), an audio acquisition device (5) and a computer device (6); the background at least comprises a first background plane (1), the first background plane (1) is positioned on one side of the shooting area (2) opposite to the multi-camera device (4), and one point in the shooting area (2) is a shot object position (18); the computer equipment (6) is respectively connected with the multi-camera equipment (4) and the audio acquisition equipment (5);

the multi-camera equipment comprises a tripod (7), a main shaft (8) vertical to the ground is arranged above a foot tube of the tripod (7), and a camera is arranged on the main shaft (8); the cameras at least comprise an head image camera (9), a chest image camera (10), a half-length image camera (11) and a whole body image camera (12); the head portrait camera (9) is arranged at the upper end of the main shaft (8), and the height of the head portrait camera is horizontal to the eyes of a shot; the chest image camera (10) is horizontal to the chin of a shot person, the half-length image camera (11) is horizontal to the chest of the shot person, and the whole body image camera (12) is horizontal to the waist of the shot person; in the cameras, at least the chest image camera (10), the half-length image camera (11) and the whole body image camera (12) are positioned in a straight line parallel to the main shaft (8);

the lighting equipment comprises a diffuse light lamp (13), a contour light lamp (14), a face light lamp (15) and an auxiliary light lamp (16); the diffuse light lamp (13) is fixedly arranged on a ceiling of the live broadcast room and is positioned between the shot object position (18) and the first background plane (1) and close to the shot object position (18), and the diffuse light lamp (13) faces the ceiling and inclines in a direction far away from the first background plane (1); the contour light lamp (14) is fixedly arranged on a ceiling, is positioned between the shot object position (18) and the first background plane (1) and close to the first background plane (1), and is respectively provided with one contour light lamp (14) at the position close to the left side and the right side of the first background plane (1); the face light lamp (15) is fixedly arranged or movably arranged on a ceiling through a track and is positioned on one side of the shot object position (18) far away from the first background plane (1); the auxiliary light lamp (16) is arranged on the ground at one side of the shot object position (18) far away from the first background plane (1); the face light lamp (15) and the auxiliary light lamp (16) are both provided with a soft light box.

2. A virtual live broadcast room as claimed in claim 1, characterized by: the diffuse light lamps (13) are arranged between the left edge and the right edge of the first background plane (1) side by side, and the straight lines where the diffuse light lamps (13) are arranged are parallel to the first background plane (1) and the ground.

3. A virtual live broadcast room as claimed in claim 2, characterized in that: the track is parallel to the first background plane (1) and the ground and is fixedly installed on a ceiling, and the number of the face lights (15) is two, and the face lights are installed on the track side by side and can be respectively and independently moved left and right.

4. A virtual live broadcast room as claimed in claim 1, characterized by: still include annular lamp (19) among lighting apparatus (3), annular lamp (19) are fixed to be set up main shaft (8) upper end position, head portrait camera (9) are located the annular central point of annular lamp (19).

5. A virtual live broadcast room as claimed in claim 1, characterized by: the diffuse light lamp (13), the contour light lamp (14), the face light lamp (15) and the auxiliary light lamp (16) are all provided with universal brackets, so that the irradiation angle of each light ray can be adjusted; diffuse light lamp (13), contour light lamp (14), facial light lamp (15) with supplementary light lamp (16) are the LED specialty photography luminaire who adopts COB lamp pearl.

6. A virtual live broadcast room as claimed in claim 1, characterized by: the camera also includes a product camera (20), the product camera (20) being level with the product being photographed.

7. A virtual live broadcast room as claimed in claim 1, characterized by: the tripod (7) is a tripod with a telescopic spindle; in the camera, at least the chest image camera (10), the half-length image camera (11) and the whole body image camera (12) are provided with universal supports (24), one end of each universal support (24) is detachably and fixedly connected with the camera, a large force clamp (25) is fixedly arranged at the other end of each universal support (24), and the large force clamp (25) is clamped and fixed on the main shaft (8).

8. A virtual live room as claimed in any one of claims 1-7, characterized by: the background of the shooting area (2) further comprises a second, a third and a fourth background planes which are vertically intersected at the left, the right and the lower parts of the first background plane (1); among the four planes of the background, the ridges formed by the intersection of the two planes are smoothly transited by cambered surfaces, the angles formed by the intersection of the three planes are smoothly transited by spherical surfaces, and the cambered surfaces have the same radius as the spherical surfaces and are smoothly connected with the spherical surfaces, so that no edge angle exists in the background.

9. A virtual live room as claimed in any one of claims 1-7, characterized by: the audio acquisition equipment (5) comprises a sound card connected with the computer equipment (6), and a wired microphone, a wireless handheld microphone, a wireless head-wearing microphone, a wireless neck-clip microphone, audio acquisition equipment based on network transmission and audio acquisition equipment based on USB transmission which are respectively connected with the sound card; the sound card is also connected with a monitoring device.

10. A virtual live room as claimed in any one of claims 1-7, characterized by: a monitoring screen (21) is arranged on a wall surface of one side of the live broadcast room opposite to the first background plane (1), and the monitoring screen (21) is connected with the computer equipment (6) to display live broadcast pictures in real time; the computer equipment (6) comprises a director (22), the director (22) is placed on a director table (23), and the director table (23) is located at the side position of a connection line of the first background plane (1) and the monitoring screen (21).