(H)...(ح). sharp H in the name hassan

(kh)...(خ). KH...pronounced from the front of the throat like the J in spanish.

YouTube unable to visit in china.

<a href="http://www.youtube.com/watch?v=joaa_H3ejoM&feature=related">http://www.youtube.com/watch?v=joaa_H3ejoM&feature=related</a> ;

enter in this link it will help you inshallah <img title="Laughing" src="http://www.italki.com/Scripts/tinymce/jscripts/tiny_mce/plugins/emotions/img/smiley-laughing.gif" alt="Laughing" border="0" />