• SONAR
  • Vocal Question - Where are harmonics created in the voice? (p.2)
2013/10/08 17:55:19
Bule
Some of the Mel Bay Guitar Improvisation books have some vocal training in them which is just basic diatonic scale chording. Example:1-3-5 of major scale = major chord so C-E-G  so the voicing is the same with vocals but as you say the timbre is different but the theory is the same.
2013/10/08 18:02:32
Grem
Great info.
 
This is why I keep coming back!
 
And to read all the BS bickering we do around here! : )
2013/10/08 18:13:46
mettelus
Thanks all. My own curiosity made me pop open this file to take a second gander at it after getting Melodyne. R-Mix on the straight mic track would show three distinct yellow dots, but was not as helpful as looking at it with Meldodyne. I have always thought of overtones akin to a simple string instrument with "infinite overtones" that have an exponential delay in amplitude. Seeing three distinct tones of significant amplitude made me scratch my head.
 
I guess of all the instruments I play with, I should probably put more research into the instrument I always have with me!
 
Michael
2013/10/08 18:47:54
Lazyboy
Leadfoot
In a related question, what harmonic is generated if I thumb-pick my vocal chords while holding my index finger over the 7th fret??? Oh, sorry. I see I'm not in the coffee house.

I'm not sure of the precise harmonic, but I remember the sound all too well.
 
No more peyote for me.
2013/10/08 18:51:41
Lazyboy
Sidroe
Can't wait for Dylan's version of Cher's "Believe"!
 


Geez. I can hear that and the Tpain sounds in my head.
 
I think I prefer the peyote regurgitation sound.
 
Note to NSA, future employer, etc.  PEYOTE REFERENCE FOR HUMOROUS PURPOSES ONLY!
2013/10/08 20:09:42
Leadfoot
Lazyboy
Note to NSA, future employer, etc.  PEYOTE REFERENCE FOR HUMOROUS PURPOSES ONLY!

LOL... Nice disclaimer!
2013/10/08 21:09:39
guitartrek
As stated, the harmonics in the voice are created by the vibration of the folds.  The deeper the vibration, the louder the harmonics.  What is typically referred to as "chest" voice has strong, rich harmonics due to deeper fold vibration (like a brass instrument), whereas falsetto, which is the thinnest fold vibration has much lower harmonics (sounds more like a flute).
 
And as stated before, these harmonics are amplified and filtered by different vocal tract configurations to create vowels.  Each vowel has a set of formants (resonant centers) that amplify the harmonics to create the vowel identity.
 
One thing to note is the "singer's formant" which lies about 2k to 4k.  This frequency band helps the voice cut through a mix.  Opera singers rely on this region to cut through an orchestra and fill a concert hall.  The "singer's formant" is also referred to as "twang" and is amplified by narrowing the epiglottic funnel (think donald duck).  
2013/10/08 21:24:15
Leadfoot
guitartrek
As stated, the harmonics in the voice are created by the vibration of the folds.  The deeper the vibration, the louder the harmonics.  What is typically referred to as "chest" voice has strong, rich harmonics due to deeper fold vibration (like a brass instrument), whereas falsetto, which is the thinnest fold vibration has much lower harmonics (sounds more like a flute). And as stated before, these harmonics are amplified and filtered by different vocal tract configurations to create vowels.  Each vowel has a set of formants (resonant centers) that amplify the harmonics to create the vowel identity. One thing to note is the "singer's formant" which lies about 2k to 4k.  This frequency band helps the voice cut through a mix.  Opera singers rely on this region to cut through an orchestra and fill a concert hall.  The "singer's formant" is also referred to as "twang" and is amplified by narrowing the epiglottic funnel (think donald duck).  

Dude, you just blew my mind ...
2013/10/08 21:38:51
mettelus
LOL, yeah... I am sort of ashamed now at all the things I took for granted without knowing :(
2013/10/24 00:34:34
mettelus
Okay, I finally got back to looking at this track more closely. I found that because of the overtones in my voice that Melodyne doesn't move the overtones well (i.e. will not "snap to scale" which is the same issue of trying to snap a guitar after distortion is applied), so I went back to the raw file. I finally signed up for SoundCloud, so can share what I am talking about. I threw Concrete Limiter and Breverb 2 onto the track but it is otherwise raw.  https://soundcloud.com/mettelus/maple-tree-vocal-mp3
 
What I *still* find odd is this (analyzed using polyphonic mode in Melodyne)...
 
At the 17s point, the "my" has 5 very distinct notes (F3, C4, F5, A5, and F6). At least these are a chord, so makes sense (sort of).
At the 22s point, the "lost" also had 5 tones (Bb3, Bb4, F5, Bb5, D5)... which is even stranger to me because the root is actually closer to A than Bb.
 
I am baffled by singing F3, and getting and F5, and F6!!
 
Michael
 
 
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