CSS CSS: Contentscrambling-system, the Copy protection of DVD, which is based on a 40-bit encryption method. However, this protection is rather ineffective and was cracked in 1999. Similar entries 100 V technology 1080 1080p 16:9 switching 200 Hz technology 24p 3/2 pull down AAC AACS tap acuity Adobe YCC601 BEA AFC AGC