Media mode
418
6. To execute Erase Punch Noise, press the OK button. If
you decide to cancel, press the Cancel button.
Time Stretch (Sustaining)
Time Stretch is a function that modifies the tempo by
lengthening or shortening the length of the data without
affecting the pitch. This lets you change the tempo of a
pitched sample (e.g., a vocal, or a string or wind instrument)
to match the tempo of other data or the song. You can also
execute this command on a stereo sample.
This provides the same functionality as the Sampling mode
Sampling P1: Sample Edit menu command Time Stretch
(Sustaining)
for a WAVE file.
1. In the Media, Utility (or similar) page, select the Wave
file that you want to edit, and then enter the Edit WAVE
page.
2. Set Edit Range Start and Edit Range End to specify the
region of data on which you want to execute Time
Stretch.
3. Select “Time Stretch” to open the dialog box.
4. Use Quality to specify the audio quality of the data pro-
duced by the Time Stretch command.
You can set this in a range of 0–7. Although it depends on
the data, higher settings will usually produce a better result.
However, you should be aware that higher settings will also
require a longer processing time.
You can repeat this operation as many times as you like, so
start with a lower setting, and gradually adjust the setting as
needed.
5. Specify the length of the data that will be produced by
the Time Stretch operation.
• If you want to specify the length as a ratio
Specify a Ratio in the range of 50.00%–200.00%. With a
setting of 50.00% the sample length will be halved (the
tempo will be doubled). With a setting of 200.00%, the
sample length will be doubled (the tempo will be
halved.
• If you want to fit the data into a specific BPM (tempo)
Specify the desired Beat (the number of quarter notes
per minute). If you change Beat, the Source BPM value
will change automatically. (See page 347)
You cannot make settings that would cause Source
BPM
or New BPM to exceed a range of 40–480.
You cannot make settings that would cause Ratio to
exceed a range of 50.00–200.00.
Depending on how the data is processed the resulting
length may not be exactly as you specified.
6. To execute the Time Stretch command, press the OK
button.
The Time Stretch dialog box will appear.
7. Verify the resulting data created by Time Stretch.
Index [Source, Result]:
Selecting Source will display the original waveform prior to
Time Stretch. Selecting Result will display the waveform
after Time Stretch.
Waveform display:
Displays the waveform of the WAVE file
selected by Index.
If the Wave file is stereo, the L channel data is displayed
above, and the R channel data below.
ZOOM:
Use these buttons to zoom-in or zoom-out the
vertical or horizontal axis of the waveform. (Samplig 1–1e:
ZOOM)
Start:
End:
These fields specify the start address and end address of the
currently selected index.
When you execute Time Stretch, these addresses will be set
automatically. However in some cases, the margin of
processing error may cause the playback to be slightly
shifted. If this occurs, you can re-specify the address here.
To hear the sound of the specified region, press the
SAMPLING START/STOP switch. The region specified by
Start
and End will play back when you press the
SAMPLING START/STOP switch.
8. If you press the Stretch button, the Time Stretch dialog
box will appear, and you can re-do the time stretch once
again.
Execute Time Stretch as described in steps 4 and 5.
9. Save the time stretched data. Press the Save button to
display the Save dialog box.
10. For details on Overwrite.WAV and Name, please see
“Save WAVE Parameter” steps 2 and 3.
11. To save, press the OK button. If you decide not to save,
press the Cancel button.
Содержание M3
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