Antares AutoTune Live user manual

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To take maximum ad\bantage of t\fe power of Auto-Tune Li\be’s pitc\f cor-
rection functions, you s\fould \fa\be a basic understanding of pitc\f and \fow 
Auto-Tune Li\be functions to correct pitc\f errors. T\fis c\fapter presents basic 
terminology and introduces Auto-Tune Li\be’s operating paradigm, gi\bing 
you t\fe background you need to use it effecti\bely.
A little bit abo\ft \Apitch 
Pitc\f is traditionally associated wit\f our perception of t\fe “\fig\fness” or 
“lowness” of a particular sound....

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Some pitch termino\Alogy
T\fe pitc\f of a periodic wa\beform is defined as t\fe number of times t\fe 
periodic element repeats in one second. T\fis is measured in Hertz (abbre\bi-
ated Hz.). For example, t\fe pitc\f of A4 (t\fe A abo\be middle C on a piano) is 
traditionally 440Hz (alt\foug\f t\fat standard \baries by a few Hz. in \barious 
parts of t\fe world). 
Pitc\fes are often described relati\be to one anot\fer as inter\bals, or ratios 
of frequency. For example, two pitc\fes are said to be one...

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How A\fto-T\fne Live detects pitch
In order for Auto-Tune Li\be to automatically correct pitc\f, it must first 
detect t\fe pitc\f of t\fe input sound. Calculating t\fe pitc\f of a periodic 
wa\beform is a straig\ftforward process. Simply measure t\fe time between 
repetitions of t\fe wa\beform. Di\bide t\fis time into one, and you \fa\be 
t\fe frequency in Hertz. Auto-Tune Li\be does exactly t\fis: It looks for a 
periodically repeating wa\beform and calculates t\fe time inter\bal between...

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How A\fto-T\fne Live corrects pitch
Auto-Tune Li\be works by continuously tracking t\fe pitc\f of an input sound 
and comparing it to a user-defined scale. T\fe scale tone closest to t\fe input 
is continuously identified. If t\fe input pitc\f exactly matc\fes t\fe scale tone, 
no correction is applied. If t\fe input pitc\f \baries from t\fe desired scale tone, 
an output pitc\f is generated w\fic\f is closer to t\fe scale tone t\fan t\fe input 
pitc\f. (T\fe exact amount of correction is controlled...

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dept\fs for pitc\f, amplitude (loudness) and formant (resonant frequencies). 
You can also specify delayed \bibrato wit\f independently programmable 
onset delay and onset rate. 
By combining a fast Retune Speed setting wit\f Auto-Tune Li\be’s vibrato 
settings, you can e\ben remo\be a performer’s own \bibrato and replace it 
wit\f Auto-Tune Li\be’s programmed \bibrato, all in real time. Also, unusual 
combinations of  vibrato Wa\beform, Rate and Dept\f settings can be used 
for some interesting...

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Formant Correction and Throat Modeling
Formant Correction
A sound’s “formants” are t\fe combined acoustic resonances t\fat result 
from t\fe p\fysical structure of w\fate\ber is producing t\fe sound. 
In t\fe case of a \fuman \boice, air from your lungs is forced t\froug\f your 
\bocal c\fords, causing t\fem to \bibrate. From t\fere, t\fe \boice is propagated 
t\froug\f t\fe t\froat, t\fe mout\f and out t\froug\f t\fe lips. It is t\fe s\fape of 
t\fese structures t\fat create t\fe resonant...

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Latency
Due to t\fe nature of \fow Auto-Tune works, along wit\f differences in 
t\fe \barious \fosts, w\fo all add t\feir own bit of latency during tracking, 
it’s impossible to state an absolute Auto-Tune Li\be latency specification. 
Howe\ber, in our tests of Auto-Tune Li\be in major \fosts, latency was 
consistently undetectable w\fen tracking li\be wit\f \bocals. 
For t\fe tec\fnically curious, t\fe maximum in\ferent latency of Auto-Tune 
Li\be itself, distinct from any contribution by t\fe \fost,...

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T
Chapter 3: Auto-Tune Live Controls
T\fis c\fapter is a reference for all of t\fe controls used in t\fe Auto-Tune 
Li\be interface. How t\fese controls are used toget\fer for pitc\f correction is 
demonstrated in C\fapter 4, Auto-Tune Li\be Tutorials. 
Contin\fo\fs Controls
Auto-Tune Li\be’s continuous controls are represented grap\fically as \birtual 
knobs. Depending on your preference, you can control knobs by linear 
or radial mouse mo\bement. Set your preference in t\fe options dialog 
described...

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Inp\ft Type
As a result of Antares’ researc\f into t\fe unique c\faracteristics of \barious 
types of audio signals, Auto-Tune Li\be offers a selection of optimized pro-
cessing algorit\fms for t\fe most commonly pitc\f-corrected inputs. C\foices 
include Soprano  voice, Alto/Tenor  voice, Low Male  voice, Instrument, and 
Bass Instrument. Matc\fing t\fe appropriate algorit\fm to t\fe input results in 
e\ben faster and more accurate pitc\f detection and correction.
To select t\fe desired Input Type,...

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Select Pitch Reference
Auto-Tune Li\be pro\bides t\fe ability to pitc\f correct 
stereo tracks w\file maintaining t\fe tracks’ p\fase 
co\ference. (Refer to your \fost application’s manual 
for instructions on assigning a plug-in to a stereo 
track.) Click t\fe appropriate button to select w\fic\f 
of t\fe two stereo tracks (left or rig\ft) Auto-Tune Li\be will use as a pitc\f 
reference.
NOT\b: If there is a marked differen\be in the two tra\bks, pi\bk the \blean\Lest, 
most isolated tra\bk. For...