Question about sound controls.

[Gene Heskett]

On Thursday 10 March 2005 08:41, James Wilkinson wrote:
>Steven W. Orr wrote:
>> I'm running KDE and there's a huge list of sliders for controlling
>> sound and I just don't know what they're for.
>>
>> Can someone point me to a reference? Also, how can I tell which
>> ones are useful? I have a SBLive! card.
>
>You have discovered the Mixer Of Doom!
>
>The SBLive is a rather complex chip for a sound chip, with a lot of
>digital signal processing capability. Apparently, the ALSA driver,
> by default, provides some programming for the DSP, and exposes this
> through the mixer. Hence, a rather complex mixer.
>
>IEC958 appears to be the standard behind S/PDIF, the Sony/Philips
>Digital Interface Format, which is what is normally used for digital
>output. Given that, a number of sliders names become clearer.
>
Thanks for that clarification.  I've also wondered about that myself.  
If it has to do with S/PDIF, whyintuncket was it named IEC958 in the 
first place?

Patches to reduce that bit of confusion should be tendered.

>More information can be found in the Linux source tree (or, if you
> have kernel-doc installed, under /usr/share/doc/kernel-doc-2.6.10)
> at Documentation/sound/alsa/SB-Live-mixer.txt or on the Web at
> http://lwn.net/Articles/64341/
>
>Hope this helps,
>
>James.
>--
>E-mail address: james | History books in Ireland and Scotland are
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> there is no law that
>
>                      | tells you how to spell whisky. The Welsh
>                      | even spell it 'chwisgi', which makes sense
>                      | after two or three large ones.  --
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-- 
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