BACKGROUND Vocal polyps are the products of voice overuse, misuse and abuse as the most common causative factors. Treatment generally advised for them are voice therapy and Microlaryngeal Phonosurgery (MLPS). The improved or changed quality of voice is generally assessed perceptually and can cause intra rater variability. In this study we compared and analysed the acoustic characteristics befor...

In this paper we investigate the modulation domain as an alternative to the acoustic domain for speech enhancement. More specifically, we wish to determine how competitive the modulation domain is for spectral subtraction as compared to the acoustic domain. For this purpose, we extend the traditional analysis-modification-synthesis framework to include modulation domain processing. We then comp...

The goal of this longitudinal study in substitution voice after vertical and horizontal partial laryngectomy was i) to analyse perceptual and acoustic characteristics related to specific surgery, ii) to determine relevant acoustic measurements to classify voice quality. 30 male patients were recorded at 3, 6 and 12 months after surgery and 15 male controls. Two perceptual scales (GRB & IINFVo) ...

Abstract A photoacoustic spectrometer has been developed to measure in situ light absorption by aerosol. The measured quantity is the sound pressure produced in an acoustic resonator caused by light absorption. The current lower detection limit for light absorption is 0.4 Mm which corresponds to an elemental carbon mass density of ≈ 40 ng/m assuming an efficiency for light absorption of 10 m/g....

Little is known about intraspeaker changes in voice across changing speaking situations in everyday life. In this study, we examined acoustic variations between and within 5 talkers and their effect on the likelihood that voice samples would not be identified as coming from the same talker. Talkers were drawn from a large database recorded to capture everyday variations in vocal characteristics...

Voice corpora of pathological voices are generally based on high-quality audio recordings. These are supplemented with additional information describing the general recording conditions and the individual subjects. While an acoustic analysis cannot be expected to specify certain medical diagnoses it may reflect the glottal phonation conditions. Two examples shall illustrate this point. First, v...

OBJECTIVE To compare the voice quality of women with idiopathic Parkinson's disease and those without it. METHODS An evaluation was performed including 19 female patients diagnosed with idiopathic Parkinson's disease, with an average age of 66 years, and 27 women with an average of 67 years-old in the Control Group. The assessment was performed by computed acoustic analysis and perceptual eva...

Acoustic signals can encode crucial information about species identity and individual quality. We recorded and compared male courtship drum sounds of the sand goby Pomatoschistus minutus and the painted goby P. pictus and examined if they can function in species recognition within sympatric populations. We also examined which acoustic features are related to male quality and the factors that af...

PURPOSE To compare the vocal self-perception and vocal complaints reported by two groups of students of the pedagogy course (freshmen and graduates); to relate the vocal self-perception to the vocal complaints for these groups; and to compare the voice quality of the students from these groups through perceptual auditory assessment and acoustic analysis. METHODS Initially, 89 students from th...