Audio Tool v7.3.1 Apk

Audio Tool v7.3.1 Apk

Features 1-1, 1-3 & 1-6 octave RTA modes, Leq, RT60, Spectrogram, Peak frequency, Fast, Medium & Slow filters, Flat & A/C Weighting and film industry X Curve, Averaging, SPL Chart Recorder, Noise Criteria, White/Pink Noise, Sine, Square, Triangle, Sweep, Ramp and Impulse signals & loudspeaker polarity checker, L/R select. RTA Store & Load, Hann windows, “Keep Screen On”, pinch to zoom, scroll to center.

AudioTool FFTs sets of samples recorded at the microphone. Aliasing reduced by Hann windowing. SPL calculated in real time. Spectra may be saved as files on the SD card, then loaded and displayed with the live spectrum. The (Store) button stores the current live spectrum (Load) shows a list of stored spectra to select.

A pair of cursors can be shown on the RTA and Chart Recorder displays: each can be moved to any position, and will display the SPL & time/frequency values there. Initially, both cursors are positioned mid-screen – simply drag them to a new position with the fingertip. The cursors can be turned on and off in the Menu.

The (Noise Criteria) function shows a set of NC contours overlaid on the 1/1 Octave RTA display and the calculated real time current NC value is also shown.

RT60 measurements can be made by starting the (RT60) component using the “RT60” button, and then using a loud clap to trigger the measurement. RT60 can also be used with Pink Noise from the AudioTool generator. RT60 times measure how much reverberation or echo there is in a room or auditorium.

Audio Tool v7.3.1 Apk

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