Adobe AUDITION 3 User Manual page 178

Table of Contents

Advertisement

Specifies the ratio (in percentage) and final length (in time) for the stretch. Specifying a value for one
Ratio, Length
automatically changes the other. If the initial and final lengths are different, then the actual final length will be exactly
(initial+final)/2 when in Preserve Pitch mode.
Lists the musical transposition amounts. The corresponding numerical values are entered into the stretch
Transpose
sliders automatically. For example, to transpose sound up one semitone (one half-step on a keyboard) choose 1# for
one sharp.
Defines the overall faithfulness to the sound's quality, with higher quality taking longer to process. You can
Precision
quickly process 8-bit or low-quality audio files with the Low Precision setting, whereas a professionally recorded
audio file may require stretching using the High Precision setting.
A quick way to determine which precision quality to use is to process a small portion of the audio at each setting until
you find the best balance of quality and processing time.
Provides four stretching options:
Stretching Mode
Time Stretch (Preserves Pitch)
percentages slow the tempo and higher percentages speed it up.
Note: Use this setting to make a 33- or 28-second commercial exactly 30 seconds.
Pitch Shift (Preserves Tempo)
raise the pitch and higher percentages lower it.
Use this setting to make a voice sound deeper or higher without affecting the original playback speed. Or, use differing
initial and final percentages to raise and lower the pitch without affecting the tempo.
Resample (Preserves Neither)
tempo and raise the pitch, while percentages above 100 decrease the tempo and lower the pitch.
Preserves the sound of vowels in stretched vocals. This option requires substantial processing;
Constant Vowels
try it on a small selection before applying it to a larger one.
Pitch And Time Settings (For Constant Stretch)
Solo Instrument Or Voice
Preserve Speech Characteristics
Determines how formants adjust to pitch shifts. The default value of zero adjusts formants together
Formant Shift
with pitch shifts, maintaining timbre and realism. Values above zero produce higher timbres (making a male voice
sound female, for example). Values below zero do the reverse.
Pitch And Time Settings (For Gliding Stretch)
Determines the size of the chunk of audio data used when you preserve pitch or tempo while
Splicing Frequency
elongating or truncating a waveform. The higher the value, the more precise the placement of stretched audio over
time. However, artifacts are more noticeable as rates go up. At higher precision, lower splicing frequencies may add
stutter or echo. If the frequency is too high, sound might be tinny or voices might have a tunnel-like quality.
In Low Precision mode, you can improve the quality of stretched monotonal (pure tone) samples by choosing a
splicing frequency that's evenly divisible into the frequency of the sample. Use the Frequency Analysis window to find
the sample's base frequency, and then divide by an integer to get the splicing frequency. For example, if the tone is 438 Hz,
dividing by 20 gives 21.9 Hz. Thus, a splicing frequency of 21.9 Hz will greatly improve quality by reducing phase
artifacts. For nontonal or noisy samples, the splicing frequency doesn't matter as much.
Determines how much the current chunk of audio data overlaps with the previous and next ones.
Overlapping
(When stretching or compressing audio, chunks are overlapped with previously transformed chunks.) If stretching
Lets you decrease and increase the tempo without changing the pitch. Lower
Lets you raise and lower the pitch without changing the tempo. Lower percentages
Lets you change both the pitch and tempo. Percentages below 100 increase the
Provide the following options:
More accurately adjusts a solo performance.
Maintains realism in speech.
Provide the following options:
ADOBE AUDITION 3.0
173
User Guide

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

22011302

Table of Contents