2. Prosodic Semantics€¦ · Linguistic functions of prosody: – lexical meaning (distinctive /...
Transcript of 2. Prosodic Semantics€¦ · Linguistic functions of prosody: – lexical meaning (distinctive /...
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Shanghai Summer School 2016 Gibbon: Prosody 1
Prosody: Speech Rhythms and Melodies
2. Prosodic Semantics
Dafydd Gibbon
Summer SchoolContemporary Phonology and Phonetics
Tongji University 9-15 July 2016
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Shanghai Summer School 2016 Gibbon: Prosody 2
Functions of prosody
The Rank Interpretation framework
Selected rank-specific prosodic functionality
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Shanghai Summer School 2016 Gibbon: Prosody 3
Functional aspects of prosody
● Discourse functions– discourse framing
– turn-taking continuity
– speech act marking
● Speaker characterisation– identity, personality
– sentiment, excitement
● Information structure– given-new
– focus, contrast, emphasis
● Grammatical cohesion– phrasing
● boundary marking● rhythm grouping● contour coherence● disambiguation
– morphosyntactic tone
● Lexical functions– phonemic & morphemic
● stress● pitch accent● tone
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Shanghai Summer School 2016 Gibbon: Prosody 4
The Rank Interpretation Architecture - Prosody
PROSODY
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Shanghai Summer School 2016 Gibbon: Prosody 5
The Rank Interpretation Architecture - Prosody
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Shanghai Summer School 2016 Gibbon: Prosody 6
Functions
● Semiotic functions of prosody:– symbol (morphemic?)
– icon (teeny weeny mouse with low pitch)
– index (relation to time, place, person, cause)
● Linguistic functions of prosody:– lexical meaning (distinctive / contrastive)
– structural meaning (configurative: delimitative, culminative
– discourse meaning● turn-taking● speech act:
– illocution– perlocution
● Gricean: [check Hirshberg and my gesture paper]
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Shanghai Summer School 2016 Gibbon: Prosody 7
The Rank Interpretation Architecture - Prosody
● Discourse structure
● Speaker characterisation
● Information structure
● Grammatical cohesion
● Lexical constitution:– morphemic
– phonemic
Prosodic ranks
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Shanghai Summer School 2016 Gibbon: Prosody 8
Discourse Functions of Prosody
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Shanghai Summer School 2016 Gibbon: Prosody 9
Discourse functions
● Discourse functions– discourse framing
● “call contours”● strategic use of hesitation phenomena,
vocalisations
– turn-taking continuity● start with high pitch● end with low pitch● dialogue act marking
– adjacency pair marking● e.g. question-answer patterns
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Shanghai Summer School 2016 Gibbon: Prosody 10
Hirschberg & Pierrehumbert 1983
● "semantico-pragmatic effects”:– structure:
● discourse segmentation, topic structure● parallelism between mentioned items● subordination relationships between propositions which are
more, or less, salient in the discourse● topic shift, digression, interruption● turn-taking
– semantics:● disambiguation of ambiguous utteranaces [i.e.: scope]● appropriate choice of referent (reference resolution)● distinction between 'given' and 'new' information (information
status: given/new, topic/comment, focus/presupposition)● conceptual contrast● indirect speech acts (MW: other speech acts, too)
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Shanghai Summer School 2016 Gibbon: Prosody 11
Hirschberg & Pierrehumbert 1983
● Hirschberg & Pierrehumbert 1983. The intonational structuring of discourse.– "The central thesis of this work is that there
are many ways in which intonation helps to structure discourse."
– An overview of well-known functions of intonation
(understood as pitch patterning)
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Shanghai Summer School 2016 Gibbon: Prosody 12
Hirschberg & Pierrehumbert 1983
● "semantico-pragmatic effects":– structure:
● discourse segmentation, topic structure● parallelism between mentioned items● subordination relationships between propositions salient in
the discourse● topic shift, digression, interruption● turn-taking
– semantics:● disambiguation of ambiguous utteranaces (MW: scope)● appropriate choice of referent (reference resolution)● distinction between 'given' and 'new' information (information
status: given/new, topic/comment, focus/presupposition)● conceptual contrast● indirect speech acts (MW: other speech acts, too)
"The central thesis of this work is that there are many ways in which intonation helps to structure discourse."
