Streaming Music to Cassette
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Streaming Music to Cassette
In almost every measurable way, a lossless digital audio file is superior to any analog media. This doesn’t mean that analog audio isn’t valuable though; plenty of people appreciate the compression, ambiance, and other side-effects of listening to a vinyl record or a cassette tape despite the technical limitations. To combine the audio technology of the modern world with these pleasant effects of old analog media, [Julius] built a cassette-based media streamer.
The music playback device takes input from a Bluetooth stream of some sort, converts the digital stream to analog, combines the stereo signal into a mono signal, and then records it to a cassette tape. The tape is then looped through to a playback device which outputs the sound to a single speaker. This has the effect of functioning as a tape delay device, and [Julius] did add input and output jacks to use it as such, but in its default state it has the effect of taking modern streaming through a real analog device and adding the compression and saturation that cassette tapes are known for.
The design of the device is impressive as well, showing off the tape loop and cassette front-and-center with a fluorescent vu meter on the side and a metal case. Getting all of this to work well together wasn’t entirely smooth, either, as [Julius] had to sort out a number of issues with the electronics to keep various electric noises out of the audio signal. Retro analog music players are having a bit of a resurgence right now, whether that’s as a revolt against licensed streaming services or as a way to experience music in unique ways, and our own [Kristina Panos] recently went down an interesting rabbit hole with one specific type of retro audio player.
youtube.com/embed/9MjZH790E20?…
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looks like the bottom of the fridge is making that 60-ish sound and the top is more of a 190-ish? the spectrum plot shows early peaks at 186 and 339 near the end of the audio track
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The Birotary Engine Explained
Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single engine design. The resulting birotary engine comes courtesy of Czech company [Knob Engines] which makes their special engine for the aviation market. The workings of this engine and why it makes perfect sense for smaller airplanes is explained by [driving 4 answers] in a recent video.
Naturally, it’s at best confusing to call an engine a “rotary”, as this covers many types of engines. One could consider the birotary engine perhaps a cross between the traditional rotary piston engines that powered early aircraft and the Wankel rotary engines that would appear much later. The fact that both the housing and the crankshaft rotate reinforces this notion of a piston rotary, while it keeps the fixed ports and glow plugs on the housing that is typical of a Wankel-style engine. Having both the housing and crankshaft rotate is also why it’s called the ‘birotary’.
The claimed benefits of this design include a small size, low vibrations, reduced gyroscopic effect due to counter-rotation, no apex seals, and less mechanically complex than a piston engine. This comes at the cost of a very short stroke length and thus the need for a relatively high RPM and slow transition between power output levels, but those disadvantages are why small airplanes and UAVs are being targeted.
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it might actually be coming from higher up near the freezer, actually
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@AleF2050 it crawls sources that are often ignored by Google or Bing in favour of big content outlets like Medium, or full fledged publishers. Actually you will find more "small web" results, archives from museums or scientific research. Not sure about results for the topics you prefer: probably you will find less "official" information and more personal opinions and fandom.
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Ooh, there's a `wineconsole` command. You can directly run yer Windows/DOS CLI apps and whatnot. (I can't seem to cross compile anything that actually works in Windows or Wine, but when I finally do, it's gonna be real nice.)
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@francina1909 @perry tipo P-chan con Akane su Ranma 1/2... :D
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Dici che se i palestinesi o gli ucraini o uno qualsiasi dei popoli che vivono sotto le bombe avessero fatto più interventi nelle scuole oggi vivrebbero un presente migliore?
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Forest
Classic landscaping
Watercolor
Cotton paper
#art #watercolor #landscape #trees #mastoArt
