Dumb CD Question

skipf
skipf Posts: 694
edited January 2010 in 2 Channel Audio
Y'all please forgive my ignorance, but I was burning a CD last night and got to thinking (yes, I know that's dangerous) about how the CD burner works. If I'm correct, the lazer burns a pit in the disc surface, burn spot = 1 and unburned spot = 0 to create the binary digital code sequence. What I got to wondering about is how the heck a CD-RW works? If the surface is burned by the lazer, how the heck does it get erased? Any help in removing this befuddling mystery from my poor feeble brain would be greatly appreciated.
Post edited by skipf on
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  • vc69
    vc69 Posts: 2,500
    edited January 2010
    http://www.pantherproducts.co.uk/Articles/Storage/cdburner.shtml#So%20how%20does%20a%20CD-RW%20work

    Google is your friend....
    -Kevin
    HT: Philips 52PFL7432D 52" LCD 1080p / Onkyo TX-SR 606 / Oppo BDP-83 SE / Comcast cable. (all HDMI)B&W 801 - Front, Polk CS350 LS - Center, Polk LS90 - Rear
    2 Channel:
    Oppo BDP-83 SE
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    Muscial Fidelity M1 DAC
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  • skipf
    skipf Posts: 694
    edited January 2010
    Thank you kind sir.
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  • mrbofus
    mrbofus Posts: 297
    edited January 2010
    skipf wrote: »
    Y'all please forgive my ignorance, but I was burning a CD last night and got to thinking (yes, I know that's dangerous) about how the CD burner works. If I'm correct, the lazer burns a pit in the disc surface, burn spot = 1 and unburned spot = 0 to create the binary digital code sequence. What I got to wondering about is how the heck a CD-RW works? If the surface is burned by the lazer, how the heck does it get erased? Any help in removing this befuddling mystery from my poor feeble brain would be greatly appreciated.

    aint it funny that ya dont think about stuff until you stop to think about it??
    Sharp Aqous 40" LCD
    Onkyo TX SR-507 AVR
    Onkyo DX-C390 CD Changer
    POLK RTI8 Mains--Cherry
    the rest...in process...slowly!!
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  • reeltrouble1
    reeltrouble1 Posts: 9,312
    edited January 2010
    yogi berra

    RT1
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  • Serendipity
    Serendipity Posts: 6,975
    edited January 2010
    vc69,

    Thanks for the link. Awesome.
    polkaudio RT35 Bookshelves
    polkaudio 255c-RT Inwalls
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    polkaudio XRT12 XM Tuner
    polkaudio RM6750 5.1

    Front projection, 2 channel, car audio... life is good!
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