X75HD/X75SD Installation and Operation Manual 65
Chapter 3: Module and Back Panel Descriptions
X75OPT-STR Module and Back Panel
General Description
X75HD/X75SD units provide the following two types of streaming:
• A small “thumbnail” 128 x 96 pixel feed, which is available from
the Ctrl/Strm port on all X75 frames (see page 138 for details)
• An optional, higher-quality 352 x 240 pixel (525) or 352 x 288
pixel (625) feed provided at the Streaming Ethernet port, which is
generated by the X75OPT-STR module
The optional higher-quality (1/4 VGA) streaming uses MPEG4 codec
video compression. The image can be displayed at up to 30 frames per
second (25 fps for PAL) with a bit rate of 200 Kbps, adjustable up to
1Mbps (the frame rate drops each time you lower the bit rate). The
streaming is viewable on Quicktime
TM
version 7.0 or above, and
requires v. 1.7 or later X75 firmware. The X75OPT-STR module
provides both audio and video streaming, delayed approximately four
seconds. Although the thumbnail and the higher-quality streaming feeds
are provided by different modules, they both show the same output
image.
The following “broadcast” standards are among those that are not
supported as a streaming output from the X75OPT-STR module:
•AVC
•AVI
•JVT
• MPEG4 Part 10 (H.264)
• SMPTE VC-1 (WM9 or Windows Media 9)
To select the video source for the X75OPT-STR module, follow this
path:
Video Setup>Routing>Video M-Path>StrV Out Sel
To select the audio streaming sources, follow this path:
Audio Setup>Routing>Output>Stream Out A (left channel) and/or
Stream Out B (right audio channel)
Note
The streaming module requires
its own network address. See
the installation section
beginning on page 279 for more
information.
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