CN205961259U - USB audio video collecting equipment - Google Patents
USB audio video collecting equipment Download PDFInfo
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- CN205961259U CN205961259U CN201620823082.4U CN201620823082U CN205961259U CN 205961259 U CN205961259 U CN 205961259U CN 201620823082 U CN201620823082 U CN 201620823082U CN 205961259 U CN205961259 U CN 205961259U
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- audio
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Abstract
The utility model discloses a USB audio video collecting equipment, it includes HDMI video signal input interface, audio signal input interface, audio/video processing unit, USB data output interface and USB controller. The audio/video processing unit respectively with HDMI video signal input interface and audio signal input interface electricity are connected, and be right in order to be used for the audio signal of audio signal input interface input carries out sound effect processing to to pass through behind the sound effect processing audio signal with HDMI video signal carries out sound video mixing formant video signal. The USB data output interface with audio/video processing unit electricity is connected, is used for supplying audio and video signal output. USB controller electricity is connected the audio/video processing unit with between the USB data output interface, be used for with the audio and video signal's of audio/video processing unit output data type converts to and is suitable for USB data output interface outlet's data type. USB audio video collecting equipment can carry out editor's output in real time to audio frequency and video.
Description
Technical field
This utility model is related to a kind of USB audio-video acquisition equipment.
Background technology
HDMI HD video has played indispensable effect in online game development, especially for game main broadcaster and game
For player, the definition of video capture image directly affects the live effect of game and the visual experience of spectators.
Game is live and game player is for image clearly to meet to provide many video capture devices at present on the market
The requirement of degree aspect, in order to ensure the definition of video, it is all generally by HDMI high definition to these existing video capture devices
The data of input interface input is directed through HDMI and exports to TV/screen.
But, for game main broadcaster or instructor in broadcasting, after simply game picture being gathered, carry out output display not
Disclosure satisfy that the demand of reality, it needs the video pictures of collection as video source, and increase audio frequency, editor on this basis
Etc. function.And existing video capture device, and these demands cannot be met.
Utility model content
In view of this, provide and a kind of can solve the problem that the USB audio-video acquisition equipment of the problems referred to above is actually necessary.
A kind of USB audio-video acquisition equipment, it includes：HDMI video signal input interface, it is used for external HDMI equipment
To receive outside HDMI video signal；Audio input interface, it is used for external audio frequency source to receive external audio signal；Sound
Video processing unit, it is electrically connected with described HDMI video signal input interface and audio input interface respectively, with
Carry out audio effect processing in the audio signal that described audio input interface is inputted, and the audio frequency after audio effect processing is believed
Number carry out audio frequency and video and be mixed to form audio-video signal with described HDMI video signal；Usb data output interface, it is regarded with described sound
Frequency processing unit electrically connects, for for the output of described audio-video signal；And USB controller, it is connected electrically in described audio frequency and video
Between processing unit and described usb data output interface, for the data type conversion of described audio-video signal is become to be suitable for
The data type of described usb data output interface output.
Preferably, described audio frequency and video processing unit is selected from any one in FPGA, DSP, ARM chip.
Preferably, described audio input interface is included in analogue audio frequency input interface and DAB input interface
At least one, wherein, described analog audio interface be selected from TRS interface, TRPS interface, in RCA interface and XLR interface extremely
Few one kind, described digital audio interface is selected from AES/EBU interface, S/PDIF interface, coaxial interface and optical fiber interface extremely
Few one kind.
Preferably, described audio input interface includes microphone interface, at least one in music input interface.
Preferably, described USB audio-video acquisition equipment further includes audio signal output interface, and described audio signal is defeated
Outgoing interface is electrically connected with described audio frequency and video processing unit, for exporting to outside for described audio signal after audio effect processing
Audiomonitor, described audio signal output interface is included in analogue audio frequency input interface and DAB input interface at least
One kind, wherein, described analog audio interface is selected from least in TRS interface, TRPS interface, RCA interface and XLR interface
Kind, described digital audio interface is selected from least in AES/EBU interface, S/PDIF interface, coaxial interface and optical fiber interface
Kind.
Preferably, it is further provided with one between described audio input interface and described audio frequency and video processing unit
Mode selector switch, described mode selector switch is used for opening described audio input interface and described audio frequency and video processing unit
Between signalling channel so that described USB audio-video acquisition equipment is in audio frequency and video mode of operation, or, close described audio frequency
Signalling channel between signal input interface and described audio frequency and video processing unit, so that described USB audio-video acquisition equipment is in
Pure video mode of operation.
