摘要：Straipsnyje ap.velgiami anks.iau naudoti ski-riamieji pu.iam.j. priebalsi. balsingumo (skardu-mo / duslumo) rodikliai ir vertinimo algoritmai: HNR (harmonics-to-noise ratio; Boersma), pirmosios har-monikos intensyvumas ir laiko parametrai (Stevens, Pirello ir kt.). Be to, aptariami papildomi po.ymiai, neatliekantys skiriamosios funkcijos (priebalsio ir prie. j. einan.io balsio trukm., fonacijos da.nis CàV pereigoje ir kt.). Akustiniai po.ymiai siejami su artikuliaciniais ir sl.gio kitimo vyksmais. Pa.y-mima, kad skardumas identifikuojamas ir tada, kai fonacija n.ra i.tisin..Skard.i.j. priebalsi. spektrams būdinga .em.j. harmonik. struktūra, skirianti .iuos priebalsius nuo dusli.j.. Atsi.velgiant . .. skirtum. siūlomas taikyti paprastas LHR (low-high-ratio; t. y. .em.j. ir auk.-t.j. da.ni. juost. intensyvumo santykis) rodiklio apskai.iavimo metodas. Juo remiantis vertinamas lietuvi. bendrin.s kalbos pu.iam.j. priebalsi. pavyz-d.i. balsingumas (nagrin.jami prevokaliniai .od.io prad.ios ir intervokaliniai sibiliantai). Nustatyta, kad kategorij. riba tarp skard.i.j. ir dusli.j. sibiliant. atitinka apytiksliai – 10 dB LHR rodiklio reik.m.. LHR metodas lyginamas su ankstesniais, aptariami jo prana.umai
其他摘要：The following previously used differential in-dexes and algorithms for the evaluation of voicing of fricatives are overviewed: HNR (harmonics-to-noise ratio; Boersma), intensity and temporal parameters of the first harmonic (Stevens, Pirello; etc.). In addition, the supplementary non-differential cues such as duration of a consonant and preceding vowel, and phonation frequency in CàV transition are discussed. The acoustical cues are considered in relation to the articulatory movements and processes of pressure dynamics. It is noted that continuity of phonation is not obligatory cue for identification of voiced fricatives.Structure of low harmonics is characteristic of the spectra of voiced fricatives, in contrast to voiceless fricatives. Based on this difference, a simple LHR method is suggested (low-high-ratio index; i.e., ra-tio of intensities of low and high frequency bands). The method is applied for the evaluation of voicing of fricatives in standard Lithuanian (prevocalic and intervocalic sibilants are considered). It is estimated that the boundary between the voiced and voiceless sibilants corresponds roughly to LHR = –10 dB. The LHR method is compared to the previous methods and its advantages are discussed
