Real-time frequency and period measurement of repeating signals using your device's microphone.
“Highly recommend the Spectroid app for android. Helped me determine that the crazy high frequency I was hearing... was an 11khz sound that I was able to trace back to the Horizontal Linearity coil.” Facebook · 2 months ago programma chastotomer skachat
Measuring loudspeaker response, studio calibration, and identifying harmonic distortion. was an 11khz sound that I was able
“I use several apps from keuwlsoft, which are great and simple to use. I can definitely recommend their function generator. There's a frequency counter and a spectrum analyzer as well.” Reddit · r/AskElectronics · 3 years ago Comparison Table Primary Use Android / PC (via Emulator) Basic tone/period measurement Spectroid Android / iOS Real-time spectral analysis Room EQ Wizard Windows / macOS / Linux Professional room/speaker calibration Voxengo SPAN Windows / macOS (VST/AU) Music production/mixing There's a frequency counter and a spectrum analyzer as well