FORMAT
BETACAM
BETACAM SP
DIGITAL
Betacam
BETACAM
SX
DVCAM
Signal
System
analogue
Y, R-B, B-Y
component
analogue
Y, R-B, B-Y
component
digital
10-bit 4:2:2
component
digital
8-bit 4:2:2
component
digital
8-bit 4:2:0
component
Scan
helical
helical
helical
helical
helical
Number of heads
4-record
10 total
4-record
12 inc PCM
14
Up to 16 SX
heads (2 record)
& 4 SP heads
14 (4 playback,
4 record,
4 consumer,
4 flying erase)
Tape-to-head
speed
5.7 m/s
5.7 m/s
8.63 m/s
n/a
n/a
Tape Type
cobalt
modified oxide
metal particle
metal particle
metal particle
metal evaporated
Taoe Width
12.65 mm
1/2 inch
12.65 mm
1/2 inch
12.65 mm
1/2 inch
12.65 mm
1/2 inch
6.35 mm
1/4 inch
Tape Coercivity
650 Oe
1500 Oe
1570 Oe
1450 Oe
n/a
Tape Consumption
101.51 mm/s
linear
101.51 mm/s
linear
96.7 mm/s
59.575 mm/s
28.215 mm/s
Recording Time
to 110 min
to 110 min
to 124 min
to 180 min
to 184 min
Input Data Rate/
Sync Tip
Frequency
4.4 MHz, video
5.78 MHz chroma
6.8 MHz, video
7.3 MHz chroma
93 Mbit/s video
n/a
25 Mbit/s video
Packing Density/
Peak White
6.4 Mhz
8.8 Mhz
n/a
n/a
n/a
Compression
not compressed
not compressed
2.3:1
Interframe 10:
1MPEG-2
Interframe
DCT5:1(I-MPEG)
Shortest
Wavelength
0.9 um
0.65 um
0.587 um
0.744 um
0.488 um
Applications
ENG
ENG, EFP,
on-line editing,
aquisition for D1,
transmission etc.
ENG, EFP general
broadcast work,
transmission,
on-line editing etc.
ENG, EFP,
on-line editing,
aquisition for D1,
transmission etc.
ENG, EFP,
on-line editing,
aquisition for D1,
transmission etc.

 

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