TWM567406U - Wireless video/audio transmission system - Google Patents

Abstract

A wireless audio-visual transmission system is applied to a conference presentation and/or an instant game environment. In each of the transmission devices of the at least one transmission end, the user can operate and control at least one of a dangling gesture control and a sound control. Each of the transmission devices of the at least one transmission end can perform transmission device operation and/or VIP setting/deactivation; if the receiving device at the receiving end receives the VIP setting of the transmission device of a specific transmitting end of the at least one transmission end, then Preferably, the video signal outputted by the transmission device of the specific transmitting end is decompressed and outputted preferentially until the VIP is received, and if no VIP setting is received, at least one of the received ones is received. The priority of the video signal is decompressed and displayed.

Description

Wireless video transmission system

The present invention relates to a wireless video transmission system, and more particularly to a wireless video transmission system for use in a conference presentation and/or an instant game environment, if the receiving device at the receiving end receives at least one The VIP setting of the transmission device of a specific transmitting end of the transmitting end preferentially decompressing the video signal outputted by the transmitting device of the specific transmitting end, and preferentially outputting the decompressed video signal to a display device, And displayed on the display device.

The popularity of wireless transmission, wireless video transmission to improve the convenience of people using audio and video transmission. However, since wireless video transmission has a delay time requirement in application, the current technology cannot adjust the wireless transmission performance to the best, so it is only possible to select a relatively high compression H.264 technology to reduce the bandwidth requirement, but It will cause the delay to be too high. The patent-to-one wireless video and audio transmission technology can use compressed audio and video data, which is sufficient for stable transmission and reduced delay, so that many instant applications can be implemented by using this technology: such as briefing interaction, instant game and the like.

The main purpose of the present invention is to provide a wireless video transmission system for use in a conference presentation and/or an instant game environment. If the receiving device at the receiving end receives the VIP setting of the transmission device of a specific transmitting end of at least one transmitting end, Preferably, the video signal output by the transmission device of the specific transmitting end is decompressed, and the decompressed video signal is preferentially output to a display device and displayed on the display device.

Another object of the present invention is to provide a wireless video transmission system for use in a conference presentation and/or an instant game environment. With the wireless video transmission system of the present invention, it is confirmed that each transmission device of at least one transmission end is A receiving device at the receiving end is connected for audio and video signal transmission, wherein the video signal is a compression-encoded packet image signal; and at least one transmission device of the transmitting end, the user can control at least with a dangling gesture and sound control One of the modes for operating the each transmission device controlled by the at least one transmission end, the transmission device operation and/or the VIP setting/deactivation; and the receiving device at the receiving end can receive the wireless device from the at least And a video signal output by each of the transmitting devices of the transmitting end, wherein if the receiving device at the receiving end receives the VIP setting of the transmitting device of the specific transmitting end of the at least one transmitting end, the priority of the specific transmitting end is preferentially The video signal output by the transmission device is decompressed and preferentially The decompressed video signal is output to a display device and displayed on the display device until the receiving device at the receiving end receives the VIP of the transmitting device at the specific transmitting end of the at least one transmitting end, if not received Up to any VIP setting, the receiving device at the receiving end performs decompression processing according to the priority order of the video signal received from at least one of the at least one transmitting end, and the decompressed processed video signal is Output to the display device for display.

The wireless wireless audio transmission system of the present invention can deeply optimize the wireless transmission technology, and can transmit a video compression format, for example, MJPEG (Motion JPEG) compression or other audio and video compression formats, and generate a large amount of data, which is enough to achieve 100 Mbps or less. With stable transmission, the latency can be reduced to less than 100ms, so many instant applications can be implemented with this technology, such as newsletter interaction, instant games and more.

