Terms
Bitrate
Thisexpresses data volume per second, or bps
(bitsper second) units. The higher the rate,
themore information is available to reproduce
thesound. Using the same encoding method
(suchas MP3), the higher the rate, the better
thesound.
Bluetooth
Bluetoothis a short-range wireless radio con-
nectivitytechnology that is developed as a
cablereplacement for mobile phones, hand-
heldPCs and other devices. Bluetooth oper-
atesin 2.4 GHz frequency range and transmits
voiceand data at speeds up to 1 megabit per
second.Bluetooth was launched by a special
interestgroup (SIG) that comprises of Ericsson
Inc.,Intel Corp., Nokia Corp., Toshiba and IBM
in1998, and it is currently developed by nearly
2000 companies worldwide.
GAP
GAPis short for GenericAccess Profile.This is
abasic profile of Bluetooth wireless technol-
ogy.
HFP
HFPis short for HandsFree Profile. This profile
isused for hands-free phoning with the de-
vicesfeaturing Bluetooth wireless technology.
HSP
HSPis short for HeadSet Profile.This profile
isused for connecting headset and communi-
cationterminal via Bluetooth wireless technol-
ogy.
ID3tag
Thisis a method of embedding track-related
informationin an MP3 file. This embedded in-
formationcan include the track title, the ar-
tistsname, the album title, the music genre,
theyear of production, comments and other
data.The contents can be freely edited using
softwarewith ID3 Tag editing functions.
Althoughthe tags are restricted as to the num-
berof characters, the information can be
viewedwhen the track is played back.
ISO9660format
Thisis the international standard for the for-
matlogic of CD-ROM folders and files. For the
ISO9660format, there are regulations for the
followingtwo levels.
Level1:
Thefile name is in 8.3 format (the name con-
sistsof up to 8 characters, half-byte English
capitalletters and half-byte numerals and the
_sign,with a file-extension of three charac-
ters).
Level2:
Thefile name can have up to 31 characters (in-
cludingthe separation mark .and a file ex-
tension).Each folder contains less than 8
hierarchies.
Extendedformats
Joliet:
Filenames can have up to 64 characters.
Romeo:
Filenames can have up to 128 characters.
LinearPCM (LPCM)/Pulse code
modulation
Thisstands for linear pulse code modulation,
whichis the signal recording system used for
musicCDs and DVDs.
m3u
Playlistscreated using the WINAMPsof t-
warehave a playlist file extension (.m3u).
MP3
MP3is short for MPEG Audio Layer 3. It is an
audiocompression standard set by a working
group(MPEG) of the ISO (International Stan-
dardsOrganization). MP3 is able to compress
audiodata to about 1/10th the level of acon-
ventionaldisc.
Additional Information
En 73
English
Appendix