Preferably, described USB audio-video acquisition equipment further includes HDMI video signal output interface, and it is with described sound
Video processing unit electrically connects, to be provided from the HDMI video signal output of described HDMI video signal input interface input.
Preferably, described USB audio-video acquisition equipment further includes to monitor interface, and described monitoring interface and described sound regard
Frequency processing unit electrically connects, for exporting to outside audiomonitor for described audio signal after audio effect processing.
Preferably, described USB audio-video acquisition equipment further includes digital-to-analogue/analog-to-digital conversion module, described digital-to-analogue/modulus
Modular converter is connected electrically between described audio input interface and described audio frequency and video processing unit, for believing to described audio frequency
The audio signal of transmission carries out digital-to-analogue or analog digital conversion number between input interface and described audio frequency and video processing unit.
Preferably, described USB audio-video acquisition equipment further includes single machine unit and is arranged on described USB sound and regards
Control on frequency collecting device shell, described control is electrically connected with described audio frequency and video processing unit by described single machine unit,
With to described audio frequency and video processing unit transmitting control commands come to enter described USB audio-video acquisition equipment audio signal and/
Or video signal is processed.
Compared with prior art, the above-mentioned USB audio-video acquisition equipment that this utility model embodiment is provided, it has
Following advantage：(1) HDMI data-source device is linked on provided by the utility model by HDMI video signal input interface
After stating USB audio-video acquisition equipment, by the hardware structure design of described USB audio-video acquisition equipment, can be by HDMI data
Be converted to USB video data, now, when the usb data output of described USB audio-video acquisition equipment provided by the utility model
When interface is linked into the smart machines such as computer, the described USB audio-video acquisition equipment being connected with HDMI data-source device can be by
The smart machine Direct Recognition such as computer for USB video capture device that is to say, that now, is connected with HDMI data-source device
Described USB audio-video acquisition equipment can be USB camera equipment by the smart machine Direct Recognition such as computer, so, in computer
The related software application in portion, the such as audio frequency and video such as net cast software or net cast companion process software just can be to described
The video data of HDMI data-source device output carries out processing on real-time and carries out live, thus solve existing equipment cannot be to adopting
The video data of collection carries out the problem of real-time edition；(2) the above-mentioned USB audio-video collection that this utility model embodiment is provided
Equipment, while being provided with HDMI video signal input interface, is additionally provided with audio input interface, can allow user
Access the audio source device such as microphone, meanwhile, described USB audio-video acquisition equipment also can the audio source device input such as microphone sound
Frequency signal carries out audio effect processing, thus carrying out effect process to the sound of user input, thus greatly meeting game main broadcaster
Personnel are for the demand of audio frequency audio effect processing aspect；(3) Setting pattern switching switch, can make described USB audio-video collection set
Standby be in audio frequency and video mode of operation, or, make described USB audio-video acquisition equipment be in pure video mode of operation, so, give
User is more using degree of freedom.
Brief description
Fig. 1 is the USB audio-video acquisition equipment structural representation of an embodiment.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is described in further detail to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Refer to Fig. 1, the USB audio-video acquisition equipment 100 that this utility model embodiment is provided, it includes HDMI and regards
Frequency signal input interface 10, audio input interface 20, audio frequency and video processing unit 30, usb data output interface 40 and USB
Controller 50.
Described HDMI video signal input interface 10 its be used for external HDMI equipment to receive outside HDMI video signal.
Described audio input interface 20 is used for external audio frequency source to receive external audio signal.
Preferably, described audio input interface 20 includes analogue audio frequency input interface and DAB input interface
In at least one, wherein, described analog audio interface be selected from TRS interface, TRPS interface, in RCA interface and XLR interface
At least one, described digital audio interface is selected from AES/EBU interface, S/PDIF interface, coaxial interface and optical fiber interface
At least one.
Alternatively, described audio input interface 20 include microphone interface, in music input interface at least one
Kind.
Described audio frequency and video processing unit 30 is inputted with described HDMI video signal input interface 10 and audio signal respectively
Interface 20 electrically connects, and the audio signal for inputting to described audio input interface 10 carries out audio effect processing, and will be through
Cross the audio signal after audio effect processing and described HDMI video signal carries out audio frequency and video and is mixed to form audio-video signal.
Alternatively, described audio frequency and video processing unit 30 is selected from any one in FPGA, DSP, ARM chip.
Described usb data output interface 40 is electrically connected with described audio frequency and video processing unit 30, for for described audio frequency and video letter
Number output.
Described USB controller 50 be connected electrically in described audio frequency and video processing unit 30 and described usb data output interface 40 it
Between, for the data type conversion of described audio-video signal is become to be suitable for the data that described usb data output interface 40 exports
Type.
