80 likes | 195 Views
Writing CDs & DVDs. Dave Botherway. December 2007. A g e n d a. Why Write CD / DVDs ? Types of CDs, DVDs PC Hardware / Software File Types & Demonstration. Why Write ? Key Questions ?. Offsite / Archival Backup Storage @ Low$
E N D
Writing CDs & DVDs Dave Botherway December 2007
A g e n d a • Why Write CD / DVDs ? • Types of CDs, DVDs • PC Hardware / Software • File Types & Demonstration
Why Write ? Key Questions ? • Offsite / Archival Backup Storage @ Low$ • Send ‘large’ files -> Associates, Customers • Backup of existing CDs, DVDs • Key Questions : • How much data - 20 MB, 200 MB, 20 GB ? • What can Recipient handle ? What can I do ? • Do I need to ‘prevent’ Over Writing ? • How many copies needed ?
Optical Storage Media (CDs, DVDs) Dec-07 Costs. 20c 30c 60c $1 $12 $ 1 $3 ?? $12 / 30 $29 / 75 $89 1970s – LD, Laser Disk (30cm) 1980s – CD, Compact Disk (12cm), 60 mins Audio – 20 Tracks @3mins 1990s – CD - R (Recordable) 650MB (now 70mins, 700 MB) - CD-R Mini (8cm, 193 MB) 1995 – CD - RW (Re Writable) - maybe 100 times ? 1997 - DVD (Digital Video / Versatile Disk) 4.5 GB DVD - R Recordable DVD - RW Re Writeable DVD - RAM (Write Many, 100,000 times ? For VCRs) 2002 DVD + R, DVD + RW New format -> DL 2003 - DVD DL (Dual Layer) 8.5GB (Movie DVDs) Double sided = 17 GB 2006 - HDD (High Definition) Disk 15GB, DL 30GB (ala Beta vs VHS on VCR tapes) BD (Blue-Ray) Disks 25GB DL / DS 50GB 2007 - BD DL?DS RE (Erasable) 50GB
Dec-07 Costs $ 10? $ 15? $ 20 $ 30 ! $ 245 $ 50 $ 60 ? $ 600 ! $ 725 ? ? ? PC CD-DVD-RW Hardware CD - R Rx4, 12, 16, 52 CD - R/W added Wx4 (ie. Read & Write ) DVD / CDW added Read DVDs, either + or - ! DVD - W added R/W DVDs, Both + & -, DVD-RAM Nov-2003 MPC Bulk Buy (80 units) DVD DL added R/W Dual Layer DVDs DVD Lightscribe(Invert & Writes on label, special disk) HD - added High Def BD - OR added Blue-Ray ( DL or DS ? ) Dual HD / BD ? ? ? ? (BD-W, HD-R) NB. Hardware usually includes needed S/w (OEM)
CD / DVD Software • Nero Suite Ultra -v8 $169 • Roxio Easy Media Creator – v10 $130 • ( or get as OEM s/w with Drive) $5 • Freeware - eg. Deep Burner $0 ( Intro to their PRO version ) • Standard in VISTA ( Limited in XP ? )
“ Burning “ Decisions ? • Format . . . . • Audio -- use in CD Players • Data -- use in PCs, MP3 Players • . . . ISO -- CD Image Copy (either of above) • Sessions . . . • Single Session & Close / Finalize • Multi Session -- can later Add additional files & Delete • ( but not recover “deleted” space ) • Re Writeable -- UDF ( Add, Delete / Recover ) • -- Erase ( fresh start . . . . ) • Write Speed. . . . Less than Maximum ? • Contention from Other Apps ( Buffer Under Run ? )