On Sat, 21 Sep 2002 08:30:33 -0400
Nikhil Deo <[EMAIL PROTECTED]> wrote:
> Kelledin <[EMAIL PROTECTED]> wrote:
> > On Wednesday 18 September 2002 01:13 am, Nikhil Deo wrote:
> > > After overcoming a few difficulties (gross understatement of
> > > the year) I was able to hear a test wav file through my Intel
> > > integrated card using AD1981A chipset.
> > >
> > > But I still cannot hear any sound when I try to listen to
> > > audio CDs.
> >
> > First, the obvious question:
> >
> > Have you turned up the volume and cleared the mute flag on the CD
> > volume control?
>
> Yes
>
> >
> > If that's not it...the only other thing I can think of at the
> > moment is that the CD audio cable isn't connected properly.
>
> It works in windows. So it might not be the cable/connector (it is an
> integrated card)
Well, at least some Windows versions can do digital audio extraction:
digital audio data is transfered to the soundcard using the IDE cable
and the soundcard does digital -> analog conversion. The standard way
to play an audio CD though is to let the CDROM drive do the
digital -> analog conversion and use the aforementioned cable to
carry the analog signal to the soundcard (or onboard sound).
For Linux there is alsaplayer which uses digital audio extraction.
> > There's supposed to be a little two-pin or four-pin cable going
> > between the CD-ROM drive and the sound card; otherwise, the
> > sound card and CD-ROM drive can't communicate, and you can't
> > play CD audio. ;)
> >
> > And, of course, that cable must be turned to the proper
> > orientation on both ends. The better cables are physically
> > polarized, making it impossible to plug it in wrong without
> > forcing/breaking the connector.
> >
> > Plus, there may be a couple of connectors on the sound card,
> > looking just like the CD audio connector, that aren't actually
> > for CD audio (they may be labeled AUX or MODEM or the like).
> > Plug the cable into one of these other connectors, and chances
> > are, CD audio won't work.
> >
> > These details are often forgotten by hobbyists who build their
> > own systems. Even OEMs or white-box computer shops sometimes
> > neglect that cable...
> >
> > --
> > Kelledin
HTH,
-Frans
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