Figure 1
From: Frequency shifting approach towards textual transcription of heartbeat sounds
Waveform of a normal heart sound. S1 denotes first heart sound S2 denotes second heart sound.
Figure 1 | Biological Procedures Online
From: Frequency shifting approach towards textual transcription of heartbeat sounds
Waveform of a normal heart sound. S1 denotes first heart sound S2 denotes second heart sound.