Multi-sensor auscultation device

A wearable auscultation device, comprising:

• one or more data processors;
• an electronics module positionable against skin of a user, the electronics module comprising:
• a plurality of accelerometer contact microphone (ACM) units positioned in a planar array, each ACM unit having a sensing surface, wherein each ACM unit of the array is spaced apart from each other ACM unit of the array, and wherein the sensing surface of each ACM unit of the planar array is coplanar;
• and
• electronic components for receiving and processing signal data from each of the ACM units;
• wherein, when the electronics module is positioned against the skin of the user, the sensing surface of each ACM unit is contacting the skin of the user;
• and
• a non-transitory computer-readable storage medium containing instructions which, when executed on the one or more data processors, cause the one or more data processors to perform operations including:
• receiving an ACM signal from each of the plurality of ACM units, wherein the ACM signals are associated with a sound from within the user;
• synchronizing each of the ACM signals;
• receiving inertial measurement unit data;
• reducing noise or motion artifacts associated with at least one of the synchronized ACM signals using at least another of the synchronized ACM signals;
• filtering the ACM signals, wherein filtering the ACM signals includes identifying the sound as a cardiopulmonary sound;
• and
• determining a source location for the sound using the synchronized ACM signals and the inertial measurement unit data.