Option Board SDI I/O (O_DAP_SDI_a)

O_DAP_SDI_a

Standards

  • Video complies with SMPTE 424/425M (3G, Level A and B), SMPTE 292M (HD), or SMPTE 259M (SD)

  • Automatic format detection

  • Audio embedding and de-embedding complies with SMPTE 299M (3G, HD) or SMPTE 272M -AC (SD)

  • Metadata embedding and de-embedding complies with SMPTE 2020-2

Video Data Rate

  • 2970/296Mbps (3G), 1485/1483.5Mbps (HD), 270Mbps (SD

Video Formats

  • 1080p - 23.975, 24, 25, 29.97, 30, 50, 59.94, 60

  • 1080i - 50, 59.94, 60

  • 720p - 23.975, 24, 25, 29.97, 30, 50, 59.94, 60

  • 625i - 50

  • 525i - 59.94

Video Delay

  • User selectable 0 ... 15 frames, can be disabled

Audio

  • 24-bit, transparent forwarding of PCM and compressed audio

  • Sample rate = 48kHz (SDI compliant)

  • Channels = 16 inputs and 16 outputs (4 groups of 4 channels each)

  • Delay = Embedder audio delay selectable 0 ... 320ms per channel

Metadata (RDD6)

  • 1 channel input, 1 channel output, SDID selectable

BNC Input

  • Impedance = 75Ohm

  • Return loss = >15dB 5 ... 1485MHz; >10dB 1485 ... 2970MHz

  • Maximum cable length = 250m (SD), 230m (HD), 140m (3G) using Belden 1694A cable

  • Jitter tolerance = >0.7UI (alignment)

BNC Output

  • Impedance = 75Ohm

  • Output voltage = 0.8Vpp (typical)

  • Return loss = >15dB 5 ... 1485MHz; >10dB 1485 - 2970MHz

  • Output jitter = <0.2UI (alignment), <0.5UI (timing)

Latency

  • Video latency input to output = 120 ... 200 pixel, depending on video standard

  • Audio latency input to output, embedder and de-embedder combined = <0.6ms (HD, 3G), <2ms (SD)

General Features

  • Power fail relay bypass (may be enabled/disabled via GUI)

  • Lip-sync compensation for processed and non-processed audio signals via video delay

  • Dedicated routing for non-processed channels; all channels (maximum 16) can be routed to/from the device or looped through

  • Test pattern generator (no genlock)

  • Master-sync capable

  • ITU-R BT.1685 / ARIB STD-B39 metadata support