emu10k1 on SBLive Platinum

From: Patricio Stegmann (kpoman_at_hotmail.com)
Date: 08/31/03 

Date: 31 Aug 2003 09:57:03 -0700

Hello,
I am trying to use my linux box to create some music; I have a SBLive
Platinum, with a frontal rack in which I have a Line2/Mic2 jack ... I
use that to plug my bass guitar; I could make it work using the
sourceforge emu10k1 drivers; here you can see my /etc/emu10k1.conf
file:

-------------------------------------------------------------------------
kpoman root # cat /etc/emu10k1.conf
##
## This file is used to configure emu10k1's emu-script
##

CARD_IS_5_1=yes
USE_DIGITAL_OUTPUT=no
ENABLE_TONE_CONTROL=yes

# Note, it's safe to say yes to the next option even if you're not
going
# to use it. When this option is enabled, the driver can autodetects
AC3
# data and behaves normally with normal audio.
# (Saying yes causes some of the soundcard's resourses to be used up)
AC3PASSTHROUGH=yes

# Change this to yes to enable the Livedrive midi port and IR remote
# control.
ENABLE_LIVEDRIVE_IR=yes

# Most Lives have their analog front signals inverted. If you have
# problems with your setup (low bass), try changing this to 'yes'.
(This
# option has no effect with digital setups)
INVERT_REAR=no

#Multichannel playback (for 4 - 6 channel setups)
MULTICHANNEL=yes

# On 5.1 cards in multichannel mode, should the multichannel data be
fed
# to the sub as well? You probably don't want this if you have a
# speaker set like the DTT2200 which already feeds all channels to the
# sub in hardware.
ROUTE_ALL_TO_SUB=yes

# By default, the front analog channels have a +12dB boost applied to
# them by the AC'97 mixer. If you encounter clipping, or find that the
# volume of the front speakers is too high in a multichannel setup,
try
# changing this to 'no'.
ANALOG_FRONT_BOOST=no

# Surround
##################

# Some wavs, or mp3 are surround sound encoded the next two
# options can be used to decode these in hardware.
# (select on or the other, not both)

# passive matrix surround decoder
SURROUND=no

# Active matrix surround decoder
PROLOGIC=no

# Extra Inputs
#################

## This connector is mounted on the card itself
ENABLE_CD_Spdif=yes # Volume control is 'Digital1' in aumix/gmix/kmix

# The next four inputs are found on Livedrives, some of these may also
# be inputs on the older add-on daughter cards.

ENABLE_OPTICAL_SPDIF=no # Volume control is 'Digital2'
ENABLE_LINE2_MIC2=yes # Volume control is 'Line2'
ENABLE_RCA_SPDIF=no # Volume control is 'Digital3'
ENABLE_RCA_AUX=no # Volume control is 'line3'

kpoman root #
-------------------------------------------------------------------------

I use audacity for multitrack recording,
the porblem is that Line2 doesnt figure anywhere as a recording
source, you may want to see :

http://pouet.cocomatic.net/aumix.png

so the only way I could record something from this input jack is
recording IGain as input source ... the problem is if I want to add a
new track (and record it while playing the other one) it will also
record the played one ... I'd like to record only the new one in a
clean new track ... Well so I was wondering how to set Line2 as the
recording source ... but as you could see with aumix, the only sources
I can select from audacity are those you can see in the screenshot ...
someone told me to type

emu-config -sFX

well I did that, it now records from the Line2 but I still hear some
sound from the playback stuff ... I'd really love to find out how to
record in a clean manner and why Line2 isn't being recognized as
recording source ?

the emu10k1 I am using is this one:

* media-sound/emu10k1
      Latest version available: 0.20a-r5
      Latest version installed: 0.20a-r5
      Size of downloaded files: 279 kB
      Homepage: http://www.sourceforge.net/projects/emu10k1/
      Description: Drivers, utilities, and effects for Sound Blaster
cards (SBLive!, SB512, Audigy)

Another question is about effects; I read it is possible to upload
some effects to the DSP; these effects are in emu10k assembler
language, must be "compiled" or something then uploaded as binaries;
I'd like to knopw if someone could do that and want to say something
about it ? Heard it is possible to do that but there are no effects at
all ...

Well please help me with the inputs because I'd love to record some
songs with my gentoo box !
Thanks a lot,

Patricio Stegmann

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