Use APKPure App
Get Extra Hz old version APK for Android
High resolution audio spectrum analysis, frequency range within 20-20k Hz
High resolution audio spectrum analysis, frequency range within 20-20k Hz
You use build-in mic to collect audio data
or "TRRS 3.5 Jack to Mic and Speaker" adapter to connect audio source
Example usage:
1. As a reference for tuning equalizer
2. Testing frequency response of speaker