RTA Audio

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    ••• Real-time analyzer with resolution up to 1/96 Octave •••

    This tool gives you the ability to analyze the quality of your audio system in an accurate way and to find out the sound intensity your system emits at different frequencies. Easily find frequency swings, then set up your equalizer to take them into account based on the information provided by the app. RTA Audio analyzes the signal from a microphone or the line-in input.

    ••• Features •••

    Resolutions: 1/2, 1/3, 1/6, 1/12, 1/24, 1/48, 1/96 Octave
    Logarithm frequency scale
    Adjustable frequency range (20 - 20kHz)
    Tone scale view C₀- H₈ (A₄ = 440Hz)
    Graph modes: line, curve, box
    Peak hold graph
    Peak average graph
    RMS average graph
    Pointer function
    Response time: fast, slow, long
    Peak and RMS input meter
    Freeze function
    Save screenshot function

    ••• Recording specification •••

    Audio session mode - measurement
    Software input gain control
    Hardware input gain control
    Sample rate: 48000 Hz
    Bit depth: 16bit
    Channel: 1(mono)
    Frequency range: 6Hz - 24kHz
    Dynamic range: -100dB - 0dB

    ••• FFT (Fast Fourier Transform) specification •••

    Frame size: 8192
    Overlap: 75%
    Smoothing Window: Blackman-Harris
    Double precision calculation
    Hardware acceleration

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