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feat: TODOs; clean up precision pitfall section

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Martin Kennedy 2025-03-30 15:38:24 -04:00
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Midterm.md
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@ -1,4 +1,8 @@
# Fun with Signals
# Audio Visualization for less than $10!
## TODO: introduction
## TODO: Block diagram
## Input signal: ["Line level"](https://en.wikipedia.org/wiki/Line_level)
@ -107,20 +111,19 @@ For example, $G_2 = 440 \times 2^{\left(\frac{-26}{12}\right)} \approx 98 \ \tex
- How precise should I be?
<details> Because of the *quality factor* ($Q$) of the band-pass
filters we're going to construct, the precision of your measurement
here is not important past the first one or two significant
figures. If you can't tell between 800 Hz and 810 Hz, don't fret
it. (Get it? Fret?) </details>
Because of the *quality factor* ($Q$) of the band-pass filters we're
going to construct, the precision of your measurement here is not
important past the first one or two significant figures. If you
can't tell between 800 Hz and 810 Hz, don't fret it. (Get it? Fret?)
#### Our values
| A440, note | Frequency, Hz | Frequency, rad./s |
|-----------|---------------|-------------------|
| $G_4$ | 392 | 2463 |
| $G_2$ | 98 | |
| $G_8$ | 5588 | 35108 |
|------------|---------------|-------------------|
| $G_2$ | 98 | 616 |
| $G_4$ | 392 | 2463 |
| $G_8$ | 5588 | 35108 |
### An aside about the attributes of passive bandpass filters
### An aside about the attributes of (passive) bandpass filters
Band-pass filters .,.,.
TODO: Band-pass filters .,.,.