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danie10@squeet.me
Danie

Listen to the oldest known recording of a human voice from 1860 before they could even play it back

Top view of a vintage reel-to-reel tape recorder, showing the two reels.
Thomas Edison is often credited with being the first person to record sound.

But it was in fact a Frenchman named Edouard-Léon Scott de Martinville who invented sound recording via his phonautograph in 1857 – 20 years before Edison invented his phonograph.

When this was recorded, there was no known way of how to yet play back anything. It was more an experiment to try to replicate how the human ear works. With today’s technology, though, we can reverse engineer that to reproduce the sound.

This is a 164-year-old recording, many generations ago. Technology itself was still in the era of steam power. Radio, phonographs, gramophones, etc were still a long way away from being invented.

See youtube.com/watch?v=ICVtdcIIsr…
#Blog, #audio, #technology, #vintage

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danie10@squeet.me
Danie

Samsung Dual Audio: What it is and how to use it

Rear side of a smartphone with three round camera lenses. On either side are seen two pairs of speakers, each with a large bass woofer and one small treble woofer above it.
Most Android phones can connect and stream audio to one Bluetooth device. But there may be situations where you may want to stream to multiple devices instead. For example, you own a pair of portable Bluetooth speakers that can’t be paired in stereo mode but would prefer the audio to be louder. Another example would be if you wanted to use your earphones and speakers simultaneously. You can accomplish all this with Samsung’s Dual Audio feature. It allows you to stream audio to two Bluetooth devices without switching.

Dual Audio and Multipoint audio are two different features. Dual Audio streams audio to two earphones or speakers simultaneously. Multipoint audio is available on the best wireless earbuds, which allows them to connect to two devices and switch between them seamlessly. For example, you can connect your Pixel Buds Pro to your phone and laptop and move between the two devices without issues.

See androidpolice.com/what-is-sams…
#Blog, #audio, #samsung, #technology

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