CN216751964U - Encoder and outdoor live broadcast system - Google Patents
Encoder and outdoor live broadcast system Download PDFInfo
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- CN216751964U CN216751964U CN202220274981.9U CN202220274981U CN216751964U CN 216751964 U CN216751964 U CN 216751964U CN 202220274981 U CN202220274981 U CN 202220274981U CN 216751964 U CN216751964 U CN 216751964U
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Abstract
The utility model provides an encoder and outdoor live broadcast system, the encoder includes first input interface, the second input interface, audio and video coding module, the power supply interface, a controller, the button, the pilot lamp, built-in dual-frenquency wifi module and antenna module, receive the audio and video signal of different external signal source inputs through first input interface and second input interface, supply power to the encoder through the power supply interface, the mode of operation through the button to the encoder switches, and the mode indicates the operating condition of encoder through the different lightening of pilot lamp, in addition dual-frenquency wifi module and the built-in casing of antenna module encoder, make the encoder small, light in weight, easily carry, be applicable to the live broadcast system under the inconvenient environment of power supply such as outdoor.
Description
Technical Field
The application relates to the field of coding and live broadcasting of audio and video signals, in particular to a coder and an outdoor live broadcasting system.
Background
The rapid development of the internet technology and the popularization of the mobile intelligent terminal greatly drive and promote the internet propagation application of various audios and videos of network live broadcast and simultaneously drive the development of the live broadcast codec industry. The vast majority of live encoders on the market today have the following drawbacks:
(1) the work can be realized only by an external power supply.
(2) Large volume, heavy weight and inconvenient use and carrying.
(3) Most of wireless encoders adopt external antennas, so that the size of the encoder is increased, and when the encoder is carried out in a bag, the antenna needs to be detached firstly, and the antenna is installed again in use, which is very inconvenient.
Outdoor live broadcast is the most popular live broadcast mode at present, and how to improve the portability of outdoor live broadcast equipment and the convenience of power supply is also receiving more and more attention.
SUMMERY OF THE UTILITY MODEL
The application provides an encoder and outdoor live broadcast system for the encoder can satisfy the convenience demand of carrying and supplying power of outdoor live broadcast equipment.
According to an aspect of the application, there is provided in one embodiment an encoder comprising:
the first input interface is used for receiving digital audio and video signals input by an external digital signal source;
the second input interface is used for receiving an analog audio signal input by an external analog signal source;
the audio and video coding module is used for collecting, coding and compressing the received digital audio and video signals and/or analog audio signals;
a power supply interface for supplying power to the encoder;
the controller is used for controlling the encoder to switch the working mode;
the first input interface, the second input interface, the audio and video coding module, the power supply interface and the controller are at least partially accommodated in the accommodating cavity of the shell;
the shell is provided with a key which is in signal connection with the controller, the key can generate a signal when being triggered, and the controller responds to the signal generated when the key is triggered and controls the encoder to be switched to a corresponding working mode.
In one embodiment, the key can generate a signal when being triggered, and the controller controls the encoder to switch to a corresponding working mode in response to the signal generated when the key is triggered, including:
the key can generate different signals according to the triggered time, and the controller responds to the different signals and controls the encoder to be switched to the corresponding working mode.
In one embodiment, the device further comprises an indicator light, wherein the indicator light is controlled by a program to be switched to a corresponding lighting mode;
the lighting mode is used for representing the working state of the encoder, and the lighting mode corresponds to the working mode of the encoder one to one.
In one embodiment, the operating modes include at least: restoring a factory setting mode, a setting mode and a live mode;
the lighting mode of the indicator lamp at least includes: the indicator light is in a red and green alternative flashing mode, the indicator light is in an orange slow flashing mode, and the indicator light is in a green constant-lighting mode.
In one embodiment, the first input interface is arranged on one side of the shell, the second input interface, the power supply interface and the keys are arranged on the other side of the shell opposite to the first input interface, and the indicator light is arranged on the upper surface of the shell.
In an embodiment, the first input interface is an HDMI interface, the second input interface is an analog audio input interface, and the power supply interface is a USB interface.
