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- Main processor : AMD Au1500 (333MHz)
- OS : Linux 2.4.21pre4
- 4 channel multi-standard video compression / decompression
- MPEG-2 Main Profile@Main Level (ISO/IEC 13818-2)
- MPEG-4 Advanced Simple Profile@Level 5 (ISO/IEC 14496-2)
- Various Video resolution
- 720×480(576)@1~30(25) Hz
- 720×240(288)@1~60(50) Hz
- 360×240(288)@1~120(100) Hz
- User selectable video resolution for each channel encoding
- Real-time 4 channel decoding by single AT2041 chip
- 4 channel speech encoding & single channel decoding (PCM/ADPCM)
- Live speech
- Real-time digital watermarking
- Full triplex function of encoding, decoding & streaming
- Motion detection by proprietary AT2041 algorithm
- Automatic camera loss detection
- Alarm input/output :4 input / 4 output
- Pre-alarm recording
- Loop back for each input channel
- 1 composite output (BNC), spot-out (BNC), VGA output
- Ethernet
- Remote video monitoring & control
- Real time streaming & file transfer
- RS-422 (P/T/Z control) & RS-232C (debugging & monitoring) support
- Power Hard Disk interface : Ultra ATA 133 (4HDDs)
- PCI slot for future use
- System control : button, remote controller
- Buzzer sound, password protection, RTC, watch dog
- USB 2.0 HOST (up to 2 ports)
- NTSC / PAL selectable
- Display Features
- Mode : full, quad, freeze, 2 × zoom, PIP, page mode display
- OSD : logo, icon, date/time, etc.
- Record Features
- Mode : manual, schedule, event (sensor, motion), overwrite mode
- Quality : 4 levels (super high / high / medium / low)
- Playback Features
- Mode Display : full-D1, CIF, 2 × zoom, PIP
- Trick mode : playback, pause, fast, slow, step forward, rewind, step backward
- Fast forward speed : 4 levels
- Fast rewind speed : 4 levels
- Search : time, event (sensor, motion)
- System Utility
- Still image capture
- Password, time/date setting, network setting, flash ROM upgrade
- Disk utility : disk format, data backup
- Network utility : remote video Monitoring, file transfer, remote flash upgrade
- P/T/Z control
- Power supply : 115VAC /230VAC (50Hz/60Hz)
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Hardware
Stand-alone DVR reference board (6 layers)
Front-panel with buttons & remote control receiver
40 GB HDD with linux file system
Standard ATX power supply (12V, 5V, 3.3V)
Software
Source code for Linux OS including Kernel
Installable device driver
Application Software Source Codes
Documents & Resources
AT2041, AT4012E data sheet
Schematic, part list, gerber files of reference board
User's manual of reference board
Application software & hardware manual
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