Product overview and key features – Grass Valley Turbo iDDR v.2.3 User Manual
Page 21

Turbo iDDR User Guide
21
Product overview and key features
Multiple signal I/O formats – The following table describes the signal I/O formats
available in the iDDR. Refer to
“Electrical specifications” on page 289
for complete
specifications.
Selectable video compression data rates– The Turbo iDDR records video using
MPEG-2 Long GOP compression with selectable video data rate. This allows you to
choose the highest picture quality possible to obtain the storage capacity needed. The
following table shows the storage capacity estimates based on the video compression
data rate selected in the Turbo iDDR.
NOTE: Storage capacity will increase as larger disk sizes become available.
Signal I/O format
Description
Connector
Video
Analog Composite
PAL/NTSC
BNC
S-Video
PAL/NTSC
BNC
Analog Component
RGB (output only)
YUV
Input: BNC
Output: DVI-I
SDI
SDI conforms to SMPTE 259M
BNC
DVI Digital
a
(Output ONLY)
a.
DVI used for output only. The connector carries both digital and component analog signals.
Used for direct digital connections to digital
displays.
DVI-I
Audio
Analog Audio
2ch/video; Balanced differential analog; sampled @
48 KHz; 16-bit pcm
XLR
Digital (S/PDIF)
EBU Standard IEC958 “Digital audio interface”;
PCM or AC-3
BNC
Timecode
LTC
1ch per record channel; 1 ch per play channel
BNC
Internal Generator
Time of day or user selectable start timecode;
drop-frame or non-drop-frame.
NA
IEEE 1394A
IEEE 1394A Input
IEEE 1394A; Available as a Record channel input
for importing and recording media from a digital
recording device that uses DV or HDV format.
1394
Connector
Selected
Data Rate
Approximate Storage Capacity
15Mbs
17 hours
12Mbs
21 hours
8 Mbs
30 hours
4Mbs
40 hours