Re: (#508) Re: Linux Speak Freely install help?

On Thu, Oct 30, 2003 at 05:03:26AM +0100, Speak Freely Forum wrote:
> Message posted to the Speak Freely Forum
>   by he yanhui on Thu, 30 Oct 2003 05:03:26 +0100 (MET).
>   http://www.fourmilab.ch/wb/speak-freely.pl?rev=508
> 
>   Reply To: (#150) Linux Speak Freely install help?
>   Author:   tom
>   Date:     2003-05-26 00:50
> 
> I want to get some help too, please help us!
> I install on the Red Hat 7, but we only can hear the other hand, we could not
> realize the bidirectional communication. Is it have something on the soundcard
> and network connection? How to deal with the soundcard? Is it support the
> Roland soundcard drivers? Must it use ALSA or OSS soundcard drivers? We test
> it on the local network? Is it have any effect? I have installed both windows
> 2003 server and linux OS on my computer. It can run normally under windows,
> but have problems under linux. Is it indicate that it have the problem of the
> soundcard?
> I do need your help, I am waiting for your reply!


Your best chance for bidirectional communications is by using ALSA.
Many of the alternate OSS drivers don't support bidirectional
communications (at once, that is), and ALSA is just better anyhow.  If
you have ALSA working on the PC, then edit the Makefile where it says:

# If you want to use ALSA instead of OSS, uncomment the following
# two definitions.
#CCFLAGS = -DLINUX_ALSA -DM_LITTLE_ENDIAN
#SOUNDLIB = -lasound


Then remove the comment character (#) from the CCFLAGS and SOUNDLIB
line. You will need the libasound-dev or equivalent package installed
on your computer for it to compile with this.

Then run alsamixer, and make sure the following controls are up:
-master
-PCM
-Mic
Also ensure the Mic is set for CAPTURE, (by pressing space bar on
it).  You'll probably also want to mute it (press M).

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