Bot-free is not the same as local
Most notetakers that promise no bot still upload your call. Here are the three places audio leaves the machine, and a two-minute test that settles which one you are using.
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How this thing is built
Notes from building an AI notetaker that never sends your audio anywhere. Mostly macOS internals, on-device models, and the parts that broke.
Does Zoom tell people you are recording?
Zoom's own recording always shows, in three places at once. Recording the audio on your own machine does not. Here is what each one does, and where consent law actually lands.
How to record both sides of a call on a Mac
QuickTime and the Screenshot toolbar only capture your microphone. Here are the three ways to get the other side as well, and why two separate tracks beat one mixed file.
Recording the other side of a call on macOS, without a bot
How Core Audio process taps let a Mac app capture system audio, the aggregate-device dance around them, and four things that broke on the way.