Freevideoworkshop provides tech explainer articles, tutorials and guides for beginners.

How is Analog Video Created?

<h1>How is Analog Video Created&quest;<&sol;h1>&NewLine;<p>Analog video is created when a video camera  records continuous  red&comma; green and red light patterns&period;&comma; resulting in a waveform&period;  &period;<&sol;p>&NewLine;<h3><strong>How Analog Video is Captured in a Video Camera<&sol;strong><&sol;h3>&NewLine;<p>When light enters the camcorder lens&comma; it hits the <a href&equals;”http&colon;&sol;&sol;www&period;freevideoworkshop&period;com&sol;2017&sol;10&sol;difference-between-ccd-and-cmos&period;html&sol;amp”>image sensor chip<&sol;a>&comma; creating an electrical charge&period;<&sol;p>&NewLine;<p>The stronger the light&comma; the more powerful […]

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Don’t Understand what a Video Codec Is? Types of Codecs Explained with Examples

<p class&equals;”wp-block-paragraph”>According to the book <em>Emerging Research on Networked Multimedia Communication Systems<&sol;em> by Dimitris Kanellopoulos&comma; &OpenCurlyDoubleQuote;A video codec is a hardware device or software&comma; which enables compression or decompression of digital video&period;”<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Basically&comma; it takes a<strong> big video<&sol;strong> file and squeezes it into a <strong>smaller file size<&sol;strong> while keeping the original <strong>quality<&sol;strong> as much as possible&period; […]

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What’s the Difference Between a Video Container and a Video Codec?

<h2 class&equals;”wp-block-heading”>Clearing&nbsp&semi; the Container-Codec Confusion<&sol;h2>&NewLine;<p class&equals;”wp-block-paragraph”>More often than not&comma; beginners exploring digital video tend to be confused with the difference between a <strong>video container<&sol;strong> and a <strong>video codec<&sol;strong>&period;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Here&&num;8217&semi;s a quick explanation to clear the air&period;<&sol;p>&NewLine;<h3 class&equals;”wp-block-heading”><strong>Video Container is a Codec Storage House<&sol;strong><&sol;h3>&NewLine;<p class&equals;”wp-block-paragraph”>A video container is also called a <strong>video wrapper<&sol;strong>&period; And inside the […]

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How to Extract Audio from Video : Video to MP3 Free Tool Guide

<h1>Video To MP3 with Top Free Software and Tools<&sol;h1>&NewLine;<p>This is a quick guide on how to convert video to MP3 audio without paying for software&period;<&sol;p>&NewLine;<h2><b>Why Convert Video to MP3&quest;<&sol;b><&sol;h2>&NewLine;<h3>To Extract Educational Audio Content<&sol;h3>&NewLine;<blockquote><p>Sometimes the best audio would be contained in a video&period; For example if there&&num;8217&semi;s a good learning video where the visuals pretty much […]

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NVR vs DVR: Which is Better?

<p class&equals;”wp-block-paragraph”>When installing a video surveillance system&comma; there&&num;8217&semi;s a need to choose a video recorder that captures and stores footage from the camera&period;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>You&&num;8217&semi;ll be presented with two options &&num;8211&semi; a <strong>Network Video Recorder<&sol;strong> &lpar;NVR&rpar; and a <strong>Digital Video Recorder<&sol;strong> &lpar;DVR&rpar;&period;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Understanding the difference between the two will ensure that you get the security equipment […]

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What’s the difference between 1080i Video and 1080p Video?

<p class&equals;”wp-block-paragraph”><strong>Updated June 2020<&sol;strong><&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Generally&comma; there&&num;8217&semi;s no difference between 1080i and 1080p&period; Both have the same resolution in terms of pixels &&num;8211&semi; 1920 x 1080&period; <&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>The difference between 1080i and 1080p is in the scan type each uses&period; 1080i uses interlaced scanning to display pictures while 1080p uses progressive scanning&period; <&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>You may have […]

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What is Video Bitrate? Why Should You Understand It?

<p class&equals;”wp-block-paragraph”>To put it simply&comma; video bitrate is the amount of <strong>data contained in a video for every second<&sol;strong> it is transmitted&period;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>In other words&comma; it is the number of <strong>bits processed in a second<&sol;strong>&period; So&comma; bitrate can simply be regarded as data rate&period; <&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Every <strong>8 bits<&sol;strong> represent <strong>1 byte&period;<&sol;strong><&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”><strong>8 bits &equals; 1 […]

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Why Choose IP Wireless Security Cameras? Top Benefits

<p><span style&equals;”font-weight&colon; 400&semi;”>When they were first introduced&period;&comma; they weren’t that popular&comma; owing to their prohibitive cost and inferior image quality&period;<&sol;span><&sol;p>&NewLine;<p><span style&equals;”font-weight&colon; 400&semi;”>With technology advancement &comma; wireless CCTV cameras have seen superior image quality and their cost have correspondingly dropped to affordable levels&period; <&sol;span><&sol;p>&NewLine;<p><span style&equals;”font-weight&colon; 400&semi;”> It’s predicted that one day they would be the preferred […]

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Digital8 Wiki : Why Digital8 Camcorders are Still Useful

<p class&equals;”wp-block-paragraph”><em><strong>Updated 16&period;7&period;2021<&sol;strong><&sol;em><&sol;p>&NewLine;<h2 class&equals;”wp-block-heading” id&equals;”h-digital8-1999-2007″>Digital8 &lpar;1999 – 2007&rpar;<&sol;h2>&NewLine;<p class&equals;”wp-block-paragraph”>The Digital8  &lpar;D8&rpar; was a digital camcorder format introduced by Sony in 1999&period; Two Digital8 models were launched in March of that year&comma; according to a press statement released by Sony on January 7&comma; 1999&period;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Digital8 is the third and final 8mm video format introduced by Sony&period;<&sol;p>&NewLine;<p […]

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What’s the Difference Between CCD and CMOS Image Quality?

<p class&equals;”wp-block-paragraph”><strong><em>Updated 18&period;9&period;2021<&sol;em><&sol;strong><&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>Image sensors in video cameras are of two types&colon;<&sol;p>&NewLine;<ul class&equals;”wp-block-list”>&NewLine;<li>&nbsp&semi;&nbsp&semi;&nbsp&semi; CCD &lpar;Charged Coupled Device&rpar;&period;<&sol;li>&NewLine;<li>&nbsp&semi;&nbsp&semi;&nbsp&semi; CMOS &lpar;Complementary Metal Oxide Semiconductor&rpar;<&sol;li>&NewLine;<&sol;ul>&NewLine;<p class&equals;”wp-block-paragraph”>What’s the difference between CCD and CMOS&quest;<&sol;p>&NewLine;<p class&equals;”wp-block-paragraph”>If you&&num;8217&semi;re new to the image sensor game&comma; it&&num;8217&semi;s important to understand how an image sensor works before learning the difference between CCD and CMOS&period; <&sol;p>&NewLine;<ol […]

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