This site is made to be seen on a personal computer.
To be able to watch the videos from the IOWA University, you will need to install Welcome to Sounds of Speech
Please consider installing both Praat and Audacity , the first will allow you to see what you do not hear,, and the second will allow you to capture the sounds and expressions that you decide to study. The installation instructions can be found by clicking on the menus "Praat" and "Audacity" at the top.
Watch this: [ɮ]. See this: between square brackets?
In order for the symbols used to represent the sounds on this site to appear correctly, you must have installed a Unicode type that includes the IPA symbols. You can download it from (Doulos SIL, Charis SIL, Gentium — a typeface for the nations)