A capture card with two channels of HD DVI video and an extra composite video input all operating simultaneously and independently; with full analogue and digital audio support.
The VisionAV-HD has three independent video capture inputs – two supporting High Definition capture and a third supporting Standard Definition composite video. This capture card also adds multiple channels of audio capture, which can be synchronised in software using timestamping with all video capture channels.
Both DVI High Definition inputs support HDMI, DVI, RGB and analogue Component (YPbPr) input via a DVI-I connector, at resolutions up to 4096×4096 pixels and 1080p (1920×1080) at 60 frames per second.
The VisionAV-HD captures all three video channels simultaneously and triple buffers them into onboard storage for tear free video, alongside an audio stream that can be selected from one of the HDMI or one of the analogue audio ports. This data can then be processed and copied using DMA transfers to the host system for display, storage or streaming.
| Board Format | PCI Express x4 half size plug-in card, 110mm x 170mm |
| Connectors (main board) | 2 x DVI-I, 1 x RCA (female) |
| HDMI Capture | Supports HDMI 1.3 to 225 MHz (inlcuding deep colour modes) HCDP is supported when used with Datapath graphics cards HDMI audio can be selected as source for audio streaming Incorporates TMDS equaliser to support up to 20m cables |
| DVI Capture | Supports DVI 1.0 RGB 24 bit capture to 165 MHz Incorporates TMDS equaliser to support up to 20m cables |
| VGA/ YPbPr Capture | Triple ADCs sampling up to 170Msps. Full 4:4:4 sampling, 8bits per colour 5-wire, 4-wire or sync-on-green signal format |
| Composite Video Capture | CCIR601 sampling, PAL, NTSC, SECAM formats automatically detected |
| Audio Capture | Stereo Line-In/ Stereo balanced inputs with programmable gain (+/-12dB) 16 bit sampling at 44.1/ 48/ 96 kHz Analogue stereo line-out for direct passthrough of selected input at up to 64kHz sampling, sourced from analogue input or HDMI channel |
| Video Capture Memory | 256MB high bandwidth frame buffer supports triple buffering of HD and SD video Local storage of complex scatter-gather tables for DMA engine (eliminates read overhead) |
| Video Processing | Polyphase FIR scaling engine (7×5) for hardware downscaling and upscaling Colour space conversion allows captured data to be transferred in any format:) |
Video Capture Memory256MB high bandwidth frame buffer supports triple buffering of HD and SD video
Local storage of complex scatter-gather tables for DMA engine (eliminates read overhead)DMA EngineDirect DMA to physical or virtual memory buffers with full scatter-gather support
DMA bandwidth: up to 800 MB/s
16 independent DMA streams: Any mix of HD and SD sources, colour space, cropping and scaling parametersOperating System SupportUp to Windows ® 10 and Linux support (NOTE: Check Linux specific features with Sales)Power RequirementsMax current at 12V – 1A
Max current at 3.3V – 1A
Thermal dissipation – 15.5 WOperating Temperature0 to 35 °C/ 32 to 96 °FStorage Temperature-20 to 70 °C/ -4 to 158 °FRelative Humidity5% to 90% non-condensing
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