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In phonetics and phonology, a semivowel, glide or semiconsonant is a sound that is phonetically similar to a vowel sound but functions as the syllable boundary, rather than as the nucleus of a syllable. [1] Examples of semivowels in English are y and w in yes and west, respectively.
The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.
The symbol in the International Phonetic Alphabet that represents this sound is j̃ , that is, a j with a tilde. The equivalent X-SAMPA symbol is j~, and in the Americanist phonetic notation it is ỹ . The nasal palatal approximant is sometimes called a nasal yod; [j̃] and [w̃] may be called nasal glides.
Examples include English /w/ and /r/. In some languages, such as Spanish, there are sounds that seem to fall between fricative and approximant. One use of the word semivowel, sometimes called a glide, is a type of approximant, pronounced like a vowel but with the tongue closer to the roof of the mouth, so that there is slight turbulence.
Declarative sentences show a 2–3–1 pitch pattern. If the last syllable is prominent the final decline in pitch is a glide. For example, in This is fun, this is is at pitch 2, and fun starts at level 3 and glides down to level 1. But if the last prominent syllable is not the last syllable of the utterance, the pitch fall-off is a step.
Smoothing is a monophthongization of a closing diphthong (most commonly /eɪ, aɪ, ɔɪ, əʊ, aʊ/) before a vowel that can occur in Received Pronunciation and other accents of English. (Some have called this "levelling", but this is rarely used because it may be confused with dialect levelling.)
For example, the feature [+voice] distinguishes the two bilabial plosives: [p] and [b] (i.e., it makes the two plosives distinct from one another). There are many different ways of defining and arranging features into feature systems : some deal with only one language while others are developed to apply to all languages.
decoding skills (in phonics): Without the use of context, to pronounce and read words accurately by using the relationship between the letter(s) and the sounds they represent. (i.e. cat is k - a - t, plough is p - l - ow, and school is s - k - oo - l. Encoding skills (i.e. spelling) is the same process in reverse. [28]