Photo fun, full HD video, internet sharing can fit in pocket-sized form factor.

SANTA CLARA, CALIF. — January 05, 2009 — Ambarella, Inc., the leader in low-power, high- definition video compression and image processing semiconductors, has announced the availability of the A5 system-on-a-chip (SoC) platform for hybrid cameras. The A5 platform enables key hybrid camera functions such as 10 mega-pixel (MP) still images, full high-definition (HD) recording, and simultaneous dual-resolution recording for fast internet sharing. Tucked into a small low-power package, the A5 SoC platform lets consumers take high-quality photos and video in affordably priced pocket-sized cameras.

The A5 family consists of three products: A530, A550 and A570. Each is available with a full reference design. The A530 integrated circuit can capture 10 MP still pictures while generating and compressing high-definition video in both 720p60 and 1080p30 formats. The A550 in addition supports the standard HD broadcast format 1080i60. The A570 captures as many as 5.3 MP at 60 frames per second. This allows full HD video recording while concurrently storing 5.3 MP still images (16:9 aspect ratio) without interrupting the video recording.

Advanced Features
The A5 family includes many advanced features of contemporary cameras -- such as face detection -- to help auto focus and local exposure contrast. One novel feature is the dual recording capability: Both HD and mobile video are recorded at the same time. Most photographers want to record video in the highest possible HD quality, share the video on the internet, and play it on their mobile.

“By incorporating simultaneous capture of high-resolution stills, HD video and mobile video, the Ambarella A5 will enable a true mass market hybrid camera: one that combines the best of still photography, HD video recording, and internet video sharing,” said Fermi Wang, Ambarella CEO.

High-Speed Video Capture Technology
The A550 and A570 support sensors with a high-speed serial interface. The A570 captures data as fast as 320 MP per second; this is a number in excess of 60 frames per second at 5.3 MP. As is common in digital still cameras (DSC) and in most HD camcorders, a single color filter array sensor (Bayer) generates red, green and blue primaries (RGB). The A570 converts data from Bayer pattern to RGB (de-mosaic-ing) with a virtually artifact free and full-resolution video signal. This is more accurate in terms of clean edges, no Bayer artifacts, etc. than the simple binning (combination of adjacent pixels) commonly used in many cameras. It also yields a higher resolution output than the extrapolative techniques used with three sensors (3 CCD).

Noise Reduction for Still Images and Video
Imaging sensors generate a substantial amount of noise in low light, making it necessary to filter this noise to produce high-quality images. For still cameras, the A5 family implements advanced algorithms to enable clean, high-quality pictures at 3200 ISO. In video the challenge is to reduce the noise without causing a loss of resolution or a loss of detail, and advanced spatio-temporal (3D) filters must be used. Most of the solutions available are motion adaptive and switch from a predominantly temporal to a predominantly spatial filter based on detecting the presence of motion. The Ambarella A5 SoC uses motion compensation instead of being just motion adaptive and truly tracks the motion of the objects in the scene, thereby eliminating typical noise reduction induced motion artifacts.

A Breakthrough in Price and Functionality
The A5 platform represents a breakthrough in price and functionality for high-quality still and full HD video performance at a mass-market price. Ambarella expects that consumer hybrid cameras based on the A5 platform can be priced under the critical US $199 price threshold in 2009.

Pricing and Availability
The A5 platform is available now in sampling quantities. Manufacturers can choose multiple configurations to accommodate their specific requirements. Evaluation kits are also available now. Pricing information can be obtained directly from Ambarella at or by calling 1-408-734-8888.

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About Ambarella

Ambarella is the technology leader in low-power, high-definition video compression and image processing semiconductors. Ambarella products are helping to define a new class of hybrid digital cameras that bring consumers unmatched high definition video and digital still images together in one device. Many cameras and camcorders have been shipping using Ambarella A2 SoC. For more information on the Ambarella product line, please visit


Didier Legall
Tel.: 1 408 734 8888
E-mail: Email Contact

Barbara Kalkis
Maestro Marketing & PR
Tel.: 1 408 996 9975
E-mail: Email Contact

Ambarella, Inc.
2975 San Ysidro Way
Santa Clara, CA 95051
Tel.: 1 408 734 8888
Fax.: 1 408 734 0788

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