Simple compact JS Audio player (original developed by Osvaldas Valutis)
This player have addition function to speed up audi file. For speed up sound user need to click x2 button. After this sound will be played faster. After this button will change to x4. After click on x4 button, sound will play faster. x4 will change to x1. This button will reduce sound speed to original.
Another new feature is add ability to show graph with sound wave. This graph is integrated into the sound progress bar