public function __construct($_filename, $_encoding = '')
{
$this->filename = $_filename;
$this->encoding = $_encoding;
$this->stats = array('tooSlow' => 0, 'slowAcceptable' => 0, 'aBitSlow' => 0, 'goodSlow' => 0, 'perfect' => 0, 'goodFast' => 0, 'aBitFast' => 0, 'fastAcceptable' => 0, 'tooFast' => 0);
$this->loadContent();
$this->parseSubtitles();
}