![]() ![]() The gap is further narrowed by the longtime universal standard, H.264/AVC (Advanced Video Coding). Although, there only several in any sort of widespread usage. There are many different kinds out there. ![]() We’ve covered the term “codec” in general terms, and now it’s time to explore the actual types of codecs that exist. The good news is that, despite streaming relying on lossy compression, the visual quality remains quite high. With regards to streaming, most services will employ lossy compression to maximize file shrinkage. It’s largely the same with video codecs and how they encode (compress) raw data into a more manageable format. WAV files retain data and generally sound better at the cost of additional size. MP3s are lossy formats with slightly degraded quality in exchange for very small file size. It may help to consider recognizable audio formats such as WAV files and MP3s to understand the difference between lossless and lossy data encoding. Lossless compression preserves all of the data present in the file, while lossy compression discards excess information that the algorithm deems unimportant. Video encoding falls into two broad categories: lossless compression and lossy compression. At the core of a codec are complex algorithms that make the process possible, with the viewer none the wiser to what’s going on behind the scenes. Subsequently, it is also responsible for decompressing it on the consumer end for streaming and playback. ![]() Video codecs are responsible for compressing raw data for storage and transmission. Video codecs squash, or compress, raw digital data into compact chunks for transmission and delivery of on-demand media. ![]() Not only is storage an issue, but transmitting uncompressed video data would demand huge amounts of network bandwidth as well. Part of what makes a video codec so important is the necessity to shrink file sizes to more manageable loads. You can imagine the challenges storage alone would pose for a service like Netflix. Uncompressed video files require a tremendous amount of storage space, to the tune of nearly two terabytes for a 120-minute movie. In short, codec’s meaning is “coder-decoder.” Why are Codecs Important? The word “codec” itself blends the words “encoder” and “decoder.” An encoder is responsible for compressing data and a decoder is responsible for decompressing it. A video codec is a software algorithm that compresses and decompresses digital video for distribution. If you’re wondering what a codec is, we’ll aim to clarify that now. One of these is understanding video codecs and how they’re related to digital video in the streaming age. However, for videographers, editors, broadcasters, content creators, and other professionals, there are some important considerations. Most consumers typically wouldn’t delve into the technical complexities that drive the video streaming industry. This is an astounding number that confirms the platform’s ever-increasing popularity. As a whole, the industry is projected to be worth over $300 billion by the year 2030. population subscribes to at least one video streaming platform. According to Sandra Pattison of Cloudwards, approximately 85% of the U.S. On-demand streaming services have transformed how we consume media in staggering ways. ![]()
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