AudioNode issue, last second repeated at the end

Yes, I’m using 3.0.
For every track I have separate AudioNode (i found a safe way to replay the node’s audio track, but the issue occurs even if I do things in non hacking way).

Here is the code I’m using to init the node:

    AudioNodeExt an = new AudioNodeExt(_manager, name, true);

To start the track I use;