Based on android platform audio communication source, signal modulation using 2FSK, while providing peripheral to the audio port provides a square wave signal generating maximum energy output.

SoundCommunicate\.classpath
................\.project
................\.settings\org.eclipse.core.resources.prefs
................\.........\org.eclipse.jdt.core.prefs
................\AndroidManifest.xml
................\bin\AndroidManifest.xml
................\gen\com\android\soundcommunicate\BuildConfig.java
................\...\...\.......\................\R.java
................\ic_launcher-web.png
................\libs\android-support-v4.jar
................\....\.rmeabi\libencoder_decoder_core.so
................\proguard-project.txt
................\project.properties
................\res\drawable-hdpi\ic_action_search.png
................\...\.............\ic_launcher.png
................\...\.........ldpi\ic_launcher.png
................\...\.........mdpi\ic_action_search.png
................\...\.............\ic_launcher.png
................\...\.........xhdpi\ic_action_search.png
................\...\..............\ic_launcher.png
................\...\layout\activity_sound_communicate.xml
................\...\menu\activity_sound_communicate.xml
................\...\values\strings.xml
................\...\......\styles.xml
................\src\com\android\soundcommunicate\DecoderCore.java
................\...\...\.......\................\EncoderCore.java
................\...\...\.......\................\MessageOut.java
................\...\...\.......\................\PowerSupply.java
................\...\...\.......\................\SoundCommunicate.java
................\...\...\.......\................\SoundRecord.java
................\bin\classes\com\android\soundcommunicate
................\...\.......\...\android
................\gen\com\android\soundcommunicate
................\src\com\android\soundcommunicate
................\bin\classes\com
................\gen\com\android
................\src\com\android
................\bin\classes
................\...\res
................\gen\com
................\libs\armeabi
................\res\drawable-hdpi
................\...\drawable-ldpi
................\...\drawable-mdpi
................\...\drawable-xhdpi
................\...\layout
................\...\menu
................\...\values
................\src\com
................\.settings
................\assets
................\bin
................\gen
................\libs
................\res
................\src
SoundCommunicate

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