Glossary - Digisol DG-SC5800PI User Manual

8-3 Glossary

MJPG : Motion JPEG or M-JPEG is a digital video sequence that is made up of a series
o f individual JPEG images. (JPEG stands for Joint Photographic Experts Group). The
quality of t he image is g
a series of separately compressed JPEG images that can be extracted individually. The
compression level can be a
MPEG4: is a video and audio com
models. The MPEG4 compression
optimizing bandwidth.
H .264: H.264 is the lates compression technology that significantly reduces the file size
of high-quality video images. Of
MPEG-4 at the same bit ra
PPPoE (Point-to-Point Pr
e ncapsulating Poin t-to-Po
TCP / IP (Transmission Contr
th e Internet Protocol (IP) to transmit data as packets between computers over the network.
T CP is a connection-oriented protocol, which means that a connection is established
b etween the two end-points and is maintained until the data has been successfully
e xchanged between the communicating applications.
D DNS (Dynamic DNS): Used to create a fixed domain name for dynamic internet IP
a ddress. A domain name is a meaningful and easy-to-remember name for an Internet
a ddress. Normally used when the ISP has provided you with dynamic internet IP address
to access the camera remotely.
S MTP (Simple Mail Transfer Protocol): SMTP is used for sending and receiving
e -mail. SMTP authentication is an extension of SMTP, whereby the client is required to
lo g into the mail server before or during the sending of email. It can be used to allow
uaranteed, regardless of movemen
djusted to control image quality and file size.
pression technology found in many IP network ca
standard aims to deliver superi
t
fers higher video resolution than Motion JPEG
te and bandwidth, or the same quality video at a lower bit rate.
otocol over Ethernet): Is a network protocol
int Protocol (PPP) frames inside Ethernet frames.
ol Protocol/ Internet Protocol): TCP is used along
134
DG-SC5800PI User Manual
t because th e captured video is
or image quality while
mera
or
for
with