compression ratio NISSAN PULSAR 2014 Owners Manual


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the filesize byapproximately 10:1ratioSampling:
44.1 kHz,Bitrate: 128kbps) withvirtually no
perceptible lossinquality .MP3 compression
removes theredundant andirrelevant partsofa
sound signalthatthehuman eardoesn't hear.
. WMA ÐWindows MediaAudio(WMA)* isa
compressed audioformat created byMicrosoft as
an alternative toMP3. TheWMA codec offers
greater filecompression thantheMP3 codec,
enabling storageofmore digital audiotracks inthe
same amount ofspace whencompared toMP3s
at the same levelofquality .
. Bitrate ÐBit rate denotes thenumber ofbits per
second usedbyadigital musicfiles.Thesize and
quality ofacompressed digitalaudiofileis
determined bythe bitrate used when encoding
the file.
. Sampling frequency ÐSampling frequency isthe
rate atwhich thesamples ofasignal areconverted
from analog todigital (A/Dconversion) per
second.
. Multisession ÐMultisession isone ofthe methods
for writing datatomedia. Writing dataonce tothe
media iscalled asingle session, andwriting more
than once iscalled amultisession.
. ID3/WMA Tag ÐThe ID3/WMA tagisthe part of
the encoded MP3orWMA filethat contains
information aboutthedigital musicfilesuch as
song title,artist, album title,encoding bitrate,
track timeduration, etc.ID3taginformation is
displayed onthe Album/Artist/T racktitlelineon
the display .
* Windows