Question about sound controls.

[Steven W. Orr]

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.

master
headphone
bass
treble
3D control Sigmatel Depth
3D control Sigmatel Rear Depth
PCM
Surround
Center
LFE
Wave
Wave center
Wave LFE
Wave Surround
Music
Line
Line LiveDrive
Line2 LiveDrive
CD
Mic
Video
Phone
IEC958 Coaxial
IEC958 Linedrive
IEC958 TTL
PC Speaker
AUX
Capture
AC97
EMU10K1 PCM
EMU10K1 Send
EMU10K1 Send Routing
Sigmatel Surround

TIA

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steveo at syslang.net