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

Page 63

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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

a.

, up to 25Mb/s, 4:2:2

M-322D

DV25
DV50
MPEG2 - I frame only

a.

, 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.)