Imaging - analog and digital

   Occasionally, I need to correct a delay in the audio in a video. I have become acquainted with all kinds of software for modifying and playing media such as movies, images, and music.    Sometimes a video will have an audio track that is not loud enough. I have a software to correct that problem.    I have installed and used video editors to convert from one file format or codec tro another. My preference, currently, is for Matroska containers using HEVC-x265 compression and AC3 or FLAC audio encoding. The Matroska file trype can contain separable subtitles and audio in several languages. Separable means one or more of any can be removed from the file. All excess language audio tracks and subtitles can be removed for local use. This saves some on disk space.    I have several Apple iPhones. Sometimes, I use these phones as movie cameras. I used one to make a movie of shadows on my solar panel array. I needed to study the play of shadows to determine the best place, or places,

I've been spending a lot of time and energy on digital movies lately. I've acquired a collection and installed database software specialized for movies and or media in general.    There are many such programs available and I decided to find the better ones and put them to the test.    You would be surprised at the problems that can arise when the user context does not overlap the software use plan exactly. Anbother way of saying personal habits can result in problems if the program designer thinks differently than you, and narrowly.     Human factors engineering is important in software. Easy to learn and use software becomes popular if the program does what's expected well. People will pick an easy to use software over a difficult, obtuse, piece of software given all other thing are equal.    I used a DBM (Database Manager) that is popular and free. My problem was, the programmer wrote the program from the botom up, and not top down. This means that when I stepped ou