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2. The tiny voice-activated spy recorder Amazon shoppers love is ...

   www.aol.com/news/tiny-voice-activated-spy...

   That being said, there are plenty of times when a covert audio recorder can come in … The post The tiny voice-activated spy recorder Amazon shoppers love is down to $54 appeared first on BGR.

3. Covert listening device - Wikipedia

   en.wikipedia.org/wiki/Covert_listening_device

   A laser microphone can be used to reconstruct audio from a laser beam shot onto an object in a room, or the glass pane of a window. Researchers have also prototyped a method for reconstructing audio from video of thin objects that can pick up sound vibrations, such as a houseplant or bag of potato chips. [18]

4. Voice-operated switch - Wikipedia

   en.wikipedia.org/wiki/Voice-operated_switch

   It is used instead of a push-to-talk button on transmitters or to save storage space on recording devices. On cell phones, it is used to save battery life. Intercom systems that use a speaker in a room as both a speaker and a microphone will often use VOX on the main console to switch the audio direction during a conversation.

5. The Thing (listening device) - Wikipedia

   en.wikipedia.org/wiki/The_Thing_(listening_device)

   The device, embedded in a carved wooden plaque of the Great Seal of the United States, was used by the Soviet government to spy on the US. On August 4, 1945, several weeks before the end of World War II , a delegation from the Young Pioneer Organization of the Soviet Union presented the bugged carving to Ambassador Harriman, as a "gesture of ...

6. Nest Home Security Devices Have a Hidden Microphone ... - AOL

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7. Talkboy - Wikipedia

   en.wikipedia.org/wiki/Talkboy

   Talkboy is a line of handheld voice recorder and sound novelty toys manufactured by Tiger Electronics in the 1990s. [1] The brand began as a result of a promotional tie-in with the 1992 film Home Alone 2: Lost in New York; the most well-known product was the Deluxe Talkboy, a cassette recorder and player with a variable-speed voice changer that caused toy crazes over several holiday shopping ...