According to the above, the present invention provides a wireless video transmission system, comprising: at least one transmission device, each transmission device receiving one of at least one of Type-C, HDMI, and USB. Audio and video signals, and output the video and audio signals in accordance with IEEE 802.11ac protocol/802.11ac (5G), 100 Mbps; and a receiving device, receiving video and audio signals output by each transmitting device, and selectively transmitting a transmitting device to meet Type -C, HDMI, and at least one of the interfaces of the USB audio and video signals are output to a display device; wherein each of the transmission devices is paired with the receiving device to select a transmission channel and adjust WMM parameters, MCS and packet retransmission mechanisms, and receive The device detects the display coefficient of the display device and transmits the display coefficient to each of the transmission devices; and each of the transmission devices adjusts the compression ratio and the frame rate of the audio and video signals according to the display coefficient and the transmission mode of the audio and video signals to output the video and audio signals.

The transmission device includes a sensing/control module, a video receiving module, an image compression/packaging module, and a wireless transmission module. a sensing/control module that senses the user's dangling gesture control and/or sound control to initiate/stop (pause/resume) the transmission device. ), menu (menu), end menu (exit menu) and so on.

The audio-visual receiving module, the audio-visual receiving module cooperates with the sensing/control module, enables the transmission device to start/stop, pause/resume, menu, and end menu (exit) Menu) and the like, and receiving audio and video signals conforming to at least one of Type-C, HDMI, and USB, and transmitting the video signal to the image compression/encapsulation module.

The image compression/packaging module, after receiving the video signal from the video receiving module, the image compression/packaging module compresses and encodes the video signal, for example, MJPEG encoding and packetization to cooperate with subsequent The packet transmission conforms to the IEEE 802.11ac protocol, or the image compression format is Motion-JPEG, 1080p 30fps; the image compression/packaging module transmits the compressed encoded video signal to the wireless transmission module.

The wireless transmission module transmits and compresses the encoded video and audio signals in accordance with the IEEE 802.11ac protocol, and transmits the video and audio signals for compressing and encoding the encoded video and audio signals to the receiving device.

The receiving device comprises a wireless receiving module, a packet processing/image decompression module, and a video output module.

The wireless receiving module, the wireless receiving module of the receiving device receives the video signal of the compression encoded packet video signal in accordance with, for example, the IEEE 802.11ac protocol, the 100 Mbps or the WPA2-PSK encryption type, and transmits the received video signal to the Packet processing / image decompression module.

a packet processing/image decompression module, the packet processing/image decompression module performs a process of receiving and packetizing the video and audio signals, and performing decompression processing of the video and audio signals, and transmitting the processed video and audio signals to the audio and video output module. .

The audio and video output module outputs the audio and video signals conforming to at least one of Type-C, HDMI, and USB to the display device.

Here, the wireless transmission architecture of the transmitting device and the receiving device is, for example, an 802.11ac (5G), 100 Mbps, or WPA2-PSK encryption type.

In addition, depending on the actual needs, the receiving device can be configured to include an audio out audio module (Audio) module and an HDMI switching (Switch) module that can accept an external image source.

In order to make the person skilled in the art understand the purpose, features and effects of the present invention, the present invention will be described in detail by the following specific embodiments and with the accompanying drawings.

FIG. 1 is a schematic diagram of a system for illustrating the system architecture and operation of the wireless video transmission system of the present invention. As shown in FIG. 1, the wireless video transmission system 1 includes: at least one transmission device 2, each transmission device 2 receiving an audio-visual signal conforming to at least one of Type-C, HDMI, and USB, and Compliance with, for example, the IEEE 802.11ac protocol, 100 Mbps output of the video signal; and a receiving device 3, receiving the video signal output by each transmission device 2, and selectively combining a transmitting device to conform to Type-C, HDMI, and USB At least one of the interface audio and video signals is output to a display device 4; wherein each transmission device 2 is first paired with the receiving device 3 to select a transmission channel and adjust WMM parameters, MCS and packet retransmission mechanism, and the receiving device 3 detects The display coefficient of the display device 4 and the transmission display coefficient are transmitted to each of the transmission devices 2; and each of the transmission devices 2 adjusts the compression ratio and the frame rate of the video signal according to the display coefficient and the transmission mode of the audio and video signals to output the video and audio signals.

