CN114268758A - Virtual reality signal conversion system and virtual reality equipment - Google Patents
Virtual reality signal conversion system and virtual reality equipment Download PDFInfo
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- CN114268758A CN114268758A CN202111584094.8A CN202111584094A CN114268758A CN 114268758 A CN114268758 A CN 114268758A CN 202111584094 A CN202111584094 A CN 202111584094A CN 114268758 A CN114268758 A CN 114268758A
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Abstract
The invention relates to a virtual reality signal conversion system and virtual reality equipment. The virtual reality signal conversion system includes: the signal conversion module is adapted to virtual reality equipment with an all-in-one machine mode and a personal computer mode, can be in communication connection with a video source of the virtual reality equipment in a wired or wireless mode, and can convert a video signal received from the HDMI into at least one path of video signal received by MIPI CSI; the control module is electrically connected with the signal conversion module and is used for processing the video signal received by the MIPI CSI; and the display device is electrically connected with the control module so as to receive the video signal processed by the control module and display a corresponding video picture. According to the technical scheme, the high-definition video signals can be transmitted and displayed without delay, the virtual reality device can adapt to different working modes, a bridging chip adaptive to a PC mode does not need to be additionally arranged, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of virtual reality, in particular to a virtual reality signal conversion system and virtual reality equipment.
Background
In an existing Virtual Reality (VR) product, for a High-speed video source signal, such as a video signal received by an HDMI (High Definition Multimedia Interface), transmission is generally performed in a USB (Universal Serial Bus) manner. However, when the video signal received by the HDMI is transmitted in the USB mode, algorithm conversion is usually performed on the image of the graphics card, which easily causes delay of the video signal, and the USB interface is also occupied, which is not beneficial to video output of the virtual reality product, and is inconvenient to use and affects user experience.
Disclosure of Invention
In view of the above, the present invention provides a virtual reality signal conversion system and a virtual reality device, which can convert a video signal received by an HDMI (High Definition Multimedia Interface) and perform delay-free transmission.
To solve the above technical problem, the present invention provides a virtual reality signal conversion system, including: the signal conversion module is adapted to a virtual reality device with an integrated mode and a Personal Computer (PC) mode, and can be in communication connection with a video source of the virtual reality device in a wired or wireless manner, and convert a video signal received from an HDMI into a video signal received by at least one path of MIPI CSI (Mobile Industry Processor Interface, Camera Interface conforming to a Mobile Industry Processor Interface protocol); the control module is electrically connected with the signal conversion module and is used for processing the signals received by the MIPI CSI; and the display device is electrically connected with the control module so as to receive the video signal processed by the control module and display a corresponding video picture.
In one possible implementation, the signal conversion module includes: the device comprises a conversion chip, a first signal input port and a first signal output port; the first signal input port is used for being connected with the video source, and the conversion chip can convert a video signal received by the HDMI into a video signal received by the MIPI CSI; the first signal output port is electrically connected with the control module to transmit the video signal received by the MIPI CSI to the control module.
In one possible implementation, the control module includes: the control chip, the second signal input port and the second signal output port; the second signal input port is electrically connected with the first signal output port, the second signal output port is electrically connected with the display device, and the control chip processes the video signal received by the MIPI CSI and transmits the video signal to the display device through the second signal output port.
In a feasible implementation manner, the control chip is a main control chip of the virtual reality all-in-one machine.
In one possible implementation, the number of the first signal output ports is at least one; the number of the second signal input ports is matched with that of the first signal output ports, and each second signal input port is electrically connected with one first signal output port.
In one possible implementation, the number of the second signal output ports matches the number of the second signal input ports; the number of the display devices is matched with that of the second signal output ports, and each first signal output port is electrically connected with one display device.
In one possible implementation, the first signal output port, the second signal input port, the second signal output port and the display device are all two; the conversion chip converts the video signals received by the HDMI into two paths of video signals received by the MIPI CSI, and the two paths of video signals are transmitted to the corresponding display device through the corresponding first signal output port, the second signal input port and the second signal output port.
In one possible implementation, the second signal input port is MIPI CSI (camera interface compliant with mobile industry processor interface protocol).
In one possible implementation, the first signal input port is an HDMI (high definition multimedia interface).
The invention also provides virtual reality equipment comprising the virtual reality signal conversion system.
