USB3.0 FEBON169 FEBON180 hdmi 擷取器組適用OBS去背直播 ( keyer effects)直播教學

使用這下面兩支擷取器實現OBS去背

USB3.0 FEBON180 免驅HDMI 擷取器	USB3.0 FEBON169 免驅HDMI擷取器
FEBON180的聲音有做自動取樣率處理， 建議採用此擷取器設定成直播的聲音來源	FEBON169的聲音擷取沒有做自動取樣率處理 不建議用此台擷取器當作是聲音的來源 若一定要用這台的聲音來源，請到windows 音效管理員調整適當的聲音取樣率 通常是 48KHZ

自己準備綠背景和攝影機

不建議用CANON 單眼 ： 因為沒有聲音，只有影像

這類相機不支持 " CleanHDMI" (hdmi影像無法去除對焦的符號)

DV 方面，不建議用 SONY  HDR-CX405, 這款的hdmi輸出只有影像沒有聲音

下圖是採用 SONY HDR-PJ675  亦可採用 SONY HDR-CX450

The smallest Power consumption of USB2.0 FEBON168 PLUS UVC HDMI capture card for Android phone use

The smallest Power consumption of  USB2.0 FEBON168 PLUS UVC HDMI capture card for Android phone use

advantage:

1. It is just 208 mA for android application
   it is super low power consumption

OBS (Open Broadcaster Software) let DV Camcorder livestreaming with facebook live Youtube live

 

How to let DV camcorder live streaming on PC?

OBS (open broadcaster software) is the best choice.

OBS have MAC version and windows version.


Besides OBS, it still have anther livesteaming software

for exmaple :  wirecast, xplit.....

This article is base on  OBS livestreaming  software. 





How to use MAC OBS

The below video use facebook live

	USB2.0 FEBON168HDMI grabber card	USB3.0 FEBON169 HDMI grabber card	USB3.0 FEBON179 HDMI grabber card
VIDEO DEMO
	1.audio shfit 350-400ms 2.APPLE hardware   compression 3.resolution 1280x720	1.audio shfit 250-350ms 2.APPLE hardware   compression 3.resolution 1280x720	1. audio shfit 250-350ms 2.APPLE hardware   compression 3.resolution 1280x720

	USB3.0 FEBON180HDM capture card
video demo
	1.audio shfit 350-400ms2.APPLE hardware   compression 3.resolution 1280x720

How to use WINDOWS OBS
The below video use facebook live

	USB2.0 FEBON168 HDMI grabber card  1.audio shfit 250-350ms 2.hardware. compression 3.resolution 1280x720	USB3.0 FEBON178 HDMI grabber card 1.audio shfit 150-250ms 2.hardware. compression 3.resolution 1280x720	USB3.0 FEBON169 HDMI grabber card 1.audio shfit 150-250ms 2.hardware compression 3.resolution 1280x720	USB3.0 FEBON179 HDMI grabber card 1.audio shfit 150-250ms 2. hardware compression 3.resolution 1280x720

	新推出！！！ USB3.0 FEBON80 HDMI 擷取卡
Video demo
	1.audio shfit 150-250ms 2.hardware. compression 3.resolution 1280x720

HDMI output of DV camcorder input PC.
and then use OBS to process the video  and then...... live upload into facebook / Youtube


diagram:

We can divided many things to discuss.

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Internet connecting


Internet is the basic problem.
if your video performance is  better but internet is not good, the livesstreaming will be bad


internet is the basic issue!!


Usually, we can see the internet speed on the end of OBS software 

For example: 
you can see the internet upload speed is 2726 


if the number is below. 1000, the internet is bad!
it will occur the interrupt livesteaming!

W suggest that you can use the wire internet. 

For MAC use,  you can add the " RJ45 to USB adapter"



internet main chip is 　AX88772A


This chip AX88772A is dirverless for MAC OSX

DV camcorder:


 We always use HDMI output of camcorder as the video source


But, Not all of camorder have live hdmi output.

Although you can see the hdmi connector on the Camcorder,  it just for play back not live video



For examle:
Panasonic GF3 GF4 .

its hdmi output just for play back only





By the way, some camera hdmi  output is just video only and no audio

For example: Canon DSLR  (500d, 450d....7d......)


I DO NOT recommend that you use Canon as the video source.

reason:
1. no audio
2. video is just 1920x1080i output.

For USB2.0 FEOBN168 UVC HDMI grabber card, it will have a little up and down.





I suggest that you can use SONY DV camcorder as video / audio source

USB3.0 FEBON180 UVC HDMI capture card

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DATASHEET 
 English datasheet link


中文規格書
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AUDIO auto detect sampling rate 

 It can automatically detect the input audio formats and swift it to 48KHz PCM audio.

Follow standard UVC MJPG/YUV  for USB3.0  and USB2.0 

  USB3.0 high speed mode is up to 1920x1080p 60fps YUV /mjpg

  USB2.0 normal mode (Android application) is up to 1920x1080p 30fps mjpg

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MIPI fisheye VR 360 degree camera for Raspberry pi design

Why use MIPI interface?
1.smallest video latency
2.better frame rate
3. It can use GPU
4.bandwidth is higher than USB2.0. it can transmit 19201080p 30fps without compression.

This mipi Fisheye VR 360 degree camera is design for Raspberry PI

If you can use Raspberry mipi camera well, you will also have ability to use this camera.