Is this normal fan noise?

[vbman213]

I recorded this using the internal microphone

Left Speed : 6k RPM
Right Speed : 6k RPM

http://dl.dropbox.com/u/9081819/Default System Input 20101204 1346.mp3/

Here is another recording:

Left Speed : 6k RPM
Right Speed : 2k RPM

http://dl.dropbox.com/u/9081819/Left Fan.mp3

 

[StopSign24]

Sounds just like my 13" MBP.

 

[Stvwndr219]

how hot is your processor core? If it's hot and you're doing intensive stuff, it will speed up.