Sensoray 2253 Manual do Utilizador descarregar pdf (Página 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

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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