User's Manual

Terms and definitions 191
Preliminary Layla850 P1B
MIDI
MIDI (Musical Instrument Digital Interface) is a protocol
designed for recording and playing back music on digital
synthesizers that is supported by many makes of personal
computer sound cards.
MIME
Multipurpose Internet Mail Extensions. A protocol defining
how messages are sent on the Internet. For example, MIME is
used to describe how attachments are encoded and what type of
data they contain.
MMS
Multimedia Messaging Service. Logical extension of SMS and
EMS. MMS defines a service enabling sound, images and video
to be combined into multimedia messages. It supports photo
quality pictures, and sounds in WAV, MIDI, AMR, or Melodies
format.
MP3
MPEG-1 Audio Layer-3 is a standard technology and format for
compression a sound sequence into a very small file (about one-
twelfth the size of the original file) while almost preserving the
original level of sound quality when it is played.
MPEG-4
The Moving Picture Experts Group, develops standards for
digital video and digital audio compression. It operates under
the auspices of the International Organization for
Standardization (ISO). MPEG-4 goes far beyond compression
methods. Instead of treating the data as continuous streams,
MPEG-4 deals with audio/video items that can be manipulated
independently, allowing for interaction with the coded data and
providing flexibility in editing. MPEG-4 supports a wide range
of audio and video modes and transmission speeds.
OS
Operating System, such as Symbian OS, Linux, Microsoft
Windows.
OTA
Over The Air. A technology for transmission and reception of
application related configuration information in a wireless
communications system.
PC
Personal Computer.
PCS
Personal Communications Services, often used to describe GSM
1900 networks.
PDA
Personal Digital Assistant. A handheld computer having
functions such as address book, calendar, and so on.