Whats Audio Master Quality (AMQ) recording?page up: CD-Recordable FAQnext page: 2-43] What are the gory details about how are 1s and 0s encoded?
(2004/03/09) If you’ve ever looked at a recorded CD-R, you’ve probably noticed that the recorded and unrecorded areas have a different appearance. This is usually visible as a slight change in color. By controlling the write laser it’s possible to mark the disc in a way that is meaningful to the human eye rather than to a CD player. Unfortunately, the level of control required to do this isn’t achievable without firmware support. In mid-2002, Yamaha announced “DiscT@2” (disc tattoo). This allows moderate-resolution (approx. 250dpi) graphics to be drawn in the parts of the disc that weren’t recorded. Yamaha claims to get 256 shades of color (green, blue, or whatever color the disc happens to be), though it works best on dark blue azo discs. For more details and some pictures, see: – http://www.tomshardware.com/storage/02q3/020927/index.html – http://www.watch.impress.co.jp/akiba/hotline/20020622/etc_disctat2.html Yamaha left the consumer CD recording market in February 2003, and the tec
