RTA Audio app for iPhone and iPad
Developer: AiNeuron s.r.o.
First release : 11 May 2012
App size: 2.14 Mb
••• 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