well, firstly i thought on a bug, but then checked the soundfile.
double check

here my versions for now.
made with http://text-to-speech.imtranslator.net/speech.asp
take your choice and have fun

english famale voice, normalized volume.
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_e.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_e2.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_e_f1.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_j.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_j2.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>
oh, and here is the original without echo xD
Code: Select all
<effect>
<enabled>true</enabled>
<event>onPlayerCheckpoint</event>
<url>http://www.pixom.eu/tm2/files/onPlayerCheckpoint_1.ogg</url>
<loop>false</loop>
<length>1</length>
</effect>