| 摘要 |
<p>The invention relates to a method, sound processing arrangement and a computer program product enabling a user (52) of a process control system (10) to determine the health of a process control object (24). A detecting unit (21) detects that a wireless terminal (32) is in the proximity of a process control object (24), which wireless terminal (32) is equipped with a sound recording unit that records, based on the detection, sounds of the process control object and provides the recorded sounds to a sound analysing unit (22) in order to have the health of the process control object determined.</p> |
