If you are looking for the Best iPhone Rta App to download for free, look no further.
Our expert panel of reviewers has tested dozens of apps and we have compiled a list of the 5 Best iPhone Rta App that passed our tests.
Check out our list of the 5 Best iPhone Rta App, tried and tested by our expert reviewers.
5 Best iPhone Rta App
1. Audio Spectrum Analyzer dB RTA
“Spectrum Analyzer is full of fantastic advanced features you won’t find elsewhere easily!
This app offers a fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and professional A/V engineers. This incredibly precise, pro level tool is perfect for tuning your home cinema, car stereo, subwoofers, and more. Spectrum analyser gives insight into your sounds and deconstructs the audio spectrum, showing the levels of the various frequencies in your audio signal.
The built-in sound meter provides high-quality measurement results when measuring ambient noise levels in a multitude of real-life scenarios.
● Octave Band Real-Time Analyzer
● FFT Plot – Fast Fourier Transform
● Smooth HD Graphics
● Multispectral Harmonic Analyzer
● Integrated Sound Level Meter (dB-A weighted)
● FFT size from 256 to incredible 16384
● Hold Max and (unique feature) Min peaks
● Linear and Logarithm scales
● Various window functions: Rectangle, Hanning, Hamming, Tukey, Cosine, Lanczos, Blackman
● Max frequency live tracking
● Selected frequency live tracking
● Fullscreen mode
Octave RTA features
● Bars and unique spline plot modes
● Full, 1/3, 1/6 octave modes
● Hold max mode
● Selected bar tracking.
And much more…
Please feel free to contact us with any questions, problems or ideas via e-mail email@example.com.
2. Octave RTA
“***** “I use this app when sound checking, does the job, nice & simple to use, can’t fault it.” – Colin Challinor
Octave RTA is a powerful real-time audio analysis app. Designed with musicians and recording engineers in mind, it can also be used by anyone interested in the world of sound. Ideal for room tuning or speaker tuning, the app enables portable, precision audio measurement and visualization.
● Full, 1/3 and 1/6 Octave
● FFT Size (2048 to 16384 points)
● Fast, Slow (exponential) and Infinite Averaging
● Toggle between Flat, A and C weighted modes
● Snapshot overlay for quick comparison
● Lock mode to auto track peak band
● Pan to adjust visible dB range
● iPhone X ready
Audio credits: “Basement Floor” and “Enchanted Journey” by Kevin MacLeod”
“A Real Time Analyzer for the iPhone, iPad and iPod Touch. Test your speakers, tune your room, do acoustical analysis work or just have a better understanding of audio frequencies. RTA is a professional-grade acoustical analysis tool. All filters meet or exceed ANSI and IEC Class 1 specifications.
Includes Octave and 1/3 Octave modes, with selectable decay times, as well as Peak Hold and true linear Average mode.
*** iOS Microphones
We have analyzied every iOS device, including all of the iPads, all iPhones, and iPod touches, and have created microphone compensation files that are applied automatically. You can trust the results you are getting, often within just a few dB of a far more expensive analyzer. Calibration is updated regularly, automatically, from our cloud-based calibration database.
Upgrade to our iTestMic or iAudioInterface2 to bring your system up to full professional specs.
*** Save and Recall Graphs
You can save and recall graphs, marked with the GPS location, date & time, and your comment, as well as store the image to your photo roll.
Export the data as an XLS formatted file to your computer for inclusion in reports or further analysis.
*** Max and Min Bars
You can also turn on resettable Max/Min bars (see image #4) to capture peaks. Double-tap to reset the bars.
*** Specifications and Devices
The internal iPhone mic has a noise floor near 30 dB, and if your are running iOS 6, clips around 120 dB.
*** Touch GUI
Fully interactive touch GUI features includes scroll up/down, pinch to zoom or compress the vertical dB scale, or swipe horizontally to get a cursor that reads out the exact dB level and frequency across the screen. To make the cursor disappear, swipe it off the graph to the left.
The landscape-mode display flips 180 degrees so that you can face the internal mic in either direction.
*** Overlay Curves
Also included are optional noise curve overlays, in NCB, RC, PNC, NC, X-Curve and NR mode. See picture #2 for an example. Use this feature to get a quick reading on the noise levels in a room. Also includes the cinema large-room X-curve overlay.
RTA can be fully calibrated, whether you are using it with the internal iOS microphone, or one of our professional test & measurement mic solutions. And, if you are using iTestMic, the mic calibration is transmitted directly to the app, so you are always calibrated.
*** RTA or FFT?
If you are wondering if you should download this app or our FFT app, check out our website, we have a page devoted to this topic.
See our other acoustics and audio apps, including AudioTools.”
4. RTA Audio
Realtime analyzer with recording and Visualizer module with export.
••• Realtime analyzer •••
Realtime analyzer gives you the ability to analyze realtime audio input (built-in microphone or external audio accessory inputs) using Fast Fourier Transform with selected window function. You can also record the input for future offline processing or export.
••• Visualizer •••
This module presents you the results of offline audio analysis. Selecting previously captured recording gives the graph view, spectrogram and waveform of the audio data. Simple controls gives you the ability to play, loop, seek and change rate of the recording synchronized with analysis data presentation. Export function allows you to share or archive your analysis. Resulting PDF document contains basic recording information, spectrogram, peak & RMS graph and frequency table data with maximum peaks (with the time of the occurrence in recording)
••• Features •••
Resolution: 1/2 – 1/96 Octave
Logarithmic frequency scale
Fixed frequency range (20 – 20kHz)
Tone scale view C₀- H₈ (A₄ = 440Hz)
Peak hold graph
Peak average graph
RMS average graph
Pointer (watch) function
Peak and RMS input meter
••• Audio input specification •••
Audio session mode – measurement
Input gain control
Sample rate: 48000 Hz
Bit depth: Float32
Frequency range: 20Hz – 20kHz
Dynamic range: -100dB – 0dB
••• FFT (Fast Fourier Transform) specification •••
Frame size: 8192
Overlap: from 60% to 90%
Smoothing Window: Bartlett-Hann, Blackman, Blackman-Harris (default), Blackman-Nuttell, Cosine, Flat Top, Gauss, Hamming, Hann, Lanczos, Nuttall, Rectangular, Triangular
5. Spectrum Analyzer RTA
“***** “As a former IEEE Technical Committee Chair for Signal Processing, I find this app amazingly flexible and useful. Works very well with its proper designed-in control selections.” – Roblake
Spectrum Analyzer for iOS is a powerful real-time audio analysis app. Designed with musicians and recording engineers in mind, it can also be used by anyone interested in the world of sound. Ideal for room tuning or speaker tuning, the app enables portable, precision audio measurement and visualization.
● Octave Band Real Time Analyzer
● FFT Plot (Fast Fourier Transform)
● Spectrograph module
● Test Tone and White/Pink Noise Generator
● Native iPhone X graphics
>>> Check out the demo videos at SpectrumAnalyzerApp.com
Audio input may be acquired via the built-in microphone or an external measurement microphone. For best results we recommend using a calibrated measurement microphone connected via USB audio interface or iPhone dock connector. This allows for high precision and flat frequency response, as well as for stereo input.
“Basement Floor” and “Enchanted Journey” by Kevin MacLeod
“Evening Birdsong” and “Cuckoo” by Benboncan”