Avid Advanced Video Codec11/12/2023 ![]() ![]() Almost all video uses some sort of compression. The drives in most personal computers are incapable of recording and playing back multiple streams of uncompressed video. Only the highest end video is uncompressed (E.g. Others provide for better color depth and are well suited for editing. Some codecs are optimized for efficient capturing and distribution (E.g. Videographers have more potential production codecs on hand than ever before. Because of this, most professionals opt to use a format with some form of compression. In addition to recording challenges, uncompressed data rates are too large and cumbersome for most to incomporate into their production workflows. These look just like monitors and can be attached to a camera. Thus, external recorders like an Atomos Shogun are used. These are usually too large for internal recording onto an SDXC or CF card. Shooting RAW (aka lossless or uncompressed) provides the highest quality, but at very high data rates. Lossless (Uncompressed) verses Compressed H.265 vs H.264 Compression Explained! (This has a good explanation of interframe compression.).You need to take a closer look at the file in order to see what it really is.ĭo you know how to determine what the codec is in QuickTime Player? When you see a _.mov it could be anything from an AIFF audio file to a feature film in ProRes HQ. A single type of container (E.g., mov) can support many different codecs. It can use specialized hardware, software or a combination A codec is a method for coding/compressing and decoding/decompressingĭigital information. Comparison of Video Container Formats(Wikipedia)Ĭodec is an acronym that stands for coder/decoder.MXF (Material Exchange Format) often used in the form of OP1a or OPAtom (Operational Pattern).ASF (Advanced Systems Format) & WMV (Windows Media Viewer).AVI (Audio Video Interleave) This container has limitations and has largely been replaced by ASF.ProRes or H.264).Ĭontainers (also known as wrappers) are designed to be multipurpose- serving a variety of different users with different needs. Quicktime or Windows Media) and a codec (E.g. ![]() ![]() Know the difference between a container (E.g. Metadata (timecode, closed and open captioning)Ĭodec vs.Format Conversion (including 3:2 pull down, etc).(Day & time assigned by registrar.) The Final Exam will be administered via Canvas (so you can take it in the comfort of your home). FINAL EXAM: The Fall 2022 Final Exam is 12:40 – 2:40 PM, Friday, December 16.We'll watch Final Projects during our week 15 lab time.Next week we'll screen Drama/Storytelling ALT video projects and finish a Color Correction/Grading Exercise.However, look at the Color Correction and Grading Exercise (due by the end of next week). Jim Krause | Classes | P351 Video Field & Post Production Week 12 ![]()
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