CN110798643B - User terminal equipment and video and audio quality assurance system using same - Google Patents
User terminal equipment and video and audio quality assurance system using same Download PDFInfo
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- CN110798643B CN110798643B CN201911164976.1A CN201911164976A CN110798643B CN 110798643 B CN110798643 B CN 110798643B CN 201911164976 A CN201911164976 A CN 201911164976A CN 110798643 B CN110798643 B CN 110798643B
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- 238000000275 quality assurance Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides user terminal equipment and a video and audio quality assurance system using the same. The user terminal device includes: the system comprises a power management module, a QoS module and a recording and broadcasting module; the power management module is used for respectively carrying out power management on the QoS module and the recording and broadcasting module; the QoS module is used for executing a QoS strategy on the data processed by the recording and broadcasting module according to the state of the recording and broadcasting module and a preset rule; the recording and playing module is used for integrating and synchronously recording the video and audio recorded on site and the image signals of the electronic equipment, generating a standardized streaming media file and sending the state of the streaming media file to the QoS module. The user terminal equipment can implement the corresponding QoS strategy in real time according to the recorded broadcast state, thereby ensuring the recorded broadcast smoothness and reasonably vacating resources for other terminals; and the user terminal equipment can be connected with other terminals, so that the laying of lines is reduced.
Description
Technical Field
The invention belongs to the technical field of resource management of streaming media videos and multimedia networks, and particularly relates to user terminal equipment and a video and audio quality guarantee system using the same.
Background
Currently, in remote interactive teaching or video conferencing, in order to ensure definition and smoothness of live video, as shown in fig. 1, for example, in the remote interactive teaching, a Quality of Service (QoS) device is set in front of a switch, a transmission priority is given to a data stream of a recording and broadcasting host through the QoS device to identify its importance, and a special transmission Service is provided for the data stream of the recording and broadcasting host by using various priority forwarding strategies, congestion avoidance and other mechanisms provided by the QoS device, so as to ensure definition and smoothness in the live video broadcasting process. However, when the recording and broadcasting host does not work or is closed, the QoS device cannot grasp the state of the recording and broadcasting host in real time, and a certain bandwidth or a higher priority is reserved for the recording and broadcasting host, so that unreasonable allocation of resources is caused, and the work of other terminals is influenced.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a user terminal device and a video and audio quality assurance system using the same, and the specific technical scheme is as follows:
in a first aspect, the present invention provides a user terminal device, including:
the recording and playing module is used for integrating and synchronously recording the video, audio and image signals of the electronic equipment shot and recorded on site, generating a standardized streaming media file and sending the state of the streaming media file to the QoS module;
and the QoS module is used for executing a QoS strategy on the data processed by the recording and broadcasting module according to the state of the recording and broadcasting module and a preset rule.
Further, the user terminal device further includes: and the power management module is used for respectively carrying out power management on the QoS module and the recording and broadcasting module.
Further, the power management module performs power management in a manner including: and when the recording and broadcasting module does not need to work, independently turning off the power supply of the recording and broadcasting module.
Further, the recording and playing module itself status includes: a sleep state and an active state.
Further, the QoS module presets a first bandwidth and a second bandwidth, and the first bandwidth is smaller than the second bandwidth;
when the recording and broadcasting module is in a dormant state, the QoS module reserves a first bandwidth for the recording and broadcasting module;
and when the recording and broadcasting module is in a working state, the QoS module reserves a second bandwidth for the recording and broadcasting module.
Further, the QoS module also presets a third bandwidth, where the third bandwidth is greater than the second bandwidth;
the working state of the recording and broadcasting module comprises: a first operating state and a second operating state;
when the recording and broadcasting module is in the second working state, the quality of the output video is higher than that of the output video in the first working state;
when the recording and broadcasting module is in a first working state, the QoS module reserves a second bandwidth for the recording and broadcasting module;
and when the recording and broadcasting module is in a second working state, the QoS module reserves a third bandwidth for the recording and broadcasting module.
