About Sound Spectrum
Visualize sound from your Android's microphone. Technical specification: Recording ☆ Sample rate: 44100 Mono ☆ Chart buffer: 5 seconds Decibel Level ☆ Reference pr
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
Previous Versions
Here you can find the changelog of Sound Spectrum since it was posted on our website on 2019-09-13 12:18:41.
The latest version is 1.07 and it was updated on 2024-04-22 10:01:59. See below the changes in each version.
Sound Spectrum version 1.07
Updated At: 2016-07-08
Changes: Support zoom for wave graph
Disclaimer
Official Google Play Link
We do not host Sound Spectrum on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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