The invention has the beneficial effects that:
1. the video signal received by the HDMI can be directly converted into the video signal received by the MIPI CSI so as to be matched with the control module, and therefore the video signal is transmitted to the display device without delay, the display picture of the display device is not affected, and the improvement of user experience is facilitated;
2. the signal conversion module can be adapted to virtual reality equipment with an all-in-one machine mode and a PC mode, high-definition video signals from a video source can be converted through the signal conversion module, the universality is high, a bridging chip adapted to the PC mode does not need to be additionally arranged, and cost reduction is facilitated.
3. The problem that a main control chip of the virtual reality all-in-one machine does not have a high-definition multimedia interface to input high-speed video signals can be effectively solved, an additional signal interface is not required to be arranged, the existing USB interface of the main control chip of the virtual reality all-in-one machine is not required to be occupied, normal use of the USB interface is not influenced, and the virtual reality all-in-one machine is more convenient to use.
Drawings
Fig. 1 is a schematic block diagram of a virtual reality signal conversion system according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of a virtual reality signal conversion system according to an embodiment of the present invention.
Fig. 3 is a schematic block diagram of a virtual reality signal conversion system according to an embodiment of the present invention.
Fig. 4 is a schematic block diagram of a virtual reality signal conversion system according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram of a virtual reality signal conversion system according to an embodiment of the present invention.
Fig. 6 is a schematic block diagram of a virtual reality device according to an embodiment of the present invention.
Description of reference numerals:
10 virtual reality signal conversion system, 101 signal conversion module, 1011 conversion chip, 1012 first signal input port, 1013 first signal output port, 102 control module, 1021 control chip, 1022 second signal input port, 1023 second signal output port, 103 display device, 1031 LCD, 20 video source, 30 virtual reality equipment.
Detailed Description
In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the present invention provides a virtual reality signal conversion system 10, which can be applied to a virtual reality device to convert a video signal received by HDMI into a video signal received by MIPI CSI, so as to display a picture through a display device 103.
The virtual reality signal conversion system 10 includes a signal conversion module 101, a control module 102, and a display device 103. The signal conversion module 101 is adapted to a virtual reality device having an all-in-one machine mode and a PC mode, and the signal conversion module 101 can be in communication connection with a video source 20 of the virtual reality device and is used for receiving a video signal from the video source 20; the signal conversion module 101 performs signal data conversion operation on the video signal received by the HDMI, and outputs the video signal received by the MIPI CSI. The communication connection between the signal conversion module 101 and the video source 20 may be a wired connection or a wireless connection. The control module 102 is electrically connected with the signal conversion module 101 and the display device 103 respectively; the video signal received by the MIPI CSI output by the signal conversion module 101 is transmitted to the control module 102, and is transmitted to the display device 103 after being processed by the control module 102. The display device 103 displays a corresponding video screen based on the received video signal. The signal conversion module 101 may convert a video signal received by the HDMI into at least one video signal received by the MIPI CSI, which may be specifically set according to the number of ports of the control module 102 and the number of the display devices 103.
When the virtual reality signal conversion system 10 is applied to virtual reality equipment, a video signal received by the MIPI CSI is processed by the control module 102 and then transmitted to the display device 103, so that the problem of signal delay in the signal transmission process of the existing virtual reality all-in-one machine can be effectively solved, and the display device 103 can normally display a high-definition video picture; the signal conversion module 101 can be adapted to a virtual reality device having an all-in-one machine mode and a PC mode, and high definition video signals from a video source can be converted by the signal conversion module 101, wherein in the all-in-one machine mode, the high definition video signals can be from the video source of the virtual reality device itself, and in the PC mode, the high definition video signals can also be from a PC externally connected to the virtual reality device.
The virtual reality signal conversion system 10 in this embodiment can perform signal conversion on high definition video signals from different video sources, displays corresponding video pictures, can be compatible with different working modes and different signal transmission modes of virtual reality equipment, has strong universality, does not need to additionally set a bridge chip adapted to a PC mode, and is favorable for reducing cost. On the other hand, need not to change current interface structure, plug-and-play, it is comparatively convenient, and need not to occupy the USB interface of virtual reality all-in-one, be favorable to improving user experience.
It should be noted that the electrical connection described in the embodiments of the present invention includes, but is not limited to, a communication connection, and specifically, the electrical connection includes a wired communication connection and a wireless communication connection.
