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  2. Closed-circuit television camera - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television...

    IP cameras or network cameras are digital video cameras, plus an embedded video server having an IP address, capable of streaming the video (and sometimes, even audio). [3] Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television 'CCTV' analogue cameras are ...

  3. Comparison of analog and digital recording - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_analog_and...

    Early digital audio machines had disappointing results, with digital converters introducing errors that the ear could detect. [36] Record companies released their first LPs based on digital audio masters in the late 1970s. CDs became available in the early 1980s. At this time analog sound reproduction was a mature technology.

  4. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.

  5. Nokia OZO - Wikipedia

    en.wikipedia.org/wiki/Nokia_OZO

    The OZO camera was made of aluminum alloy and contained eight lenses and microphones which combined record stereoscopic (3D) 360-degree video and audio. The audio recording technology in the OZO camera was OZO Audio. Each lens had a 195-degree field of view, shooting at 30 frames per second. [7]

  6. Comparison of video codecs - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video_codecs

    MSU MPEG-4 codecs comparison Objective comparison of MPEG-4 codecs 2005 Mar. DivX 5.2.1, DivX 4.12, DivX 3.22, MS MPEG-4 3688 v3, XviD 1.0.3, 3ivx D4 4.5.1, OpenDivX 0.3 Different versions of DivX were also compared. The Xvid results may be erroneous, as deblocking was disabled for it while used for DivX. Subjective Comparison of Modern Video ...

  7. Somalia security cameras aim to cut al Shabaab attacks but ...

    www.aol.com/news/somalia-security-cameras-aim...

    Thousands of security cameras have been installed across Somalia's capital to monitor the movement of al Shabaab militants and reassure residents, but they have also made business owners fearful ...

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