Spectrum Analyzer APK
最新版本
11.3 for Windows
更新
2011年December10日
信息
版 11.3 (#1)
更新 2011年December10日
APK檔案大小 1 MB
Android 最低版本需求 Android 2.3+ (Gingerbread)
開發人員 AndWaves, LLC
類別 音樂與音效 (應用)
應用 ID com.andwaves.spectrumanalyzer
開發者備註 Graphically displays the waveform and frequency spectrum of sounds
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最新異動
Spectrum Analyzer 11.3的新功能
Modified threading so SpectrumAnalyzer runs more reliably on a variety of Android devices. It has been tested on an Evo 4G and a Samsung Moment.
FFT reduced from 1024 samples to 512 samples. This is because screens typically don't have more pixels in width than around 500 pixels.
Runs on API-3 emulator.
FFT reduced from 1024 samples to 512 samples. This is because screens typically don't have more pixels in width than around 500 pixels.
Runs on API-3 emulator.
內容描述
SpectrumAnalyzer has a very simple interface consisting primarily of an onscreen ON/OFF switch. The normal output is a display of the Fourier spectrum of the audio picked up by the microphone. No advertisements.
There are a few options available via the Android Menu key. The user may toggle to switch between a white or black background. The user may also view the actual sound waves directly (as opposed to viewing their frequency spectrum).
The duration of the sound snippet is 0.1 second.
I have noticed that there are two lines at 7,200 and 14,400 Hertz while developing Spectrum Analyzer. I suspect these sounds are emitted from the hard disk that runs at 7200 RPM. Outside, I noticed crickets chirping around 5,600 Hertz.
To learn more about frequency spectra see the one-page tutorial on our website, https://sites.google.com/a/andwaves.com/www/home/about-fourier-transforms
The program uses the new Google licensing standard. In theory this means the program can be copied to an SD card, freeing up internal memory in the Android, although I haven’t tried it.
If you have purchased the software and need help or would like to discuss your application, I will be happy to spend a few minutes with you on the phone (321.252.8205).
There are a few options available via the Android Menu key. The user may toggle to switch between a white or black background. The user may also view the actual sound waves directly (as opposed to viewing their frequency spectrum).
The duration of the sound snippet is 0.1 second.
I have noticed that there are two lines at 7,200 and 14,400 Hertz while developing Spectrum Analyzer. I suspect these sounds are emitted from the hard disk that runs at 7200 RPM. Outside, I noticed crickets chirping around 5,600 Hertz.
To learn more about frequency spectra see the one-page tutorial on our website, https://sites.google.com/a/andwaves.com/www/home/about-fourier-transforms
The program uses the new Google licensing standard. In theory this means the program can be copied to an SD card, freeing up internal memory in the Android, although I haven’t tried it.
If you have purchased the software and need help or would like to discuss your application, I will be happy to spend a few minutes with you on the phone (321.252.8205).
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