In one embodiment, the bottom of the housing is provided with an iron sheet for connecting with other devices through magnetic attraction.
In one embodiment, the method further comprises:
the dual-frequency wifi module is arranged in the accommodating cavity of the shell and is used for providing a data transmission channel and generating a radio frequency signal so as to carry out data communication with external equipment;
the antenna module is arranged in the accommodating cavity of the shell and used for transmitting or receiving wifi radio frequency signals.
According to an aspect of the present application, an embodiment provides an outdoor live broadcasting system, including:
a camera for shooting a video signal;
the encoder is the encoder in the embodiment, the encoder is connected with the camera through a first input interface, and the encoder is used for collecting, encoding and compressing audio and video signals shot by the camera and outputting the audio and video signals to a third-party live broadcast platform;
the portable power source is connected with the encoder through a power supply interface and used for supplying power to the encoder.
In one embodiment, the method further comprises:
the hot shoe conversion connector is arranged in a hot shoe groove at the top of the camera;
the bottom of portable power source is equipped with the mounting hole, the inner wall of mounting hole has the internal thread, hot shoe conversion connector and fix with screw, the outer wall of screw has the external screw thread, the internal thread of mounting hole with the external screw thread of screw meshes mutually, portable power source passes through the meshing of mounting hole and screw with hot shoe conversion connector connects, portable power source's top is provided with the magnet piece, the bottom of the casing of encoder is provided with the iron sheet, the encoder passes through the magnet piece with the magnetism of iron sheet is inhaled the effect and is fixed portable power source's top.
According to encoder and outdoor live broadcast system of above-mentioned embodiment, the encoder includes first input interface, the second input interface, audio and video coding module, the power supply interface, a controller, the button, the pilot lamp, built-in dual-frenquency wifi module and antenna module, receive the audio and video signal of different external signal source inputs through first input interface and second input interface, supply power to the encoder through the power supply interface, the mode switches over the encoder through the button, and the operating condition of encoder is instructed to the mode of lighting through the pilot lamp difference, in addition dual-frenquency wifi module and antenna module built-in encoder's casing, make the encoder small, light in weight, easily carry, be applicable to the live broadcast system under the inconvenient environment of power supply such as outdoor.
Drawings
FIG. 1 is a schematic structural diagram of an encoder according to an embodiment;
FIG. 2 is a front view of the encoder of FIG. 1;
FIG. 3 is a rear view of the encoder of FIG. 1;
FIG. 4 is a top schematic view of the encoder shown in FIG. 1;
FIG. 5 is a bottom schematic view of the encoder of FIG. 1;
fig. 6 is a schematic view of an installation structure of the antenna module;
fig. 7 is a schematic structural diagram of an outdoor live broadcast system according to an embodiment;
FIG. 8 is a schematic diagram of the connection of an encoder to a mobile power supply;
FIG. 9 is a schematic diagram of the connection between the portable power source and the hot shoe switch connector;
fig. 10 is a schematic view of a hot shoe groove structure of the camera.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.
The ordinal numbers used herein for the components, such as "first," "second," etc., are used merely to distinguish between the objects described, and do not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
The first embodiment is as follows:
the encoder provided by the embodiment is used for transmitting audio and video signals of an external signal source after the audio and video signals are collected, encoded and compressed. For example, a video signal captured by a camera is collected, encoded and compressed by an encoder, and then transmitted to a video playing device for decoding, so that a user can view the video captured by the camera. Referring to fig. 1, fig. 1 is a schematic structural diagram of an encoder according to an embodiment, and a housing 10 of the encoder provided in the embodiment is provided with a first input interface 20, a second input interface 30, a power supply interface 40, a key 50, and an indicator light 60.
The first input interface 20 is used for receiving digital audio and video signals input by an external digital signal source. The second input interface 30 is used for receiving an analog audio signal input by an external analog signal source. The power supply interface 40 is used to supply auxiliary power to the encoder.