In some embodiments of the present invention, as shown in fig. 2, the signal conversion module 101 specifically includes a conversion chip 1011 and a first signal input port 1012 and a first signal output port 1013. The conversion chip 1011 is connected to the first signal input port 1012 and the first signal output port 1013, respectively, so as to perform signal input and output. First signal input port 1012 is for coupling to video source 20 to receive a video signal from the video source; the first signal output port 1013 is electrically connected to the control module 102. The conversion chip 1011 converts the video signal received by the HDMI into the video signal received by the MIPI CSI, and then transmits the video signal to the control module 102 through the first signal output port 1013. For virtual reality equipment such as an existing virtual reality all-in-one machine and the like, MIPI CSI belongs to an adaptable signal standard interface, delay is hardly generated in a signal transmission process and a display process, and a video picture effect is good.
In some embodiments of the present invention, as shown in fig. 3, the control module 102 specifically includes a control chip 1021, and a second signal input port 1022 and a second signal output port 1023. The control chip 1021 is connected to the second signal input port 1022 and the second signal output port 1023, respectively, for signal input and output. The second signal input port 1022 is electrically connected to the first signal output port 1013 of the signal conversion module 101, and is configured to receive the converted video signal; the second signal output port 1023 is electrically connected to the display device 103. The control chip 1021 processes the video signal received by the MIPI CSI, and transmits the processed video signal to the display device 103 through the second signal output port 1023 according to the use requirement. The display device 103 displays a corresponding video screen based on the received video signal. In which a video signal can display a video picture in the display device 103 by the preview mode.
Further, control chip 1021 can be virtual reality all-in-one main control chip to utilize the structure of current equipment, also can utilize the video signal output video picture that HDMI received under the condition that current virtual reality all-in-one main control chip does not have HDMI (high definition multimedia interface), can realize plug-and-play, convenient and fast saves the cost.
In some embodiments of the present invention, the number of the first signal output ports 1013 of the signal conversion module 101 is at least one, that is, one or more, and correspondingly, the number of the second signal input ports 1022 of the control module 102 matches the number of the first signal output ports 1013, when there are a plurality of the first signal output ports 1013, there are a plurality of the second signal input ports 1022, and each of the first signal output ports 1013 is electrically connected to one of the second signal input ports 1022 (as shown in fig. 4), so that the video signal received by HDMI is converted into multiple MIPI CSI received video signals and is transmitted to the control chip 1021 respectively. Correspondingly, the number of the second signal output ports 1023 of the control module 102 is at least one, i.e. one or more, and the number of the display devices 103 matches with the number of the second signal output ports 1023, i.e. when the number of the second signal output ports 1023 is multiple, the display devices 103 are also multiple, and each second signal output port 1023 is electrically connected with one display device 103 (as shown in fig. 4) to respectively transmit video signals to each display device 103.
Preferably, the number of the first signal output ports 1013, the second signal input ports 1022, the second signal output ports 1023 and the display devices 103 is the same, and the configuration can be optimized, so that each path of video signal finally passes through one corresponding display device 103 to display a video picture, for example, different video contents can be respectively displayed. As shown in fig. 4, the number of the first signal output port 1013, the second signal input port 1022, the second signal output port 1023, and the number of the display devices 103 may be two, that is, two paths of video signals are transmitted simultaneously, and the two display devices 103 display video pictures, so that a dual display mode is implemented, and when the two paths of video signals are both 4K high definition signals, a dual 4K video output can be implemented.
Further, the second signal input port 1022 may be an MIPI CSI (camera interface that conforms to the interface protocol of the mobile industry processor), that is, a camera interface of the existing virtual reality all-in-one machine may be directly used as the second signal input port 1022, so that the interface configuration of the existing virtual reality all-in-one machine may be fully utilized, the number of interfaces does not need to be additionally increased, and the second signal input port has good universality and is convenient to use.
In some embodiments of the present invention, first signal input port 1012 is an HDMI (high definition multimedia interface) to be compatible with the video signal of video source 20 to receive a corresponding high definition video signal.
In some embodiments of the invention, as shown in fig. 5, the display device 103 may include a Liquid Crystal Display (LCD)1031 to display video pictures. Of course, the display device 103 may include a light emitting diode display (LED display) instead, and other forms of video display devices may be adopted, without being limited to the example in the present embodiment.
