Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech

The main purpose of this study is to test a method for the analysis of phonetic variation in natural speech. The method takes into account the continuous nature of the speech flow and allows for the investigation of the systematic variation phenomena that occur in the speech net of the cross-word co...

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Main Authors: Loredana Schettino, Francesco Cutugno
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Languages
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Online Access:https://www.mdpi.com/2226-471X/10/1/14
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author Loredana Schettino
Francesco Cutugno
author_facet Loredana Schettino
Francesco Cutugno
author_sort Loredana Schettino
collection DOAJ
description The main purpose of this study is to test a method for the analysis of phonetic variation in natural speech. The method takes into account the continuous nature of the speech flow and allows for the investigation of the systematic variation phenomena that occur in the speech net of the cross-word coarticulation phenomena that are expected in connected speech. We will describe some of the most frequent phonetic variation patterns that may be observed in the speech chain seen as a sequence of syllables, in relation to internal syllabic structure and lexical stress. The present study concerns speech data from the Italian section of the NOCANDO corpus. The data consist of about 1000 syllables extracted from monological speech from different speakers. In two different analysis layers, we attempted to align the “phonological” expected form and observed realisation. The results of this attempt led to the definition of syllabic deletion, substitution, or insertion when the alignment fails. The proposed method provides insight into the phonetic variation processes that can systematically occur in natural speech with relation to specific linguistic structures; in particular, unstressed syllables are most likely to undergo variation phenomena, and systematic differences concern the syllabic position of the segmental change, in that the presence of lexical stress prevents vowel deletion or centralization, but allows for onset changes (such as consonant cluster simplification or lenition).
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spelling doaj-art-6a2a1226ffc94c049624f0906d5224a32025-01-24T13:38:23ZengMDPI AGLanguages2226-471X2025-01-011011410.3390/languages10010014Quantifying and Characterizing Phonetic Reduction in Italian Natural SpeechLoredana Schettino0Francesco Cutugno1Faculty of Education, Libera Università di Bolzano, 39100 Bolzano, ItalyDepartment of Electrical and Information Technology Engineering, Università degli Studi di Napoli Federico II, 80138 Naples, ItalyThe main purpose of this study is to test a method for the analysis of phonetic variation in natural speech. The method takes into account the continuous nature of the speech flow and allows for the investigation of the systematic variation phenomena that occur in the speech net of the cross-word coarticulation phenomena that are expected in connected speech. We will describe some of the most frequent phonetic variation patterns that may be observed in the speech chain seen as a sequence of syllables, in relation to internal syllabic structure and lexical stress. The present study concerns speech data from the Italian section of the NOCANDO corpus. The data consist of about 1000 syllables extracted from monological speech from different speakers. In two different analysis layers, we attempted to align the “phonological” expected form and observed realisation. The results of this attempt led to the definition of syllabic deletion, substitution, or insertion when the alignment fails. The proposed method provides insight into the phonetic variation processes that can systematically occur in natural speech with relation to specific linguistic structures; in particular, unstressed syllables are most likely to undergo variation phenomena, and systematic differences concern the syllabic position of the segmental change, in that the presence of lexical stress prevents vowel deletion or centralization, but allows for onset changes (such as consonant cluster simplification or lenition).https://www.mdpi.com/2226-471X/10/1/14phonetic variationreductionsyllableconnected speechnatural speech
spellingShingle Loredana Schettino
Francesco Cutugno
Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
Languages
phonetic variation
reduction
syllable
connected speech
natural speech
title Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
title_full Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
title_fullStr Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
title_full_unstemmed Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
title_short Quantifying and Characterizing Phonetic Reduction in Italian Natural Speech
title_sort quantifying and characterizing phonetic reduction in italian natural speech
topic phonetic variation
reduction
syllable
connected speech
natural speech
url https://www.mdpi.com/2226-471X/10/1/14
work_keys_str_mv AT loredanaschettino quantifyingandcharacterizingphoneticreductioninitaliannaturalspeech
AT francescocutugno quantifyingandcharacterizingphoneticreductioninitaliannaturalspeech