기술
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
이전 버전
- 09/27/2022: Sound Spectrum 1.07
- Report a new version
- 앱 이름: Sound Spectrum
- 종류: 음악 및 오디오
- 앱코드: com.meerkatlab.soundspectrum
- 버전: 1.07
- 요구 사항: 4.3이상
- 파일 크기 : 1.66 MB
- 업데이트: 2022-09-27
