absorptions
A blog about signals, programming, music, and other stuff.
- By Oona Räisänen
- Based in Finland
- Roughly two posts per year
- First post on
Posts per year
| Year starting | Posts |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 0 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 0 |
| 2023 | 1 |
| 2024 | 2 |
Any gaps could be due to errors when fetching the blog’s feed.
Most recent posts
I can't remember how I first came across these near-ultrasonic 'beacons' ubiquitous in PA systems. I might have been scrolling through the audio spectrum while waiting for the underground train; or it might have been …
Steamboat Willie (1928) was one of the earliest cartoons with synchronized sound. That is, it had post-production sound effects; this was something new and exciting. Now that the cartoon has recently entered the public domain[bbc24] …
This story, too, begins with noise. I was browsing the radio waves with a software radio, looking for mysteries to accompany my ginger tea. I had started to notice a wide-band spiky signal on a …