The transmission device 2 includes a sensing/control module 21, a video receiving module 22, an image compression/packaging module 23, and a wireless transmission module 24.

The sensing/control module 21, which senses the user's dangling gesture control and/or sound control to start/stop, pause/reply the transmission device 2 ( Pause/resume), menu (menu), end menu (exit menu), etc.

The video receiving module 22 cooperates with the sensing/control module 21 to enable the transmission device 2 to start/stop, pause/resume, menu, Ending an operation of an exit menu or the like, and receiving an audio/video signal conforming to at least one of Type-C, HDMI, and USB, and transmitting the video signal to the image compression/encapsulation module 23.

The image compression/packaging module 23, after receiving the video signal from the video receiving module 22, compresses and encodes the video signal, for example, MJPEG encoding and packetization. To cooperate with the subsequent IEEE 802.11ac-compliant packet transmission, or the image compression format is Motion-JPEG, 1080p 30fps; the image compression/packaging module 23 transmits the compressed encoded video signal to the wireless transmission module 24.

The wireless transmission module 24 transmits the encoded video signal of the packet to the IEEE 802.11ac protocol for transmission, and transmits the video signal for compressing the encoded video signal to the receiving device 3.

The receiving device 3 includes a wireless receiving module 31, a packet processing/image decompression module 32, and a video output module 33.

The wireless receiving module 31, the wireless receiving module 31 of the receiving device 3 receives the audio and video signals for compressing and encoding the video and audio signals in accordance with, for example, the IEEE 802.11ac protocol, the 100 Mbps or the WPA2-PSK encryption type, and receives the received audio and video signals. It is transmitted to the packet processing/image decompression module 32.

The packet processing/image decompression module 32 processes the packet processing and the decompression of the video signal, and transmits the processed video signal to the audio and video output. Module 33.

The audio and video output module 33 outputs the audio and video signals conforming to at least one of Type-C, HDMI, and USB to the display device 4.

Here, the wireless transmission architecture of the transmission device 2 and the reception device 3 is, for example, an 802.11ac (5G), 100 Mbps, or WPA2-PSK encryption type.

In addition, depending on the actual needs, the receiving device 3 can be configured to include an audio out audio module (Audio) module and an HDMI switching (Switch) module that can accept an external image source.

The receiving device 3 of the receiving end receives the VIP setting of the transmitting device 2 of the specific transmitting end, the use lamp number of the receiving device of the receiving end displays a first indication; and the receiving device 3 of the receiving end The VIP of the transmission device 2 receiving the specific transmission terminal is released, and the use signal of the receiving device 3 at the receiving end displays a second indication.

The wireless audio and video transmission system of the present invention is a wireless audio and video transmission system with a VIP mechanism for simultaneously transmitting a plurality of video and audio signals to one device at the same time. The technical design includes VIP setting and VIP cancellation of the VIP anti-grab mechanism to adjust the display order and order of multiple audio and video signals. The application field of the technology is a place where there is a need for a plurality of video and audio transmissions, for example, an office multi-person participates in a briefing but only one person's audio and video signals can be displayed.

Figure 2 is a schematic diagram showing the architecture and operation of an embodiment of the wireless video transmission system of the present invention. As shown in FIG. 2, a receiving device 3 at a receiving end wirelessly receives video signals output by each of the transmitting devices 2 of at least one transmitting end, and selectively transmits at least one transmitting device 2 of the transmitting end. One of the audio and video signals is output to a display device 4; the user of the specific transmission device 2a can operate and control the specific transmission device 2a in at least one of a dangling gesture control and a sound control, and can perform VIP setting 140/VIP Lift 150.

