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Glossary
Nero Linux 68
occur during the write process or if no recorder is connected to your PC. The image requires
as much free space on the hard drive as the contents of the original disc take up.
Jitter
Jitter refers to an abrupt and undesired change in the signal characteristics. Small gaps oc-
cur in the data stream as a result. Audio correction synchronizes the data by overlapping the
sectors. This way, the gaps are not audible.
Joliet
Joliet refers to an extension of the ISO-9660 standard for file names. Joliet was designed by
Microsoft in order to represent more characters. The file name can be up to 64 characters
long and contain the letters A-Z, a-z, umlauts, and the ß.
MP3
The MPEG-1 Audio Layer 3 audio format is used to reduce the size of audio files to a frac-
tion of their original size (factor 1:10) with little loss of quality. You can estimate about 1 MB
per minute as opposed to 10 MB for the original files. This value and the quality can vary de-
pending on the complexity of the audio signal. The bit rate used can be used as a measure
of quality. The higher the bit rate, the better the quality, but also the more memory required.
Multisession
A multisession refers to completing a disc in multiple cycles. After a first session has been
written to the disc, information can then be added in another record because the disc has not
been finalized.
Subchannel data
Subchannel data on a disc contains additional information, such as CD Text or information
on positions.
WAV
The WAV audio format, also called WAVE or Waveform audio format, is an audio format
from Microsoft and uses no data compression. WAV is the counterpart to the AIF format from
Apple.