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Model 314 MPEG-1/2/4 Frame Grabber

Photonics.com
Sep 2006
Sensoray Co. Inc.Request Info
 
PORTLAND, Ore., Sept. 6, 2006 -- Sensoray Co. Inc. announces the availability of the Model 314, an MPEG-1/2/4 & MJPEG frame grabber.

The Sensoray Model 314 frame grabber is Sensoray's latest video acquisition solution. Model 314 is a low-cost MPEG-1/2/4 and MJPEG frame grabber that captures full-frame (720 x 480) video at 30 fps. Uncompressed video is available through the PC/104+ bus for previewing. It has two synchronized audio input channels and on screen display of text (OSD). The 314 performs motion detection in three regions of interest, each programmable. Bitrates range from 800 kb/s to 10 Mb/s. Linux, QNX and Windows drivers are supplied and a Fast Windows stream player is available.

Sensoray.jpgMPEG and MJPEG data reduces the amount of memory required to store full motion video. The compressed data requires a smaller transmission bandwidth. MJPEG data is typically compressed by a factor 20 while MPEG-2 and -4 by a factor of 100. Image compression makes it possible to transmit 30 fps of MPEG video over the PC/104+ bus. The hardware compression circuit uses a motion estimation algorithm to produce smooth images from interlaced cameras.

The 314 can function as a conventional frame grabber by supplying real-time uncompressed video and snapshots of single frames. A lower cost version, 314NC, is available without the compression circuitry and the on screen display. A 96-character buffer is available for adding text to each frame. The text is within a transparent box that may be positioned anywhere within the frame. This function is not available on the 314NC.

The 314 performs motion detection in three user programmable regions of interest. For each separate region of interest, the user can set up different motion detection sensitivity. Within the regions of interest motion can be further localized to a 16 x 16 pixel block.

Digitized audio from the 314 is multiplexed into MPEG streams by a Sensoray-supplied software in SDK. Hence, the 314 does perform A/V multiplexing, as do model 516 and 616.

The 314 is supplied with SDK including drivers and demo applications, for Windows-XP, Linux 2.4 and 2.6, Windows Embedded XP, and QNX. The software synchronizes the audio channel with the MPEG video channel during recording and playback. The cost for a single 314 is $328.

For more information, visit: www.sensoray.com/html/314data.htm; e-mail: colleen@sensoray.com

Sensoray Co. Inc.
7313 SW Tech Center Dr.
Tigard, OR 97223
Phone: (503) 684-8005
Fax: (503) 684-8164



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GLOSSARY
camera
A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material or a detector. The camera generally contains a lens of variable aperture and a shutter of variable speed to precisely control the exposure. In an electronic imaging system, the camera does not use chemical means to store the image, but takes advantage of the sensitivity of various detectors to different bands of the electromagnetic spectrum. These sensors are transducers...
frame grabber
Image processing peripheral that converts video images from cameras into digital format and transfers these digital images to PCs.
video
Referring to the bandwidth and spectrum location of the signal produced by television or radar scanning.
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