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Description The
Model 2251 USB frame grabber accepts an NTSC or PAL composite analog
video source and converts it into an MPEG stream along with the
optional synchronized audio. Frame capture in JPEG format is also
supported. A USB interface allows video capture at full resolution and
frame rate. Adjustable resolution and bitrate selections provide the
optimal balance between quality and storage requirements for a wide
range of applications. Motion Detection
Software and Manuals The
2251 was designed primarily for OEMs who integrate it with their
application software using the Software Development Kit (SDK)
available for download below. The SDK supports simultaneous
preview and recording, snapshot feature, OSD. A fully functional demo
application (with the source code) illustrates the use of the SDK. A
JPEG capture demo application illustrates the simple frame grabbing
function. The SDK includes three demo applications provided with the source code: App 2250 demo, a MFC application, that allows:
MotionJPEG Demo, a simple console application, records a given number of JPEG frames to the hard drive without display. | |
Specifications | |
Inputs: | Video: composite (BNC), 75 Ohm. Audio: line in stereo (3.5 mm jack). |
Input Video Formats: | NTSC (M), PAL (BDGHIMN) |
Output Video Formats: | MPEG1, MPEG2 (MP@ML), MPEG4 (SP@L3 + B-frame support) |
Output Resolution: |
320x240, 720x480 (NTSC, 30 frames/sec) 320x288, 720x576 (PAL, 25 frames/sec) |
Bitrates: | Constant and variable, up to 6Mbs |
ODS: | 96 characters, 16x16 pixel font |
Snapshot: | JPG and BMP formats, concurrent with preview/capture |
Host Communication: | USB 1.1 or 2.0 |