In a previous post, I discussed the physical interpretation of digital music (and all digital audio) as both a time-varying signal and a frequency-varying signal. This, of course, makes intuitive sense - as we spend three or four minutes listening to a song, we can hear the guitars and horns coming in and fading out, a singer intone the chorus of a song, etc. At the same time, we appreciate the frequencies changing as well — the singer hitting different notes, the instruments forming different chords. ...

• photography
• dsp

The other day I was having a discussion with my roommate Mike about the physical intuition of digital photographs, and how performing even the most fundamental of operations (e.g. resizing) requires an appreciation of the underlying mathematics. We are both currently in image processing classes, but very different kinds. His course is in Computer Science, so his studies tend to be of the use Java; things happen; make apps variety, with only some slight motivation and understanding of what’s happening under the hood. ...

• music
• dsp

I recently finished signing up for (hopefully) my final semester of (undergraduate) classes at University. I don’t think the significance of this coming semester being my final one has quite sunk in yet. Maybe it’s simply due to me already being in the middle of the semester now, but I haven’t yet begun panicking or experiencing ‘senioritis’. I’m sure those will both come in due time, but in the meantime, I had to figure out which classes to take to round up my college education. ...

• school

I love going for walks in the park. Whether I’m flushed with ideas and want to let them percolate in my head, or I’m bone dry and can’t seem to get a single thought to hit me, I find going for a walk always helps. Something about keeping moving and watching the world stroll by always seems to get the juices flowing at just the right pace. But a walk can’t be just anywhere to have this effect. ...

• meta