I have this hardware according to lspci -vvv
02:07.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 06)
Subsystem: Creative Labs CT4832 SBLive! Value
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2
They say you can increase sound quality by "redirecting front signal to rear output of SB Live!":
http://en.wikipedia.org/wiki/Sound_B...n_Shortcomings

How do you do the redirection in ALSA and Pulseaudio?