Defcon, pulseaudio and dsp support

I’m trying to run defcon with sound. I have found to run dsp emulation, you should start program in this way:

padsp ./your_program

But there’s errors, because defcon is 32-bit application, so I trying to run it in this way:

linux32 padsp ./defcon

There’s still the same errors. The errors message is:

       ERROR: object '/usr/lib64/pulseaudio/' from LD_PRELOAD cannot be preloaded
 (wrong ELF class: ELFCLASS64): ignored.\


Is there any solution except installing 32-bit pulseaudio? Thanks.