Narrated PowerPoint presentations on Capability Analysis are available here via the American Society for Quality (ASQ)

Title: What is Cpk?
Author: Keith M. Bower
Publication Source: YouTube

Notes

Description of Cpk, along with Cp. This video addresses key considerations for the valid interpretation of this widely used (and abused) estimate of process capability. Click the play button on the screen below to start the Video Podcast. The relationship between Cpk and Ppk is addressed in the Video Podcast available through this link.

The audio track (mp3) for this Video Podcast (i.e. Audio Podcast 10) is available through this link as well as in iTunes.