In one embodiment, the first input interface 20 is an HDMI interface, which can be connected to an external digital signal source such as a video camera, a notebook computer, etc., and can also supply power to the encoder by using the signal source; the second input interface 30 is an analog audio input interface, which can be externally connected with an analog audio source; the power supply interface 40 is a USB interface, and the USB interface is used for auxiliary power supply for the encoder; thus, the encoder can utilize the +5V power supply output by the HDMI interface of the signal source through the HDMI interface, and can also supply power through the USB power supply interface.
A button 50 is also provided on the housing 10, which button 50, when activated, causes the encoder to switch to the corresponding operating mode. Specifically, according to the length of the triggered time of the key, the key generates different signals, and the different signals control the encoder to switch to the corresponding working mode. For example: the encoder comprises three working modes, the triggering of the key can be divided into three modes of short pressing, long pressing and ultra-long pressing, and the short pressing operation is to press the key and keep the pressed state for less than 3 seconds; the long press operation is to press the key and keep the pressed state for more than or equal to 3 seconds and less than 15 seconds; the overlong pressing operation is to press the key and keep the pressed state for 15 seconds or more.
As shown in fig. 2, in this embodiment, the first input interface 20(HDMI interface) is located at one side of the housing, and is an HDMI Type-a male connector, so that the first input interface can be directly inserted into an HDMI socket of an external digital signal source without an HDMI connection line for audio and video signal acquisition.
As shown in fig. 3, in the present embodiment, the analog audio input interface, the USB interface, and the keys are located on the other side of the housing opposite to the HDMI interface, and the indicator light 60 is disposed on the upper surface of the housing.
The first input interface 20, the second input interface 30, the power supply interface 40, the keys 50 and the indicator lights 60 are components on the outer surface of the casing 10 of the encoder, and besides, the casing 10 of the encoder further includes an audio/video coding module and a controller inside. The audio and video coding module is used for collecting, coding and compressing received digital audio and video signals and/or analog audio signals, wherein if the analog audio signals are received, the analog audio signals are required to be converted into digital audio signals, and then coding and compressing are carried out. It should be noted that the audio/video encoding module is an existing functional module in the encoder, and a detailed structure thereof is not described here. The controller is used for controlling the encoder to switch the working mode. In one embodiment, the operating modes of the encoder include: the factory setting mode, the setting mode, and the live mode are restored, and these three operation modes are specifically described below.
When the encoder is in a factory reset mode, the encoder can reset all working parameters to the initial state when the encoder leaves the factory; when the encoder is in the setting mode, the encoder serves as WI-FI AP equipment, provides web service and is internally provided with a setting webpage, a third party has webpage browser functional equipment, such as a computer, a mobile phone and a tablet computer, joins the WI-FI network, and opens the setting webpage by using a webpage browser to modify the working parameters or behaviors of the encoder; when the device is in the live broadcast mode, the encoder live broadcasts audio and video signals of the signal source according to the set parameters in the set mode.
In an embodiment, the encoder can also switch the working state thereof by triggering a key, specifically, in a live broadcast mode, live broadcast is carried out or live broadcast control is stopped by pressing the key for a short time; the encoder can enter a setting mode by pressing the key for a long time, and can enter a factory resetting mode by pressing the key for an overlong time.
The encoder provided by this embodiment further includes: an indicator lamp 60, the indicator lamp 60 being switched to a corresponding lighting mode under program control; the lighting mode is used for representing the working state of the encoder, and the lighting mode corresponds to the working mode of the encoder one to one.
In one embodiment, as shown in FIG. 4, the indicator light 60 is located on the upper surface of the housing, i.e., the top of the encoder. The indicator light 60 is programmed to appear in three colors, red, green and orange, and the operating mode of the encoder is indicated by different lighting modes. The operation mode of the encoder and the lighting mode of the indicator lamp include: the factory setting mode is restored, and at the moment, the indicator lamp 60 alternately flashes in red and green states; setting a mode, wherein the state of the indicator light is orange and slowly flickers; in the live broadcast mode, the green light quickly flashes to indicate live broadcast, and the green light is always on to indicate stop of live broadcast.
