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, 16 dB, 12 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
20bits/sample
Frequency response
20Hz to 20 kHz +0.5 dB/ −1.0 dB
| (Standardize at 1 kHz) |
Dynamic range | 90 dB or more (at 1 kHz, emphasis on) |
Distortion | 0.08% 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 10 kHz, ±3 dB |
S/N ratio | 45 dB or more (at 3% distortion level) |
Distortion | 2% or less (THD, 1 kHz, reference level) |
Wow and flutter 0.3% rms or less | |
Betacam SX playback
Analog composite output
Bandwidth | 0.5 to 5.75 MHz +0.5 dB/−2.0 dB |
S/N ratio | 53 dB or more |
K factor (2T pulse) | |
| 1% or less |
Differential gain |
|
| 2% or less |
Differential phase | |
| 2° or less |
Y/C delay | 20 ns or less |
Digital Audio (CH1 to CH4)
Frequency response
| 20 Hz to 20 kHz +0.5 dB/ −1.0 dB |
| (Standardize at 1 kHz) |
Dynamic range |
|
HDCAM | 90 dB or more (at 1 kHz, emphasis on) |
SX | 88 dB or more (at 1 kHz, emphasis on) |
Distortion | 0.08% or less (at 1 kHz, emphasis on, |
| reference level (+4 dBm)) |
Analog Betacam playback
Video (525)
|
| Metal tape | Oxide tape | |
|
|
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| |
Band- | Y | 30 Hz to | 30 Hz to | |
width |
| 4.5 MHz | 4.1 MHz | |
|
| +0.5 dB/−4.0 dB | +0.5 dB/−6.0 dB | |
|
|
|
| |
| 30 Hz to | 30 Hz to | ||
|
| 1.5 MHz | 1.5 MHz | |
|
| +0.5 dB/−3.0 dB | +0.5 dB/−3.0 dB | |
|
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| |
S/N | Y | 51 dB or more | 48 dB or more | |
ratio |
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| |
48 dB or more | 45 dB or more | |||
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K factor (2T pulse) | 2% or less | 3% or less | ||
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| |
LF non- | Y | 3% or less |
| |
linearity |
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4% or less |
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Y/C delay | 20 ns or less |
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Video (625) |
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|
| Metal tape | Oxide tape | |
|
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| |
Band- | Y | 20 Hz to | 25 Hz to | |
width |
| 4.5 MHz | 4.1 MHz | |
|
| +0.5 dB/−4.0 dB | +0.5 dB/−6.0 dB | |
|
|
|
| |
| 25 Hz to | 25 Hz to | ||
|
| 1.5 MHz | 1.5 MHz | |
|
| +0.5 dB/−3.0 dB | +0.5 dB/−3.0 dB | |
|
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| |
S/N | Y | 48 dB or more | 46 dB or more | |
ratio |
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48 dB or more | 45 dB or more | |||
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K factor (2T pulse) | 2.5% or less | 4% or less | ||
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LF non- | Y | 3% or less |
| |
linearity |
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4% or less |
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Y/C delay | 20 ns or less |
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Appendixes
Specifications 87