"Lossy compression algorithms such as H.264 and H.265 achieve greater bitrate reduction by discarding some image information, which is not recoverable. This enables efficient transmission and storage while maintaining acceptable image quality."

— Axis Communications Academy, Network Video Fundamentals, 2022

"Lossy compression reduces the file size significantly by removing information that is not needed for human viewing. The removed content cannot be restored."

— Axis Web Article: Video Compression