As shown in fig. 5, in one embodiment, the bottom of the housing 10 is provided with an iron plate 70 for connecting with other devices by magnetic attraction. The bottom of the shell is embedded with a 40mm (L) () 20mm (W) iron sheet nameplate, the nameplate is carved by using a laser etching technology to display product information of the encoder, and meanwhile, the metal nameplate can be adsorbed to the magnet and can be fixed with other equipment pasted with the magnet.
In one embodiment, the encoder further comprises a dual-frequency wifi module and an antenna module, wherein both the dual-frequency wifi module and the antenna module of the encoder are built-in modules which are built in the accommodating cavity of the shell 10, and the dual-frequency wifi module is used for providing a data transmission channel and producing radio frequency signals; the antenna module is used for transmitting or receiving wifi radio frequency signals, as shown in fig. 6, the antenna module in this embodiment adopts an FPC flexible internal antenna 80, the FPC flexible internal antenna 80 is pasted on the top position in the encoder housing 10, and is connected to the tail of the encoder 200 through a radio frequency line 90.
In this embodiment, the outer surface of the encoder is only provided with the first input interface, the second input interface, the power supply interface and the keys, so that the encoder is small in appearance, light in weight and convenient to carry. And moreover, the power supply interface can support the power supply of the mobile power supply, and convenience is provided for the application of the encoder in an outdoor live broadcast system.
Example two:
referring to fig. 7, fig. 7 is a schematic structural diagram of an outdoor live broadcasting system according to an embodiment, where the outdoor live broadcasting system includes: the video camera 100, the encoder 200 and the mobile power supply 300, wherein the specific implementation of the encoder 200 has been described in detail in the first embodiment, and is not described herein again.
The camera 100 is used for shooting an outdoor live video signal, and provides a signal source of audio and video signals for the encoder 200; the encoder 200 is connected to the camera 100 through a first input interface, and the encoder 200 is configured to collect, encode, compress, and transmit a video signal captured by the camera 100; the portable power source 300 is connected to the encoder 200 through a power supply interface, and the portable power source 300 supplies power to the encoder 200. The camera 100 in this embodiment is a high-definition camera, and the high-definition camera is used for shooting outdoor live video, that is, is used as a signal source of live audio and video signals.
The outdoor live broadcast system provided by the embodiment further comprises a mobile hotspot, wherein the mobile hotspot is mainly used for providing an internet access point for the encoder, and the encoder can establish connection with the mobile hotspot through a built-in dual-frequency WiFi module so as to access the internet.
The connection between the camera 100, the encoder 200, and the portable power source 300 will be described in detail.
As shown in fig. 8, (a) in fig. 8 is a schematic view of a bottom of a housing of the encoder 200, an iron plate nameplate 201 is embedded in the bottom of the housing of the encoder 200, and (b) in fig. 8 is a schematic view of a top of the mobile power supply 300, the top of the mobile power supply 300 is adhered with a magnet piece 301 having a size (40mm 20mm) of the iron plate nameplate 201 of the encoder 200 by a 3M adhesive, and the encoder 200 and the mobile power supply 300 are attracted and fixed by a magnetic attraction effect of the magnet piece 301 and the iron plate 201.
As shown in fig. 9 and 10, the outdoor live broadcasting system of the present embodiment further includes: a hot shoe conversion connector 400 disposed in the hot shoe groove 101 at the top of the camera 100; fig. 9 (a) is a schematic bottom view of the portable power source 300, the portable power source 300 is provided with a mounting hole 302 at the bottom, the inner wall of the mounting hole 302 is provided with an internal thread, fig. 9 (b) is a schematic structural view of the hot shoe conversion connector, and the portable power source 300 is connected with the hot shoe conversion connector 400 through the engagement of a screw 401 with an external thread and the mounting hole 302 with an internal thread. Wherein, the mounting hole 302 is 1/4 screw hole.
Further, as shown in fig. 7, the HDMI interface (HDMI output interface) of the video camera 100 and the HDMI interface (HDMI input interface) of the encoder 200 are connected by an HDMI connection line 600. The USB interface of the mobile power source 300 and the USB interface of the encoder 200 are connected by a 90 ° USB power adapter 500 to supply power to the encoder.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.
