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written down. Apart from the Red Book standard for audio CDs, there exists for
example a Yellow Book standard for CD-ROMs and a White Book standard for video
CDs in MPEG format. The term "Red Book" stands for "Compact Disc Digital Audio
Standard".
The Red Book standard includes the Sampling rate of 44,1 kHz and the 16-Bit-
resolution, which is supported by the commercial CD-Players and is also valid for the
audio CDs. Furthermore the audio CDs have to count 1-99 tracks, which can be
directly selected by the CD-players. The information concerning number and duration
of the tracks as well as the breaks are transmitted from the CD to the CD-player
through special sub-channels.
Data transfer
Writing a CD is especially demanding when transferring data from the hard disk to
the CD-writer. The data has to reach the CD-writer in a constant flow. If at any time
during writing the cache of the recorder runs out of data, the "Buffer Underrun"- error
message will appear. This will make the CD useless. For this reason, it is
recommendable to use modern SCSI- or IDE-hard drives. The average access time
should be 15ms or faster and the steady Data-transfer rate should not be less than
800 Kbytes per second. This is the case for all modern hard disk drives.
The Burning Function
The audio material on the audio CD is digital data, which the CD-player reads and
transforms into analogue signals. The track markers indicate the CD-player, at which
point the song starts. The MAGIX Audio Cleaning Lab 2013 can write an audio CD
right away from the program. The track-markers are set in the track window before
writing the CD. MAGIX Audio Cleaning Lab 2013 transforms the stereo sum and the
indices into a data flow, which is directed to the CD-writer.
The CD-R-drive modifies a specially designed layer on the medium using a laser, so
that the audio CD-player will be able to read this information later as digital audio
data.
Audio CD creation
1. For writing an audio CD, the track window must contain audio material. Edit
the audio material using the real time functions of the MAGIX Audio Cleaning
Lab 2013 deLuxe. The CD will sound exactly like the playback when you listen
to it through your stereo sound card. All Cleaning and Mastering effects will
also be present on the CD.
2. Mark the starting position of each song by setting (or moving) the track
markers. All track markers can be moved using the mouse or the Track Wizard
(1Click button)
3. Click on the "Make CD" button. In the "Make CD" dialogue you can choose, if
you want to write the CD directly or if you prefer to create an Image file on the
hard disk. The creation of an Image file is then recommendable, when the
available system resources are not enough for writing the CD in real time ("On
the Fly").