Attentional, Affective, and Linguistic Components in Infant, Pet, Foreigner, and ComputerDirected Sp

1
Attentional, Affective, and Linguistic Components
in Infant-, Pet-, Foreigner-, and
Computer-Directed Speech

• SUBTITLE THE TALKING, FEELING HEAD

2
Speech Registers

• Infant-directed speech (IDS)
• Pet-directed speech (PDS)
• Foreigner-directed speech (FDS)
• Computer-directed speech (CDS)
• KISMET robot-directed speech (RDS)

3
Infant-directed speech

• Functions
• Conveys affective intent
• Engages attention
• Facilitates language development

• Features
• Exaggerated fundamental frequency
  (mean, range, intonation contours)
• High positive affect
• Hyperarticulated vowels
• Slower speech rate, shorter utterances
• Longer pauses between utterances

4
AFFECTIVE INTENT IN IDSKitamura Burnham (2003)
5
Infant Preferences Lam Kitamura (2006)

• 3 month-olds prefer comforting
• 6 month-olds prefer approving
• 9 month-olds prefer directive
• (low pass filtered only)

6
AFFECTIVE INTENT IN IDSKitamura Burnham (2003)
Affective Factor .877 .721
.450 .223 Attentional
Factor .078 -.152
.738 .851
7
Valence
Arousal
8
PET-DIRECTED SPEECHBurnham, Kitamura
Vollmer-Conna 2002
9
PET-DIRECTED SPEECH

• Functions
• Conveys affective intent
• Engages attention

• Features
• Exaggerated pitch
  (mean, range, intonation contours)
• High positive affect
• Slower speech rate, shorter utterances

10
FOREIGNER-Directed SpeechUther, Knoll Burnham,
submitted
Vowel Triangle Area
Fundamental Frequency
11
FOREIGNER-Directed Speech

• Functions
• Facilitates language understanding

• Features
• normal pitch (mean, range)
• Low or no positive affect
• Hyperarticulation

12
COMPUTER-Directed Speech Oviatt, Levow, Moreton,
MacEachern, 1998
13
(No Transcript)
14
COMPUTER-Directed Speech

• Function
• Facilitates speech understanding

• Features
• Slower speech rate
• Longer pauses new pauses
• Hyperarticulated speech
• Reduced pitch
• Final fall

15
KISMET
Affective Intent
Hardware
Emotions
Do you really think so?
16
Infant-, Pet-, Foreigner-, Computer-Directed
Speech
17
Robot-directed speech Breazeal Aryananda (2000)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)