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16-Channel Digital Recorder

The 16 channel digital recorder shall be a combination of multiplexer and digital video/audio recorder. The digital recorder shall

replace the current requirement for a multiplexer and a system VCR. Up to 16 channels of video and 1 channel of audio shall be

recorded to the internal hard drive in a variety of settings for recording rate, sensitivity and quality. There shall be 16 settings for

the system video recording rate in frames per second (fps), 5 settings for video quality and 3 settings for the record sensitivity.

The 16-channel digital recorder shall feature a programmable system-recording rate that can be set to 1 - 18, and maximum

(approximately 25) frames per second (fps) rates. The system-recording rate shall be divided among the total number of system

cameras to obtain an approximate per camera frame rate. See Table 3 for typical recording times for all digital recorder models. To

maximize the total recording-time, a Wavelet compression scheme shall be used to record and playback the video files. In addition,

the audio shall utilize a similar codec compression scheme to maximize recording time and limit the effective bandwidth to 6 KHz.

The audio shall be fed into a rear panel audio input jack and a speaker shall be connected to the audio output jack. The microphone

shall be any powered type. The speaker shall be any passive type with 8-ohm impedance. When enabled, the digital recorder shall

digitally record the audio in synchronization with the video data.

The 16-channel digital recorder shall be outfitted with a 3.5-in floppy, one or two hard drives or one hard drive and one CD-

R/W drive. The hard drive shall store the motion video with audio in a proprietary format along with alarm, time and titling infor-

mation for each camera. The digital recorder shall include a menu driven hard drive utility that allows all data to be erased. In addi-

tion, the hard drive shall be setup to stop recording or overwrite itself when the end of disk is reached. The system shall display mes-

sages to warn when the hard drive is either almost full or has failed. The hard drive data shall either be played back on the recorder

or copied to the optional CD-R/W or floppy drive. The video copied to a CD-R/W drive shall also be in a proprietary format, and

essentially a mirror image of the selected segment of the hard drive. The CD-R/W disk shall contain the video and audio in addi-

tion to the alarm, time and titling information. The CD-RW drive shall allow copies made to a CD-R or CD-R/W type disk. A

CD-R type disk shall be used for copy without formatting and is recommended. A CD-R/W disk shall require a one-time format

on the AurorAcorD and, once formatted, may be written to or quickly erased for reuse. The data placed on any CD disk shall only

be played back on the digital recorder. The motion video copied to the floppy drive shall be in a AVI format, filename CameraXX,

where XX = camera 1 - 16. Each file recorded to a floppy shall represent one video channel. This format shall be played back on a

PC Pentium-grade computer using the provided wavelet-codec driver installation program and Windows Media Player

™

The 16-channel digital recorder shall be capable of recording all 16 camera inputs, viewing live or playback while simultaneously

archiving data without affecting record performance. Electronic pan-tilt-zoom shall offer a 16× zoom ratio with low image block-

ing. The digital recorder shall accept alarm inputs from a variety of sources, including digital motion detection and hardwired inputs

(one per camera channel). Video loss and communication failure alarms shall be available on each camera in the system. Two seri-

al ports shall be provided that are configurable for RS-232, half duplex/simplex RS-422 and proprietary 2-wire RS-485 protocol.

These ports shall be used for the support of a host computer, uploading software upgrades, receiver communications, and propri-

etary RS-485 protocol compatible devices.

The 16-channel digital recorder shall feature full telemetry control (PTZ). Using the front panel keys, the digital recorder shall

remotely control up to 16 camera domes/PTZ drives.

Contractors’ Specification

Model No: Product Code:

Refer to Table 1 Refer to Table 1

SPEC: V091 REV: 402

Vicon Product Facts

SEC: 4

Notes: 1. “Max” frame rate changes from 18 fps to 24 fps depending on the synchronization of all cameras in the system.

2. The above settings are based on “Maximum” Sensitivity Settings and are worst case.

3. By changing the Sensitivity settings from “Maximum” to “Normal”, you may experience significantly longer recording durations in areas of little or no activity.

“Activity” is defined as any motion on the scene.

Examples of activity are: moving people or animals, moving vehicles, swaying trees, moving or swinging signs, CRT monitor scan.

Table 3: Estimated Number of Days Recording

24 Hours 72 Hours 168 Hours (7 Days) 336 Hours (14 Days) 744 Hours (31 Days)

Lowest Normal Highest Lowest Normal Highest Lowest Normal Highest Lowest Normal Highest Lowest Normal Highest

9 18 30 9 18 30 9 18 30 9 18 30 9 18 30

Max Max 16 18 9 5 8 4 2 4 2 1 2 — —

Max Max Max Max 18 11 15 8 4 8 4 2 3 1 1

120

Max Max Max Max Max 16 Max 12 7 11 5 3 5 3 1

160

Max Max Max Max Max Max Max 15 9 15 7 4 7 3 2

Hard Drive

File Size

(Kb/f)

Image

Quality

Recording

Time

1 2 3 4 5 6 7 8 9

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