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关于Frequency Spectrum
一个20Hz到20kHz的频谱为您的麦克风。
This is a free frequency spectrum that I have developed for my music app. I used it to test on my keyboard and get very accurate reading. Place your finger on the spectrum to get the respective frequency. It has an accuracy of +/- 5 Hz.
It has an auto peak detection on the graph in red dot and the maximum frequency value to top right.
To be release musical app that uses this spectrum is
1. Power spectrum with Cepstrum to find fundamental frequency. https://play.google.com/store/apps/details?id=com.appspot.harmoncepstrum release on 040215
2. Piano spectrum. Published under app name Polyphonic Pitch Detector.
https://play.google.com/store/apps/details?id=com.appspot.harmonpiano released on 270115
3. Spectrogram for midi note 030515 https://play.google.com/store/apps/details?id=com.appspot.musictranscription
最新版本1.2的更新日志
Last updated on 2015年10月26日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
视频和屏幕截图
Frequency Spectrum历史版本
Frequency Spectrum 1.2
2.1 MB2015年10月26日
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