D1 D1: An image resolution standard for converting analog video sources into digital software (DVD). In PAL (see PAL) results in 720×576 pixel and in NTSC (see NTSC) 720×480 pixels. 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