The receiving device 3 at the receiving end receives the VIP setting 140 of a specific transmitting device 2a to output the video signal of the specific transmitting device 2a to the display device 4; the receiving device 3 at the receiving end receives the VIP transmitted by the specific transmitting device 2a Setting 140, the video signal outputted by the specific transmission device 2a is preferentially decompressed, and the decompressed video signal is preferentially outputted to a display device 4 and displayed on the display device 4 until the The receiving device 3 at the receiving end receives the VIP release 150 transmitted by the specific transmitting device 2a. If no VIP setting 140 is received, the receiving device 3 of the receiving terminal receives the received device from the at least one transmitting device. The video signal of at least one of the two is subjected to a decompression process, and the decompressed video signal is output to the display device 4 for presentation.

The transmission device 2 includes a sensing/control module 21, a video receiving module 22, an image compression/packaging module 23, and a wireless transmission module 24.

The sensing/control module 21, which senses the user's dangling gesture control and/or sound control, and the user can operate and control in at least one of a dangling gesture control and a sound control. The VIP device 140/VIP release 150 is generated by the specific transmission device 2a.

The video receiving module 22 cooperates with the sensing/control module 21 to enable the transmission device 2 to start/stop, pause/resume, menu, Ending an operation of an exit menu or the like, and receiving an audio/video signal conforming to at least one of Type-C, HDMI, and USB, and transmitting the video signal to the image compression/encapsulation module 23.

The image compression/packaging module 23, after receiving the video signal from the video receiving module 22, compresses and encodes the video signal, for example, MJPEG encoding and packetization. To cooperate with the subsequent IEEE 802.11ac-compliant packet transmission, or the image compression format is Motion-JPEG, 1080p 30fps; the image compression/packaging module 23 transmits the compressed encoded video signal to the wireless transmission module 24.

The wireless transmission module 24 transmits the encoded video signal of the packet to the IEEE 802.11ac protocol for transmission, and transmits the video signal for compressing the encoded video signal to the receiving device 3.

The receiving device 3 includes a wireless receiving module 31, a packet processing/image decompression module 32, and a video output module 33.

The wireless receiving module 31, the wireless receiving module 31 of the receiving device 3 receives the audio and video signals for compressing and encoding the video and audio signals in accordance with, for example, the IEEE 802.11ac protocol, the 100 Mbps or the WPA2-PSK encryption type, and receives the received audio and video signals. It is transmitted to the packet processing/image decompression module 32.

The packet processing/image decompression module 32 processes the packet processing and the decompression of the video signal, and transmits the processed video signal to the audio and video output. Module 33.

The audio and video output module 33 outputs the audio and video signals conforming to at least one of Type-C, HDMI, and USB to the display device 4.

Here, the wireless transmission architecture of the transmission device 2 and the reception device 3 is, for example, an 802.11ac (5G), 100 Mbps, or WPA2-PSK encryption type.

In addition, depending on the actual needs, the receiving device 3 can be configured to include an audio out audio module (Audio) module and an HDMI switching (Switch) module that can accept an external image source.

3A to 3C are diagrams for showing the execution of an embodiment of the wireless video transmission system of the present invention illustrated in Fig. 2. As shown in the figures, the transmission devices 2, 2a are respectively connected to a digital multi-function video disc player, a notebook computer or the like to output video and audio signals, and the display device 4 is a flat panel display.

Fig. 3A illustrates that the receiving device 3 of the receiving end wirelessly receives the video signal of one of the transmitting devices 2 connected to the transmitting end of the DVD player, the notebook computer or the like to a display device 4.

FIG. 3B illustrates that the receiving device 3 at the receiving end receives the VIP setting 140 of a specific transmitting device 2a, and outputs the video signal of the specific transmitting device 2a connected to the notebook computer to the display device 4.

FIG. 3C illustrates that the receiving device 3 of the receiving end receives the VIP release 150 of the specific transmitting device 2a, and outputs the notified video signal of the transmitting device 2c of the transmitting terminal to the display device 4 via the notification of one of the at least one transmitting end. .

In actual implementation, the video signal may be, for example, an audio, a picture, or a video program. As also shown in FIG. 3C, the notification of one of the transmitting ends can be performed, for example, by at least one of the user of the transmitting end of the notification, the dangling gesture control, and the sound control.

