Database,Diagnosis,Meaning training-a,Normal ,Normal control group training-a,MVP,Mitral valve prolapse training-a,Benign,Innocent or benign murmurs training-a,AD,Aortic disease training-a,MPC,Miscellaneous pathological conditions training-b,Normal ,Normal control group training-b,CAD,Coronary artery disease training-c,Normal ,Normal control group training-c,MR,Mitral regurgitation training-c,AS,Aortic stenosis training-d,Normal: NHC,"Recordings collected from 19 normal subjects, aged from 18 to 40 years" training-d,Normal: MARS500,"Recordings collected from 6 volunteers (astronauts), a part of the MARS500 project promoted by European Spatial Agency" training-d,Pathologic,pathologic recordings training-e,Normal ,Normal control group training-e,CAD,Coronary artery disease training-f,Normal,Normal control group training-f,Pathologic,pathologic recordings