for Audio

<audio controls>
    <source src="http://www.codehamster.com/dongdong/fragrance_of_flowers.mp3" type="audio/mp3">
</audio>

for Video

<video controls> 
    <source src="http://www.codehamster.com/dongdong/Neujahr2014.mp4" type="video/mp4">
</video>

You can directly see and the try the cods with JS Bin

Audio and Video Tags for HTML5