The invention relates to fire-extinguishing technology, in particular to pyrotechnical compositions for extinguishing fires and processes for their preparation. Items kept on this list are the status codes or words for the activities that are currently in progress. The information may include business intelligence, which may be categorized according to its relevance to predefined industry profiles or company profiles. Remaining ones of the portion of audio frames following deletion are selected to form an audio trick mode playback signal.