Written 6^th Feb

I have finally got my actors which are a step up from having now actors and two locations are confirmed. Rescue rooms continue to be a thorn in my side. This will just require more communication.

Written 9^th Feb

Well just completed my third artefact things are going full steam the evaluation is below.

Unfortunately this artefact had a smaller test group due to over bookings of the test room. Looking at the data it would seem there are closer results to the control test,

In this test and that of the control the Naim amplifier was used, from this I can see that there is a difference between the two amplifiers even if quite subtle.

In comments added by the group pretty much ever test subject thinks the quality of the more expensive amplifier is higher, which was not the case last week. However some members of last week were not involved in this artefact as previously stated.

The use of a larger room made some of the tracks sound fuller as stated by one of the test subjects track three (Elgar’s Elegy for strings) the additional space allowed a better ambience and more reverb which created more effect upon each test subject.

I also included a quick test upon each subject listening to 20 seconds of track two on both systems and a clear comparison was made that the clarity of the Naim amplifier was much higher than that of the marantz. It had a much better response to the top and low end frequencies, which when looking back at my research is one of the main fundamentals a higher spec amplifier will bring.

The fact that the results do alter slightly to that of the control test shows that the perceived quality is changing.

For my next artefact I will be testing the Speaker placement (which will be slightly behind and also off to the side instead of directly behind, hopefully this may give a sense of listening to head phones) this will be a to see if the test subjects concentration changes when the sound source is maybe in a position that not many people would ever listen to. Another Artefact that is definitely needs to be tested Is human emotion, I hypothesis that tracks that people would hate and love will dramatically alter the results.

Written 11^th Feb

Unfortunately last week was quite hectic and I have not written about any other practioners however this week I will be looking into famous scores in movies for instance the jaws theme music etc.