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fix typo in Talking LEDs

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jessstringham committed Nov 28, 2016
1 parent cd4a1c2 commit 1c2ee2f1b15b6cc9a15945be2994d8f377f0ad4c
Showing with 6 additions and 2 deletions.
  1. +6 −2 2016-11-07-raspberry-pi-talking-led.md
@@ -138,7 +138,7 @@ imagine it as something like this:

![equally spaced samples]({{ site.url }}/assets/2016-11-07-pixels.png)

There's only one highlighted point per row, and the point might be
There's only one highlighted point per column, and the point might be
rounded up or down (I think this is quantization). Then I can
represent this whole wave form in a list of numbers, like
`[4, 1, 0, 2, 6, 7, 4, 1, 0, 2, 6, 7, 4, 1, 0, 2]`
@@ -232,8 +232,12 @@ And it kind of looked okay! The light blinked along with the sound!
And I learned a tiny, tiny bit about audio file formats.


# See Also
## See Also
* [PyAudio](http://people.csail.mit.edu/hubert/pyaudio/) and [PortAudio](http://www.portaudio.com)
* Spoilers about my project can be found on my [github](https://github.com/jessstringham)
* This is a more legit: [3D Spectrum Analyser](https://www.youtube.com/watch?v=Vn39txtVIHc)
* Speaking of codecs, here's a cool post about [H.264](https://sidbala.com/h-264-is-magic/)

#### Edits

* 2016-11-27: changed 'one highlighted point per row' to 'one highlighted point per column'.

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