decompression, processing, and coded representation of moving pictures,
audio and their combination.”
MPEG-4
MPEG4 is an ISO/IEC standard set by MPEG working group. MPEG-4
provides full compatibility in digital television, Interactive graphics
applications (synthetic content), and Interactive multimedia (World Wide
Web, distribution of and access to content).
Multicast (or Multicasting)
This term refers to the network technology that allows the simultaneous
delivery of packet between a single IP address (the host) and multiple
destinations with a single, local transmit operation.
Multiplexer
A device combines several input signals and one output signal into a signal
for transmission.
MAC
（
MAC address
）
Also referred to MAC address, Media Access Control is a part of the network
interface card (NIC) and used for identification. If MAC address is assigned
by the manufacturer, the address will encode the registered identification
numbers.
Manual iris
The opposite of an auto iris, the camera iris must be manually adjusted to
determine the movement of the device. Basically the iris opens or closes the
lens iris as the light turns dimmer or brighter.
Mbit/s
A megabit per second.
Megapixel
A pixel is one of the many tiny, tile-like picture elements (dots) that make up
a digital image. Megapixel is equal to one million pixels.
