Writing CDs & DVDs Dave BotherwayDecember 2007. A g e n d a Why Write CD / DVDs ? Types of CDs, DVDs PC Hardware / Software File Types & Demonstration.

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Presentation transcript:

Writing CDs & DVDs Dave BotherwayDecember 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 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 ?

1970s – LD, Laser Disk (30cm) 1980s – CD, Compact Disk (12cm), 60 mins Audio – s – CD - R (Recordable) 650MB (now 70mins, 700 MB) - CD-R Mini (8cm, 193 MB) 1995 – CD - RW (Re Writable) - maybe 100 times ? 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 DVD DL (Dual Layer) 8.5GB (Movie DVDs) Double sided = 17 GB HDD (High Definition) Disk 15GB, DL 30GB (ala Beta vs VHS on VCR tapes) BD (Blue-Ray) Disks 25GB DL / DS 50GB BD DL?DS RE (Erasable) 50GB Dec-07 Costs. 20c 30c 60c $1 $12 $ 1 $3 ?? $12 / 30 $29 / 75 $89 Optical Storage Media (CDs, DVDs)

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) Dec-07 Costs $ 10? $ 15? $ 20 $ 30 ! $ 245 $ 50 $ 60 ? $ 600 ! $ 725 ? ? ? PC CD-DVD-RW Hardware

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 ? )