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8‐3 Glossary
MJPG: Motion JPEG or M-JPEG is a digital video sequence that is made up of a series of
individual JPEG images. (JPEG stands for Joint Photographic Experts Group). The quality of
the image is guaranteed, regardless of movement because the captured video is a series of
se
parately compressed JPEG images that can be extracted individually. The compression level
can be adj
usted to cont
M
PEG4: i
s a video and au
models. The MPEG4 com
optimizing bandwidth.
H.264:
H.264 is the latest com
high-quality video images. Of
the same bit rate and bandwi
PPPoE (Point-to-Point
e
ncapsulating
Point-to-P
TCP / IP (Transmission Control
t
he Internet Protoco
TCP is a connection-oriente
the two end-points and is m
the communicating application
D
DNS (Dynamic DNS):
a
ddress. A domain name is a meaningful and easy-to-remember name for an Internet address.
N
ormally used when the ISP has provided you with dynamic internet ip address to access the
c
amera remotely.
S
MTP (Simple Mail Transfer Protocol): SMTP is used for sending and receiving e-mail.
S
MTP authentication is an extension of SMTP, whereby the client is required to log into the
m
ail server before or during the sending of email. It can be used to allow legitimate users to
send email while denying the service to unauthorized users, such as spammers.
rol image quality and file size.
dio compression technology found in m
pression standard aims to deliver superior image quality while
pression technology that significantly
fers higher video resolution than Motion JPEG or MPEG-4 at
dth, or the same quality video at a lower bit rate.
Protocol over Ethernet): Is a network proto
oint Protocol (PPP) frames inside Ethernet frames.
Protocol/ Internet Protocol):
l (IP
) to transmit data as packets between computers over the network
d protocol, which means that a connection is established between
aintained until the data has been successfully exchanged between
s.
Used to create a fixed domain name for dynamic internet ip
DG-SC3800P User Manual
147
any IP network camera
reduces the file size of
col for
TCP is used along
with
.
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