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MAGEWELL
USB Capture SDI Plus Technical Specifications
Copyright (c) 2011–2021 Nanjing Magewell Electronics Co., Ltd. All rights reserved.
Specifications are based on current hardware, firmware and software revisions, and are subject to change without notice.
Windows, DirectShow and DirectSound are trademarks or registered trademarks of Microsoft Corporation. OS X and macOS
are trademarks or registered trademarks of Apple Inc.
Revised 30/03/2021
Supported OS
Windows
Windows 7/8/8.1/10/Server 2008/Server 2008 R2/Server 2012/Server 2016 (x86 & x64)
Linux (support x86, x64 & ARM architecture)
Ubuntu 12.04/14.04/16.04/17.04/17.10/18.04 (x86 & x64)
CentOS 6.5/7 (x86 & x64)
Fedora 25/26/27 (x86 & x64)
Red hat 6.5 and above (x86 & x64)
Other Linux OS with kernel version 2.6.35 and above
Mac
OS X 10.9/10.10/10.11
macOS 10.12 and above
Chrome OS
Recommended OS (tested)
Windows
Windows 7 Ultimate/8.1 Enterprise/10 Enterprise/Server 2008 R2 DataCenter/Server 2012 R2
DataCenter/Server 2016 R2 DataCenter (x86 & x64)
Linux
Ubuntu 12.04/14.04/16.04 (x86 & x64)
Ubuntu 17.04/17.10/18.04 (x64)
CentOS 6.5/7.2 (x86 & x64)
Fedora 25/26 (x64)
Red hat 6.5 (x86 & x64)
Mac
OS X 10.9.5/10.10/10.11.2/10.11.3/10.11.4
macOS 10.12/10.13.2/10.13.3/10.14.3/10.15
Supported APIs
Windows
DirectShow
Wave API/DirectSound/WASAPI
Linux
V4L2
ALSA
macOS
AVCaptureSession
AudioUnit
Compatible Software
Zoom
Skype
Mircosoft Teams
GoToMeeting
Gstreamer
VLC
OBS Studio
XSplit
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QuickTime Player
Any other DirectShow/V4L2/AVCaptureSession based encoding or streaming software
Input Interfaces
BNC
SD/HD/3G SDI
3.5mm audio jack
unbalanced Line In interface
Host Interface
USB 3.0
compatible with USB 2.0
compatible with USB 3.1 Gen 1
Output Interface
3.5mm audio jack
unbalanced Line Out interface
Loop-through Interface
BNC
SD/HD/3G SDI
Input features
Support for up to 2048x1080 input resolution
SDI Specific Features
Integrated cable equalizer extending the cable length as follows:
up to 330m for SD-SDI signals
up to 190m for HD-SDI signals
up to 150m for 3G-SDI signals
Support for SD/HD/3Ga/3Gb/3Gb-DL/3Gb-DS standards
Support for 2K (2048x1080) mode
Support for RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2 color sampling
Support for 10/12-bit color depth
Support for extraction of SMPTE 352 payload identifier
Support for up to 2 (mono) audio channels at 48KHz
Support for extraction of audio formation information & channel status data
Limited support of 3Gb-DS: only the first stream can be captured
Limited support for capture of the first link of dual link interfaces:
YCbCr 4:2:2 10-bit 1080p 50/59.94/60: captured as 1080i 50/59.94/60
YCbCr 4:4:4 10-bit: captured as 4:2:2
RGB 4:4:4: R/B sub-sampled
Analog Audio Features
Extract the embedded SDI audio and output via 3.5mm unbalanced Line out
Capture analog audio via 3.5 mm unbalanced Line In interface
Video Capture format
Support for capture resolutions up to 2048x1080
Support for capture frame rates up to 120fps (Actual capture frame rate can be limited by the USB bandwidth and
internal working frequency. Typical capture frame rates on the Intel USB3.0 controller are as follows.)
1920x1080 YUY2 (up to 70fps)
1920x1080 RGB24 (up to 60fps)
Support for YUY2 & UYVY 4:2:2 8-bit
Support for RGB24 & RGB32 4:4:4 8-bit
The default capture format is YUY2. More capture formats can be set using USB Capture Utility.
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Video Processing Features
Video processing pipelines with 160 Mpixels/s processing bandwidth
Video cropping
Video scaling
Video de-interlacing
Weave
Blend top & bottom field
Top field only
Bottom field only
Video aspect ratio conversion
Auto or manual selection of input aspect ratio
Auto or manual selection of capture aspect ratio
Three aspect ratio conversion modes: Ignore (Anamorphic), Cropping or Padding (Letterbox or Pillarbox)
Video color format conversion
Auto or manual selection of input color format & quantization range
Auto or manual selection of capture color format, quantization range & saturation range
Support for RGB, YCbCr 601, YCbCr 709 color formats
Support for Limited or Full quantization range
Support for Limited, Full & ‘Extended gamut’ saturation range
Video frame rate conversion
Vertical flip and mirror
Multiple devices on one computer
Support for connecting multiple USB devices to one system
Support for setting the device serial number as the device name shown in the system using USB Capture Utility
SDK
The USB Capture SDK provide functions including signal status extraction, capture configuration and real-time audio &
video capture, etc.
Firmware Upgrade
Multiple devices in one system can be upgraded simultaneously
LED Indicator
Status LEDs indicate the working state of each channel:
Pulsing slowly: input signal unlocked
On: input signal locked
Double blinks: memory failed or FPGA configuration failed
Off: firmware corrupted
Form Factor
110.7mm (L) x 56.8mm (W) x 17mm (H)
Accessories
USB 3.0 cable
Power Consumption
5V max current: ~0.5 A
max power consumption: ~2.5 W
Working Environment
Operating temperature: 0 to 50 deg C
Storage temperature: -20 to 70 deg C
Relative Humidity: 5% to 90% non-condensing
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