Wednesday, September 27th, 2006
More stuff I already know, but a lot more interesting than last week! Always good to get a different slant on things as well I suppose, and get an idea of what exam questions would be like. Yes, I know, that’s a horrible way to go about learning something, but hey, points mean prizes!!
Lesson of the day: \'Analogue\' in relation to audio is related to the word \'analogous\' - I always thought it was just coincidence that they were similar!
Thursday, September 21st, 2006
Really not much to report here. Extremely boring, verging on timewasting - if he pulls a stunt like this on a Champions League night there’ll be trouble!!
Saturday, September 16th, 2006
Psychoacoustics, also known as the study of sound perception. Your brain has the ability to do a lot with sounds, including localisation (determine where a sound is coming from), perception of distance, and something called the Cocktail Party Effect. This defines how sound is perceived when your drunk. Haha. Nah that’s not true, it’s the ability to isolate a particular sound amongst many others, eg. in a busy room.
The Doppler Effect is what causes an ambulance siren to sound different as it moves towards you and further away from you.
Lesson of the day: I can get 30% off my Oyster card - cha ching!!
Thursday, September 14th, 2006
Found out why you only get Long Wave radio when you’re driving through the hills - it’s to do with the way the lower frequencies can bend around obstacles, while higher frequencies (like FM radio) just bounce off them. Thank god for Atlantic 252!
Finished by looking at how the ear works. Apparently it is a transducer, which converts acoustic energy into kinetic energy and then electrical energy.
Lesson of the day: Never use cotton buds in your ears
Thursday, September 7th, 2006
Tonight we learned about the ‘characteristics’ of a sound, in particular what makes, say, a guitar sound different from a violin or a piano or a voice, and in turn what makes people’s voices unique. Very interesting, I now have a theory on how to artificially create the sound of someone’s voice (like the Cyprus audio in series 2 of 24!). I’m guessing my theory has flaws, but if I’m bored I might give it a bash!
First exam is on the 4th of October! 2 hours. 100 multiple choice questions. Whit?!
Lesson of the day: the Greek guy asks a LOT of questions!
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