The app could also help you get into a safe with a mechanical combination lock for which you have forgotten the code: With your device acoustically coupled to the safe’s dial, turn the dial slowly, you can ‘hear’ when a tumbler drops in, because the spectrum of the sound will be very slightly different than turning one ‘normal’ tick (depending on the build quality of the safe). Speccy has been used successfully to find gas leaks, test ultrasonic pest control equipment and has even used by EVP enthusiasts to try and detect ghosts! As people age over 20 years, their aural perception range drops well below 21 kHz Measuring audio signals just outside human perception.Comparing the quality of different brands of headphones.Identifying audio signals obscured to the human ear by noise.Sound checking venues PA systems and in-car stereos.

Assessing environmental noise for health and safety.

Speccy has a wide variety of uses, such as: It supports the most languages of any similar app (English, Spanish, Portuguese, Polish, German, Italian, Russian, French and Thai) and is the only app which also lets you export audio snapshot data to the clipboard (for plotting in Excel, etc).

Turn your phone into a Spectrum Analyzer. Speccy is an Audio Spectrum Analysis tool, which visualizes the spread of sound frequencies in the audible (and inaudible) spectrum, detected through your device’s microphone, using Fast Fourier Transform signal processing.

Speccy apk