HiDownload is the excellent
realmedia stream recorder which record streaming media(realvideo
and realaudio), HiDownload split downloaded stream
files into sections, increase streaming video and
audio download speeds by up to 2-5 times, resume and
schedule realmedia stream downloads.
HiDownload support all realmedia
streaming media protocol: HTTP,RTSP,PNM.
HiDownload check automatically the
RealMedia streaming server and select the usable protocol
(HTTP/RTSP/PNM) to download streaming video(realvideo)
and audio(realaudio).
Prove the HiDownload as RM Videos Downloader
and RA Audio Downloader:
Articles:
What is RTSP Protocol
The Real Time Streaming Protocol (RTSP), developed
by the IETF and created in 1998 as RFC 2326, is
a protocol for use in streaming media systems which
allows a client to remotely control a streaming
media server, issuing VCR-like commands such as
"play" and "pause", and allowing
time-based access to files on a server.
The RTSP default port is 554.
What is PNM Protocol
An audio streaming format. According to RealAudio,
"the first version of RealAudio used a proprietary
protocol called PNA or PNM to send streaming audio
data."
What is HTTP Protocol
Hypertext Transfer Protocol (HTTP) is a communications
protocol used to transfer or convey information
on the World Wide Web. Its original purpose was
to provide a way to publish and retrieve HTML hypertext
pages. Development of HTTP was coordinated by the
W3C (World Wide Web Consortium) and the IETF (Internet
Engineering Task Force), culminating in the publication
of a series of RFCs, most notably RFC 2616 (1999),
which defines HTTP/1.1, the version of HTTP in common
use today.
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RealMedia Video and Audio
