A method for processing and analysing at least one acoustic event, the method comprising: providing a collar device; receiving a filtered signal from a filtering component of the collar device, the filtering component configured to receive and filter an electrical signal from a piezoelectric element provided in the collar device, wherein the piezoelectric element is configured to receive vibrations of the at least one acoustic event from a metal electrode probe, wherein the metal electrode probe is secured to a receiving cavity of the collar device, wherein at least one elastomeric ring encircles the metal electrode probe, wherein the at least one elastomeric ring mechanically isolates the metal electrode probe from the receiving cavity, wherein receiving the vibrations includes generating an electrical signal proportional to the frequency and magnitude of the vibrations; and providing one or more applications for running on at least one processor of the collar device, the one or more applications configured for: applying a plurality of tests to the filtered signal in a sequence, wherein each test of the plurality of tests assesses the filtered signal for the presence of one or more characteristics, wherein assessing the presence of the one or more characteristics comprises determining a failure to identify the at least one acoustic event as a first event; terminating the applying the plurality of tests when a test determines the presence of the one or more characteristics; and identifying the at least one acoustic event as the first event upon an occurrence of completing all tests of the plurality of tests, the completing all tests including each test in the sequence determining the absence of the one or more characteristics. providing a collar device; receiving a filtered signal from a filtering component of the collar device, the filtering component configured to receive and filter an electrical signal from a piezoelectric element provided in the collar device, wherein the piezoelectric element is configured to receive vibrations of the at least one acoustic event from a metal electrode probe, wherein the metal electrode probe is secured to a receiving cavity of the collar device, wherein at least one elastomeric ring encircles the metal electrode probe, wherein the at least one elastomeric ring mechanically isolates the metal electrode probe from the receiving cavity, wherein receiving the vibrations includes generating an electrical signal proportional to the frequency and magnitude of the vibrations; and providing one or more applications for running on at least one processor of the collar device, the one or more applications configured for: applying a plurality of tests to the filtered signal in a sequence, wherein each test of the plurality of tests assesses the filtered signal for the presence of one or more characteristics, wherein assessing the presence of the one or more characteristics comprises determining a failure to identify the at least one acoustic event as a first event; terminating the applying the plurality of tests when a test determines the presence of the one or more characteristics; and identifying the at least one acoustic event as the first event upon an occurrence of completing all tests of the plurality of tests, the completing all tests including each test in the sequence determining the absence of the one or more characteristics. applying a plurality of tests to the filtered signal in a sequence, wherein each test of the plurality of tests assesses the filtered signal for the presence of one or more characteristics, wherein assessing the presence of the one or more characteristics comprises determining a failure to identify the at least one acoustic event as a first event; terminating the applying the plurality of tests when a test determines the presence of the one or more characteristics; and identifying the at least one acoustic event as the first event upon an occurrence of completing all tests of the plurality of tests, the completing all tests including each test in the sequence determining the absence of the one or more characteristics.