The Voiced alveolar fricative reference article from the English Wikipedia on 24-Apr-2004
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Voiced alveolar fricative

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The voiced alveolar fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is z, and the equivalent X-SAMPA symbol is z. The voiced alveolar fricative occurs in English, and it is the sound denoted by the letter "z" in zoo or the letter "s" in "roses".

IPA - Unicode z
IPA - image Image:Xsampa-z.png
X-SAMPA z
Sound sample

Features of this consonant: