| http://www.w3.org/ns/prov#value | - While digital audio filter and detection programming and circuitry are continually being advanced, such as with the use of neural networks, etc., the technology is commercially available andgenerally well known to those skilled in the art.The frequencies and pattern of the alarm to be monitored can be encoded in the fire alarm determining means 26, or can be learned by activating the alarm for s
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