The following is a specific embodiment of the virtual reality signal conversion system of the present invention:
as shown in fig. 5, the virtual reality signal conversion system 10 includes a signal conversion module 101, a control module 102, and a display device 103. The signal conversion module 101 specifically includes a conversion chip 1011, and two first signal input ports 1012 and two first signal output ports 1013. The control module 102 specifically includes a control chip 1021, two second signal input ports 1022 and two second signal output ports 1023, where the control chip 1021 is a virtual reality all-in-one main control chip, the second signal input port 1022 is a camera interface of the virtual reality all-in-one machine, and the camera interface is an MIPI CSI (camera interface conforming to a mobile industry processor interface protocol); the first signal input port 1012 is an HDMI (high definition multimedia interface). The number of display devices 103 is two, specifically two Liquid Crystal Displays (LCDs) 1031.
The conversion chip 1011 is adapted to a virtual reality device having an all-in-one mode and a PC mode, each of the first signal output ports 1013 is electrically connected to one of the second signal input ports 1022, and each of the second signal output ports 1023 is electrically connected to one of the Liquid Crystal Displays (LCD) 1031. The first signal input port 1012 can be in communication connection with the video source 20 of the virtual reality device, and the connection mode can be a wired connection or a wireless connection; when the conversion chip 1011 receives the video signals from the video source 20 through the first signal input port 1012, the conversion chip 1011 converts the video signals received by the HDMI into two paths of video signals received by the MIPI CSI, and transmits the two paths of video signals to the control chip 1021 through the two first signal output ports 1013 and the two second signal input ports 1022, the control chip 1021 processes the two paths of video signals received by the MIPI CSI respectively, and transmits the two paths of video signals to the two Liquid Crystal Displays (LCDs) 1031 through the two second signal output ports 1023 in the provider view mode according to the use requirement, so that the two paths of video signals are displayed on the two Liquid Crystal Displays (LCDs) 1031 respectively, and the dual 4K high-definition videos can be supported.
Virtual reality signal conversion system 10 in this embodiment, can effectively solve the signal delay problem of current virtual reality all-in-one in the signal transmission process, display device 103 can normally show high definition video picture, signal conversion module 101 can adapt to the virtual reality equipment that has all-in-one mode and PC mode, the video signal that comes from different video sources all can be converted through signal conversion module 101, and show the video picture that corresponds through display device 103, can be compatible the different mode of operation of virtual reality equipment, the commonality is stronger, need not additionally to set up the bridging chip that adapts to the PC mode, be favorable to reduce cost. On the other hand, need not to change current interface structure, plug-and-play, it is comparatively convenient, and need not to occupy the USB interface of virtual reality all-in-one, can effectively improve user experience.
An embodiment of the present invention further provides a virtual reality device 30, as shown in fig. 6, the virtual reality device 30 includes the virtual reality signal conversion system 10 in any of the above embodiments to receive a video signal from the video source 20, convert the video signal received by the HDMI into a video signal received by the MIPI CSI through the virtual reality signal conversion system 10, and finally perform video image display through the display device 103.
Specifically, virtual reality equipment 30 can carry out certain repacking in current virtual reality all-in-one and can realize, need not to carry out extra design and processing, can make full use of the interface configuration of current all-in-one structure, realizes plug-and-play, and convenient and fast can reduce design and repacking cost by a wide margin, the sexual valence relative altitude.
The virtual reality device 30 in this embodiment can effectively solve the delay problem in the transmission process of the high definition video signal in the prior art, and by converting the video signal received by the HDMI into the video signal received by the MIPI CSI and processing the video signal by the control module 102, the high definition video picture corresponding to the video signal can be normally displayed by the display device 103, and almost no delay is generated. The virtual reality device 30 can also be externally connected with a PC (personal computer) in the PC mode, so that the switching of the double working modes is realized, and in the PC mode, a bridging chip is not required to be additionally arranged, so that the universality is stronger, and the cost is favorably reduced. Meanwhile, the virtual reality device can solve the problem that the existing all-in-one machine does not have an HDMI (high definition multimedia interface), a USB interface of the existing all-in-one machine structure does not need to be occupied, operation is convenient, and user experience is excellent.
It should be noted that the electrical connection described in the embodiments of the present invention includes, but is not limited to, a communication connection, and specifically, the electrical connection includes a wired communication connection and a wireless communication connection.
