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2. Videotelephony - Wikipedia

   en.wikipedia.org/wiki/Videotelephony

   Popular corporate video-conferencing systems in the present day have migrated almost exclusively to digital ISDN and IP transmission modes due to the need to convey the very large amounts of data generated by their cameras and microphones. These systems are often intended for use in conference mode, that is by many people in several different ...

3. Wireless conference system - Wikipedia

   en.wikipedia.org/wiki/Wireless_conference_system

   2021 wireless paperless conference system The wireless communication system first used a digital modulating signal based on infrared ray, which is evolved from IR interpretation system. Secondly, the technique applied in wireless conference system is 2.4 GHz modulating signal, which support more stable communication and avoid environment ...

4. Wireless microphone - Wikipedia

   en.wikipedia.org/wiki/Wireless_microphone

   A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

5. Owl Labs - Wikipedia

   en.wikipedia.org/wiki/Owl_Labs

   In 2023, Owl Labs launched "Owl Bar", [14] a front-of-room camera, microphone and speaker video conferencing device that seamlessly connects with a 360-degree camera and audio device. Owl Labs was recognized by the New England Venture Capital Association with a NEVY Award for "Hottest Tech Startup".

6. 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.

7. Solaborate - Wikipedia

   en.wikipedia.org/wiki/Solaborate

   In July 2016, Solaborate launched a Kickstarter campaign for HELLO 1. HELLO is a voice controlled device that can be used for video conferencing, wireless screensharing, live broadcasting, and security surveillance. [2] The device runs on Android and is engineered with an array of four smart microphones, a 4K video sensor and quad-core processor.