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  2. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...

  3. The Tula is a stylish portable audio recorder with AI noise ...

    www.engadget.com/tula-usb-c-microphone-portable...

    The Tula is different: it's a surprisingly flexible portable recorder that promises quality audio and clever features for $199. The first thing you'll notice about the Tula is its design -- while ...

  4. Wire recording - Wikipedia

    en.wikipedia.org/wiki/Wire_recording

    Wire recording, also known as magnetic wire recording, was the first magnetic recording technology, an analog type of audio storage. It recorded sound signals on a thin steel wire using varying levels of magnetization. [ 1][ 2] The first crude magnetic recorder was invented in 1898 by Valdemar Poulsen. The first magnetic recorder to be made ...

  5. Tula Mic portable USB-C microphone review - TechCrunch

    techcrunch.com/2021/01/26/the-tula-mic-is-a...

    Tula Mic is both a USB-C microphone input for computers and mobile devices, and also a dedicated recorder that has built-in storage and its own battery that can provide up to 14 hours of ...

  6. Nagra - Wikipedia

    en.wikipedia.org/wiki/Nagra

    Nagra. Nagra is a brand of portable audio recorders produced from 1951 in Switzerland. Beginning in 1997 a range of high-end equipment aimed at the audiophile community was introduced, and Nagra expanded the company's product lines into new markets.

  7. MiCreator Studio hands-on: A $199 portable recording studio ...

    www.engadget.com/micreator-studio-hands-on-a-199...

    It can be a high-quality go-anywhere podcast studio. Or be the primary way a band records new material while they're out on tour. $199 at B&H. Austrian Audio's MiCreator Studio is a excellent ...

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