is there one in audacity?
if not, is there a way to achieve the same effect?
pitch envelope
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Please state which version of Windows you are using,
and the exact three-section version number of Audacity from "Help menu > About Audacity".
Audacity 1.2.x and 1.3.x are obsolete and no longer supported. If you still have those versions, please upgrade at https://www.audacityteam.org/download/.
The old forums for those versions are now closed, but you can still read the archives of the 1.2.x and 1.3.x forums.
Re: pitch envelope
There is a "Time Track" feature that may do what you want: http://manual.audacityteam.org/o/man/time_tracks.html
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
Re: pitch envelope
thanks!
it did what i wanted, but i was wondering if i could make the time track affect only one track, not everything in my mix.
it did what i wanted, but i was wondering if i could make the time track affect only one track, not everything in my mix.
Re: pitch envelope
Yes you can, sort of 
You would need to create the time track envelope (this will affect all tracks), then:
Select the track that you want it to affect.
Tracks menu > Mix and Render. This will "render" the selected track and in so doing will "apply" the time envelope to the track. The selected track(s) are "used up" (disappear) and a new "Mix" track is created at the bottom (below all other non-selected tracks).
Then delete the Time Track (click on the [X] in the top left corner of the track.
See here about "Mix and Render": http://manual.audacityteam.org/o/man/tr ... u.html#mix
You would need to create the time track envelope (this will affect all tracks), then:
Select the track that you want it to affect.
Tracks menu > Mix and Render. This will "render" the selected track and in so doing will "apply" the time envelope to the track. The selected track(s) are "used up" (disappear) and a new "Mix" track is created at the bottom (below all other non-selected tracks).
Then delete the Time Track (click on the [X] in the top left corner of the track.
See here about "Mix and Render": http://manual.audacityteam.org/o/man/tr ... u.html#mix
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)