Notes: Look for an antiresonance at approximately 1500-2000 Hz, caused when the tongue touches the roof of the mouth. At either side of this gap, you may see F2 and F3 diverging before the /l/ and coming together afterwards. At times, /l/ may be visible only as a weakening in the energy of F2 and F3.

A typical /l/ may look like:

Speaker: Tim Carmell
Word: the /l/ section of the word "valleys"