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Shanghai Summer School 2016 Gibbon: Prosody 13
Grosz & Sidner 1986
● Discourse structure marking– linguistic structure (phrasing, framing)
● pitch register, pitch range
– intentional structure (purposes, speech acts)● pitch accent contour type● boundary tone type
– attitudinal state (objects, properties, relations, and discourse intentions that are most salient at any given point)
● accent placement, focus, contrast, emphasis● given/new, theme/rheme
Grosz, B. J. and C. L. Sidner. 1986. Attention, intentions and the structure of discourse. BBN report.
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Shanghai Summer School 2016 Gibbon: Prosody 14
Intentional structure: prosody and speech acts
● Grice's Principle of Cooperation – Grice’s Maxims:– Maxim of Quality: Try to make your contribution one that
is true● Do not say what you believe to be false.● Do not say that for which you lack adequate evidence.
– Maxim of Quantity: Make your contribution as informative as is required
● Do not make your contribution more informative than is required.
– Maxim of Relation: Be relevant
– Maxim of Manner: Be perspicacious● Avoid obscurity of expression.● Avoid ambiguity.● Be brief.● Be orderly.
For discussion:
How does prosody contribute to Grice’s Principle of Cooperation and the Maxims?
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Shanghai Summer School 2016 Gibbon: Prosody 15
Intentional structure: prosody and speech acts
● Austin 1962 & Searle 1969:– locutionary acts:
● meaning: modality, mood, possibility, predicate & arguments
– lexical morphemic tone; phrasal intonational meaning● metalocutionary acts
– marking of properties of locutions (boundary tones, accents, ...)
– illocutionary acts:● interactive creation of new bond between interlocutors
– question, promise, command; marriage, official appointment, ...
– perlocutionary acts:● creation of an effect by the speaker on the hearer
– impress, disappoint, interest, excite, bore; praise, insult, ...
Which speech act properties are relevant for prosody?
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Shanghai Summer School 2016 Gibbon: Prosody 16
Prosodic / intonational meaning is ‘metalocutionary’
● Paralinguistic metalocutionary channel– two aspects:
● gradient constraints on pitch/intensity/tempo variation
● affect, sentiment, attitude
– not necessarily automatic: can be imitated
● Linguistic metalocutionary channel– information marking – a rough
correspondence:Prague school Halliday ToBI
delimitative - tonality - boundary assignment
culminative - tonicity - tone assignment
distinctive - tone - tone
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Shanghai Summer School 2016 Gibbon: Prosody 17
Metalocutionary discourse framing:
● 3 basic conditions on speech acts:– Uptake condition / Channel condition
● Normal input and output conditions obtain
– Essential condition● commitment
– Sincerity condition● truth – probability – certainty
● Example of discourse framing: “call contours”
– Discourse start: -Jooohn-neee!
– Discourse end: -Byyy-eee!
– Impossible: *Yesterday I saw -Jooohn-neee in town.
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Shanghai Summer School 2016 Gibbon: Prosody 18
Metalocutionary discourse framing:
● Example: German “call contour”:
Niebuhr, O. 2013. Resistance is futile – the difference between continuation rise and falling contour in German. Proceedings of Interspeech.
“Dann mach ich eben leiser!”
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Shanghai Summer School 2016 Gibbon: Prosody 19
Metalocutionary discourse framing:
● Discourse functions of: “call contour”:– Uptake condition / Channel condition
● Normal input and output conditions obtain– But: missing (English, German), disturbed (German)
or closing (English, German) channel– So normal input and output conditions do NOT
obtain!