Further, the QoS module presets a first priority and a second priority, and the first priority is lower than the second priority;
when the recording and broadcasting module is in a dormant state, the QoS module identifies a first priority for the data processed by the recording and broadcasting module;
and when the recording and broadcasting module is in a working state, the QoS module identifies a second priority for the data processed by the recording and broadcasting module.
Further, the QoS module presets a first priority weight and a second priority weight, where the first priority weight is smaller than the second priority weight;
when the recording and broadcasting module is in a dormant state, the QoS module identifies a first priority weight for the data processed by the recording and broadcasting module;
and when the recording and broadcasting module is in a working state, the QoS module identifies a second priority weight for the data processed by the recording and broadcasting module.
Further, when the QoS module does not receive a signal of its own state sent by the recording and playing module, the QoS module defaults that the recording and playing module is in a dormant state.
Further, the user terminal device further includes: a switch module for forwarding information; and the input end of the switch module is connected with the output end of the QoS module.
Further, the user terminal device further includes: and the common port is connected with the recording and broadcasting module.
In a second aspect, the present invention further provides a video and audio quality assurance system, including: a network egress device, a switch, a twisted pair jumper structure, and a user terminal device according to any one of claims 1 to 11;
the input end of the first end of the twisted-pair jumper structure is connected with the network outlet equipment, and the output end of the first end of the twisted-pair jumper structure is connected with the switch;
the input end of the second end of the twisted-pair jumper structure is connected with the output port of the user terminal equipment, and the output end of the second end of the twisted-pair jumper structure is connected with the input port of the user terminal equipment.
Further, the twisted pair jumper structure includes: a first splitter and an 8-core network cable; the bus port of the first splitter is connected with the 8-core network cable; a first branch port of the first splitter is an input end of a first end of the twisted-pair jumper structure and is connected with the network outlet equipment; and a second branch port of the first splitter is an output end of the first end of the twisted-pair jumper structure and is connected with the switch.
Further, the twisted pair jumper structure further includes: a second splitter; the bus port of the second splitter is connected with the 8-core network cable; a first branch port of the second splitter is an output end of a second end of the twisted-pair jumper structure and is connected with an input port of the user terminal equipment; and a second tap hole of the second splitter is an input end of a second end of the twisted-pair jumper structure and is connected with an output port of the user terminal equipment.
The invention has the following beneficial effects:
1. the QoS module implements a corresponding QoS strategy according to the state of the recording and broadcasting module, so that the smoothness of recording and broadcasting is ensured, and resources are reasonably vacated for other terminals;
2. the user terminal equipment can be connected with other terminals, so that the laying of lines is reduced;
3. the user terminal equipment of the invention combines the twisted pair jumper structure, only one twisted pair is needed to complete wiring, thereby simplifying the circuit and reducing the workload.
Drawings
Fig. 1 is an overall schematic diagram of a prior art recording and broadcasting system;
FIG. 2 is a general schematic diagram of an aspect of a user terminal device of the present invention;
FIG. 3 is an overall schematic view of the video and audio quality assurance system of the present invention;
FIG. 4 is an overall schematic diagram of a preferred embodiment of the user terminal device of the present invention;
FIG. 5 is an overall schematic diagram of another preferred embodiment of the user terminal apparatus of the present invention;
fig. 6 is an overall schematic diagram of a twisted pair jumper configuration of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example one
As shown in fig. 2, the present invention provides a user terminal device, including: the device comprises a power management module, a QoS module and a recording and broadcasting module.
And the power management module is used for respectively carrying out power management on the QoS module and the recording and broadcasting module.
And the QoS module is used for executing a QoS strategy on the data processed by the recording and broadcasting module according to the state of the recording and broadcasting module and a preset rule.
And the recording and playing module is used for integrating and synchronously recording the video, audio and image signals of the electronic equipment shot and recorded on site, generating a standardized streaming media file and sending the state of the streaming media file to the QoS module.
