Heart Sound Stethoscope

- Show spectrum or spectrogram in real-time, with decent axis labels.
- Linear, Logarithm and Note frequency axis support.
- Possible to take averages of several spectrum then plot, make the spectrum smoother.
- You may record the sound (while analyzing) to a WAV file (PCM format).
- All recorder sources except those need root privilege.
- All possible sampling rates that your phone is capable.
- Listening of heart sound using wire or bluetooth connected headphones
- Equalizing of sound