Claims (10)
1. An encoder, comprising:
the first input interface is used for receiving digital audio and video signals input by an external digital signal source;
the second input interface is used for receiving an analog audio signal input by an external analog signal source;
the audio and video coding module is used for collecting, coding and compressing the received digital audio and video signals and/or analog audio signals;
the power supply interface is used for supplying power to the encoder;
the controller is used for controlling the encoder to switch the working mode;
the first input interface, the second input interface, the audio and video coding module, the power supply interface and the controller are at least partially accommodated in the accommodating cavity of the shell;
the shell is provided with a key which is in signal connection with the controller, the key can generate a signal when being triggered, and the controller responds to the signal generated when the key is triggered and controls the encoder to be switched to a corresponding working mode.
2. The encoder of claim 1, wherein the key is capable of generating a signal when activated, and wherein the controller is responsive to the signal generated when the key is activated to control the encoder to switch to a corresponding operating mode, comprising:
the key can generate different signals according to the triggered time, and the controller responds to the different signals and controls the encoder to be switched to the corresponding working mode.
3. The encoder of claim 2, further comprising an indicator light programmed to switch to a corresponding illumination mode;
the lighting mode is used for representing the working state of the encoder, and the lighting mode corresponds to the working mode of the encoder one to one.
4. The encoder of claim 3, wherein the operating mode comprises at least: restoring a factory setting mode, a setting mode and a live broadcasting mode;
the lighting mode of the indicator lamp at least includes: the indicator light is in a red and green alternative flashing mode, the indicator light is in an orange slow flashing mode, and the indicator light is in a green constant-lighting mode.
5. The encoder of claim 3, wherein the first input interface is disposed on one side of the housing, the second input interface, the power supply interface, and the keys are disposed on an opposite side of the housing from the first input interface, and the indicator light is disposed on an upper surface of the housing.
6. The encoder of claim 5, wherein the first input interface is an HDMI interface, the second input interface is an analog audio input interface, and the power supply interface is a USB interface.
7. The encoder as claimed in claim 5, wherein the bottom of the housing is provided with an iron plate for connecting with other devices by magnetic attraction.
8. The encoder of any of claims 1 to 7, further comprising:
the dual-frequency wifi module is internally arranged in the accommodating cavity of the shell and is used for providing a data transmission channel and generating a radio frequency signal so as to carry out data communication with external equipment;
the antenna module is arranged in the accommodating cavity of the shell and is used for transmitting or receiving wifi radio frequency signals.
9. An outdoor live broadcast system, comprising:
a camera for shooting a video signal;
the encoder is the encoder as claimed in any one of claims 1 to 8, the encoder is connected with a camera through a first input interface, and the encoder is used for collecting, encoding and compressing audio and video signals shot by the camera and outputting the audio and video signals to a third-party live broadcast platform;
the portable power source is connected with the encoder through a power supply interface and used for supplying power to the encoder.
10. The outdoor live broadcast system of claim 9, further comprising:
the hot shoe conversion connector is arranged in a hot shoe groove at the top of the camera;
the bottom of portable power source is equipped with the mounting hole, the inner wall of mounting hole has the internal thread, hot shoe conversion connector and fix with screw, the outer wall of screw has the external screw thread, the internal thread of mounting hole with the external screw thread of screw meshes mutually, portable power source passes through the mounting hole with the meshing of screw with hot shoe conversion connector connects, portable power source's top is provided with the magnet piece, the bottom of the casing of encoder is provided with the iron sheet, the encoder passes through the magnet piece with the magnetism of iron sheet is inhaled the effect and is fixed portable power source's top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274981.9U CN216751964U (en) | 2022-02-10 | 2022-02-10 | Encoder and outdoor live broadcast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274981.9U CN216751964U (en) | 2022-02-10 | 2022-02-10 | Encoder and outdoor live broadcast system |
Publications (1)
| Publication Number | Publication Date |
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| CN216751964U true CN216751964U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220274981.9U Active CN216751964U (en) | 2022-02-10 | 2022-02-10 | Encoder and outdoor live broadcast system |
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| CN (1) | CN216751964U (en) |
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- 2022-02-10 CN CN202220274981.9U patent/CN216751964U/en active Active
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