Re: Pitch Shifting Algorithm (Susan Allen )

Subject: Re: Pitch Shifting Algorithm
From:    Susan Allen  <susie@xxxxxxxx>
Date:    Mon, 26 Jun 2006 11:42:15 -0700

Is this what they call "J. LO-ing" it in the Los Angeles studios?

Susan Allen

On Jun 26, 2006, at 11:27 AM, lazzaro wrote:

> On Jun 25, 2006  Ben Hornsby <ben.hornsby@xxxxxxxx> wrote:
>> I've had a request from someone in our department for suggestions  
>> for a =
>> pitch shifting algorithm that will be used to shift the  
>> frequencies of =
>> phoneme pairs (e.g. ba-da) into the center range of rat hearing  
>> (~8kHz) =
>> without affecting the temporal cues of the speech stimuli. I'm =
>> unfamiliar with available software to do this (and pros and cons  
>> for =
>> specific kinds). We do have some commercial software here such as  
>> Adobe =
>> Audition and SoundForge that have pitch shifting algorithms as  
>> part of =
>> their software package. We are hoping to limit artifact as much as =
>> possible. Would these be appropriate algorithms to use? If not,  
>> why not =
>> and any suggestions as to which software program would be more =
>> appropriate?
>
>
> Take a look at Celemony Melodyne -- it's a sound editor
> that lets you tune-up the pitch, time, and formants of
> monophonic sources.  Review here (of 2.0 -- they're up
> to 3.0 now):
>
> http://www.soundonsound.com/sos/jan04/articles/melodyne2.htm
>
> If it looks like it can do what you want, try downloading
> the demo version of Celemony Melodyne Studio:
>
> http://www.celemony.com/cms/index.php?id=demos
>
> or maybe reading more info about the formant processing
> part of the program in their manuals:
>
> http://www.celemony.com/cms/index.php?id=manuals
>
> In the recording studio world, Melodyne is what folks grab
> when automated solutions for re-pitching sounds (Auto-Tune,
> TC Intonator) don't work.  Good luck,
>
>
> ---
> John Lazzaro
> http://www.cs.berkeley.edu/~lazzaro
> lazzaro [at] cs [dot] berkeley [dot] edu
> ---
>
>