This has to be the easiest way to embed voice recordings in your blog or wiki

Go to http://vocaroo.com/
Click on Click to Record 2011-04-10_1128.png Click Allow, speak into the microphone, click on 2011-04-10_1128_001.png
Click on Listen or Record again
Click on Post to Internet
Highlight the HTML code and paste into a Wiki Widget or a Blog HTML Gadget.