US Patent 10952625 Apparatus, methods and computer programs for analyzing heartbeat signals

An apparatus, method and computer program, the apparatus comprising: processing circuitry and memory circuitry including computer program code, the memory circuitry and the computer program code arranged to, with the processing circuitry, cause the apparatus to: obtain an audio signal from an audio sensing means wherein the audio signal comprises a subject's heartbeat; obtain a further signal from a further sensing means wherein the further signal also comprises the subject's heartbeat; use the further signal to identify individual heart beats in the audio signal; and analyse the individual heartbeats of the audio signal to enable the audio signal to be classified.