Wherein, power management module carries out power management to QoS module and recorded broadcast module respectively, and power management module carries out the mode of power management and includes: and when the recording and broadcasting module does not need to work, independently turning off the power supply of the recording and broadcasting module. When the recording and broadcasting module does not need to work, the power supply of the recording and broadcasting module can be independently turned off.
The QoS module may adopt various QoS control methods in the prior art, such as a priority queue method, a weight priority queue method, a traffic restriction method, and the like. QoS strategy rules corresponding to different recording and broadcasting module states are preset in the QoS module. And after receiving the state of the recording and broadcasting module, the QoS module executes a corresponding QoS strategy on the data processed by the recording and broadcasting module according to a preset rule so as to ensure the service quality of the data sent by the recording and broadcasting module.
Preferably, for remote teaching or remote conference, the QoS module reserves a preset bandwidth for the recording and broadcasting module by using a flow limiting method. Generally, the recording and broadcasting module includes an active state and an inactive dormant state. When the recording and broadcasting module is in a dormant state, a first bandwidth with a lower bandwidth can be reserved for the recording and broadcasting module, and when the recording and broadcasting module is in a working state, a second bandwidth with a higher bandwidth can be reserved for the recording and broadcasting module. The first bandwidth is set to satisfy the non-streaming media communication function of the recording and playing module, for example, some recording and playing modules have a remote wake-up function, in this case, the reserved first bandwidth is only needed to realize remote communication.
Of course, other bandwidth thresholds can be added according to the video quality output by the recording and playing module. If the first bandwidth for the dormant state, the second bandwidth for the low-quality video and the third bandwidth for the high-quality video are set, the first bandwidth is smaller than the second bandwidth, and the second bandwidth is smaller than the third bandwidth. At this time, the working state of the recording and broadcasting module includes: a first operating state and a second operating state; when the recording and broadcasting module is in the second working state, the quality of the output video is higher than that of the output video in the first working state; when the recording and broadcasting module is in a first working state, the QoS module reserves a second bandwidth for the recording and broadcasting module; and when the recording and broadcasting module is in a second working state, the QoS module reserves a third bandwidth for the recording and broadcasting module.
Preferably, the QoS module identifies different priorities for the data streams of the recording and playing module by using a priority queue method. Generally, the recording and broadcasting module includes an active state and an inactive dormant state. When the recording and broadcasting module is in a dormant state, a first priority with a lower priority can be identified for the recording and broadcasting module, and when the recording and broadcasting module is in a working state, a second priority with a higher priority can be identified for the recording and broadcasting module. The first priority is set to satisfy the non-streaming media communication function of the recording module, for example, some recording modules have a remote wake-up function, in which case, real-time performance is not needed much, and there may be a delay, so that even the lower first priority can achieve the expected effect.
Preferably, the QoS module identifies different weight priorities for the data stream of the recording and playing module by using a method of a weight priority queue. Generally, the recording and broadcasting module includes an active state and an inactive dormant state. When the recording and broadcasting module is in a dormant state, a first priority weight with a lower priority can be identified for the recording and broadcasting module, and when the recording and broadcasting module is in a working state, a second priority weight with a higher priority can be identified for the recording and broadcasting module. The first priority weight is set to satisfy the non-streaming media communication function of the recording and broadcasting module, for example, some recording and broadcasting modules have a remote wake-up function, in this case, the real-time property does not need to be particularly emphasized, and the recording and broadcasting module can receive the signal with a slight delay, so that the remote communication and the expected effect can be realized even with the lower first priority weight.
The power management module respectively carries out power management on the QoS module and the recording and broadcasting module, and when the recording and broadcasting module does not need to work, the power of the recording and broadcasting module can be independently turned off. Because the QoS module serves the whole local area network, and the recording and broadcasting module is only used when needed, the setting of the power supply of the recording and broadcasting module is independently controlled, so that the recording and broadcasting module can be prevented from being in a standby state for a long time when not needed, energy is saved, and potential safety hazards caused by long-term power-on of electric products are avoided.
