Track 01
Normal
Right costal margin · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000115s4,000 HzCC BY 4.0
Listen locally.
Compare precisely.
50 reviewed and normalized recordings across 10 sound types and six auscultation locations—self-hosted under an open license.
Open and self-hosted. All 50 normalized WAV recordings load from CardioWebdr itself—no iframe, tracker, or third-party playback request.
Track 02
Normal
Left costal margin · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000215s4,000 HzCC BY 4.0
Track 03
Normal
Right upper sternal border · Male manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000315s4,000 HzCC BY 4.0
Track 04
Normal
Left upper sternal border · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000415s4,000 HzCC BY 4.0
Track 05
Normal
Left lower sternal border · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000515s4,000 HzCC BY 4.0
Track 06
Normal
Apex · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000615s4,000 HzCC BY 4.0
Track 07
Late Diastolic Murmur
Left costal margin · Male manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_000715s4,000 HzCC BY 4.0
Track 08
Mid Systolic Murmur
Apex · Male manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_000815s4,000 HzCC BY 4.0
Track 09
Normal
Right upper sternal border · Female manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_000915s4,000 HzCC BY 4.0
Track 10
Mid Systolic Murmur
Apex · Female manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_001015s4,000 HzCC BY 4.0
Track 11
Normal
Left costal margin · Male manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_001115s4,000 HzCC BY 4.0
Track 12
Late Systolic Murmur
Left upper sternal border · Female manikinA murmur emerging in the latter part of systole, demonstrated across several listening positions.
HLS_HS_001215s4,000 HzCC BY 4.0
Track 13
Late Systolic Murmur
Right upper sternal border · Male manikinA murmur emerging in the latter part of systole, demonstrated across several listening positions.
HLS_HS_001315s4,000 HzCC BY 4.0
Track 14
Atrial Fibrillation
Apex · Female manikinAn irregularly irregular simulated rhythm without consistent atrial timing.
HLS_HS_001415s4,000 HzCC BY 4.0
Track 15
S4
Right costal margin · Female manikinA presystolic additional sound immediately before S1, associated with late ventricular filling.
HLS_HS_001515s4,000 HzCC BY 4.0
Track 16
Early Systolic Murmur
Right upper sternal border · Female manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_001615s4,000 HzCC BY 4.0
Track 17
Late Systolic Murmur
Apex · Female manikinA murmur emerging in the latter part of systole, demonstrated across several listening positions.
HLS_HS_001715s4,000 HzCC BY 4.0
Track 18
Mid Systolic Murmur
Left upper sternal border · Male manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_001815s4,000 HzCC BY 4.0
Track 19
Early Systolic Murmur
Left upper sternal border · Female manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_001915s4,000 HzCC BY 4.0
Track 20
Mid Systolic Murmur
Right costal margin · Male manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_002015s4,000 HzCC BY 4.0
Track 21
Late Diastolic Murmur
Left upper sternal border · Male manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_002115s4,000 HzCC BY 4.0
Track 22
Early Systolic Murmur
Right upper sternal border · Male manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_002215s4,000 HzCC BY 4.0
Track 23
S3
Left upper sternal border · Male manikinAn additional low-frequency sound shortly after S2 during early ventricular filling.
HLS_HS_002315s4,000 HzCC BY 4.0
Track 24
Late Diastolic Murmur
Apex · Female manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_002415s4,000 HzCC BY 4.0
Track 25
Early Systolic Murmur
Left upper sternal border · Male manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_002515s4,000 HzCC BY 4.0
Track 26
S3
Left lower sternal border · Female manikinAn additional low-frequency sound shortly after S2 during early ventricular filling.
HLS_HS_002615s4,000 HzCC BY 4.0
Track 27
Late Diastolic Murmur
Left lower sternal border · Male manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_002715s4,000 HzCC BY 4.0
Track 28
Atrial Fibrillation
Left upper sternal border · Female manikinAn irregularly irregular simulated rhythm without consistent atrial timing.
HLS_HS_002815s4,000 HzCC BY 4.0
Track 29
Tachycardia
Left costal margin · Female manikinA regular simulated heart rhythm at an increased rate for timing comparison.
