Tests for various audio file formats and ways of embedding them:

all in one file

1. mp3 file

   1. mp3 embedded with <audio>
   2. mp3 embedded with <iframe>
   3. mp3 embedded with <object>
   4. mp3 embedded with <embed>

2. au file

   1. au embedded with <audio>
   2. au embedded with <iframe>

3. wav file

   1. wav embedded with <audio>
   2. wav embedded with <iframe>

detection with Modernizr

audio

not detected

wav

not detected

mp3

not detected

m4a

not detected

ogg

not detected