A Quick Demonstration
Below you will find two versions of the same recording. Click on the links (it does not matter which one you do first), listen to the recording, and decide which description best fits the main speaker. Obviously, your answer will be tainted by the fact that you know the design, but try to answer as honestly as you can based on your first impressions. The two case versions open in separate windows, but feel free to compare the response results of the two versions. It seems that we evaluate the performance differently.
Figure 1: Early results - Obviously not very scientific but...