A free spectrum analysis app for your iDevice. LED Audio Spectrum emulates a classic spectrum analyzer device. The app uses the iPhone’s microphone* to visualize music through colorful 2D graphics that bounce to the beat!

Feature Highlights:

  • High resolution color display with 24 LED arrays
  • High speed sampling for fluid, real-time graphics
  • Different color themes and display modes to choose from
  • Microphone sensitivity level control

LED Audio is compatible with iPad, iPhone and iPod touch. External microphone is required for older iPod touch models.

NOTE: This is the ad-supported free version of LED Audio Spectrum. The ad-free version is also available on the App Store!

* The app can visualize audio from built-in microphone or an external audio source. It can not access iPod music directly as this is not technically possible at present.


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