Audio Spectrum Analyzer - OscilloMeter 5.11 Audio Spectrum Analyzer Real-time FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meters, phase shift meter. | Personal Ear Trainer 1.10 Ear Training for musicians: Intervals, Triads, Chords, Scales, Melody, Rhythm. Accelerate your musical development, hone your skills, take
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