Comparison Chart

Audio Spectum
Audio RTA
Audio Spectrogram
Audio Analyzer
Ultrasonic Analyzer
Spectrogram analyzer


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Spectrum analyzer – FFT Plot
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Audio RTA

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Oscilloscope



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SPL Meter

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Listening to transposed ultrasounds during recording




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Sampling rate 44.1kHz
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Sampling rates: 48kHz, 96kHz*
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Sampling rates: 192kHz, 200kHz, 250kHz, 384kHz*




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Variable FFT window sizes
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Octave RTA analyzer: bands - full, 1/3, 1/6, 1/12

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Max/min Octave RTA values

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SPL meter weighting: dBZ - linear

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Recording trigger



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Zoom and pan charts
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Measure values in charts
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Playback analysis


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Slow down playback – transpose required octaves down




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PIP (picture-in-picture)



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Audio input via the built-in microphone
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Audio input via an external microphone
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Frequency scale – logarithmic
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Frequency scale – linear
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Amplitude scale – logarithmic SPL/RMS
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Amplitude scale – linear
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Variable spectrograms length



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Variable spectrograms length** (depends on set resolution)



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Variable frequency resolution of the spectrogram**



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Variable between FFT computations time interval**



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Sharing charts (through mail, social networks, clipboard)
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Sharing recordings (through mail, social networks, clipboard)



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Exporting to the iTunes app document folder image charts
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Exporting to the iTunes app document folder audio recordings



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Importing from another application audio files



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Importing from the iTunes app document folder audio files



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Automatic conversion from other sampling rates for imported files



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*For real-time 96kHz-384kHz analysis use an external microphone with such capabilities through a USB camera adapter or through the iPhone/iPad dock connector.
**Only available on devices with 64 bit processors



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