When add sound to libreoffice and move sound file or move presentation to another PC sound don't playing because program can't find sound file. LibreOffice just add link to file in .odp-file.
LibreOffice 3.6.4.3 (Ubuntu 12.10, lastest from ppa). Also LibreOffice don't add sound to ppt and pptx.
Thank you for reporting this problem. There is already another bug with the same problem. Please look there for updates *** This bug has been marked as a duplicate of bug 33928 ***