TrueRTA 's audio spectrum analyzer software shows you a detailed picture of. The screen shot below shows TrueRTA evaluating the performance of the E-MU 0404 USB sound system with a 1kHz sine wave where the 1 kHz distortion components are seen to be below -100 dB (i.e., less than 0.001%). Download the FREE TrueRTA Level 1 sound analyzer.
![Sound wave analyzer review Sound wave analyzer review](http://www.fountainware.com/Products/Spectracizer/MainScreen.png)
Offers in-app purchases
Spectrum Analyze gives you real-time spectrum data from the microphone on your Android device.
Features in Free Version
* No Ads
* 44100 Hz sampling rate
* Max frequencies up to 22050 Hz (1/2 sampling rate)
* 8192 samples per spectrum
* ~5.4 Hz Resolution per point
* Peak Detect of whole spectrum and your local window
* Pinch to Zoom
* Tap to Pause
* Max Hold
* Take Screenshot
* Share on Facebook, Gmail and many more
Features in Premium Version.
* Limited time 99 cent app! Will increase price as more features are added.
* Help out the developer to keep adding more features!
* Beta Log Frequency Scale
* Adjustable sample rate from 8000 Hz to 48000 Hz
* Max frequencies up to 24000 Hz (1/2 sampling rate)
* Adjustable Size of FFT up to 100000 samples
* Not limited on Power of 2 sized FFTs (Must be even though)
* Autoscale
* Adjustable Manual Scale
If you purchase the app and don't like it contact me for a refund.
Contact on Reddit: Raspberrywood
Features in Free Version
* No Ads
* 44100 Hz sampling rate
* Max frequencies up to 22050 Hz (1/2 sampling rate)
* 8192 samples per spectrum
* ~5.4 Hz Resolution per point
* Peak Detect of whole spectrum and your local window
* Pinch to Zoom
* Tap to Pause
* Max Hold
* Take Screenshot
* Share on Facebook, Gmail and many more
Features in Premium Version.
* Limited time 99 cent app! Will increase price as more features are added.
* Help out the developer to keep adding more features!
* Beta Log Frequency Scale
* Adjustable sample rate from 8000 Hz to 48000 Hz
* Max frequencies up to 24000 Hz (1/2 sampling rate)
* Adjustable Size of FFT up to 100000 samples
* Not limited on Power of 2 sized FFTs (Must be even though)
* Autoscale
* Adjustable Manual Scale
If you purchase the app and don't like it contact me for a refund.
Contact on Reddit: Raspberrywood
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2,762 total
4
2
4.4.2
Minor fix for the in-app purchase
Minor fix for the in-app purchase
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June 25, 2014
147k
100,000+
5.0.3
2.2 and up
UAH 11.79 per item
Raspberrywood
5213 lariat dr, loveland, co 80538