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Quickstart NeroNET 
Glossar  
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programs which can access animations and video and audio sequences. Usually 
special players with television screens are used to play CD-i media. 
DAE 
DAE is the acronym for Digital Audio Extraction. This means that the music tracks 
on audio CDs are read in digital format. This is also referred to as audio grabbing. 
Not all CD-ROM drives can read music in digital format. Generally, CD-ROM 
drives read music tracks in analog format (via the sound card). Using the Nero 
CDSpeed 
program, you can measure the DAE quality of CD drives. 
Fast copying 
This is a write process which does not involve storing the data to be written to the 
CD on the hard disk first. The data is written directly onto the blank CD. Another 
term used for fast copying is "on the fly". 
Disc-at-Once 
This is a write process which does not create links between the individual 
sessions. The recorder starts by writing the lead-in, which is followed by the data 
and the lead-out. This process is used primarily by manufacturers of audio CDs. 
Disc-at-Once/96 is an extension of Disc-at-Once which gives the software better 
control of the burning process. This mode is preferable, if it is available. 
DVD 
DVD stands for Digital Versatile Disc. It was originally referred to as Digital Video 
Disc. 
The purpose of developing DVDs was to create a medium which could hold 
significantly more data than a CD-ROM. You can store two layers of data on each 
side of a DVD. The first layer can hold 4.7 GB and the second layer 3.8 GB, 
which means that a single-sided DVD can store 8.5 GB of data. DVDs can only 
be read by DVD drives, which can also read CD-ROMs. Unfortunately many DVD 
drives are not able to read CD-Rs. Even fewer can read CD-RWs. 
Currently the following types of DVD are available: 
 
DVD-Audio: A high capacity audio medium. 
 
DVD-R: DVD-Rs can store between 3.95, 4.7 and 9.4 GB of data. In order to 
store 9.4 GB, you must use the second side of the DVD-R which means that 
you have to turn it over. 
 
DVD-RAM: This is a rewritable medium which can store either 2.6 GB (one 
layer) or 5.2 GB (two layers) of data. 
 
DVD-ROM: This is the data medium. 
 
DVD-RW: This is a rewritable DVD which can be read by almost any standard 
DVD-ROM drive or DVD player. DVD-RW drives can also read and write to 
DVDs which are not rewritable. DVD-RWs have a storage capacity of 4.7 GB. 
The difference between these and DVD-RAMs is that they can also be played 
in standard DVD-ROM drives and standalone DVD players.