DISCOURSE FRAME TIMELINE →
ENGLISH: -JOHN-NY - - - - - - - - - - - - - - - - - - - - - - -BY-E
GERMAN: Manu-E-LA - - - - -LAU-TER - - - - - -WIEDER-SEHEN
discourse-initial
discourse-medial
discourse-final
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Shanghai Summer School 2016 Gibbon: Prosody 20
Intonation idioms: lexicalised prosody
● Greeting:– Good morning /
– Good morning \
● Ambiguity:– Excuse - me /
– Excuse \ me /
● Reproach:– And so - you should \
– And so / you should \
● Appraisive exclamation:– Oh / wow /\ (cf. the “wolf whistle”)
● And of course: ‘call contours’
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Shanghai Summer School 2016 Gibbon: Prosody 21
Speaker characterisation
● Speaker characterisation– indexicality: identity, personality
– emotionality: attitude, sentiment
– paralinguistic codes:● Ohala: Frequency code
– high – low frequency– reflects size– reflects power
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Shanghai Summer School 2016 Gibbon: Prosody 22
Paralinguistic meaning and sound symbolism
● Universal codes of paralinguistic intonation meaning with a biological basis:– Frequency Code (Ohala)
● size of vocal cords / vocal tract ~ frequency: power relations
– scale: friendly/submissive – aggressive/dominant– certainty – uncertainty– [ also excitement ]
– Effort Code (Gussenhoven)● range, energy, emphasis● precision, negativity
– Production Code (Gussenhoven)● chunking
cf. C. Gussenhoven. Intonation and interpretation: Phonetics and phonology. In Proceedings of Speech Prosody 2002, Aix-en-Provence, 2002.
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Shanghai Summer School 2016 Gibbon: Prosody 23
Universal paralinguistic functions
● Frequency Code (Ohala)(Gussenhoven: also “Size C
ode”)● size of vocal cords ~ frequency: power relations
– MW: also excitement– Gussenhoven: Smaller larynxes contain lighter
andsmaller vocal cords, with which faster vibration rates are achieved for a given amount of energy. The correlation between larynx size and rate of vocal cord vibration is exploited for the expression of power relations. The many ramifications of this latter connection were dealt with by Ohala [9],[10][11]. The term for this form-function relation is his, and my labels for the next two relations are by analogy with his term. An alternative term would be ‘Size Code’.
● iconic function:
– ‘a teeny weeny mouse and a great big bear’
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Shanghai Summer School 2016 Gibbon: Prosody 24
Universal paralinguistic functions
● Effort Code (Gussenhoven)● Energy ~ precision? :)● The amount of energy expended on speech
production can be varied: putting in more effort will not just lead to more precise articulatory movements, but also to more canonical and more numerous pitch movements. Lavishing more care on the production process means less slurring together of these movements, causing them to be carried out with less undershooting of targets
● Energy ~ precision?– DG: 2 dimensions, at least; cf. functional OT (Boersma)
and the hyper-hypo-articulation span– emphasis, surprise – negativity
● Grammaticalisation: accent and focus
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Shanghai Summer School 2016 Gibbon: Prosody 25
Universal paralinguistic functions
● Production Code (Gussenhoven)● The generation of energy is tied to the exhalation
phase of the breathing process, and hence becomes available in phases, Lieberman's breath groups [13].This code associates high pitch with the beginnings of utterances and low pitch with the ends.
● Also: Production Phase Code
– Speakers place more effort on beginnings than on ends of utterances
● High pitch at utterance start● But cf. nuclear stress/accent● Also: global pitch slope (e.g. declination) is more
than just a marker of beginnings and ends:– Rather, it is variation at the edges that is interpreted in
terms of initiation and finality.
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Shanghai Summer School 2016 Gibbon: Prosody 26
Universal paralinguistic functions
● Indexical paralinguistic universals of pitch, as in Gussenhoven’s Biocodes?
● pitch height – biological size● intensity, range – energy and precision● boundary tones, declination – structure marking
Animals may also share the paralinguistic
functions.(G-calls)
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Shanghai Summer School 2016 Gibbon: Prosody 27
Universal paralinguistic functions
● The Modulation Code (Gibbon) enhances the other codes (Gibbon)– time functions / sequences:
● global variation of range / intensity / tempo● local variation of pitch, intensity, tempo for
prominence creation
– functional properties of time functions● paralinguistic:
– global: excitement (range)– local: insistence (prominence), e.g. No-wo-wo-wo-wo!
