Vocaroo

This has to be the easiest way to make a voice recording and then embed onto your wiki or blog.

Go to http://vocaroo.com/
Click on Click to Record and then click Allow

Record your voice by speaking straight into the microphone.

Click on Click to Stop

Click on Listen or Record again

Click on Post on the Internet. Copy the HTML code and then paste into the Widget on a Wiki or a HTML Gadget in a blog.