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Date: 01-04-14

Camera SoC for intelligent home security sys

Smart-AVC H.264 low bit rate video streaming supporting SoC S2L from Ambarella is suggested for home security environments. ARM Cortex-A9 CPU inside this chip does intelligent video analytics such as intrusion detection, or audio analytics such as breaking glass detection. S2L dewarper can correct images captured from wide angle lenses to enable cameras that cover a wide viewing area.

“The S2L family brings advanced professional features to mainstream and consumer IP cameras, including Full HD video, High Dynamic Range (HDR) image processing, advanced analytics and wide angle viewing,” said Chris Day, VP of Marketing and Business Development at Ambarella. “Designed in an advanced 28nm process, S2L enables a new generation of intelligent, ultra-low power and small form factor IP cameras with outstanding video quality.”

The S2L family includes a series of software-compatible SoCs that range from 720p30 up to 1080p60 H.264 video and up to 5 MP resolution. Multi-exposure fusion HDR and Motion Compensated Temporal Filtering (MCTF) noise reduction supporting good quality pictures in low lighting conditions. The S2L includes a USB 2.0 host interface for direct connectivity to the latest WiFi chips for low cost, wide range wireless cameras. Power consumption for 1080p30 encoding is under 500mW including DRAM, enabling the development of small form factor or battery operated cameras.

S2L Feature Summary
1080p60 H.264 encoding with multi-stream support to enable independent resolutions, frame rate and quality (for example 1080p60 H.264 + 720p30 H.264 + 480p30 H.264 + MJPEG 1fps)
H.264-compliant Smart-AVC streaming for bitrates as low as 600kbps for 1080p30, and 300kbps for 720p30
Advanced dynamic range (WDR and HDR) engine with multi-exposure fusion
ARM Cortex-A9 CPU with NEON DSP extensions, Floating Point Unit (FPU), and 128KB L2 cache provides headroom for customer applications as well as intelligent analytics processing
Real-time hardware-accelerated de-warping engine
Image Sensor Pipeline with high speed SLVS/MIPI/LVCMOS interfaces, supporting up to 14 Megapixel (MP) sensor resolution and 480MPixel/s data rate
Rich set of interfaces includes 10/100Mbps Ethernet, USB 2.0 host and device, three SD card controllers with SDXC support
Small 11x11mm package available

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