Viewing profile — erdewit
erdewit
HN member- Joined
- Mon, Feb 11, 2013, 11:33 AM UTC
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- 420
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- 98 items
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About erdewit
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Recent public activity
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Comment #35110757
Isn't this what's used for military applications like AESA radars? If so how come it's open source?
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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
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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.
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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.
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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…
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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…
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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…
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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…
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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.
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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.
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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…
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Comment #32309742
For example, the entire entry for "mass formation" was deleted. The Dutch version still exists: https://nl.wikipedia.org/wiki/Massavorming
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Comment #32034679
The first 16 GB will still be dual-channel, only the remainder will be single-channel (flex mode).
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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…
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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…
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Comment #31138921
On the photo of the Moskva I can't really see a missile impact.
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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 …
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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…
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Comment #30514527
Another great option is to mount the remote file system with SSHFS.
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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…
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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
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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 …
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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.