Phonetics
Links
"Ghoti" = "Fish"
http://www.englishclub.com/esl-articles/199909.htm
English is not phonetic. Why you can't tell how to pronounce a word by looking at it.
Free English pronunciation practice
http://www.fonetiks.org/
English language pronunciation guides with instant sound
IPA Phonetic Chart
http://www.esl-lounge.com/pronunciation/phonetic-chart.shtml
The 44 phonemes of standard English.
Minimal pair pronunciation practice
http://www.shiporsheep.com/
English minimal pair practice with instant sound
Minimal Pairs Exercise
http://www.speak-read-write.com/minimalpairs.html
Practice short words which are the same except for one consonant.
Type IPA phonetic symbols online
http://ipa.typeit.org/
Online text editor for typing IPA-based phonetic transcriptions