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About the audio tracks
The audio tracks used by a song (Audio Track 1, 2) are a single stereo WAVE file that is created by recording in synchronization
with the MIDI tracks + master track.
Audio track 1 is the L channel of the stereo WAVE file, and audio track 2 is the R channel.
When you record or edit one track (or any portion of a track) this entire stereo WAVE file is modified; it is not the case that sepa-
rate WAVE files exist.
This means that an unrecorded track or region of a track will contain data with a waveform level of “zero.” In other words, the
size occupied by the stereo WAVE file is the same whether or not recorded data exists.
Some examples are shown below to illustrate this. These examples will help you use the HD Audio Track function and your
hard disk space most effectively.
1
For this example we will assume that the song is 16 measures in length. From the initial state of the song, suppose that you
record guitar on audio track 1. A stereo WAVE file will be created. The length of the stereo WAVE file will be the length from
the beginning of the song to the location at which you stopped recording. The unrecorded audio track 2 will also occupy
space on the disk.
2
You record a guitar solo in the latter half of audio track 1, ending at measure 16. The stereo WAVE file will be updated as
shown in the diagram. The stereo WAVE file will now extend the full 16-measure length of the song. Unrecorded (silent)
regions also occupy space on the disk.
3 You record a vocal from the beginning of audio track 2. The stereo WAVE file will be updated as shown in the diagram. The
space occupied by the stereo WAVE file has not changed from the state shown in step
2, above.
4 You use the “Put WAVE” command to place a stereo WAVE file from a sample CD at measure 6. The stereo WAVE file is
updated as shown in the diagram. The piano waveform data is overwritten as shown. The space occupied by the stereo
WAVE file has not changed from the state shown in steps
2 and 3.
HD Audio Track 1
HD Audio Track 2
001.01.000
016.04.191
Song (16 measures)
Guitar
[Stereo WAVE file]
L ch: Guitar sample data
R ch: zero sample data
Guitar Solo
HD Audio Track 1
HD Audio Track 2
Guitar
[Stereo WAVE file]
L ch: Guitar - zero - Guitar Solo sample data
R ch: zero sample data
Guitar Solo
HD Audio Track 1
HD Audio Track 2
Guitar
[Stereo WAVE file]
L ch: Guitar - zero - Guitar Solo sample data
R ch: Vocal - zero sample data
Vocal
Guitar Solo
HD Audio Track 1
HD Audio Track 2
Guitar
[Stereo WAVE file]
L ch: Guitar- (overwritten) Piano L
- zero - Guitar Solo sample data
R ch: Vocal - (overwritten) Piano R
- zero sample data
Vocal
[Stereo WAVE file]
L ch: Piano L sample data
R ch: Piano R sample data
Piano-L
Piano-R
Put WAVE