Table 1.
Database | Subject type | Subject number | Age | Gender (F/M) | Recording position | Recording state | Recording number | Recording length (s) | Simultaneous signal | Sample rate | Sensor | Sensor frequency bandwidth |
---|---|---|---|---|---|---|---|---|---|---|---|---|
MITHSDB | Normal |
38 |
unknown | unknown | Nine different recording positions | Recorded in-home visits or in hospital, uncontrolled recording environment |
117 |
33±5 | One PCG One ECG |
44,100 Hz | Welch Allyn Meditron electronic stethoscope | 20 Hz – 20 kHz |
MVP |
37 |
134 |
||||||||||
Benign |
34 |
118 |
||||||||||
AD |
5 |
17 |
||||||||||
MPC |
7 |
23 |
||||||||||
AADHSDB | Normal |
121 |
unknown | 58/93 | Tricuspid area | Rest |
544 |
8 | One PCG | 4,000 Hz | 3M Littmann E4000 | 20 Hz – 1,000 Hz |
CAD | 30 | 151 | ||||||||||
AUTHHSDB | Normal |
11 |
29±8 |
5/6 |
Apex |
Rest |
11 |
47±25 |
Two PCGs | 4,000 Hz | Welch Allyn Meditron electronic stethoscope | unknown |
MR |
17 |
75±7 |
12/5 |
Auscultation |
17 |
60±30 |
||||||
AS | 17 | 76±10 | 11/6 | positions | 17 | 43±21 | ||||||
TUTHSDB | Normal |
28 |
unknown | unknown | Four typical auscultation positions | Rest | 174 | 15 | One PCG | 4,000 Hz | unknown | unknown |
Pathologic | 16 | |||||||||||
UHAHSDB | Normal: NHC |
19 |
18–40 |
unknown |
unknown | Rest |
19 |
14±5 |
One PCG | 8,000 Hz | Prototype (Infral Corporation) | unknown |
Normal: MARS500 |
6 |
unknown |
unknown |
20 |
10±3 |
|||||||
Pathologic | 30 | 44–90 | 10/20 | 40 | 16±9 | |||||||
DLUTHSDB | Normal | 174 | 25±3 | 2/172 | Multi-position at chest | Rest or after exercise | 338 | 209±78 | PCG, PPG, RESP | ECG, 800 Hz and – 22,050 Hz | MLT201 or piezoelectric sensor | unknown |
CAD | 335 | 60±12 | 227/108 | Mitral | Rest | 335 | 17±12 | One PCG | 8,000 Hz | 3M Littmann | 1–1,000 Hz | |
SUAHSDB | Normal |
79 |
56±16 | 69/43 | Apex | Rest |
81 |
33±5 | One PCG | 8,000 Hz | JABES electronic stethoscope | 20–1000 Hz |
Pathologic | 33 | 33 | ||||||||||
SSHHSDB | Normal |
12 |
unknown | unknown | 2th intercostal | Rest |
12 |
36±12 | One PCG | 8,000 Hz | unknown | unknown |
Pathological | 23 | 23 | ||||||||||
SUFHSDB | Fetal |
116 |
-- |
-- |
Maternal abdomen |
Rest |
119 |
90 |
One PCG |
8,000 Hz, 44,100 | JABES electronic stethoscope | 20–1000 Hz |
Maternal | 109 | 29±6 | 109/0 | unknown | Rest | 92 | 90 | One PCG | ||||
Hz | ||||||||||||
Total | -- | 1,297 | -- | -- | -- | -- | 2,435 | -- | -- | -- | -- | -- |
Note: MIT: Massachusetts Institute of Technology, AAD: Aalborg University, AUTH: Aristotle University of Thessaloniki, TUT: K.N. Toosi University of Technology, UHA: University of Haute Alsace, DLUT: Dalian University of Technology, SU: Shiraz University, SSH: Skejby Sygehus Hospital, MVP: mitral valve prolapse, Benign: innocent or benign murmurs, AD: aortic disease, MPC: miscellaneous pathological conditions, CAD: coronary artery disease, MR: mitral regurgitation, AS: aortic stenosis, PCG: phonocardiogram, ECG: electrocardiogram, PPG: photoplethysmogram, RESP: respiratory.