However, when the recording and playing module is turned off, the recording and playing module cannot transmit its own state to the QoS module, so that it is necessary to set the QoS module accordingly for such a situation. At this time, the recording and playing module can be regarded as being in a dormant state, so that when the QoS module cannot receive the signal of the own state sent by the recording and playing module, the QoS module defaults that the recording and playing module is in the dormant state. Of course, those skilled in the art may make other settings when the QoS module does not receive the signal of its own status sent by the recording and playing module, for example, not executing the QoS policy on the data processed by the recording and playing module, or implementing a lower bandwidth, priority or priority weight than the dormant state.
As shown in fig. 1, there are also a plurality of other terminals in the recording and broadcasting classroom, and these terminals are all connected to the switch in the recording and broadcasting classroom, and the switch in the recording and broadcasting classroom needs to be connected to the switch in the machine room, and the wiring is relatively complicated. Therefore, preferably, as shown in fig. 4, the user terminal device of the present invention further includes: a switch module for forwarding information; the input end of the switch module is connected with the output end of the QoS module. At this time, the wiring of the whole recording and broadcasting system is as shown in fig. 3, and the terminals or switches in the recording and broadcasting classroom can be directly connected with the user terminal equipment, so that no extra network cable is required to be laid to be connected with the switches of the machine room, and the engineering quantity is reduced.
As shown in fig. 3, the above-mentioned user terminal device is very advantageous when there is only one recording and broadcasting classroom and one user terminal device. However, the ue sometimes is used in a scenario with multiple ues in multiple recording and broadcasting classrooms, and in such a scenario, each ue needs a total QoS device for scheduling and allocating, and the conventional arrangement shown in fig. 1 is more concise and convenient. In order to make the user terminal device of the present invention compatible with such a scenario, as shown in fig. 5, preferably, the user terminal device of the present invention further has a common port, and the common port is connected to the recording and playing module. At the moment, when the common port is accessed, the user terminal equipment can be used as a general recording and broadcasting host and is suitable for the scenes of a plurality of recording and broadcasting hosts in a plurality of recording and broadcasting classrooms.
Example two
As shown in fig. 3, the present invention further provides a video and audio quality assurance system, which includes: the network system comprises network egress equipment, a switch, a twisted pair jumper structure and user terminal equipment in the first embodiment, wherein the network egress equipment comprises a firewall, a light cat and the like.
The input end of the first end of the twisted-pair jumper structure is connected with the network outlet equipment, and the output end of the first end is connected with the switch; the input end of the second end of the twisted-pair jumper structure is connected with the output port of the user terminal equipment, and the output end of the second end of the twisted-pair jumper structure is connected with the input port of the user terminal equipment. Through the twisted-pair jumper structure, communication among the user terminal equipment, the network outlet equipment and the switch can be realized only by laying an 8-core network cable, and the engineering quantity is reduced.
Preferably, as shown in fig. 6, the twisted pair jumper structure includes: a first splitter 1 and an 8-core network cable 2; the bus port 11 of the first splitter 1 is connected with the 8-core network cable 2; a first branch port of the first splitter 1 is an input end of a first end of a twisted-pair jumper structure and is connected with network outlet equipment; the second branch port of the first splitter 1 is the output end of the first end of the twisted-pair jumper structure and is connected with the switch. After the two ends of the 8-core network cable are connected with the existing branch ports, the length of the network cable for connecting the network outlet equipment and the switch can be freely arranged according to actual conditions, and the network cable is very convenient.
