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Media streams are sent using
Real-time Transport Protocol (RTP). RTP
is similar to the more familiar HTTP and FTP
file transfer protocols, but it is tailored
for the special needs of real-time streaming.
Unlike HTTP and FTP (Fast
Start), RTP does not download an entire movie
to the client computer. Instead, it siphons out
a thin, one-way data stream at a constant data
rate that plays the broadcast in real time (after
a few initial moments of handshaking and data-buffering).
A streamed 27 minute movie similar to the ones
here, plays in exactly 27 minutes. As long as
the connection has enough bandwidth to handle
the data stream, the movie will play. After the
data is displayed, it’s discarded. Viewers
can see the broadcast again only by requesting
it from the streaming server.
The advantage of streaming content
to our users - they don't actually download the
file to their hard drive. These movies, for example,
average over 60 Mb each in size. Multiply that
by any number of training video's possible, you
got some serious hard drive consumption! |
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Native
American Perspectives on the Lewis & Clark
Expedition
"In the distance I hear
them paddle their boat up river. They speak
in a strange tongue. But I know them because
of prophecy foretold them coming. They come
in peace and bring gifts. Gifts offered as
generosity, couched in innocence. Only they
have come to take, not give. I watch from
the shore, helpless to stop them and they
leave me in their wake, little more than
a shadow of myself . . . "
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A Fatal Addiction
Two young MAPS: Media Arts in the Public
Schools filmmakers have made an 8 minute
documentary titled, “A FATAL ADDICTION”.
Produced by Darby High School and the X-TREME
Team program, this video depicts the human
consequences of smoking as seen through the
eyes of terminally ill, life long users of
tobacco. |
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Miles
of Smiles
DPHHS uses streaming media to deliver these
videos to the Fluoride Mouthrinse Coordinators
of the State of Montana through partnerships
with Medical Products Laboratories and the
Office of Public Instruction. |
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Boating Safety
Montana Fish, Wildlife & Parks offers
a boat safety education program that includes
a home-study course for motorboat and personal
watercraft operators. Persons 13 years
of age or older who successfully complete
the course will receive a motorboat operator's
certificate. To obtain a motorboat home-study
course packet contact your regional Fish,
Wildlife and Parks office or call the state
headquarters at 406-444-2535. Boating classes
are also offered by the U.S. Coast Guard
Auxiliary. Be sure you know the boating
rules. Watch this boating safety video. |
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Wildfire Rehabitation
Video used by the DNRC to help train agents
in the field. |
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require QuickTime for premium streaming quality
.
The Office of Public Instruction does not control or guarantee
the accuracy, relevance, timeliness, or completeness of this outside
information.