HLS_HS_002915s4,000 HzCC BY 4.0
Track 30
Tachycardia
Apex · Female manikinA regular simulated heart rhythm at an increased rate for timing comparison.
HLS_HS_003015s4,000 HzCC BY 4.0
Track 31
Late Diastolic Murmur
Left upper sternal border · Female manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_003115s4,000 HzCC BY 4.0
Track 32
S3
Apex · Female manikinAn additional low-frequency sound shortly after S2 during early ventricular filling.
HLS_HS_003215s4,000 HzCC BY 4.0
Track 33
S4
Left upper sternal border · Male manikinA presystolic additional sound immediately before S1, associated with late ventricular filling.
HLS_HS_003315s4,000 HzCC BY 4.0
Track 34
AV Block
Left lower sternal border · Male manikinA normalized av block auscultation recording.
HLS_HS_003415s4,000 HzCC BY 4.0
Track 35
S3
Left costal margin · Female manikinAn additional low-frequency sound shortly after S2 during early ventricular filling.
HLS_HS_003515s4,000 HzCC BY 4.0
Track 36
AV Block
Apex · Male manikinA normalized av block auscultation recording.
HLS_HS_003615s4,000 HzCC BY 4.0
Track 37
Tachycardia
Left upper sternal border · Male manikinA regular simulated heart rhythm at an increased rate for timing comparison.
HLS_HS_003715s4,000 HzCC BY 4.0
Track 38
Atrial Fibrillation
Left costal margin · Male manikinAn irregularly irregular simulated rhythm without consistent atrial timing.
HLS_HS_003815s4,000 HzCC BY 4.0
Track 39
Late Systolic Murmur
Left upper sternal border · Male manikinA murmur emerging in the latter part of systole, demonstrated across several listening positions.
HLS_HS_003915s4,000 HzCC BY 4.0
Track 40
Late Diastolic Murmur
Left lower sternal border · Female manikinA low-frequency simulated murmur occurring late in diastole before the next S1.
HLS_HS_004015s4,000 HzCC BY 4.0
Track 41
Mid Systolic Murmur
Left upper sternal border · Female manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_004115s4,000 HzCC BY 4.0
Track 42
Mid Systolic Murmur
Left lower sternal border · Female manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_004215s4,000 HzCC BY 4.0
Track 43
AV Block
Right costal margin · Male manikinA normalized av block auscultation recording.
HLS_HS_004315s4,000 HzCC BY 4.0
Track 44
Normal
Left lower sternal border · Male manikinBaseline simulated heart sounds with regular S1–S2 timing for comparison with added sounds and murmurs.
HLS_HS_004415s4,000 HzCC BY 4.0
Track 45
Mid Systolic Murmur
Right upper sternal border · Male manikinA crescendo–decrescendo murmur centered in systole; compare how it changes across auscultation positions.
HLS_HS_004515s4,000 HzCC BY 4.0
Track 46
S3
Left lower sternal border · Male manikinAn additional low-frequency sound shortly after S2 during early ventricular filling.
HLS_HS_004615s4,000 HzCC BY 4.0
Track 47
Early Systolic Murmur
Left lower sternal border · Female manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_004715s4,000 HzCC BY 4.0
Track 48
Late Systolic Murmur
Left lower sternal border · Female manikinA murmur emerging in the latter part of systole, demonstrated across several listening positions.
HLS_HS_004815s4,000 HzCC BY 4.0
Track 49
Early Systolic Murmur
Apex · Male manikinA murmur beginning with S1 and ending before S2, demonstrated at multiple precordial locations.
HLS_HS_004915s4,000 HzCC BY 4.0
Track 50
Atrial Fibrillation
Right upper sternal border · Male manikinAn irregularly irregular simulated rhythm without consistent atrial timing.
HLS_HS_005015s4,000 HzCC BY 4.0
Open dataset attribution
Source 1: Evgenikos & Papageorgiou, HLS-CMDS UNIWA ICU-LAB Curated and Normalized Version, v1.0.0. Original recordings by Torabi, Shirani & Reilly. CC BY 4.0. Clinical-manikin audio for education and simulation—not diagnosis.
Dataset & DOIFull attributionCC BY 4.0