yes dvd is what i am talking about. ----- Original Message ----- From: "DJ DOCTOR P" <[EMAIL PROTECTED]> To: "PC Audio Discussion List" <pc-audio@pc-audio.org> Sent: Tuesday, September 11, 2007 9:53 AM Subject: Re: Identifying the playing surface and non playing surface of a CD
>I have seen DVDs like that, but not CDS. > John Price. > > ----- Original Message ----- > From: "Walter Ramage" <[EMAIL PROTECTED]> > To: "PC Audio Discussion List" <pc-audio@pc-audio.org> > Sent: Tuesday, September 11, 2007 7:48 AM > Subject: RE: Identifying the playing surface and non playing surface of a > CD > > >> That's very unusual. In all the years I have been using CDs I have never >> once had that experience. The only thing I can suggest is if you have >> that >> experience again is to find the side with the groove and that will be the >> non playing surface. The groove is necessary for the CD recorder or >> Drive >> to identify the type of disc and then to calibrate itself. The only >> other >> thing I can think of is that in spindle tubs of CDS there is often a >> dummy >> disc at either end to protect the real discs and maybe you are feeling >> that >> dummy. Walter >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] Behalf Of Kenneth Suratt >> Sent: 11 September 2007 12:28 >> To: PC Audio Discussion List >> Subject: Re: Identifying the playing surface and non playing surface of >> a CD >> >> >> some times I gat a cd with a raise circle on both sides. How can I tell >> the >> different? >> ----- Original Message ----- >> From: "Walter Ramage" <[EMAIL PROTECTED]> >> To: "PC Audio Discussion List" <pc-audio@pc-audio.org> >> Sent: Tuesday, September 11, 2007 4:06 AM >> Subject: Identifying the playing surface and non playing surface of a CD >> >> >>> Ok. Here's the best way to identify the playing surface and non playing >>> surface of a CD. Braille readers will be able to use their finger tips >>> but >>> for those who have sensitivity problems use your finger nail but very >>> carefully. Probably the easiest way to do this, if you are doing it for >>> the >>> first time is to place the disc in the case. From the centre of the >>> disc >>> slowly run your finger nail towards the outer edge of the disc. About >>> half >>> an inch from the spindle hole you will find a deep groove, your finger >>> nail >>> will pick this up. This is the non playing surface. Now if you turn >>> the >>> disc up the other way and again slowly and gently run your finger nail >>> from >>> the centre towards the outer edge about half an inch from the centre you >>> will find a ridge. Depending on the brand of the disc the ridge will >>> vary >>> in how pronounced it is but it is there and It is a ridge. This is the >>> playing surface. Once you get used to feeling it then you will know at >>> a >>> very brief touch which side is which. Walter. >>> >>> >>> >>> >>> >>> Audio List Help, Guidelines, Archives and more... >>> http://www.pc-audio.org >>> >>> To unsubscribe from this list, send a blank email to: >>> [EMAIL PROTECTED] >>> >> >> >> __________________________________________________ >> Do You Yahoo!? >> Tired of spam? Yahoo! Mail has the best spam protection around >> http://mail.yahoo.com >> >> >> >> Audio List Help, Guidelines, Archives and more... >> http://www.pc-audio.org >> >> To unsubscribe from this list, send a blank email to: >> [EMAIL PROTECTED] >> >> >> >> >> >> >> Audio List Help, Guidelines, Archives and more... >> http://www.pc-audio.org >> >> To unsubscribe from this list, send a blank email to: >> [EMAIL PROTECTED] >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. >> Version: 7.5.485 / Virus Database: 269.13.13/998 - Release Date: >> 9/10/2007 >> 8:48 AM >> >> > > > > Audio List Help, Guidelines, Archives and more... > http://www.pc-audio.org > > To unsubscribe from this list, send a blank email to: > [EMAIL PROTECTED] > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com Audio List Help, Guidelines, Archives and more... http://www.pc-audio.org To unsubscribe from this list, send a blank email to: [EMAIL PROTECTED]