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erdewit

HN member
Joined
Mon, Feb 11, 2013, 11:33 AM UTC
HN karma
420
Public activity
98 items

About erdewit

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Recent public activity

  1. comment
    Comment #35110757

    Isn't this what's used for military applications like AESA radars? If so how come it's open source?

  2. comment
    Comment #34937164

    > If I had a pair of decent speakers and a microphone hooked up to my PC, how would I go about "tuning" the speakers? Blatant plug: https://github.com/erdewit/HiFiScan

  3. comment
    Comment #34723082

    How the Germans during their Afrika campaign discovered this bacterium to treat dysentery, which was killing more soldiers then the British troops did.

  4. story
  5. comment
    Comment #34557732

    Elemental iodine in solution with iodide forms tri-iodide, which is perfectly fine to consume. This is what Lugol's solution is and it has an unlimited shelf life.

  6. comment
    Comment #34197295

    I use root to force a 44.1 kHz sample rate for the audio to avoid resampling of my lossless music, which is all in 44.1 kHz. The difference is noticeable even over Bluetooth with a…

  7. comment
    Comment #34136511

    For Linux the list is here: https://git.kernel.org/pub/scm/linux/kernel/git/sforshee/wir... It also shows the maximum power (in mW or dB) for the channels, which is also key to get…

  8. comment
    Comment #33668455

    > Does this work in encoded videos? For older encodings such as MPEG2, as used in DVDs, it does work. For newer codecs with higher compression I can't extract a heartbeat signal an…

  9. comment
    Comment #32801334

    > because a phase-neutral response created in a room is only valid in one point of the room Author here. The term "phase-neutral" simply means here that the impulse response is sym…

  10. comment
    Comment #32799906

    This is dealt with by smoothing the spectrum in a way to preserves the power density. The constructive and destructive interference then cancel each other out.

  11. story
  12. comment
    Comment #32722394

    My router uses 8 Watt from the mains, regardless of how much traffic it's handling. It also has an ECO mode that doesn't actually lower the power consumption.

  13. comment
    Comment #32378255

    When playing FLAC music over aptX HD, the next step for improvement is to avoid any resampling. The music is generally at 44.1 kHz and the default for Android is 48 kHz. It require…

  14. comment
    Comment #32309742

    For example, the entire entry for "mass formation" was deleted. The Dutch version still exists: https://nl.wikipedia.org/wiki/Massavorming

  15. comment
    Comment #32034679

    The first 16 GB will still be dual-channel, only the remainder will be single-channel (flex mode).

  16. comment
    Comment #31923248

    What makes Bitcoin a commodity is that nobody can issue more Bitcoin, other then from mining, just like with physical commodities. The market can still be manipulated by the big pl…

  17. comment
    Comment #31892260

    Is the TaskGroup really in the 3.11 release though? It's not to be found anywhere in the Python documentation or release notes: https://docs.python.org/3.11/whatsnew/3.11.html It h…

  18. comment
    Comment #31138921

    On the photo of the Moskva I can't really see a missile impact.

  19. comment
    Comment #30853133

    It's that the array access of numpy is surprisingly slow compared to a Python list: lst = [0] %timeit lst[0] = 1 33.9 ns ± 0.0415 ns per loop (mean ± std. dev. of 7 runs, 10000000 …

  20. comment
    Comment #30598408

    With that much LED light I would be concerned about the high blue peak around 450 nm, it's damaging the retina. https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC5313540/ https://d…

  21. comment
    Comment #30514527

    Another great option is to mount the remote file system with SSHFS.

  22. comment
    Comment #30439283

    Other lossy compression methods generally happen in the frequency domain and, depending on the type of music, can introduce audible distortions. This preprocessor on the other hand…

  23. comment
    Comment #29771190

    Here in the Netherlands there's also a sharp increase in the excess mortality that can't be explained by COVID deaths. https://www.rivm.nl/monitoring-sterftecijfers-nederland

  24. comment
    Comment #29748601

    Aptx is actually pretty good, certainly for ear pods. It's a time-domain codec which is great for acoustical instruments (the frequency-domain codecs can fail there, AAC too). The …

  25. comment
    Comment #29635559

    A key feature of Kodi for me is that it syncs the TV frame rate to the video that is playing. I don't know any other players on Linux that do that.