Opis Frequency Sound Analyzer-Frequency Sound Generator

On average, the human ear perceives frequencies between 20Hz and 20000Hz, but this perception can deteriorate with age, especially for frequencies close to ultrasound.
Keep in mind that the generated tones can be very annoying and irritating for your surroundings. Always use this application responsibly
Note: When generating ultrasonic tones (20000 Hz and more), your device's speaker may produce additional parasitic sounds. Hearing those sounds does not mean you can hear the actual frequency being played.

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