DigiDeck digital video recorder
Manual, Fast Forward Video, Inc. Revised 1/20/04
18
T
T
E
E
C
C
H
H
N
N
I
I
C
C
A
A
L
L
S
S
P
P
E
E
C
C
I
I
F
F
I
I
C
C
A
A
T
T
I
I
O
O
N
N
S
S
VIDEO INPUT
Analog Input: Composite and Y/C
Levels: 1.0Vp-p, 75 ohms
Standards: 525/60 (NTSC) or 625/50 (PAL)
VIDEO OUTPUT
Analog Output: Composite and S-Video (Y/C).
Option 1 - Composite/ Y/C
Option 2 – Composite/component
Horizontal Resolution: 550 TV lines (at 5:1 compression)
Levels: 1.0Vp-p, 75 ohms
Standards: 525/60 (NTSC) or 625/50 (PAL)
Connections: multi-pin for component
VIDEO INPUT DECODER
Format: Digital 4:2:2 YCrCb
60 fields per second NTSC
50 fields per second PAL
Digital Color Space: YUV
Sampling: 13.5 MHz
Pixel Resolution: 720 x 486 pixels (525/60)
720 x 576 pixels (625/50)
S/N Ratio: 50 dB
Bandwidth: 7 MHz (-3 dB)
Differential Gain: 2%
Differential Phase: 2 deg.
ADC Differential Linearity: +/- 0.7 LSB
ADC Integral Linearity: +/- 1.0 LSB
VIDEO OUTPUT ENCODER
Digital Color Space: Digital 4:2:2 YCrCb
Analog Bandwidth: Y: 6.75 MHz
C: 1.3 MHz
Composite: 4.5 MHz (NTSC)
5.0 (PAL)
DAC Resolution: 10 bits x 3
S/N Ratio: 60 dB
VIDEO COMPRESSION
Method: JPEG (Joint Photographic
Experts Group)
Compression Ratio: Variable down to 4:1
MEMORY
Multi-port Frame Buffer: 8 MB DRAM
Aggregate Bandwidth: Greater than 45 MB/second
MICROPROCESSOR
Type: Intel 80386EX
Clock Speed: 40 MHz
Local ROM/EPROM: 1MB Flash EEPROM
Local SRAM: 1 MB 0 wait state
COMMUNICATIONS INTERFACE
RS-422 Machine Control: Sony/SMPTE Protocol
AUDIO SPECIFICATIONS
Resolution: 16 bits
Channels: 2 in, 2 out
Dynamic Range: 80 dB
Total Harmonic Distortion: .022%, -73 dB
Intermodulation Distortion: -90 dB
Crosstalk: -80 dB
Interchannel Gain Mismatch: +/- 0.5 dB
Input Voltage: 1 VRMS nominal, 3V p-p
max
Input Impedance: 20k ohms
Input Programmable Gain Span: 22.5 dB
Full Scale Output Voltage: 0.707 VRMS, 2.0V p-p
Output Impedance: 600 ohms
Output Attenuation Range: 94.5 dB
Sampling Rate, FS: 8.0 KHz to 52 KHz
Passband: .045 FS
Passband Ripple: +/- 0.1 dB
SOFTWARE
Optional: Machine Control Interface
(Win 98/Me/2000/XP/NT™)
GENERAL
Size: 17” W x 3.5” H x 8.5”
Warranty: 1 year
ATA/IDE DISK CONTROLLER
Protocol: ATA/IDE
Maximum Data Rate: 16.6 MB/Sec
Maximum Hard Drives per channel: 1
Supported Hard Drives: IBM Travelstar (Now Hitachi)
Fujitsu MHS/MHT series