The AL37204 and AL37219 controllers are Averlogic''s 4-ch and 9-ch control solutions for Multiplexers, DVRs and Video Server CCTV applications. Both controllers provide an additional input channel for playback and three separate output paths, providing 8-bit ITU-R BT.656 format data for maximum flexibility, meeting digital video recording and LCD TV/Monitor display requirements.

Features:

* Supports NTSC and PAL standards

* A single chip supports 4-ch(AL37204)/9-ch(AL37219) real-time surveillance

* Supports multi-windows display modes of 1,2,4,6,7,8,9 windows

* Supports PIP/POP display modes

* Supports motion detection /video loss / blind detection

* Programmable brightness, contrast and saturation adjustment

* Individual channel freeze

* Replay on individual channels

* Programmable bitmap type font for embedded OSD display

* Independent linear horizontal/vertical (H/V) scale down factors (1/2, 1/3, 1/4, 2/3, 3/4)

* Supports DDR 16/32-bit interfaces up to 8Gbit memory

* Motion detection resolution: 16X12 grids

* Supports channel-switching at front-end TV decoder

* VBI insertion and extraction

* Supports external VCR/DMR/DVR signal triggers

* Three embedded TV encoders with three DACs