Hello, and welcome to AVHelpzone.com!
I'm currently rewriting a large amount of the material on this website. The rewritten articles are at the top of the page. The older articles are listed below:
Audio Basics: Hearing & Audio Quality | Surround Sound FAQ
Displays, Video, Film, & TV: Display Types | Resolution, Scaling, & Progressive vs. Interlaced | Aspect Ratio | Broadcast Formats | VG 1 | VG 2 | Reception | Display Calculations | Refresh Rate | 3D | Display Buying Tips
Digital Data: Storage | Size | Bit Rate | Compression
Optical Discs: Introduction | Problems
Connections: Overview | 4G FAQ