EVALUATION OF F0 STABILITY IN SPEECH AND SINGING USING LARYNGEAL BIOIMPEDANCE MEASUREMENTS.

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Donati, Eugenio ORCID: https://orcid.org/0000-0002-0048-1858, Tomaszewska, Julia.Z. and Chousidis, C. (2024) EVALUATION OF F0 STABILITY IN SPEECH AND SINGING USING LARYNGEAL BIOIMPEDANCE MEASUREMENTS. In: Acoustics 2024, 12-13 Sep 2024, Manchester Metropolitan University, Manchester, UK.

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Official URL: https://www.ioa.org.uk/catalogue/paper/evaluation-...

Abstract

Within human interaction, speech and singing represent essential and primordial forms of communication. The differentiation between these acts is hypothesised to be highly dependent on the stability of their fundamental frequency. Voice analysis is inherently dependent on the use of microphone which can make an accurate analysis of the fundamental frequency computationally dispendious and susceptible to noisy environments. In turn, current studies on singing–speaking distinction mainly rely on acoustical evaluation. The presented research seeks to provide a statistical analysis of the fundamental frequency variations in speech and singing by means of laryngeal bioimpedance measurements. These signals allow an accurate evaluation of the fundamental frequency whilst reducing the errors arising from noise and acoustic interreferences. A dataset was created containing 2400 laryngeal bioimpedance measurements with a 50:50 ratio of speech and singing. An evaluation of the fundamental frequency variability was conducted using the YIN pitch estimation method on batches of 200 randomly selected samples (100 of speech and 100 of singing). A statistical evaluation was then conducted to compute the variability of the fundamental frequency across the batches, The results support the hypothesis for which fundamental frequency stability is highly impactful in the distinction of speech and singing with speech displaying a substantially higher variability across all batches.

Item Type:	Conference or Workshop Item (Paper)
ISBN:	9781906913496
Identifier:	10.25144/23655
Identifier:	10.25144/23655
Subjects:	Construction and engineering > Sound engineering
Related URLs:	Publisher
Depositing User:	Marc Forster
Date Deposited:	20 Jan 2025 09:06
Last Modified:	20 Jan 2025 09:15
URI:	https://repository.uwl.ac.uk/id/eprint/13104