Preferably, described USB audio-video acquisition equipment 100 further includes audio signal output interface 60, described audio frequency
Signal output interface 60 is electrically connected with described audio frequency and video processing unit 30, for for carrying out through described audio frequency and video processing unit 30
Audio signal after audio effect processing exports to outside audiomonitor, and described audio signal output interface 60 includes analogue audio frequency input
At least one in interface and DAB input interface, wherein, described analog audio interface is selected from TRS interface, TRPS connects
Mouthful, at least one in RCA interface and XLR interface, described digital audio interface be selected from AES/EBU interface, S/PDIF interface,
At least one in coaxial interface and optical fiber interface.
Preferably, it is further provided between described audio input interface 20 and described audio frequency and video processing unit 30
One mode selector switch 70, described mode selector switch 70 is used for opening described audio input interface 20 and is regarded with described sound
Signalling channel between frequency processing unit 30, so that described USB audio-video acquisition equipment 100 is in audio frequency and video mode of operation, or
Person, closes the signalling channel between described audio input interface 20 and described audio frequency and video processing unit 30, so that described USB
Audio-video acquisition equipment 100 is in pure video mode of operation.
Preferably, described USB audio-video acquisition equipment 100 further includes HDMI video signal output interface 80, its with
Described audio frequency and video processing unit 30 electrically connects, to be provided from the HDMI video signal of described HDMI video signal input interface 10 input
Output.
Preferably, described USB audio-video acquisition equipment 100 further includes to monitor interface 90, described monitoring interface 90 with
Described audio frequency and video processing unit 30 electrically connects, and sets to outside monitoring for exporting for described audio signal after audio effect processing
Standby.
Preferably, described USB audio-video acquisition equipment 100 further includes digital-to-analogue/analog-to-digital conversion module 101, described number
Mould/analog-to-digital conversion module 101 is connected electrically between described audio input interface 20 and described audio frequency and video processing unit 30, uses
In between described audio input interface 20 and described audio frequency and video processing unit 30 transmission audio signal carry out digital-to-analogue or
Person's analog digital conversion.
Preferably, described USB audio-video acquisition equipment 100 further includes single machine unit 102 and is arranged on described
Control 103 on USB audio-video acquisition equipment 100 shell, described control 103 is by described single machine unit 102 and described sound
Video processing unit 30 electrically connects, the described USB sound of entrance is regarded to described audio frequency and video processing unit 30 transmitting control commands
The audio signal of frequency collecting device 100 and/or video signal are processed.
Compared with prior art, the above-mentioned USB audio-video acquisition equipment that this utility model embodiment is provided, it has
Following advantage：(1) HDMI data-source device is linked on provided by the utility model by HDMI video signal input interface
After stating USB audio-video acquisition equipment, by the hardware structure design of described USB audio-video acquisition equipment, can be by HDMI data
Be converted to USB video data, now, when the usb data output of described USB audio-video acquisition equipment provided by the utility model
When interface is linked into the smart machines such as computer, the described USB audio-video acquisition equipment being connected with HDMI data-source device can be by
The smart machine Direct Recognition such as computer for USB video capture device that is to say, that now, is connected with HDMI data-source device
Described USB audio-video acquisition equipment can be USB camera equipment by the smart machine Direct Recognition such as computer, so, in computer
The related software application in portion, the such as audio frequency and video such as net cast software or net cast companion process software just can be to described
The video data of HDMI data-source device output carries out processing on real-time and carries out live, thus solve existing equipment cannot be to adopting
The video data of collection carries out the problem of real-time edition；(2) the above-mentioned USB audio-video collection that this utility model embodiment is provided
Equipment, while being provided with HDMI video signal input interface, is additionally provided with audio input interface, can allow user
Access the audio source device such as microphone, meanwhile, described USB audio-video acquisition equipment also can the audio source device input such as microphone sound
Frequency signal carries out audio effect processing, thus carrying out effect process to the sound of user input, thus greatly meeting game main broadcaster
Personnel are for the demand of audio frequency audio effect processing aspect；(3) Setting pattern switching switch, can make described USB audio-video collection set
Standby be in audio frequency and video mode of operation, or, make described USB audio-video acquisition equipment be in pure video mode of operation, so, give
User is more using degree of freedom.
The above, preferred embodiment only of the present utility model, it is not intended to limit embodiment of the present utility model,
Those of ordinary skill in the art, according to central scope of the present utility model and spirit, can very easily carry out corresponding accommodation
Or modification, therefore protection domain of the present utility model should the protection domain required by by claims be defined.
