this post was submitted on 03 Oct 2023
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if you could standardise a file format for a specific task what would you pick and why (lemmy.ml)
submitted 1 year ago* (last edited 1 year ago) by jackpot@lemmy.ml to c/linux@lemmy.ml
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if you could pick a standard format for a purpose what would it be and why?

e.g. flac for lossless audio because...

(yes you can add new categories)

summary:

  1. photos .jxl
  2. open domain image data .exr
  3. videos .av1
  4. lossless audio .flac
  5. lossy audio .opus
  6. subtitles srt/ass
  7. fonts .otf
  8. container mkv (doesnt contain .jxl)
  9. plain text utf-8 (many also say markup but disagree on the implementation)
  10. documents .odt
  11. archive files (this one is causing a bloodbath so i picked randomly) .tar.zst
  12. configuration files toml
  13. typesetting typst
  14. interchange format .ora
  15. models .gltf / .glb
  16. daw session files .dawproject
  17. otdr measurement results .xml
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[–] barrett9h@lemmy.one 1 points 1 year ago (1 children)

because if you use a 40 kHz signal to "draw" a 10 kHz wave, the wave will have only four "pixels", so all the high frequencies have very low fidelity

[–] Supermariofan67@programming.dev 1 points 1 year ago

As long as the audio frequency is less than half the sample rate, it is a mathematical function with only one (exact) wave that is able to fit all 4 points, so it is perfectly reconstructed. This video provides a great visualization of it https://www.youtube.com/watch?v=cIQ9IXSUzuM