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In some English accents, the phoneme /l/, which is usually spelled as l or ll , is articulated as two distinct allophones: the clear [l] occurs before vowels and the consonant /j/, whereas the dark [ɫ] / [lˠ] occurs before consonants, except /j/, and at the end of words.
Some words contain silent letters, which do not represent any sound in modern English pronunciation. Examples include the l in talk , half , calf , etc., the w in two and sword , gh as mentioned above in numerous words such as though , daughter , night , brought , and the commonly encountered silent e (discussed further below).
It altereth the sound of all the vowells, euen quite thorough one or mo consonants as, máde, stéme, éche, kínde, strípe, óre, cúre, tóste sound sharp with the qualifying E in their end: whereas, màd, stèm, èch, frind, strip, or, cut, tost, contract of tossed sound flat without the same E, And therefor the same loud and sharp sound in ...
Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The physical principles of acoustic waves apply to any frequency range, including ultrasound. Ultrasonic devices operate with frequencies from 20 kHz up to several gigahertz.
The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. As the source continues to vibrate the medium, the vibrations propagate away from the source at the speed of sound, thus forming the sound wave.
The NG sound of sing is written by combining the letter n with the tail of the g, /ŋ/, as in sing /ˈsɪŋ/. This is not the same as the sound in finger, which has an extra g sound: /ˈfɪŋɡər/. This sound also appears when n comes before a k, such as in sink /ˈsɪŋk/. The digraph TH is used for two sounds in English. Since the IPA uses a ...
The words "followed" and "free" are not onomatopoeic in themselves, but in conjunction with "furrow" they reproduce the sound of ripples following in the wake of a speeding ship. Similarly, alliteration has been used in the line "as the surf surged up the sun swept shore ..." to recreate the sound of breaking waves in the poem "I, She and the Sea".
It applies only to words in which the ie or ei stands for a clear /ee/ sound and unless this is known, words such as sufficient, veil and their look like exceptions. There are so few words where the ei spelling for the / ee / sound follows the letter c that it is easier to learn the specific words: receive , conceive , deceive (+ the related ...