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Digital Video Recorder

Compression method

Compress/decompress in H264 algorithm and higher definition is ensured;

The audio is compressed in G.729 algorithm, which will bring better audio effect;

Synchronized A/V compression;

CBR and VBR compression;

Display

4-channel A/V input, BNC output;

25 F/S (PAL) or 30 F/S (NTSC) real-time compression in each channel without delay;

The contrast, brightness and saturation of field on live and playback image are adjustable;

Customize the name of every image;

Video recording

4-channel synchronized A/V recording;

High definition image (CIF); CBR/VBR settings;

Synchronized A/V recording; the parameters of video recording of each channel can be set separately; frame rate

is adjustable (0.1F/S – 25 F/S);

Manual, schedule, alarm and motion detection recording;

Five levels are available for image quality and bit rate may be customized;

Motion detection function

48 motion detection areas can be set in each image;

Level 1-7 sensitivity can be set in each image;

Storage

Support up to 2 SATA hard disks (The capacity can support to1.5T) ;

No limitation on capacity and rotation speed of hard disk;

Manual overwriting, automatic overwriting and no overwriting are optional;

Customize auto alarm of left capacity, i.e. alarm automatically when the left space of hard disk is less than the value

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Prosonic DVR Informations techniques Page 7