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Appendix
A-2 Appendix
Specifications
Digital Betacam playback: Still to
approx. ±50 times normal
playback speed
MPEG IMX/Betacam SX playback:
Still to approx. ±78 times normal
playback speed
Analog Betacam playback:
Still to ±35 times normal
playback speed (525/59.94)
Still to ±42 times normal
playback speed (625/50)
Variable speed mode
HDCAM playback: –1 to +2 times
normal playback speed
Digital Betacam playback: –1 to +3
times normal playback speed
MPEG IMX playback: –1 to +3
times normal playback speed
Betacam SX playback: –1 to +2
times normal playback speed
Analog Betacam playback: –1 to +3
times normal playback speed
Jog mode Still to ±1 times normal playback
speed
Servo lock time 0.6 (59.94i, 29.97PsF)/0.7 (50i,
25PsF, 24PsF, 23.98PsF) second
or less (from standby on)
Load/unload time 6 seconds or less
Recommended tapes
HDCAM cassettes (S, L):
BCT-6HD/12HD/22HD/32HD/
40HD
BCT-34HDL/64HDL/94HDL/
124HDL
MPEG IMX cassettes (S, L):
Digital Betacam cassettes (S, L)
(for playback only)
Betacam SX cassettes (S, L) (for
playback only)
Betacam SP cassettes (S, L) (for
playback only)
Betacam cassettes (S, L) (for
playback only)
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
Y0 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 ratio 45 dB or more (THD, 1 kHz,
reference level)
Distortion 2 % or less (THD, 1 kHz reference
level)
Wow and flutter 0.2 % rms or less