Preferably, as shown in fig. 6, the twisted pair jumper structure further includes: a second splitter 3; the bus port 31 of the second wire splitter 3 is connected with the 8-core network wire 2; a first branch port of the second splitter 3 is an output end of a second end of the twisted-pair jumper structure and is connected with an input port of the user terminal equipment 4; and a second branch port of the second splitter 3 is an input end of a second end of the twisted-pair jumper structure and is connected with an output port of the user terminal equipment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. A user terminal device, comprising:
the recording and playing module is used for integrating and synchronously recording the video, audio and image signals of the electronic equipment shot and recorded on site, generating a standardized streaming media file and sending the state of the streaming media file to the QoS module;
the QoS module is used for executing a QoS strategy on the data processed by the recording and broadcasting module according to the state of the recording and broadcasting module and a preset rule;
the recording and broadcasting module comprises the following states: a sleep state and an operating state;
wherein, the operating condition of recorded broadcast module includes: a first operating state and a second operating state;
when the recording and broadcasting module is in the second working state, the quality of the output video is higher than that of the output video in the first working state;
the QoS module presets a first bandwidth, a second bandwidth and a third bandwidth, wherein the first bandwidth is smaller than the second bandwidth, and the third bandwidth is larger than the second bandwidth;
when the recording and broadcasting module is in a dormant state, the QoS module reserves a first bandwidth for the recording and broadcasting module;
when the recording and broadcasting module is in a first working state, the QoS module reserves a second bandwidth for the recording and broadcasting module;
and when the recording and broadcasting module is in a second working state, the QoS module reserves a third bandwidth for the recording and broadcasting module.
2. The user terminal device according to claim 1, further comprising: and the power management module is used for respectively carrying out power management on the QoS module and the recording and broadcasting module.
3. The user terminal device according to claim 2, wherein the power management module performs power management in a manner including: and when the recording and broadcasting module does not need to work, independently turning off the power supply of the recording and broadcasting module.
4. The user terminal device according to claim 1, wherein the QoS module presets a first priority and a second priority, the first priority being lower than the second priority;
when the recording and broadcasting module is in a dormant state, the QoS module identifies a first priority for the data processed by the recording and broadcasting module;
and when the recording and broadcasting module is in a working state, the QoS module identifies a second priority for the data processed by the recording and broadcasting module.
5. The UE of claim 1, wherein the QoS module presets a first priority weight and a second priority weight, and the first priority weight is smaller than the second priority weight;
when the recording and broadcasting module is in a dormant state, the QoS module identifies a first priority weight for the data processed by the recording and broadcasting module;
and when the recording and broadcasting module is in a working state, the QoS module identifies a second priority weight for the data processed by the recording and broadcasting module.
6. The UE of any one of claims 1-5, wherein the QoS module defaults to the dormant state when the QoS module does not receive a signal of its own state sent by the recording and playing module.
7. The user terminal device according to any of claims 1-5, further comprising: a switch module for forwarding information; and the input end of the switch module is connected with the output end of the QoS module.
8. The user terminal device according to any of claims 1-5, further comprising: and the common port is connected with the recording and broadcasting module.
9. A video and audio quality assurance system, comprising: a network egress device, a switch, a twisted pair jumper structure, and a user terminal device according to any one of claims 1 to 8;
the input end of the first end of the twisted-pair jumper structure is connected with the network outlet equipment, and the output end of the first end of the twisted-pair jumper structure is connected with the switch;
the input end of the second end of the twisted-pair jumper structure is connected with the output port of the user terminal equipment, and the output end of the second end of the twisted-pair jumper structure is connected with the input port of the user terminal equipment.
10. The video and audio quality assurance system of claim 9, wherein the twisted pair jumper structure comprises: a first splitter and an 8-core network cable; the bus port of the first splitter is connected with the 8-core network cable; a first branch port of the first splitter is an input end of a first end of the twisted-pair jumper structure and is connected with the network outlet equipment; and a second branch port of the first splitter is an output end of the first end of the twisted-pair jumper structure and is connected with the switch.
11. The video and audio quality assurance system of claim 10, wherein the twisted pair patch cord structure further comprises: a second splitter; the bus port of the second splitter is connected with the 8-core network cable; a first branch port of the second splitter is an output end of a second end of the twisted-pair jumper structure and is connected with an input port of the user terminal equipment; and a second tap hole of the second splitter is an input end of a second end of the twisted-pair jumper structure and is connected with an output port of the user terminal equipment.
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