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@kexpmusicbot@mastodonapp.uk
2025-11-24 06:41:20

🇺🇦 #NowPlaying on KEXP's #Expansions
Rare0000:
🎵 Clutch
#Rare0000
10-60-hz.bandcamp.com/track/cl
open.spotify.com/track/5RcAQBI

@adlerweb@social.adlerweb.info
2025-10-25 11:07:38

Mal weiter an der Netzfrequenzauswertung gebastelt. Kann jetzt sogar mal Diagramme bei Sollwertabweichungen.
#Netzfrequenz

Diagramm "Frequenzverlauf ± 5 min um den Trigger, min: 49.889Hz, 2025-10-25 11:01:20"
Y: Frequenz (Hz) zwischen 50.02 und 49.8
X: Zeit. Start und Ende nicht erkennbar, vermutlich 10:55-11:10
Grüne Linie bei 50Hz mit leichter Schattierung ±0.01Hz
Gelbe Linie bei 49.9Hz "Trigger Start"
Blaue Linie Frequenz (Geglättet, Window=3)
Start zwischen 49.99 und 50.02Hz. Kurz von 11:00 sinkend auf 49.98Hz, gegen 11:00 weiter sinkend unter 49.9Hz. Beim ersten unterschreiten rot gestrichelte Linie auf Y-Achs…
@malik@Mastodon.Social
2025-11-14 00:24:58

Neu auf der #Wunschliste: amazon.de/hz/wishlist/ls/3HYT6
Trinkflasche für die Bühne,
11,18 €, Bis zu 3 Stück machen Sinn.…

@penguin42@mastodon.org.uk
2026-01-18 18:13:34

Continuing in the process of measuring the speed of my turntable in the oddest way; here is the FFT before and after oiling & replacing it's belt. Hmm, it's clearly a bit fast before and a bit slow after; it's not got any speed adjustment mechanism, it's a belt on an AC driven motor.
This FFT and plot was done using #labplot using the waveforms gathered by

A set of 4 graphs, labelled Pre oil 1, Pre oil2, Post Oil1, Post oil2, with a horizontal axis of frequency, peaking at about 35Hz, a marker line at 35.55 Hz shows the pre are just faster, and the post a bit slower.
@gray17@mastodon.social
2025-12-16 18:28:01

today's soundtrack
song.link/us/i/267059466

@azonenberg@ioc.exchange
2026-01-14 21:58:58

Is there a name for a number representation system where you store an exponent for an entire dataset, then a mantissa for each value?
So you might have e.g. units=Hz, scale factor=1e6, values=A....Z (measured in MHz)

@Ruhrnalist@mastodon.social
2025-11-14 08:18:25

Ich rüste meinen Schnittplatz auf. Kommt unter den Schreibtisch, weil ich die Töne, die da rauskommen, ohnehin nicht hören will. Nicht, dass knackige Bässe nicht geil sein können. Aber bei Interviews und den meisten Atmos ist auf Frequenzen unter 100 Hz meist nur noch akustischer Müll zu hören, die mit ihren Oberwellen den wichtigen Sprachbereich (Grundton der Stimme) verschmutzen. Also: wenn diese Membran künftig vibriert, werde ich handeln.

Bild und Text: Aktiver Subwoofer (Subwoofer, Schwarz)
@qurlyjoe@mstdn.social
2026-01-12 22:23:36

This looks like a potential money maker for marketing to #boomers. I am one myself, and #dementia is my number one fear. Just gin up a little gizmo that generates a 40 Hz tone that I can plug into my hearing aids, or generic ear buds. Who cares if it works, you’ll make millions overnight.

@compfu@mograph.social
2025-11-15 07:28:14

Cool projection/tracking system Panasonic!
docs.connect.panasonic.com/pro
(via @…

@Techmeme@techhub.social
2026-01-06 18:40:41

Nvidia brings its G-Sync Pulsar tech to four monitors, which reduces motion blur by using a "rolling scan" scheme that briefly pulses the monitors' backlight (Kyle Orland/Ars Technica)
arstechnica.com/gaming/2026/01

@jkohlmann@mastodon.social
2026-01-08 22:42:08

Two things:
1. Gran Turismo 7 on PS5 Pro with 120 Hz output on, PSSR off, and a wired controller (set to communicate over USB in system settings) is a sublime input latency best case scenario
2. Seems I played ~800 hours of GT7 without knowing how to brake properly 🥴 (too much E-brake, for one)

@tinoeberl@mastodon.online
2025-12-04 18:19:36

Entlang der A7 bei #Eselsburg entsteht derzeit ein neuer #Solarpark von E.ON auf fünf Hektar Fläche.
Die Inbetriebnahme ist bis Ende 2025 geplant. Mit bis zu 5,9 Millionen Kilowattstunden jährlich kann er rund 2.350 Personen mit

@fanf@mendeddrum.org
2025-12-06 00:48:04

when he casually demonstrates counting in binary by tapping his fingers at several Hz (8m45s)
youtu.be/S-2adBkW7Xo
and later on when he’s toggling in the program, i can tell he’s using his musician skills

@azonenberg@ioc.exchange
2026-01-03 14:32:32

As promised: quick demo of ngscopeclient running CDR eye pattern on >800 Msps (2x 50M points @ 8.2 Hz) of live streaming waveform data on an RTX 2080 Ti.
youtube.com/watch?v=r6uPpITsyhQ

@jkohlmann@mastodon.social
2026-01-02 05:10:46

Cannot believe how responsive Gran Turismo 7 feels to play with a DualSense controller connected via USB cable and 120 Hz mode enabled with VRR. At least for my reflexes and TV, it allows for much tighter maneuvering. #PlayStation5 #GranTurismo7

@azonenberg@ioc.exchange
2026-01-03 09:49:35

I'm going to have to screen record this, I can't believe I got it working this well.
2x 50M point differential Ethernet waveform into subtract filter, CDR, and eye pattern.
Refreshing at 8.3 Hz. With just a little bit more optimization or faster hardware this will be real time.
Then I can start working on getting protocol decodes to run at full rate too.

ngscopeclient displaying a MLT-3 eye pattern and filter graph
@azonenberg@ioc.exchange
2025-12-30 09:58:33

Experimental credit based flow control in TS.NET plus ngscopeclient for reduced buffer bloat and much better performance over LANs.
This is 2x 50M points (100M points per trigger) updating at around 8.3-8.5 Hz over 10/40GbE.
The TS.NET side of this isn't merged and there's still some bugs to chase but it's looking *really* good.

ngscopeclient displaying a very zoomed out waveform with trigger rate counter showing 8.3 WFM/s
@azonenberg@ioc.exchange
2025-12-29 18:42:10

There's still room to tune - shallow memory throughput is definitely suboptimal due to latency issues I need to chase - but with deep memory ngscopeclient ThunderScope is getting some pretty impressive performance.
2 channels @ 50M point memory depth (100M points per trigger) streaming at 7.5 WFM/s over LAN from across the building through a router. 40Gbase-SR4 from client to core switch and from core switch to router, then back to core switch, then 10Gbase-SR to the machine host…

Screenshot of ngscopeclient displaying 50M points of data from two channels as a time domain waveform, FFT, and waterfall updating at 7.5 Hz
Filter graph showing the subtract, FFT, and waterfall filters each completing in single digit milliseconds on the GPU