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]
