Table 1 Overview of participants, indicating their proficiency level (taxonomy according to Bunch and Chapman57), investigated phonatory fo, and observed glottal configuration.

From: Biomechanics of sound production in high-pitched classical singing

Subject

Age

Taxonomy (Bunch–Chapman)

Highest pitch sung in study

Glottal configuration

Glottal configuration (detail)

S1

21

7.2

G6 (1568 Hz)

I

intercartilaginous posterior glottal gap (PGG), potentially reaching into membranous vocal fold portion

S2

29

7.1/4.1

G6 (1568 Hz)

I

PGG reaching into membranous vocal fold portion

S3

25

7.2

(B6 (1975 Hz) beside the protocol)

IIa

complete glottal closure, arytenoids and vocal processes pressed together, visible partial vocal fold contact along antero-posterior axis even in open phase

S4

27

7.2

G6 (1568 Hz)

IIb

complete glottal closure, arytenoids and vocal processes pressed together (but most posterior glottis not visible)

S5

36

3.1a, 4.5

G6 (1568 Hz)

IIa

complete glottal closure, arytenoids and vocal processes pressed together, visible partial vocal fold contact along antero-posterior axis even in open phase

S6

30

4.1/4.5

F6 (1397 Hz)

IIa

complete glottal closure, arytenoids and vocal processes pressed together, visible partial vocal fold contact along antero-posterior axis even in open phase

S7

31

3.1a, 3.1c

G6 (1568 Hz)

I

PGG, potentially reaching into membranous vocal fold portion

S8

46

3.1a, 3.1c

G6 (1568 Hz)

I

PGG

S9

23

7.2

F6 (1568 Hz)

IIb

complete glottal closure, arytenoids and vocal processes pressed together