● linguistic:– intonation hierarchy (cf. paratone)– accent sequence constraints
Animals may also share the paralinguistic
functions.(G-calls)
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Shanghai Summer School 2016 Gibbon: Prosody 28
Grammatical Functions of Prosody
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Shanghai Summer School 2016 Gibbon: Prosody 29
Prosody and grammar
● Grammatical function:– configuration relations (global pattern):
● boundary marking– boundary tones: ‘startup tone’, ‘quitting tone’– final lengthening
● rhythmic grouping– quasi-isochrony of pitch accent / stress spacing
● contour coherence– global fall (declination)– global rise (inclination)d
– culmination relations (local accents):– theme-rheme, given-new, contrast, focus
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Shanghai Summer School 2016 Gibbon: Prosody 30
Prosody and grammar
● Single clause:– transitivity
– ‘sentence stress’:● phrasal● contrastive● focus● emphatic
– mood
– (logical) scope
● Multiple clause:– coordinating
– subordinating
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Shanghai Summer School 2016 Gibbon: Prosody 31
Prosody and grammar
● Morphosyntactic functions of prosody: inflection– German loan words:
● Dóktor – Doktóren
For discussion:
Any other languages with inflectional prosody?
Coming up: a Niger-Congo language.
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Shanghai Summer School 2016 Gibbon: Prosody 32
Prosody and grammar
● Morphosyntactic tone – inflection:
Ibibio (ISO 639-3 ibb, Lower Cross, Nigeria):
jàá (distal future)vs. jáà (proximal future)
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Shanghai Summer School 2016 Gibbon: Prosody 33
Lexical Functions of Prosody
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Shanghai Summer School 2016 Gibbon: Prosody 34
Prosody and the lexicon
● Lexical function– compositional (structural):
● linking tone in Niger-Congo compounds● compound stress
– morphemic (meaningful) function● inflectional tone in Niger-Congo morphosyntax
– phonemic (contrastive) function● duration● stress● pitch accent● tone
Note that intensity falls out of this
function.
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Shanghai Summer School 2016 Gibbon: Prosody 35
Prosody and the lexicon: derivation
● affix-dependent stress shift, not necessarily the same even in related languages:
– English latinate derivation:● télephone – teléphony – telephónic
(cf. SPE stress rules)
– German latinate derivation:● Télefon – Telefoníe – telefónisch
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Shanghai Summer School 2016 Gibbon: Prosody 36
Prosody and the lexicon: compounding
● English:
– 1steam2ship, 1steam3ship 2captain
SPE Compound Stress Rule
steam ship captain
R
s
ws w
Liberman’s bottom-up algorithm for the Nuclear and Compound Stress Rules:
for each leaf in the tree:stress level =● number of nodes in the
path from the first non-strong node to the root
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Shanghai Summer School 2016 Gibbon: Prosody 37
Prosody and the lexicon: phonemic functions
● Kuki-Thadou (ISO-639-3)
– Phonemic tones:
lów (H) ‘field’, l w (LH) ‘medicine’, lòw (L) ‘neg marker’.ǒ
Thadou minimal pairs: /low/
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Shanghai Summer School 2016 Gibbon: Prosody 38
Prosody and the lexicon: microprosody
● microprosody = subphonemic prosody– consonantal pitch perturbation
– vowel intrinsic pitch
– phonotactic parsing:● syllable boundary marking
Endlich gab der Nordwind den Kampf auf.
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Shanghai Summer School 2016 Gibbon: Prosody 39
Prosody and the lexicon: microprosody
● microprosody = subphonemic prosody– waveform: amplitude (black), intensity (red)– measured pitch (blue)– pitch model, 10th degree polynomial regression (green)– voicing (red)– microprosody (green)
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Shanghai Summer School 2016 Gibbon: Prosody 40
Endlich gab der Nordwind den Kampf auf.
Prosody and the lexicon: microprosody
● microprosody = subphonemic prosody– phoneme articulation affects air pressure
→ vocal folds change phonation ratePitch perturbations marking syllable margins
![Page 41: 2. Prosodic Semantics€¦ · Linguistic functions of prosody: – lexical meaning (distinctive / contrastive) – structural meaning (configurative: delimitative, culminative –](https://reader035.fdocuments.us/reader035/viewer/2022081402/60603bbad4a1fb3d446b63d1/html5/thumbnails/41.jpg)
Shanghai Summer School 2016 Gibbon: Prosody 41
Summary
● What you should know:– Prosody has functions at many ranks
● Discourse– there are many discourse functions, and many models of functions
● Grammar– configuration
● cohesion● boundaries
– culmination● nuclear stress, focus, contrast, emphasis
● Lexicon:– Morphemic– Phonemic– Sub-phonemic