Key features – Grass Valley M-Series iVDR User Manual v.2.0.10 User Manual
Page 63

20 April 2005
M-Series User Manual
63
Key features
Multiple signal I/O formats – The following table describes the signal I/O formats
available in the iVDR. Refer to
“Electrical specifications” on page 301
for complete
specifications.
Selectable video compression formats – The following table describes the video
compression types available in the M-Series iVDR models.
Convenient monitoring – The front panel display includes on-screen video for
monitoring the selected channel. A front panel headphone jack and rear panel audio
monitor output are provided for audio monitoring. Both follow the front panel channel
selection.
Signal I/O format
Description
Video
Analog Composite
PAL/NTSC
SDI
SDI conforms to SMPTE 259M
Audio
Analog Audio
2ch/video; Balanced differential analog; sampled @ 48 KHz; 16-bit pcm
AES/EBU Digital
Audio
4 ch/video; Conforms to SMPTE 276M-1995
(Available in models M-222D/M-322D only.)
Embedded Audio
4ch/video; user selectable audio group (1-4); Data format conforms to
SMPTE 272M-1994
(Available in models M-222D/M-322D only.)
Timecode
LTC
1ch per record channel; 1 ch per play channel
VITC
Lines 10-22 (525 Line); Lines 6-23 (625 Line)
Reader: automatic detection or user selectable line numbers.
Internal Generator
Time of day or user selectable start timecode; drop-frame or
non-drop-frame.
IEEE 1394A Input
(Optional)
IEEE 1394A; Available as a Record channel input for importing and
recording media from a digital recording device that uses DV format.
Model
Compression Types
M-122A
DV25
M-222A
DV25
MPEG2 I frame only
a
, up to 25Mb/s, 4:2:2
a.
Selectable encode range includes active picture or active picture plus VBI.
M-222D
DV25
MPEG2 I frame only
, up to 25Mb/s, 4:2:2
M-322D
DV25
DV50
MPEG2 - I frame only
, up to 50Mb/s, 4:2:2
MPEG D10 (Play only) - 4:2:2, 30, 40, 50 Mb/s (Input media by import or stream.)