Samples put in the 'Feedback yes' category

   

length (sec.)

Mel. profile

Dyn. profile

Note 1

Note 2

in radio 5

0.76

Image :

telephone noise

 

in mail 5

1.22

 

Klaxon

out mail 5

1.06

 

Klaxon

in radio 3

0.55

almost sinus

 

out radio 3

0.49

almost sinus

 

out mail 4
(prototype)

1.90

 

Ding

Feedback yes 2

0.5

high spect.

Cartoon

Feedback yes 4

0.25

Pocs medium high freqs. +++

 

Feedback yes 5

0.37

Piano medium high freqs. +++

Cartoon

Feedback yes 6

0.22

Xylo medium high freqs. +++

Cartoon

The "feedback yes" category belongs to the "feedback degree +2" category - here is the corresponding typical profile :

Polyphonic / monophonic polyphonic
Dynamic profile or
Melodic profile
Length 0.5 to 2 s.

-> conclusions <-

The samples that were sorted in the "feedback yes" category were : monophonic, short, and, on the whole, with a dynamic profile.
It seems that "simple feedback yes" should be created as a subcategory of "feedback degree +2". Here is the profile of this subcategory :

Polyphonic / monophonic monophonic
Dynamic profile
Melodic profile ---
Length less than 1sec.