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A sonority hierarchy or sonority scale is a hierarchical ranking of speech sounds (or phones). Sonority is loosely defined as the loudness of speech sounds relative to other sounds of the same pitch, length and stress, [ 1 ] therefore sonority is often related to rankings for phones to their amplitude. [ 2 ]
A good example for the SSP in English is the one-syllable word trust: The first consonant in the syllable onset is t, which is a stop, the lowest on the sonority scale; next is r, a liquid which is more sonorous, then we have the vowel u / ĘŚ / – the sonority peak; next, in the syllable coda, is s, a sibilant, and last is another stop, t.
The following is the chart of the International Phonetic Alphabet, a standardized system of phonetic symbols devised and maintained by the International Phonetic Association. It is not a complete list of all possible speech sounds in the world's languages, only those about which stand-alone articles exist in this encyclopedia.
Sonority is a measure of the amplitude of a speech sound. The particular ranking of each speech sound by sonority, called the sonority hierarchy, is language-specific, but, in its broad lines, hardly varies from a language to another, [7] which means all languages form their syllables in approximately the same way with regards to sonority.
All examples of tables and transcriptions here are based on the American English section of the Handbook of the International Phonetic AssociationISBN 0-521-63751-1. Consonants [ edit ]
In phonetics and phonology, a sonorant or resonant is a speech sound that is produced with continuous, non-turbulent airflow in the vocal tract; these are the manners of articulation that are most often voiced in the world's languages.
For example, the clitic group is not considered to be a separate level in Selkirk's version of the hierarchy, [1] while the minor phrase or accentual phrase are not considered to be separate from the phonological phrase in Hayes' [2] and Nespor & Vogel's hierarchies. [3] [4] Utterance [2] [3] Intonational phrase (I-phrase, ι) [1] also known as:
Lenition can be seen as a movement on the sonority hierarchy from less sonorous to more sonorous, or on a strength hierarchy from stronger to weaker. In examples below, a greater-than sign indicates that one sound changes to another.