Appendix
A-2
Appendix
Specifications
Digital video system
Digital video signal system
Sampling frequency
Y: 74.25 MHz
R–Y/B–Y: 37.125 MHz
Quantization
8 bits/sample
Compression
Coefficient recording system
Channel coding
S-I-NRZI PR-IV
Error correction
Reed-Solomon code
Analog component output
Bandwidth
Y
0 to 5.75 MHz +0.5 dB/–2.0 dB
R–Y/ B–Y
0 to 2.75 MHz +0.5 dB/–2.0 dB
S/N ratio
56 dB or more
K factor (2T pulse)
1% or less
Digital audio system
Digital audio (CH1 to CH4) signal format
Sampling frequency
48 kHz (synchronized with video)
Quantization
20 bits/sample
Wow and flutter
Below measurable level
Headroom
20 dB (or 18 dB, selectable)
Emphasis
T1= 50 µs, T2=15 µs (on/off
selectable in recording mode)
Analog input/output (CH1 to CH4)
A/D, D/A quantization
20 bits/sample
Frequency response
20 Hz to 20 kHz +0.5 dB/ –1.0 dB
(0 dB at 1 kHz)
Dynamic range
95 dB or more (at 1 kHz, emphasis
on)
Distortion
0.05% or less (at 1 kHz, emphasis
on, reference level (+4 dBm))
Crosstalk
–80 dB or less (at 1 kHz, between
any two channels)
Analog audio (CUE)
Frequency response
100 Hz to 12 kHz ±3 dB
S/N
45 dB or more (at distortion level
of 3%)
Distortion
2% or less (THD, 1 kHz, reference
level)
Wow and flutter
0.2% rms or less