HEVC and AAC work on almost all modern media players (like VLC or Plex).
Advanced Audio Coding. This is the gold standard for lossy audio compression, providing better sound quality than MP3 at similar bitrates. The Rise of HEVC: Why Efficiency Matters
This refers to the vertical resolution. 720p (1280 x 720 pixels) is the standard for "High Definition," offering a sharp balance between file size and visual clarity.
. It breaks down into several technical specifications that describe the video's quality and compression methods. Technical Breakdown of the Filename