blog

commit

fb7432abd229e95fc2aea60ebe2fff6f83ddf9cc

parent

825a058159752be2746a81fb10e1d4c399106313

Author

Tobias Bengfort <tobias.bengfort@posteo.de>

Date

2026-04-20 16:30

tweaks

Diffstat

6 files changed, 16 insertions, 15 deletions

diff --git a/_content/posts/2022-12-03-my-window-manager-setup/index.md b/_content/posts/2022-12-03-my-window-manager-setup/index.md

@@ -112,7 +112,7 @@ also has its flaws:
  112   112 
  113   113 -   When I switch to a maximized window and then want to go back to the
  114   114     side-by-side view, I have to raise both windows.
  115    -1 -   It is not always clear which of the two windows has focus.
   -1   115 -   It is not always obvious which of the two windows has focus.
  116   116 -   The approach is quite limited.
  117   117 
  118   118 Tiling window managers could provide more flexibility here. For maximized and

diff --git a/_content/posts/2023-01-29-python-async-loops/index.md b/_content/posts/2023-01-29-python-async-loops/index.md

@@ -1,7 +1,7 @@
    1     1 ---
    2     2 title: Eight different ways to implement an asyncronous loop in python
    3     3 date: 2023-01-29
    4    -1 tags: [code, python, linux]
   -1     4 tags: [code, python, linux, async]
    5     5 description: Each time I have to work with asyncio I get frustrated. I find myself longing for the simplicity of callbacks in JavaScript. But maybe I just don't understand asyncio properly yet.
    6     6 ---
    7     7 

diff --git a/_content/posts/2023-10-29-jmap-calendars/index.md b/_content/posts/2023-10-29-jmap-calendars/index.md

@@ -104,11 +104,11 @@ done that work.
  104   104 
  105   105 ## The new thing: JMAP Calendars
  106   106 
  107    -1 [JMAP Calendars](https://jmap.io/spec-calendars.html) is a draft spec to send
  108    -1 events in JSCalendar format
   -1   107 [JMAP Calendars](https://datatracker.ietf.org/doc/draft-ietf-jmap-calendars/)
   -1   108 is a draft spec to send events in JSCalendar format
  109   109 ([RFC 8984](https://www.rfc-editor.org/rfc/rfc8984)) over JMAP
  110    -1 ([RFC 8620](https://www.rfc-editor.org/rfc/rfc8620)), which in turn is an
  111    -1 RPC protocol based on HTTP and JSON. Here is an example request from the spec:
   -1   110 ([RFC 8620](https://www.rfc-editor.org/rfc/rfc8620)), which in turn is an RPC
   -1   111 protocol based on HTTP and JSON. Here is an example request from the spec:
  112   112 
  113   113 ```json
  114   114 [

diff --git a/_content/posts/2024-08-30-datetime/index.md b/_content/posts/2024-08-30-datetime/index.md

@@ -1,7 +1,7 @@
    1     1 ---
    2     2 title: How to do arithmetic with dates and times
    3     3 date: 2024-08-30
    4    -1 tags: [code]
   -1     4 tags: [code, time]
    5     5 description: Let's look into dates and times, timezones, leap years, daylight saving time, and how to do arithmetic with all of that.
    6     6 ---
    7     7 

diff --git a/_content/posts/2025-06-23-loudness/index.md b/_content/posts/2025-06-23-loudness/index.md

@@ -63,7 +63,7 @@ but documentation and the debug experience could certainly be improved.
   63    63 
   64    64 # Reshaping curves
   65    65 
   66    -1 My first idea was to apply function directly to the audio signal. I landed on
   -1    66 My first idea was to apply a function directly to the audio signal. I landed on
   67    67 $f(x) = 1.5x - 0.5x^3$. This function is symmetric around (0, 0), boosts small
   68    68 values, and compresses larger values so the maximum value is still at 1.
   69    69 
@@ -134,10 +134,10 @@ increasing the volume.
  134   134 It is a fun exercise to apply techniques from image processing to sound or the
  135   135 other way around.
  136   136 
  137    -1 I had experimented with optimizing images by spreading each of the red, green,
  138    -1 and blue channels so that the minimum value for each is 0% and the maximum
  139    -1 value is 100%. That technique turned out useful to remove color casts from old
  140    -1 photos.
   -1   137 I had previously experimented with optimizing images by spreading each of the
   -1   138 red, green, and blue channels so that the minimum value for each is 0% and the
   -1   139 maximum value is 100%. That technique turned out useful to remove color casts
   -1   140 from old photos.
  141   141 
  142   142 To apply this technique to sound, my approach was to first do a Fourier
  143   143 transform to get the strength of each frequency, spread these strengths, and

diff --git a/_content/posts/2025-07-18-hdr/index.md b/_content/posts/2025-07-18-hdr/index.md

@@ -12,7 +12,8 @@ consumer equipment can produce something like 0.32 cd/m² to 320 cd/m². HDR
   12    12 1,000 cd/m² (see [Poynton
   13    13 (2022)](https://library.imaging.org/admin/apis/public/api/ist/website/downloadArticle/cic/30/1/6)).
   14    14 
   15    -1 I was a bit confused when people talked about HDR, until I realized that they
   -1    15 I was a bit confused when people talked about HDR, because what they were
   -1    16 talking about had little to do with brightness. But then I realized that they
   16    17 were referring to the wider goal of having more details in shadows and
   17    18 highlights. A higher dynamic range is one piece of the puzzle, but not all of
   18    19 it.
@@ -32,8 +33,8 @@ four times as many color stops.
   32    33 In SDR, black is 0% and white is 100%. HDR on the other hand makes a
   33    34 distinction between surfaces and highlights. Surface white might for example be
   34    35 defined at 90%, so that there is some headroom for highlights that are even
   35    -1 brighter. In fact, surface white on an HDR screen will in practice not be much
   36    -1 brighter than on an SDR screen.
   -1    36 brighter. In practice, surface white on an HDR screen will not be much brighter
   -1    37 than on an SDR screen.
   37    38 
   38    39 ## Wider Gamut
   39    40