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It's one click download feature allows you to download any video online which shouldn't be allowed. It's against a lot of companies TOS such as you tube. As a result, the download button doesn't work on HTML5.

Past versions was criticized for containing spyware  and adware. Found through Richard M. smith noticed that it was sending a unique identifier to what the users were listening to.

Message center has caused controversy due to it's pop-ups.

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RealPlayer is a cross-platform media player app, it was developed by RealNetworks.
The media player is compatible with numerous container file formats of the multimedia realm, including MP3, MP4, QuickTime File Format, Windows Media format, and the proprietary RealAudio and RealVideo formats. RealPlayer is also available for other operating systems such as Linux, Unix, Palm OS as well as Windows mobile.

The engine is powered by an underlying open-source engine called Helix.

Brief History- The first version of RealPlayer was introduced in April of 1995, the name it was initially called was RealAudio Player, and was one of the first media players that was actually capable of streaming media over the internet.

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Silverlight is a cross-browser, cross-platform plug-in for delivering media and rich interactive applications for the Web.

Silverlight was Microsoft’s answer and intended competitor to Adobe Flash, which nevertheless remains the prevailing web standard for browser multimedia applications. Just as with Adobe Flash, Silverlight integrates animations, video, and interactivity into web pages.

Newest Edition-
Silverlight 5 builds on the foundation of Silverlight 4 for building business applications and premium media experiences. Silverlight 5 introduces more than 40 new features, including dramatic video quality and performance improvements as well as features that improve developer productivity.

Free to install

Compatible with Windows and Mac OS X operating systems

Silverlight is one of two application platforms for Windows Phone

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The media player is compatible with numerous container file formats of the multimedia realm, including MP3, MP4, QuickTime File Format, Windows Media format, and the proprietary RealAudio and RealVideo formats.

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When was Silverlight first released and by whom?

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When was Silverlight first released and by whom?

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September 5, 2007; 9 years ago

Microsoft Corporation

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April 1995(21 years ago) as RealAudio Player and it was developed by Real Networks. RealAudio Player was one of the first media players capable of streaming media over the internet. Real Networks, Inc. is a provider of Internet streaming media, delivery software and services based in Seattle, Washington, United States. The company also provides subscription-based online entertainment services and mobile entertainment and messaging services. Real Networks, inc. was founded by Robert Glaser, whom worked for Microsoft for 10 years beforehand and had become a millionaire due to it, allowing him to have the funds to start up the company.

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1. Allows you to share links to your downloaded videos on social media.
2.manages your files, creating albums, trim videos, saves still images from vides and can convert audio and video on over 100 major devices. Also has continous play and shuffle.
3.One click download function to download videos off the internet.
4.Auto ripping of audio.
5. Based on internet explorer which allows web browsing while playing media.
6. Has an option to stay on top at all times.
7. Allows you to record audio.
8.Allows you to convert files to different files for different forms of media.

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You can combine "lossy" compression with dithering to compensate for the increased file size. Lossy compression has the opposite effect as dithering does on file size. Lossy compression increases redundancy along scanlines, and makes the LZW and deflate algorithms work more efficiently.

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What does dithering do to the file compression of GIF?

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What does dithering do to the file compression of GIF?

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Generally, the more flat-color areas you have the smaller the GIF. Anything that disturbs this regularity (dithering) will increase either the number of colors or the number of unique pixel patterns and thus increase file size.

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When optimizing images, keep in mind that two kinds of dithering can occur:

Application dither Occurs in GIF and PNG‑8 images when Photoshop Elements attempts to simulate colors that aren’t in the current color table. You can control application dither by choosing a dithering pattern, or you can try to avoid application dither by adding more colors to the table.

Browser dither Occurs when a web browser using an 8‑bit color display (256‑color mode) attempts to simulate colors that aren’t in the 8‑bit color panel. Browser dither can occur with GIF, PNG, or JPEG images. In Photoshop Elements, you can control the amount of browser dither by shifting selected colors in the image to web‑safe colors. You can also specify web‑safe colors when choosing a color in the Color Picker.

You can preview application dither in GIF and PNG‑8 images. Images with primarily solid colors may work well without dithering. Conversely, images with continuous-tone color (especially color gradients) may require dithering to prevent color banding.

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Most web images are created by designers using 24‑bit color displays (which display over 16 million colors), although some users view web pages on computers with 8‑bit color displays (which display only 256 colors). As a result, web images often contain colors not available on some computers. Computers use a technique called dithering to simulate colors they can’t display. Dithering uses adjacent pixels of different colors to give the appearance of a third color. For example, a red color and a yellow color may dither in a mosaic pattern to produce the illusion of an orange color that the 8‑bit color panel doesn’t contain.

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What does this mean in terms of image quality? (Linked to colour palette question)

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What does this mean in terms of image quality? (Linked to colour palette question)

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In terms of image quality, the quality of a GIF tends to be worse than that of a JPEG for example as it has a limitation to the amount of colours that can be used. True colour GIFs will have a higher quality image than that of a standard GIF, but comes with a larger file size than both a standard 256 colour GIF and a JPEG image. Photographs saved as GIFs can also lose details in colour that a JPEG would keep.

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What is the Colour palette that can be supported?

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What is the Colour palette that can be supported?

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GIF can only support a colour palette of up to 256 colours (8-bit colour), however it is possible to create a true colour image using the GIF format as a GIF image can include multiple image blocks, each of which can have its own 256-color palette, and the blocks can be tiled to create a complete image but it is very rarely used to do so. To render a full-color image as a GIF, the original image must be broken down into smaller regions having no more than 255 or 256 different colors. Each of these regions is then stored as a separate image block with its own local palette and when the image blocks are displayed together (either by tiling or by layering partially transparent image blocks) the complete, full-color image appears. True Colour GIFs, however, come with the disadvantage of a very large file size making them not very useful when it comes to sending or uploading them.

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How would you keep a GIF animation file size small?

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How would you keep a GIF animation file size small?

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You can use a GIF resizer, making the image smaller. As a result, the image will be a smaller size.

Secondly, you could also use a GIF reducer, which will attempt to use as little of the total amount of different colours used.

Bitmap editors, such as Photoshop, will have a `save for web` options, which will do the previous two options together to optimize the image for web

The final way to keep the size down is simple by keeping the animation really simple. This will help the most when trying to keep the file size down.

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Can GIFs be Opaque rather than transparent?

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Can GIFs be Opaque rather than transparent?

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GIFs support transparent backgrounds. This means you are able to have a clear or coloured background, or remove it all together. Therefore, they are either transparent or not