Do-It-Yourself CDs Integrating Technology into the Curriculum – Special Topic © Jim Lockard
CD Needs Analysis Do you have a CD recorder? If not, might you get one? What is your interest?
Why Make CDs?
Basic CD Concepts CD-ROM vs CD-RW hardware CD Media types CD-R CD-RW CD-R Nominal Capacity 650MB (74 min CD audio) 700 MB (80 min CD audio) larger are coming (~100 min) CD-R vs CD-RW details next
CD-R Media Concepts Recording (Write) Speed 1X = “real time” #x ≈ real time / # 16X ≈ 5 min to record 80 min Ignores other processing factors, e.g. Number of files Erase files??
CD-RW Media Concepts CD-RW Record / Erase / Re-record Comparable to other drives Capacity 650MB before formatting ≈ 560MB after
CD-RW Concepts Speed Usually slower than CD-R Formatting can take 90 min! Compatibility issues Best for “archiving” Don’t take to different machine
CD “Burning” Why “burning?” 3 step process Format (prep) Write files “Finish” (CD-R only) Software varies!
CD “Burning” Demo Your software may vary CD-R (2 situations) Initial from blank Adding to a CD CD-RW Software differences