In addition, the virtual reality device 30 in this embodiment should have all the advantages of the virtual reality signal conversion system 10 in any of the above embodiments, and details thereof are not repeated herein.
The basic principles of the present invention have been described above with reference to specific embodiments, but it should be noted that the advantages, effects, etc. mentioned in the present invention are only examples and are not limiting, and the advantages, effects, etc. must not be considered to be possessed by various embodiments of the present invention. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the invention is not limited to the specific details described above.
The block diagrams of devices, apparatuses, systems involved in the present invention are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to". It is further noted that in the apparatus and device of the present invention, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be regarded as equivalents of the present invention.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (10)
1. A virtual reality signal conversion system (10), comprising:
the signal conversion module (101) is adapted to a virtual reality device with an all-in-one machine mode and a personal computer mode, the signal conversion module (101) can be in communication connection with a video source of the virtual reality device in a wired or wireless mode, and can convert a video signal received from an HDMI (high definition multimedia Interface) into a video signal received by at least one path of MIPI CSI (Mobile Industry Processor Interface Camera Serial Interface, Camera Interface conforming to a Mobile Industry Processor Interface protocol);
the control module (102) is electrically connected with the signal conversion module (101) and is used for processing the video signal received by the MIPI CSI;
and the display device (103) is electrically connected with the control module (102) so as to receive the video signal processed by the control module (102) and display a corresponding video picture.
2. The virtual reality signal conversion system (10) of claim 1,
the signal conversion module (101) comprises: a conversion chip (1011), a first signal input port (1012) and a first signal output port (1013);
the first signal input port (1012) is used for connecting the video source, and the conversion chip (1011) converts the video signal received by the HDMI into the video signal received by the MIPI CSI; the first signal output port (1013) is electrically connected with the control module (102) to transmit the video signal received by the MIPICSI to the control module (102).
3. The virtual reality signal conversion system (10) of claim 2,
the control module (102) comprises: a control chip (1021), a second signal input port (1022) and a second signal output port (1023);
wherein the second signal input port (1022) is electrically connected with the first signal output port (1013), the second signal output port (1023) is electrically connected with the display device (103), and the control chip (1021) processes the video signal received by the MIPI CSI and transmits the video signal to the display device (103) through the second signal output port (1023).
4. The virtual reality signal conversion system (10) of claim 3,
and the control chip (1021) is a main control chip of the virtual reality all-in-one machine.
5. The virtual reality signal conversion system (10) of claim 4,
the number of the first signal output ports (1013) is at least one;
the number of the second signal input ports (1022) matches the number of the first signal output ports (1013), and each of the second signal input ports (1022) is electrically connected to one of the first signal output ports (1013).
6. The virtual reality signal conversion system (10) of claim 5,
the number of second signal output ports (1023) matches the number of second signal input ports (1022);
the number of the display devices (103) matches the number of the second signal output ports (1023), and each of the first signal output ports (1013) is electrically connected to one of the display devices (103).
7. The virtual reality signal conversion system (10) of claim 6,
the first signal output port (1013), the second signal input port (1022), the second signal output port (1023), and the display device (103) are all two;
the conversion chip (1011) can convert the video signal received by the HDMI into two paths of video signals received by the MIPI CSI, and the two paths of video signals are transmitted to the corresponding display device (103) through the corresponding first signal output port (1013), the second signal input port (1022) and the second signal output port (1023).
8. Virtual reality signal conversion system (10) according to any one of claims 4 to 7,
the second signal input port (1022) is MIPICSI.
9. Virtual reality signal conversion system (10) according to any one of claims 2 to 7,
the first signal input port (1012) is HDMI.
10. A virtual reality device (30), comprising:
the virtual reality signal conversion system (10) of any one of claims 1 to 9.
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| CN202111584094.8A CN114268758A (en) | 2021-12-22 | 2021-12-22 | Virtual reality signal conversion system and virtual reality equipment |
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| WO2024088182A1 (en) * | 2022-10-25 | 2024-05-02 | 雷鸟创新技术(深圳)有限公司 | Xr device adapter, display system, and display method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024088182A1 (en) * | 2022-10-25 | 2024-05-02 | 雷鸟创新技术(深圳)有限公司 | Xr device adapter, display system, and display method |
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