![]() MKV (Matroska Video), MOV (short for MOVie), AVI (Audio Video Interleave) and other file types are examples of these container formats. These codecs should not be confused with the containers that are used to encapsulate everything. Examples of audio compression standards, often referred to as audio codecs, include LAME/MP3, Fraunhofer FDK AAC, FLAC and more. The name codec actually comes from a merging of these two concepts into a single word: enCOder and DECoder.Įxample video codecs include H.264, VP8, RV40 and many other standards or later versions of these codecs like VP9. Although these standards are tied to the video stream, videos are often bundled with an audio stream which can have its own compression standard. Each codec is comprised of an encoder, to compress the video, and a decoder, to recreate an approximate of the video for playback. Video codecs are video compression standards done through software or hardware applications. The process of video encoding is dictated by video codecs, or video compression standards. ![]() It can also include increasing compatibility for playback with audiences. Being compatible can relate to certain services or programs, which require certain encoding specifications. In fact, sometimes content is already compressed to an adequate size but still needs to be encoded for compatibility, although this is often and more accurately described as transcoding. The second reason for video encoding is compatibility. For streaming, this will dictate if they can easily watch the content or if they will be stuck buffering the video. The important aspect is bit rate, or the amount of data per second in the video. Without compression, raw video content would exclude many from being able to stream content over the Internet due to normal connection speeds not being adequate. This is because compression reduces the bandwidth required, while at the same time giving a quality experience. ![]() The first, especially as it relates to streaming, is it makes it easier to transmit video over the Internet. Now there are two reasons why video encoding is important. The more compression applied, the more data is thrown out and the worse the approximation looks versus the original. Upon decompression for playback, an approximation of the original is created. This is because it’s a lossy process that throws away information related to the video. In regards to compression, the goal is so that it consumes less space. Video encoding is the process of compressing and potentially changing the format of video content, sometimes even changing an analog source to a digital one. As a result, you’ll walk away with a better understanding of this process and how it relates to adaptive bitrate streaming. It also covers why certain artifacts, related to compression, might appear in your video. This includes what makes for a recommended codec, although is situation dependent. In this article, we’ll examine the process of encoding, codecs and compression techniques. Wondering what is video encoding and why it’s important?
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