"Ĥ", or "ĥ", is a consonant and letter in the Esperantoalphabet. Since each letter in Esperanto has a consistent sound, this letter is always pronounced the same; its sound is represented by [x] in SAMPA.
... (http://www.constitutional-law.net/general.html) by Professor Joseph E. Magnet, University of Ottawa
Bibliography
Hogg, P. W., Constitutional law of Canada 4th ed. ...