Honda I-4 cold start noise

[k24a4]

I've written before about cold start "clacking" from my Honda before. Now I am getting used oil analysis with elevated aluminum. Although this is not my car, the sound in this video is similar, if somewhat louder:

http://s16.photobucket.com/albums/b5/ItsaHonda/?action=view&current=Picture079.mp4

Here is another clip:

http://s16.photobucket.com/albums/b5/ItsaHonda/?action=view&current=Picture077.mp4

Is this piston slap?

 

[k24a4]

Guys, these are not the videos I meant to post. I was in a rush. There is one with the person driving the video and I'll try to post that.