Sensoray 2253 - Manual (Page 16)

Specifications
Video
Analog input 1 NTSC/PAL composite, 75 Ohm
Analog output 1 NTSC/PAL composite, 75 Ohm
Capture frame rate Up to full frame rate (30 fps NTSC, 25 fps PAL); optional decimation by 5, 3, or
2.
Capture resolution Up to 704x480 (NTSC), 704x576 (PAL).
Capture formats Color YUV 422 (UYUV); monochrome 1 byte/pixel (Y800).
Preview format 640x480@ 30 fps (NTSC); 720x576@25 fps (PAL); YUV4:2:2, GREY8, JPEG, RGB
Preview latency See Figure 4
Image transformation 2 independent image transformers: resize to various resolutions; rotate
90°/180°/270°; mirror horizontally or vertically
Audio
Analog inputs 1 line stereo + 1 microphone mono, software selectable (only one may be
active)
Analog output 1 line stereo
Overlay
Text Overlay Up to 160 characters for full resolution images
Video Output Overlay Up to 256 regions of BMP and PNG (with 24 or 32 bits/pixel), or unicode text.
16-bit color, 3-bit alpha channel
Video Capture Overlay Up to 8 monochrome regions of BMP and PNG (with 24 or 32 bits/pixel), or
unicode text
Streams
Video encoding H.264 HP @ L3; MPEG-4 ASP; JPEG
Audio encoding G.711 (A-law, µ-law): 8 bit samples @ 8 kHz, 64/128 (mono/stereo) kbps
stream
AAC-LC: 48 kHz sample rate, 32-512 kbps stream
Output stream formats Elementary audio/video with timestamps
MPEG-4 program stream (.MP4)
MJPEG snapshots or AVI video
Transport Stream
Digital I/Os (2253/2253TA)
Digital inputs 1 galvanically coupled, 1 opto-isolated (only one may be used)
Digital outputs 1 opto-isolated
Multifunction Interface (2253P)
Channels 2
Operating modes 32-bit incremental encoder interface, 10 MHz maximum count rate;
Dual digital inputs with edge detection
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