On Tue, Jul 28, 2009 at 2:21 PM, Mikkel L. Ellertson < [email protected]> wrote:
> Mike Wright wrote: > > Hi all, > > > > I too have been struggling with sound but am making some progress. One > > question that remains after years of fedora: > > > > In the alsamixer applet one of the available input controls available > > under preferences is CD. > > > > My CD has *always* been controlled by the PCM input control. I've > > connected the separate cable from the drive to the motherboard with no > > effect. (It seems that the audio cable is useless, too?) > > > > So here's the 50cent question. Just what does the CD input control? > > > > Inquiring minds want to know ;/ > > > It controls the input labeled on CD on the sound card. This will > only produce output if you have the analog audio cable between the > CD-ROM drive and the sound card. The reason you use the PCM input to > control the CD volume is because the player is getting the data from > the drive over the (S)IDE interface, and feeding the digital data to > the PCM input of the sound card. > If I remember well, grip is one application that gets the sound via the anlog cable. -- Paulo Roma Cavalcanti LCG - UFRJ
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