I would suggest trying -o dac instead. Also, you may want to switch to 
csound5 as it works fine already on linux.

Iain

Alexandros Droseltis wrote:
> Hello!
> 
> I am using Csound Version 4.24.1 with 32 bit floats (Mar 22 2005)
> (Modifications by Istvan Varga).
> 
> The command for real time sound processing gives no sound.
> 
> I use e.g.
> 
> # csound -d -o devaudio 1.orc 1.sco
> 
> My device is
> 
> # ls -l /dev/dsp
> lrwxrwxrwx  1 root root 9 2005-01-30 03:08 /dev/dsp -> /dev/dsp1
> 
> Any ideas? I would be grateful.
> 
> Alexandros