01289nas a2200121   4500008004100000245013300041210011800174300001200292490000600304520071200310100003801022856010701060       1981                        bul d00aАнализ на основния тон Fo при дългата гласна [i:] и при кратката гласна [I]0 aАнализ на основния тон Fo при дългата гласна i и при кратката гл  a48–530 v63 aThe movement of the basic tone Fo is considered by some phoneticians as a significant, though insufficiently investigated field which can account for native language interference and the presence of a foreign accent. The analysis aims at establishing the objective change of that quantity which is registered through its absolute values in the so-called long and short vowels. The object of analysis is a contrastive study of the data obtained from one and the same phonological material, pronounced by English and Bulgarian informants; the ultimate aim is to check M. Durand’s statement about the linguistic significance of the basic tone in the differentiation between the English long and short vowels.1 aДеспотова, Вера, Г.  uhttps://naum.slav.uni-sofia.bg/librislavici/%D0%B4%D0%B5%D1%81%D0%BF%D0%BE%D1%82%D0%BE%D0%B2%D0%B0198101501nas a2200121   4500008004100000245013300041210012100174300001200295490000600307520092600313100003301239856010701272       1978                        bul d00aАкустичен анализ на английските фонеми [i:] и [I], произнесени от българи0 aАкустичен анализ на английските фонеми i и I произнесени от бълг  a28–360 v33 aue to fundamental differences between the phonological systems of Bulgarian and English, 37 Bulgarians tend to disregard the qualitative-quantitative distinction between the English long and short vowel phonemes, especially between the long [i:] and the short [I] phonemes. Bulgarians articulate a different [i] sound which is easily detected perceptually and is treated as a „foreign“ accent by English native speakers. The purpose of this analysis is to determine the acoustic character of that phenomenon. The analysis is confined to monosyllabic words of the consonant-vowel [CV], and consonant-vowel-consonant [CVC] types. The investigation is based on data from the traditional spectrogram which reveals the F-pattern and the quantitative dimensions of the segments. The results of this analysis are compared to the F-pattern of the Bulgarian [i] sound, determined under similar conditions by D. Tilkov in 1968.1 aДеспотова, Вера  uhttps://naum.slav.uni-sofia.bg/librislavici/%D0%B4%D0%B5%D1%81%D0%BF%D0%BE%D1%82%D0%BE%D0%B2%D0%B01978