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Appendix
A-4 Appendix
Analog Betacam playback (DVW-M2000P)
Video
Audio
a) Peak level: +8 dB above reference level
b) Reference level: +4 dBm
Audio
a) Reference level: +4 dBm
LNG
AFM
Frequency response (at 10 dB
below reference level
a)
)
S/N ratio (at 3% distortion level)
Distortion (THD at 1 kHz
reference level
a)
)
Wow and flutter
Frequency response (at
reference level
a)
)
S/N (at 3% distortion level)
Distortion (THD at 1 kHz
reference level
a)
)
Metal tape
50 Hz to 15 kHz +1.5 dB/ –2.0 dB
72 dB or more
1% or less
0.1% rms or less
20 Hz to 20 kHz + 0.5 dB/–2.0 dB
85 dB or more
0.5% or less
Oxide tape
50 Hz to 15 kHz +3.0 dB
50 dB or more (Dolby NR off)
2% or less
Bandwidth
S/N
K factor (2T pulse)
LF non-linearity
Y/C delay
Metal tape
25 Hz to 5.5 MHz +0.5 dB/ –4.0 dB
25 Hz to 2.0 MHz +0.5 dB/–3.0 dB
48 dB or more
48 dB or more
2% or less
3% or less
4% or less
20 ns or less
Oxide tape
25 Hz to 4.0 MHz +0.5 dB/–6.0 dB
25 Hz to 1.5 MHz +0.5 dB/–3.0 dB
46 dB or more
45 dB or more
3% or less
LNG
AFM
Frequency response (at 20 dB
below peak level
a)
)
S/N (at 3% distortion level) (CCIR
468-3 weighted)
Distortion (THD at 1 kHz
reference level
b)
)
Wow and flutter
Frequency response (at
reference level
a)
)
S/N (at 3% distortion level)
Distortion (THD at 1 kHz
reference level
b)
)
Metal tape
50 Hz to 15 kHz +1.5 dB/–2.0 dB
68 dB or more
1% or less
0.1% rms or less
20 Hz to 20 kHz +0.5 dB/–2.0 dB
More than 72 dB (CCIR 468-3 weighted)
Less than 0.5%
Oxide tape
50 Hz to 15 kHz ±3.0 dB
62 dB or more
2% or less
Y
R–Y/ B–Y
Y
R–Y/ B–Y
Y
R–Y/ B–Y