This is the LAME mpeg encoder, compiled for the ARM platform. Warning: it's slow.

Packages, with md5sums:

Binary package: 

1013f08ffcc05734d8378cea7f26e0c2  lame-3.97b2-arm.tar.gz
Original source code: 
f3109237dfa9e025a2eb23fdae338166  lame-3.97b2.tar.gz