Apple Using WaveBurner Pro 1.0 (with Logic Pro) - Manual (Page 24)

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Setting Track Pre-Emphasis
The use of pre-emphasis dates from the early days of digital sound reproduction, when
14-bit A/D converters without oversampling were frequently used. The high frequencies
of digital recordings were boosted or “emphasized” during conversion (similar to the
RIAA EQ process for vinyl records), then were attenuated (de-emphasis) after D/A
conversion. This process tended to mask the inaccuracies of the conversion.
With today’s advanced digital recording technology, it is recommended that you leave
pre-emphasis turned off, because modern converters are capable of delivering linear
conversion that produces substantially fewer errors than de-emphasis filters.
WaveBurner Pro supports pre-emphasis only so that old digital recordings that were
processed using pre-emphasis can be marked as such. Pre-emphasis is a display-only
option, and will not change the way in which the audio is processed when you burn a CD.
To turn on pre-emphasis:
m In the General Pane of the CD Track Info window, turn on Pre-Emphasis.
Bouncing Tracks
You can bounce a track. As with bouncing a region, bouncing a track has two
benefits: it lets you save an archive of the track, and it can help conserve processing
power when you burn a CD.
To bounce a track:
1 In the Track list, select the track.
2 Choose Disc > Bounce Track.
3 In the Save dialog, choose a location to save the track, then click OK.
Working With Markers
Markers are part of the Red Book standard for the CD format. You use markers to
indicate a specific point in time on the CD. There are several types of markers, including
track start, pause start, and index markers.
Types of Markers
WaveBurner Pro supports the following types of markers:
• Track start markers: Indicate the start of a track, when someone playing the finished
CD uses the forward, back, or track number controls on their CD player.
• Pause start markers: Indicate the start of a short period of silence before the next
track starts.
• Index markers: Indicate the position of index points, which are additional points in
time within a track. Not all CD players can recognize and locate index points.