What is the difference between divx and hd

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All Rights Reserved. Advanced Features. Cloud Connect. Import videos from cloud storage to convert in DivX Converter. It isn't used that much anymore, as the way streaming is done has changed significantly over the last years.

I guess once would prefer to specifically use "codec" and "container" instead of "format" to avoid misunderstandings. A format can theoretically be anything, because both codecs and containers specify a format i. That being said, the FFmpeg terminology would be to use "format" for the container.

This is also because of the distinction between:. In general a media 'format' is really a container, containing an audio stream of some audio codec and a video stream of some video codec and sometimes additional information. FFmpeg is neither a container nor a codec - its a versatile suite of libraries, codecs and software for conversion of files that underlies many converters and music players.

The other describes how the encoded data is placed inside the file. Most media players support multiple codec and container types. This is confusing, so I suggest you read my references for more informstion. A format is the name given to a particular file format type and compression type most video is compressed to keep the size down , and the codec is what can actually compress it, read it and translate it into the video you see by decompressing it.

In other words, one is a file type, but the other is a piece of software. FFmpeg I had never heard of this appears to be the name of a software to convert various formats into other formats.

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Create a free Team What is Teams? Learn more. What is a Codec e. Ask Question. Asked 10 years, 4 months ago. Active 4 years, 2 months ago. Viewed 27k times. Improve this question. Looking at my own question 6 years later and all I can think is "how do you not know this?! We all started from somewhere. Add a comment. Active Oldest Votes. Some main definitions: A codec e. A container e. A particular encoder e. There are often multiple encoders for one particular codec.

As you can see, we'll have to explain a few things here. What is a codec? A case example — H. To summarize So, all in all, let's just say that an encoder will: take video frames produce a valid bitstream The bitstream is then multiplexed into a container. The decoder will: take that valid bitstream reconstruct the video frames from it They both conform to a codec standard.

That's all! Current Codecs These days, you will probably only find videos encoded with the codecs I will mention below. MPEG-4 Part 2 This is probably the one that was used mostly to encode videos for the web in the mids, but it has been superseded in the meantime. What is a format container? Therefore, you need to wrap the video in a container.

There are several reasons why: Maybe you want some audio along with the video Maybe you want to skip to a certain part in the video like, "go to Let's take a look at some popular containers. Popular containers You will find videos mostly wrapped in the following containers. There are other less popular ones as well, but as I said, mostly, it's those: AVI Audio Video Interleave — this is the most basic container, it's just there to interleave audio and video.

Ogg The Ogg container is the container of choice for the Theora video codec and the Vorbis audio codec , also created by the Xiph. Popular codecs and formats Also, which of the following are codecs, which ones are file formats, and which ones are neither? Quicktime MOV :. This container was later adapted for MP4. It can carry all kinds of codecs. Quicktime is actually a whole media framework, it doesn't really specify any codec itself as far as I'm concerned.

See my post above for details. Dear Confused, The world of video formats can be pretty confusing, but there are only a few things you really need to know. First, it's important to note that a video format is more than just its file extension. Extensions like AVI are not, in fact, video codecs—they're containers. Here's what you need to know about how it all works.

Most of the video you'll come across is compressed, meaning its been altered to take up less space on your computer.

For example, a regular Blu-Ray disc usually takes up around 30 or 50GB of space—which is a lot for a normal person to download or store on their hard drive. So, we usually compress movies to make them more manageable, usually with some loss in video quality. Relax and be free from anxiety Take back good sleep and help alleviate pain.

A codec compresses and decompresses data. It interprets the video file and determines how to play it on your screen.