Claims (10)
1. a kind of USB audio-video acquisition equipment, it includes：
HDMI video signal input interface, it is used for external HDMI equipment to receive outside HDMI video signal；
Audio input interface, it is used for external audio frequency source to receive external audio signal；
Audio frequency and video processing unit, it is electrically connected with described HDMI video signal input interface and audio input interface respectively
Connect, the audio signal for inputting to described audio input interface carries out audio effect processing, and will be after audio effect processing
Audio signal and described HDMI video signal carry out audio frequency and video and be mixed to form audio-video signal；
Usb data output interface, it is electrically connected with described audio frequency and video processing unit, for for the output of described audio-video signal；With
And
USB controller, it is connected electrically between described audio frequency and video processing unit and described usb data output interface, for by institute
The data type conversion stating the audio-video signal of audio frequency and video processing unit output becomes to be suitable for described usb data output interface output
Data type.
2. USB audio-video acquisition equipment as claimed in claim 1 is it is characterised in that described audio frequency and video processing unit is selected from
Any one in FPGA, DSP, ARM chip.
3. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described audio input interface includes
At least one in analogue audio frequency input interface and DAB input interface, wherein, described analog audio interface is selected from TRS
At least one in interface, TRPS interface, RCA interface and XLR interface, described digital audio interface be selected from AES/EBU interface,
At least one in S/PDIF interface, coaxial interface and optical fiber interface.
4. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described audio input interface includes
At least one in microphone interface, music input interface.
5. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described USB audio-video acquisition equipment enters one
Step includes audio signal output interface, and described audio signal output interface is electrically connected with described audio frequency and video processing unit, for supplying
Described audio signal after audio effect processing exports to outside audiomonitor, and described audio signal output interface includes analog audio
At least one in frequency input interface and DAB input interface, wherein, described analog audio interface be selected from TRS interface,
At least one in TRPS interface, RCA interface and XLR interface, described digital audio interface is selected from AES/EBU interface, S/
At least one in PDIF interface, coaxial interface and optical fiber interface.
6. USB audio-video acquisition equipment as claimed in claim 2 it is characterised in that described audio input interface with
It is further provided with a mode selector switch, described mode selector switch is used for opening institute between described audio frequency and video processing unit
State the signalling channel between audio input interface and described audio frequency and video processing unit, so that described USB audio-video collection sets
Standby be in audio frequency and video mode of operation, or, close between described audio input interface and described audio frequency and video processing unit
Signalling channel, so that described USB audio-video acquisition equipment is in pure video mode of operation.
7. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described USB audio-video acquisition equipment enters one
Step includes HDMI video signal output interface, and it is electrically connected with described audio frequency and video processing unit, to be provided from described HDMI video letter
The HDMI video signal output of number input interface input.
8. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described USB audio-video acquisition equipment enters one
Step includes monitoring interface, and described monitoring interface electrically connected with described audio frequency and video processing unit, for for described through audio effect processing
Audio signal afterwards exports to outside audiomonitor.
9. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described USB audio-video acquisition equipment enters one
Step includes digital-to-analogue/analog-to-digital conversion module, and described digital-to-analogue/analog-to-digital conversion module is connected electrically in described audio input interface and institute
State between audio frequency and video processing unit, for transmission between described audio input interface and described audio frequency and video processing unit
Audio signal carries out digital-to-analogue or analog digital conversion.
10. USB audio-video acquisition equipment as claimed in claim 2 is it is characterised in that described USB audio-video acquisition equipment enters
One step includes single machine unit and is arranged on control on described USB audio-video acquisition equipment shell, and described control passes through institute
State single machine unit to electrically connect with described audio frequency and video processing unit, right to come to described audio frequency and video processing unit transmitting control commands
Enter the audio signal of described USB audio-video acquisition equipment and/or video signal is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823082.4U CN205961259U (en) | 2016-07-31 | 2016-07-31 | USB audio video collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823082.4U CN205961259U (en) | 2016-07-31 | 2016-07-31 | USB audio video collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961259U true CN205961259U (en) | 2017-02-15 |
Family
ID=57972744
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620823082.4U Expired - Fee Related CN205961259U (en) | 2016-07-31 | 2016-07-31 | USB audio video collecting equipment |
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| CN (1) | CN205961259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820035A (en) * | 2017-03-23 | 2018-03-20 | 北京君林科技股份有限公司 | The merging method and HDMI connector of a kind of external audio signal and HDMI signals |
-
2016
- 2016-07-31 CN CN201620823082.4U patent/CN205961259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820035A (en) * | 2017-03-23 | 2018-03-20 | 北京君林科技股份有限公司 | The merging method and HDMI connector of a kind of external audio signal and HDMI signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20210731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |