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Digital Video Formats – Codecs Compression and CCTV Video
Digital video, which has many formats, is a very beneficial tool. Businesses can tap into its overlooked power for Internet marketing (the process of promoting, selling, and distributing a product or service 24/7 over the Internet). There is no better way to sell in a global marketplace that is shopping around the clock than with a well-designed website that includes this beneficial tool. He is also involved in numerous litigations and is quickly found in courtrooms around the world.
In the following paragraphs, my goal is to help you understand digital video as it relates to CCTV systems and its many formats.
In its simplest terms, digital video can be defined as video that has been recorded using software and stored digitally in a computer. A CCTV system is a computer. This digitized information can be controlled from a computer and displayed directly on a computer screen.
All current digital video file formats, listed below, are based on PCM or Pulse-code modulation. PCM is a digital representation of an analog signal where the amplitude of the signal is sampled regularly at uniform intervals and then quantized into a series of symbols in digital form (usually based on binary code).
Here is a brief catalog of digital video file types so that you better understand how it is used.
CCIR 601 (or RE 601) is a file used for broadcast television stations due to analog and digital television conversion. This digital video file format converts and encodes interlaced analog video signals into digital video.
In the past, television commercials were first broadcast on analog, then digital. Today, television commercials can be distributed over wireless networks electronically using digital video technology.
Services like SpotMixer allow businesses to create their own online advertisements and run them across a plethora of media, including television and the Internet.
MPEG-4 is suitable for online distribution of large videos and videos recorded on flash memory. It is a digital format used for video iPods and uploading to YouTube and other social media networks, but keep reading.
MPEG-2 (used for DVDs) is a digital file format used to create DVDs. An MPEG-2 digital video file burned to a DVD will play the video on a DVD player and computer provided the computer has the ability to play DVDs. Some computers with older DVD technology will have difficulty playing DVDs that were burned with newer technology.
MPEG-1 is used for video CDs and was the first mass-marketed digital video format. It is rarely used today but appears occasionally. Many DVD players play MPEG-1, but not all can play this digital file format.
H.261 was the first truly practical digital video coding standard. In fact, all subsequent international encodings such as MPEG-1, H.262, MPEG-2, H.263, MPEG-4 and H.264 (MPEG-4 Part 10) have been closely based on the H.261 design. , which is now little used.
H.263 is a video codec standard originally designed as a low bit rate compressed format for video conferencing. H.263 has since found many applications on the Internet: much Flash Video content (as used on sites such as YouTube, Google Video, MySpace, etc.) is encoded in this format.
The original version of Real Video (which I recommend you avoid) was based on H.263 until the release of Real Video 8. In other words, I am talking about H.263 so you can see the legacy.
H.264, also known as MPEG-4 Part 10 or AVC, is the next enhanced codec developed for sharing digital video over the Internet. H.264 provides a significant improvement in capability beyond H.263. The H.263 standard is now considered primarily a legacy design (although it is a recent development).
Most new video conferencing products now include H.264 capabilities as well as H.263 and H.261. Primeau Productions uses H 264 digital video in a Quicktime format to send to webmasters for Flash video encoding on client websites.
Here’s the gist: The above files are created using computers, including CCTV systems, and can be viewed with video editing software and digital video file converters.
H.264 technology is an excellent starting file format for creating Flash video. Video editing software can produce different sizes of H.264 and can be used in several ways:
1. A source digital video file to create a Flash video for your website
2. A digital video file that can be emailed
3. A digital video file that can be uploaded to social networks such as YouTube, Yahoo and Viemo
4. To display converted CCTV video codec in court
Flash video is a web-based digital video player. It is cross-platform, which is why I recommend using it for delivering digital video content on your website.
Although many editing programs like Final Cut, Vegas, and Premiere are able to export finished video productions to Flash video (.FLV), creating a complete Flash video is not limited to the video file.
When a digital video file is created as an H.264 (encoded to specs under 10 minutes and 1 GB) and uploaded to YouTube, Yahoo, MetaCafe, and Viemo, the H.264 file is converted to Flash video during the process download.
Many services that publish PR videos on their websites now only accept Flash Video (.FLV) files. HTML 5 is out and nearly takes over Flash, but it still has a ways to go.
If you want to publish a Flash video on your website, here are the components you need besides the .FLV video file:
1. The .html part – the html web page that loads the flash player
2. Part.swf – compiled flash file for web (contains flash video player)
3. Part.flv – the actual video file for the flash player
Non-video production-based software created by Adobe called Flash is used to create graphics and videos for websites.
Flash Video is a file format used to deliver videos over the Internet using Adobe Flash Player. The format has quickly established itself as the format of choice for embedded video on the web. Notable users of Flash Video format include YouTube, Google Video, Yahoo, MetaCafe, Viemo, Reuters.com and many other information providers.
Flash Video is viewable on most operating systems, through the widely available Adobe Flash Player.
Finally, standardized Theora is still in development and not widely used, but is still worth mentioning to complete your understanding of the various file formats available today.
It is important to understand file formats and the multiple uses of digital video.
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