Comment 32 for bug 823155

1) lsb_release -rd
Description: Ubuntu 12.04 LTS
Release: 12.04

2) apt-cache policy libreoffice-impress
libreoffice-impress:
  Installed: 1:3.5.2-2ubuntu1
  Candidate: 1:3.5.2-2ubuntu1
  Version table:
 *** 1:3.5.2-2ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status

3) What is expected to happen in a new Impress document via the Terminal:

loimpress --nologo

New Impress file -> click the rectangle containing "Click to add text" -> Under Tasks Custom Animation -> button Add... -> Entrance tab highlight Random Effects -> OK button -> right of Property ... button -> Effect tab -> change Sound dropdown apert -> OK button -> Slide Show and it plays the apert sound.

4) What happens instead is no sound is played during the slide show.