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A spectrogram in your pocket

To: bioacoustics cornell <>
Subject: A spectrogram in your pocket
From: serge masse <>
Date: Tue, 19 Apr 2011 15:59:45 -0700
A spectrogram in your pocket: )s) SpectrogramOne is an Android app that performs a spectrogram analysis on live sounds from the device microphone. It works on Android 1.6 and above.

It uses an implementation of the FFT from It runs at 20 cycles per second. It samples voltages at 48,000 samples per second. It uses an array of 512 voltage samples for the FFT. 

This is the first version of the app and if there is sufficient interest, I am planning to add functions to allow the user to set these parameters. 

More info at  

Serge Masse
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