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Visualize sound from your Android's microphone.
Visualize sound from your Android's microphone.
Technical specification:
Recording
☆ Sample rate: 44100 Mono
☆ Chart buffer: 5 seconds
Decibel 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
میں نیا کیا ہے 1.07 تازہ ترین ورژن
Last updated on Jul 8, 2016
Support zoom for wave graph
ترجمہ لوڈ ہو رہا ہے...
Sound Spectrum
1.07 by Meerkat Laboratory
Jul 8, 2016