![]() ![]() ![]() The proposed method improves the performance of an automatic phoneme recognizer by reducing the confusion between aspirated and unaspirated counterparts. Results show that VTC, NAPS, and SoE can detect aspiration in nasals, whereas SoE and VSEI can detect aspiration in fricatives. non-aspiration is a relatively salient feature of Welsh vs. The difference between the two is simply that the aspirating device mixes or entrains air in the AFFF/water solution within the nozzle or foam maker, whereas. These features are extracted from zero-frequency filtered signal of the speech sounds, as it preserves the aspiration information. Welsh voiceless stops /p/, /t/, and /k/ with significantly shorter VOT. Some speakers are clearly not interested in improving their accent, or simply do not realize. Aspirated Versus Nonaspirated AFFF Aqueous film forming foam concentrates (AFFF) can be applied to flammable liquid fires using either aspirating or nonaspirat- ing discharge devices. Acoustic features, such as vocal tract constriction (VTC), normalized autocorrelation peak strength (NAPS), strength of excitation (SoE), and variance of successive epoch intervals (VSEI) are used to detect aspiration in fricatives and nasals. A set of acoustic features is proposed to automatically detect the presence of aspiration in fricatives and nasals. Among them, distinguishing the aspirated fricatives and aspirated nasals from their unaspirated counterparts is a challenging task. ![]() This study reports the acoustic characteristics of aspiration in stops, fricatives, and nasals. Rabha and Angami are considered in this study, as previous studies have confirmed the existence of aspiration contrast in fricatives and nasals. word-initial stops /p, t, k, ph, th, kh/ followed by three vowels /i, u. Hence, data driven, quantitative, and statistical analysis of their aspiration phenomena is fairly limited. Most of the languages that have aspirated non-stop consonants are low-resource languages. Unlike aspiration in stops, occurrence of aspiration in non-stop consonants is quite rare. ![]()
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