Description
Visualize sound from your Android's microphone.Technical specification:Recording
☆ Sample rate: 44100 Mono
☆ Chart buffer: 5 secondsDecibel Level
☆ Reference pressure p0 = 20uPa
☆ decibel equation: 20 x Log10 (RMS/p0)Frequency Spectrum
☆ Hanning Window
☆ FFT size: 4410 (100 ms)
☆ Overlapping: 80%
☆ Frequency: 1 Hz ~ 4 KHz over 64 groups
Credits:
☆JTransforms for FFT calculations. https://github.com/wendykierp/JTransforms
☆ Sample rate: 44100 Mono
☆ Chart buffer: 5 secondsDecibel Level
☆ Reference pressure p0 = 20uPa
☆ decibel equation: 20 x Log10 (RMS/p0)Frequency Spectrum
☆ Hanning Window
☆ FFT size: 4410 (100 ms)
☆ Overlapping: 80%
☆ Frequency: 1 Hz ~ 4 KHz over 64 groups
Credits:
☆JTransforms for FFT calculations. https://github.com/wendykierp/JTransforms
Old Versions
- 09/27/2022: Sound Spectrum 1.07
- Report a new version
- App Name: Sound Spectrum
- Category: Music & Audio
- App Code: com.meerkatlab.soundspectrum
- Version: 1.07
- Requirement: 4.3 or higher
- File Size : 1.66 MB
- Updated: 2022-09-27
