Professional Audio Toolbox

Professional Audio Toolbox puts sixteen tools for sound engineers, acousticians and musicians in one app. One purchase covers iPhone, iPad and Apple Watch. No subscription, no ads, no account, and no audio ever leaves your device. MEASURE • SPL Meter: A, C and Z frequency weighting, Fast, Slow and Impulse time weighting, Leq, Lmin, Lmax and C-weighted peak, with a clipping warning. • Spectrum Analyzer (RTA): octave, 1/3-octave and 1/6-octave bands on IEC centre frequencies, averaging and peak hold. • Spectrogram: frequency over time on a logarithmic scale, with adjustable range. • Oscilloscope: triggered waveform, timebase and gain, frequency readout. • Loudness Meter: momentary, short-term and integrated LUFS following ITU-R BS.1770, loudness range, true peak, and targets for streaming and broadcast. • Goniometer: stereo vectorscope and phase correlation meter for stereo inputs. PLAY •…