ActivePinger2

☆ Check out my other free app “Sonic Messenger”. A messaging app that uses ultrasonic sound to communicate.

☆ New feature added for wireless microphone

** In order to utilize your device as a wireless microphone you must install our free app: Wireless Mic

ActivePinger is an App that generates acoustic waveform commonly used by sonar (submarine, bat) and displays the results in real-time. Depending on your surrounding environment, you can see the reverberation after pinging. Unlike most Apps, ActivePinger is actually two Apps combined into one: Signal Generator and Spectrogram display. There are six waveform to choose from: Continuous Wave(CW), Coxcomb, Geometric Comb, Costas Waveforms, Pseudorandom waveform(PRNG) and Hyperbolic Frequency Modulation(HFM) waveform. This tool is great for students and professional engineers studying in the field of sound and vibration since you can see the results of the pinging waveform in real-time. If you are an engineer professional, engineering students, oceanographer, bird watching enthusiast, musician, pianist, guitar and speaker tuning, or interested in signal processing. The app act as an RTA and spectral FFT analyzer and tone generator.

Features:

☆ Two zooming methods: Pinch to Zoom and One-hand Zoom.

☆ Can load or export .WAV file.

☆ Has bin resolution of 1 hz or max FFT size of 44100Hz

☆ Can be Linear or Logarithmic scale

☆ Matlab like color-maps, 17 total.

☆ Does variable data overlap of 90%, 80%, 75% and 50%

☆ Digital Filter: Low-pass, High-pass and Band-pass Filter

☆ Eight classic Windowing method such as: Hanning, Hann, Gaussian, Blackman...etc

☆ Select-able microphone input for external mic.

☆ Has Max Hold the high waveform for comparing to current wave.

☆ Is calibrated to work with device orientation. Default is landscape mode.

☆ Has a max frequency indicator that give the high signal amplitude shown on screen

☆ Graph has the capabilities to auto scale.

☆ Zoom in or out for viewing data at high resolutions.

☆ Three displays: Time-Domain and Frequency-Domain and Spectrogram.

☆ Can generate well known sonar ping.

☆ Signal conditioning such as averaging or setting data threshold trigger.

☆ Can trigger based on SPL for time or frequency mode.

☆ The ability to take screen capture and send email

☆ Able to adjust color intensity display to filter certain amplitude

☆ And many more features!

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See our other apps: Ultimate Audio, IGram, ISpectral