Glossary
AAC
AAC is short for Advanced Audio Coding and
refers to an audio compression technology
standard used with MPEG-2 and MPEG-4.
Aspect ratio
This is the width-to-height ratio of a TV screen.
A regular display has an aspect ratio of 4:3.
Wide screen displays have an aspect ratio of
16:9, providing a bigger picture for exceptional
presence and atmosphere.
Bit rate
This expresses data volume per second, or bps
units (bits per second). The higher the rate,
the more information is available to reproduce
the sound. Using the same encoding method
(such as MP3), the higher the rate, the better
the sound.
Current location
The present location of your vehicle; your cur-
rent location is shown on the map by a red tri-
angle mark.
Destination
A location you choose as the end point of your
journey.
Favorites
A frequently visited location (such as your
workplace or a relative’s home) that you can
register to allow easy routing.
GPS
Global Positioning System. A network of satel-
lites that provides navigation signals for a vari-
ety of purposes.
Guidance mode
The mode in which guidance is given as you
drive to your destination; the system automati-
cally switches to this mode as soon as a route
has been set.
Guidance point
These are important landmarks along your
route, generally intersections. The next gui-
dance point along your route is indicated on
the map by the yellow flag icon.
Home location
Your registered home location.
ID3 tag
This is a method of embedding track-related
information in a MP3 file. This embedded in-
formation can include the track title, the ar-
tist’s name, the album title, the music genre,
the year of production, comments and other
data. The contents can be freely edited using
software with ID3 Tag editing functions.
Although the tags are restricted by the num-
ber of characters, the information can be
viewed when the track is played back.
JPEG
This stands for Joint Photographic Experts
Group, and is an international still image com-
pression standard.
MP3
MP3 is short for MPEG Audio Layer 3. It is an
audio compression standard established by a
working group (MPEG) of the ISO (Interna-
tional Standards Organization). MP3 is able to
compress audio data to about 1/10th the size
of a conventional disc.
MPEG
This stands for Moving Pictures Experts
Group, and is an international video image
compression standard.
Phone book
An address book on user’s phone is collec-
tively referred to as “Phone book”. Depending
on the cellular phone, “Phone book” may be
called a name such as “Contacts”, “Business
card” or something else.
Appendix
En
126
Appendix