LT 101 PCI (RGB, DVI, s-video) Media Acquisition & Compression

LT 101 PCI Media Acquisition & Compression

Digital/Analog Inputs (RGB, DVI, s-video)

Real-time HD/SD video acquisition and compression

  • HDTV 1080p, 1080i, 720p, 576p, 576i, 480p, 480i compatible
  • Both PCI and USB bus support
  • Simultaneous uncompressed video frame grabber
  • Synchronized audio capture
  • VC-1/WMV-HD video compression codec
  • Bitrates from 64Kbit/s to 80Mbit/s
  • Ultra low latency support (64 Video Lines)
  • Windows, Linux & Mac OS X support

The LT-101-PCI is an HD video capture board that can compress HDTV video in real-time without using the host computer’s CPU resources. The LT-101-PCI is simply placed in in an available PCI (32-bit universal) slot or can alternatively be connected via USB to a host system.

This board captures video from both analog and digital HD and standard resolution video sources or cameras via DVI, HDMI, RGB, VGA, component, s-video, or composite using connectors on the PCI bracket.

In addition to compressing captured video, the LT-101-PCI can also work from host internal video sources such as files or DirectShow devices. These devices might include USB or Firewire cameras. For SDI sources an optional HD/SD-SDI adaptor daughter card is available.

The LT-101-PCI is an encoder that compresses video in compliance with the VC-1/SMPTE-421M standard also referred to as WMV-HD or WMV9. This standard, originally developed by Microsoft, is natively supported by most popular software decoders and media players.

This board has the ability to acquire 1080p and 1920×1200 (WUXGA) at 60 fps (frames per second) as is capable of compressing full hd signals at up to 30 frames per second (fps). At 2048×2048 resolutions the LT-101-PCI can encode at 15fps.

If the frame rate/resolution combination is higher than the board can handle, a frame decimation unit can be enabled thus allowing the high frame/pixel rate source to be acquired and then compressed at a lower frame rate. The resulting compressed bitrates can vary between 64Kbit/s and 80Mbit/s depending on resolution, frame rate and quality desired.

As LT-101-PCI compresses video it can also simultaneously function as an uncompressed/raw video frame grabber for preview or host processing. If system or PCI bandwidth is insufficient for full frame rate transfers of uncompressed video, frames will be cleanly and automatically dropped. This essentially reduces the frame rate without broken images.

Along with video the LT-101-PCI also captures and compresses 2-channel audio thus providing a complete multimedia acquisition and compression solution.


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Diagram

The LT-101 has a very flexible front end and is capable of accepting a wide range of video and graphics signals and connections. It is equiped with a DVI connector accepting DVI-I/DVI-A and DVI-D Video signal, it is also equiped with a composite and a s-video video input accepting both an analog SDTV (NTSC, PAL) signal.

In addition to this inputs, there is an option board for the LT101-PCI witch will extend the video inputs with an HD/SD SDI input. To get full detail of the video inputs and supported resolution download the video and graphics format pdf file available on the documents section of this page


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Video Processing Diagram

The LT-101-PCI-VC1 is comprised of several functional elements. The diagram above shows the various elements and their interconnections. a full description of their operation can be found in the data sheet document below.


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Specifications and Features

Interface

Inputs

  • DVI-I/ DVI-A/ DVI-D
  • Composite
  • S-Video
  • HD-SDI/SD-SDI option
  • VGA, RGB, YUV RCA (Using DVI Adapters)

Outputs

  • PCI and USB bus support

Video Capture

  • Real-time HD/SD video acquisition and compression
  • H.264 or VC-1 HD video compression
  • Bitrates from 64Kbit/s to 80Mbit/s
  • Synchronized audio/video acquisition
  • HDTV 1080p, 1080i, 720p, 576p, 576i, 480p, 480i compatible
  • 4:4:4 8 bit Video Processing
  • Advanced video processing

Software

  • Windows XP/Vista Win7, Windows 8, Windows 10 32bit/64 bit driver
  • DirectShow support as well as simple SDK
  • Linux support
  • Mac OS X support

Input Interface
  • DVI-I/ DVI-A/ DVI-D
  • Composite
  • S-Video
  • HD-SDI/SD-SDI option
  • VGA, RGB, YUV RCA (Using DVI Adapters)
Host Interface
  • PCI and USB bus support
Composite / S-Video Video Formats
  • NTSC 720 x 480 @ 59.94, 29.97 fps
  • PAL 720 x 480 @ 50, 25 fps
DVI-D / DVI-A / SDI Video Formats
  • 1080p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 1080i @ 50, 59.94, 60 fps
  • 720p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 576p @ 25, 50 fps – 576i @50
  • 480p @ 29.97, 59.94 fps – 480i @59.94
  • *capable of acquiring non standard formats but this generally requires a manual adjustment
DVI-I, DVI-D* and DVI-A Graphic modes
  • 640×400 @ 85 HZ
  • 720×400 @ 85 HZ
  • 640×480 (VGA) @ 85, 75, 72 Hz
  • 848×480 (WVGA) @ 60 Hz
  • 800×600 (SVGA) @ 85, 75, 72, 60, 56 Hz
  • 1024×768 (XGA) @ 85, 75, 72, 60 Hz
  • 1280×768 (WXGA) @ 85, 75, 72, 60 Hz
  • 1360×768 @ 60 Hz
  • 1152×864 @ 75 Hz
  • 1440×900 @ 60, 75 Hz
  • 1280×960 @ 85 HZ
  • 1280×1024 (SXGA) @ 60, 75 Hz
  • 1400×1050 (SXGA+) @ 60 Hz
  • 1680×1050 (WSXGA+) @ 60 Hz
  • 1600×1200 (UXGA) @ 60 Hz
  • 1920×1200 (WUXGA) @ 60 Hz
  • *capable of acquiring non standard formats but this generally requires a manual adjustment
Video Capture
  • Real-time HD/SD video acquisition and compression
  • Simultaneous uncompressed video frame grabber
  • HDTV 1080p, 1080i, 720p, 576p, 576i, 480p, 480i compatible
  • Graphics capture up to WUXGA
  • Synchronized audio/video acquisition
  • 2 channel audio capture
  • 1 frame maximum latency (can be reduced to a few milliseconds under special circumstances)
  • Synchronization to external events
Video Processing prior to compression
  • Frame rate reduction feature available
  • Video downscaling
  • Denoise filter
  • Text overlay
  • Smoothing filter
  • Advanced hardware deinterlacing
  • 4:4:4 8 bit Video Processing
Video Processing prior to compression
  • H.264 or VC-1 HD video compression
  • I or IP encoding with variable GOP size
  • VBR (variable) and CBR (constant) bitrate control
  • 1024×512 motion vector search range covered
  • Bitrates from 64Kbit/s to 80Mbit/s
  • Bitrate reduction via monochrome mode when color is not needed
  • Extensive Motion statistics for all frames
  • MPEG-TS or ASF container format

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Documents






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Typical Applications

  • HDTV capture and storage
  • Digital video recorders
  • Machine vision video recorders
  • Inspection systems
  • Video Medical systems
  • Teleconferencing
  • Video surveillance systems
  • Endoscopy DVR
  • Video Over Lan
  • Internet broadcasting
  • Inspection systems