User guide

Viz Engine Administrator’s Guide
Copyright © 2014 Vizrt Page 333
Composite video (aka CVBS or Composite Video Burst Signal) is the format of an analog
television (picture only) signal before it is combined with a sound signal and modulated
onto an RF carrier. It is a composite of the three source signals Y, U and V ( YUV ) with
sync pulses.
D10 Television
Type D-10 Stream Specifications: MPEG-2 4:2:2P @ ML for 525/60 and 625/50. SMPTE
D10 (356M) is a professional video compression format composed of MPEG-2 Video
4:2:2 Intra-frame (I-frame) only and 8 channel AES3 audio streams.
D12 Television
6.35-mm Type D-12 Component Format: Digital Recording at 100 Mb/s 1080/60i,
1080/50i, 720/60p. Also known as Digital Betacam.
DIF
DV-DIF (Digital Video Digital Interface Format) is an interface format for DV, the Digital
Video family of related video encodings (DV, DVCAM, and DVCPRO). DV Audio/Video
data can be stored as raw DV data stream file (data is written to a file as the data is
received over FireWire, file extensions are .dv and .dif) or the DV data can be packed
into AVI container files.
Digital Voodoo
Digital Voodoo is a broadcast capture and playback card used for uncompressed
Standard Definition 10-bit SDI solution on Macintosh computers.
DirectSound
DirectSound is a software component of the Microsoft DirectX library, that resides on
a computer with the Windows operating system. It provides a direct interface between
applications and the sound card drivers on Windows. It provides audio data to the
sound card, recording and mixing sound; adding effects to sound for example reverb,
echo, flange; using hardware controlled buffers for extra speed; positioning sounds in
3D space (3D audio spatialization), capturing sounds from a microphone or other input
and controlling capture effects during audio capture.
DV
Digital Video.
DV25
DV25 applies a 5:1 compression and a 4:1:1 color space and achieves a fixed data rate
of 25Mbps.
DV50
DV50 applies a 3.3:1 compression and a 4:2:2 color space and achieves a fixed data
rate of 50Mbps.
DVCAM
Sony’s DVCAM is a professional variant of the DV standard that uses the same
cassettes as DV and MiniDV, but transports the tape 33% faster.