Artikulaciono-akustički i auditivni aspekt odstupanja glasova u patološkom izgovoru
Articulation-acoustic and auditory aspect of sound deviation in pathological pronountiation
Author
Punišić, SilvanaMentor
Kašić, ZorkaCommittee members
Golubović, SlavicaJovičić, Slobodan
Mijić, Miomir
Ribarić-Jankes, Ksenija
Metadata
Show full item recordAbstract
Predmet istraživanja ove disertacije je sprovođenje sistematskog istraživanje akustickih
karakteristika glasova u patološkom izgovoru i poređenje odstupanja odabranih glasova sa
akustickim karakteristikama glasova u tipicnom izgovoru kod izvornih govornika srpskog
jezika. S obzirom na prirodu problema, istraživanja u disertaciji idu u nekoliko pravaca: a)
artikulaciono-akusticka analiza tipičnih odstupanja i njihova karakterizacija, b) analiza
akustickih mera identifikacije odstupanja i njihova uloga u prepoznavanju; c) analiza
auditivne percepcije odstupanja i njena zavisnost od akustickih odstupanja. Pored ostalog, za
realizaciju predmeta istraživanja bilo je neophodno poznavanje uzrasnih normi za razvoj
glasova kao i artikulaciono-akustickih karakteristika tipičnog izgovora svih glasova, tj.
standarda tipične artikulacije.
Uzorak istraživanja cinile su dve grupe govornika (eksperimentalna i kontrolna), na
osnovu cijeg izgovora su formirane baze govornih stimulusa, i dve grupe slušal...aca za
ispitivanje perceptivnog (auditivnog) aspekta odstupanja glasova u atipicnom izgovoru. Za
govornike su odabrana deca, desetogodišnjaci i jedanaestogodišnjaci, jer su oni u govornoj
fazi u kojoj se približavaju odraslim izvornim govornicima, odnosno kod njih je ostvaren
sistem automatizovanih artikulacionih navika i u procesu su usvajanja standardne ortoepije.
Grupu slušalaca cinili su eksperti i netrenirani slušaoci. U istraživanju je korišcen Globalni
artikulacioni test (GAT) i Test za analiticku ocenu glasova srpskog jezika (AT).
Analizom govornog korpusa (baze govornih stimulusa rezultata) Globalnim
artikulacionim testom, izdvojena je grupa od 7 glasova (/š/, /c/, /dž/, /š/, /ž/, /r/ i /l/), koji su
pokazali najveću učestalost atipične produkcije, po tipu distorzije. Grupa izdvojenih glasova
analizirana je Artikulacionim testom pri cemu je dobijen skup akustičko -artikulacionih
obeležja za svaki od sedam glasova. U posmatranoj bazi najveću zastupljenost pokazala su
odstupanja po tipu: različitih vrsta sigmatizama i izmenjenog kvaliteta trajanja i intenziteta
frikcije. Raspodela trajanja i intenziteta analiziranih glasova može se opisati normalnom ili
lognormalnom Gausovom raspodelom. Analiza je pokazala da se za svaki glas može
definisati varijaciono polje trajanja i intenziteta za tipičan izgovor. Dinamika trajanja kreće se
od 70 ms za glas /c/ do 145 ms za glas /dž/. Dinamika intenziteta krece se od 11 dB za glas /c/
do 17 dB za glas /ž/.
Analiza akustickih korelata odstupanja u spektralnom domenu, pokazala je da se
odstupanja po tipu sigmatizama (interdentalni, adentalni i stridentni sigmatizam) i intenziteta
frikcije (slaba i jaka frikcija) mogu prepoznati u spektralnom domenu. Za pomenuta
odstupanja moguće je definisati kriterijume diferencijacije tipicnog i atipicnog izgovora u
spektralnom domenu...
The subject of this dissertation is systematic examination of acoustic characteristics of sound
in pathological pronunciation and comparison of deviation of selected sounds with acoustic
characteristics of sounds in typical pronunciation in subjects having Serbian as the mother
tongue. Concerning the nature of the problem, empirical studies included in the dissertation
lead in several directions: a) articulation-acoustic analysis of typical deviations and their
characterisation, b) analysis of acoustic deviation measures and their role in recognition; c)
analysis of auditory perception of deviation and its dependence on acoustic deviation. In
addition, knowledge of sound development age standards as well as articulation-acoustic
characteristics of typical pronunciation or typical articulation standards were needed for the
realisation of the subject of the study.
The sample consisted of two groups of speakers (experimental and control) based on
whose articulation speech stimuli data bas...es were made. Also, two groups of listeners were
created for examination of perceptive (auditory) aspects of sound deviation in typical
pronunciation. Children aged 10 and 11 were selected as speakers, because at these ages, they
are reaching adult speakers. In other words, they have developed a system of automatic
articulation habits and in the process of acquiring standard ortoepia. The group of listeners
was made up of experts and untrained listeners. The Global Articulation Test (GAT) and the
Test for Analytical Estimation of Sounds of the Serbian Language (AT) were used in the
study.
Analysis of the speech corpus (speech stimuli data base) using the Global Articulation
Test resulted in a group of 7 sounds was selected (/c/, /c/, /dž/, /š/, /ž/, /r/ i /l/), showing the
highest frequency of atypical production of the distortion type. The selected group of sounds
was analysed with the Articulation Test resulting in a set of articulation-acoustic
characteristics for each of the seven sounds. The examined data base showed the following as
the most frequent deviations: different types of sigmatism and changed duration quality as
well as changed friction intensity. The distribution of duration and intensity of analysed
sounds can be described with the normal or lognormal Gaussian distribution. The analysis
uncovered that each sound can be defined as a variation field of duration and intensity for
typical pronunciation. The duration dynamics encompassed values from 70 ms for the sound
viii
/c/ up to 145 ms for sound /dž/. The intensity dynamics had values from 11 dB for sound /c/
to 17 dB for sound /ž/.
Analysis of acoustic correlates of deviation in the spectral domain showed that
sigmatism deviations (interdental, adental and strident sigmatism) and friction intensity
(weak and strong friction) can be recognized in the spectral domain. For the described
deviations, differentiation criteria of typical and atypical articulation in the spectral domain
can be defined...
Faculty:
Универзитет у Београду, Студије при универзитетуDate:
2012Projects:
- Interdisciplinary research of verbal communication quality (RS-MESTD-Basic Research (BR or ON)-178027)