Re: [AV Media Matters] CD burning temperatures

[smolians@erols.com]

I'll settle for a temperature range.

Steve Smolian

----- Original Message -----
From: <carroll2@email.unc.edu>
To: <AV-Media-Matters@topica.com>
Sent: Monday, October 09, 2000 2:08 PM
Subject: Re: [AV Media Matters] CD burning temperatures

>If believe that most CD writers have variable laser power.  Upon loading
>blank
>media, the drive scans the new disc and the writer calibrates accordingly.
>My guess is the strength is probably adjusted according to the dye.
>
>--Jeff
>>
>>I'm trying to determine the laser temperature which is used to alter the
>>reflectivity of the jelly when CDRs are recorded and what it is when
>>they are played back.
>>
>>My search of the net tells me that eveyone uses Orange Book standards
>>but doesn't state them, nor could I find an Orange Book posted there
>>which I could leaf through.
>>
>>Can anyone supply me with this information?
>>
>>Steve Smolian
>
>Jeff Carroll
>Audio Preservation & Restoration Engineer
>Southern Folklife Collection
>Manuscripts Department
>University of North Carolina at Chapel Hill
>Ph.(919) 962-1345   Fax (919) 962-3594