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MPEG-4/2/1 A/V Encoder ICs
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Averlogic MPEG-4/2/1 A/V Encoder ICs

Averlogic AL9V576 MPEG-4/2/1 A/V Encoder

Functional Description

Averlogic AL9V576 is a real-time MPEG-4/2/1 video/audio encoder chip that fully complies with ISO/IEC-11172, ISO/IEC-13818, and ISO/IEC-14496. The video encoder accepts uncompressed ITU-R BT.656, ITU-R BT.601, 16-bit YCbCr, or 24bit YCbCr/RGB digital video. It filters the input and compresses the video into MPEG-4/2/1 formats. The audio encoder accepts two independent channels of digital audio, filters the input, and compresses each audio into MPEG-1 and MPEG-2 audio formats. AL9V576 multiplexes the video and audio streams as transport streams for network applications or program streams for storage applications.

PCI MPEG-4/2 A/V capture card
USB2.0 MPEG-4/2 A/V TV box
Surveillance PCI capture card (Multiple-channel)
IP network camera
Video server
Surveillance DVR
MPEG-4 viewer
Wireless TV
Network video phone, etc.
AL576 Brochure Click to view
Reference Kit:
  AL576 EVB


*High quality real-time MPEG-1, MPEG-2 MP@ML, and MPEG-4 ASP encoding.

*Variable frame rate up to 30fps for NTSC and 25fps for PAL

*Variable resolution from QCIF to full D1

*Internal vertical and horizontal scaling down filters

*Variable or constant bit rate (VBR/CBR) up to 20Mbps

*Adaptive rate control and adaptive quantization algorithms

*Automatic film/scene change detection

*Variable GOP structure: I, IP, IBP, IBBP

*Large motion estimation search window

*High quality video pre-processing: both temporal and spatial filtering

*Vertical/Horizontal luminance/chrominance filter

*Speckle noise reduction

*Recursive noise reduction

*H/V cropping

*MPEG-1 layer II audio encoding with psychoacoustic model

*Variable audio sampling rate 16K, 22.05K, 24K, 32K, 44.1K, 48K Hz

*Variable audio bit rate up to 384Kbps

*MPEG-1 System Stream format

*MPEG-2 Program Stream (PS) and Transport Stream (TS) format

*MPEG-4 elementary stream format

*Recordable VCD/DVD stream format

*ITU-R BT.656, ITU-R BT.601, 16-bit YCbCr, or 24bit YCbCr/RGB digital video

*Digital audio input

*8/16/32-bit host interfaces (for 8051, Intel-style, SRAM-like & PCI)

*1/8-bit encoded bit stream output

*12 GPIO / Interrupt Multi-function IO pin

*2-Wire Serial bus (master mode).






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