Effect of differences in F0 between voices

1
Effect of differences in F0 between voices
Summerfield and Culling (1994) Synthesized,
vibrato vowels.
Brokx Nooteboom (1984) Monotonized sentences.
F0 difference (Hz)
F0 difference (Hz)
0 3 6 9 20
0 12 26
100
0
-5
Identification threshold (dB)
-10
-15
-20
0 2 4
F0 difference (semitones)
F0 difference (semitones)
2
Culling, Summerfield and Marshall (1994) Effect
of reverberation on concurrent vowel
identification.
(A)
(B)
(C)
(D)
3
Concurrent vowel identification in
reverberation as a function of vibrato depth.
Vibrato Depth
F0 Difference
(semitones)
(semitones)
0.5
2
0.125
0.25
0.5
1
2
4
Culling, Hodder and Toh (2003) Running speech.
5
(No Transcript)
6
The results Culling Hodder and Toh were difficult
to interpret due to the effect of role F0
contours in intelligibility. In order to avoid
influences on intelligibility, we propose to use
completely artificial F0 contours on running
speech.
Original
Monotonised
Vibrato