The above disclosed technology provides a wireless video transmission system. The technology design includes a VIP setting and a VIP release privilege mechanism to adjust the display order and order of the video signals of the transmission device at the transmitting end.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; any other equivalent changes or modifications that are not departing from the spirit of the present invention should be included in the following patents. Within the scope.

2a‧‧‧Transmission device
3‧‧‧ Receiving device
4‧‧‧ display device
21‧‧‧Sensing/Control Module
22‧‧‧Video Receiver Module
23‧‧‧Image compression/packaging module
24‧‧‧Wireless Transmission Module
31‧‧‧Wireless Receiver Module
32‧‧‧Packet Processing/Image Decompression Module
33‧‧‧Video Output Module
140‧‧‧ VIP setting
150‧‧‧ VIP release

FIG. 1 is a schematic diagram of a system for illustrating the system architecture and operation of the wireless video transmission system of the present invention. Figure 2 is a schematic diagram showing the architecture and operation of an embodiment of the wireless video transmission system of the present invention. 3A to 3C are diagrams for explaining the execution of an embodiment of the wireless video transmission system of the present invention illustrated in Fig. 3.

Claims (5)

A wireless video transmission system for use in a conference presentation and/or an instant game environment, comprising: at least one transmission device, each of the at least one transmission device receiving at least one of Type-C, HDMI, and USB And an audio and video signal, and output the video signal in accordance with the IEEE 802.11ac protocol, 100 Mbps; and a receiving device, the receiving device receives the video signal output by each of the at least one transmitting device, and selectively transmits a video device The audio and video signals conforming to at least one of Type-C, HDMI, and USB are output to a display device. The wireless video transmission system of claim 1, wherein each of the at least one transmission device is paired with the receiving device to select a transmission channel and adjust a WMM parameter, an MCS, and a packet retransmission mechanism, and the receiving The device detects the display coefficient of the display device and transmits the display coefficient to each of the at least one transmission device; and each of the at least one transmission device adjusts the compression ratio of the audio and video signal according to the display coefficient and the transmission mode of the audio and video signal. Rate to output audio and video signals. The wireless video transmission system of claim 1, wherein the transmission device comprises: a sensing/control module that senses a user's dangling gesture control and/or sound control The user can operate and control the at least one transmission device in at least one of the dangling gesture control and the sound control, and can generate a VIP setting/guest release according to the requirement; the audio receiving module, the video receiving module Cooperating with the sensing/control module, the at least one transmission device can perform operations such as start/stop, pause/resume, menu, exit menu, and the like. Receiving and transmitting the video signal conforming to at least one of Type-C, HDMI, and USB, and transmitting the video signal; the image compression/packaging module receives the image compression/packaging module After the video signal of the video receiving module, the video signal is compressed and encoded, and the image compression/packaging module transmits the compressed encoded video signal; and the wireless transmission mode , The wireless transmission module of the packet compression-coded video signals to meet the IEEE 802.11ac transmission protocol, for transmitting compressed video signals encoded video signal packets to the receiving device. The wireless video transmission system of claim 3, wherein the receiving device comprises: a wireless receiving module, the wireless receiving module receiving the compression encoding according to an IEEE 802.11ac protocol, 100 Mbps or WPA2-PSK encryption type. Encapsulating the audio and video signals of the video signal and transmitting the received video signal; the packet processing/image decompression module, the packet processing/image decompression module receiving and receiving the video signal from the wireless receiving module Processing and performing decompression processing of the audio and video signals, and transmitting the processed video and audio signals; the audio and video output module, the audio and video output module receiving the video and audio signals from the packet processing/image decompression module, An audio/video signal conforming to at least one of Type-C, HDMI, and USB is output to the display device. The wireless video transmission system of claim 4, wherein the wireless transmission architecture of the transmission device and the receiving device is at least one of an 802.11ac, 100 Mbps, or WPA2-PSK encryption type.