The IQDNC30 provides multi-rate down conversion for 3Gbps SDI, and HD-SDI digital video signals. Using high quality motion adaptive de-interlacing and flexible scaling technology the IQDNC30 is a broadcast quality conversion module able to handle applications such as downconversion to maintain SD output feeds.
IQDNC30 includes a frame synchronizer, capable of referencing to a SD bi-level or HD tri-level reference and a variable aspect ratio converter with frame accurate reading and writing of WSS, VI and 2016 AFD signalling. Audio handling includes audio channel routing, delay adjustment and level controls. Video metadata such as timecode, closed captions and teletext captions can also be passed through the module or processed according to the required output standard.
To allow the module to be further tailored to system requirements software options are available to provide noise reduction and side-bar keying, and versions are available with SFP cages enabling fiber conversion, or additional electrical outputs on HDBNCs.
High quality down conversion for SDI video inputs including conversion aperture control
Frame synchronizer with HD Tri-sync / SD Bi-Level Reference Input and input loss detection
Aspect ratio conversion including preset ARC maps relative to conversion modes, selectable pan, tilt, aspect, size, and output crop adjustments
Aspect ratio control (signalling reading and writing) using ETSI WSS and AFD Video Index signaling (RP186, SMPTE 2016)
Video proc. features include: gain, offset, hue, horizontal and vertical picture enhancement, and RGB gamut legalization
Metadata support - Closed caption passing or processing for CEA608/708 and OP42/OP47/WST captions, VITC or SMPTE12M timecode translation, and Ancillary data bridge for 7 blocks of ANC data passing
In-built test pattern generator and 19 character scrolling caption generator
Additional processing options including; noise reduction (adaptive spatial and recursive), side-bar keying and linear frame rate conversion
Processing for 16 channels of embedded audio present on the incoming SDI stream with no disturbance during video synchronizer frame wraps or drops
Audio proc. features including: channel routing, gain, invert, delay and tone generator
Non-PCM processing features pair level routing and delay compensation. Dolby-E data is passed with a delay to match the video and with co-timed audio frame drop or repeat
Dolby E support – Detection of PCM/non-PCM audio to SMPTE 337/338M, pair routing and Dolby E header re-alignment
Integrated Fiber I/O support via SFP module
16 x user memories and 2 GPI/O ports
RollCall control and monitoring compatible with standard logging and reporting features
RollTrack triggers available for detected module states including: Input loss and reference loss
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