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Acoustic Data Telecommunication Library. This is for Android version.
Euphony provides a handiness library designed to communicate with other devices(android and web) using mic and recorder.

• Official Facebook Page
• Official Library Site

Prerequisite

1. build.gradle in app module

dependencies {
    implementation 'co.euphony.lib:euphony:0.8.1.2'
}

2. AndroidManifest.xml

<uses-permission android:name="android.permission.RECORD_AUDIO" />

For more detailed prerequisite, please refer to the link below.

• Full Prerequisite Guide

Euphony is very easy to use

Transmitter

EuTxManager mTxManager = new EuTxManager();
mTxManager.setCode("Hello, Euphony"); // To generate acoustic data "Hello, Euphony"
mTxManager.play(-1); // generate sound infinite.

Receiver

EuRxManager mRxManager = new EuRxManager();
mRxManager.setAcousticSensor(new AcousticSensor() {
@Override
    public void notify(String letters) {
        //when data is received
    }
});

mRxManager.listen();  //Listening Start
// if you want to finish listening, call the finish();
// mRxManager.finish();

Below links are detail guides.

• Getting Started Guide
• How To Build & Unit Test Guide

Architecture

Web version

Web version is also available now. but only transmitter version.

• Web version : This is written in Javascript.

Sample Projects

• Euphony Listener : Euphony Demo to recognize sound data.
• Euphony Speaker : Euphony Demo to generate sound data.
• Sound Helper : Euphony Demo for patients and assistants in case of an emergency.
• Soundless Check-in : Euphony Demo to check in through sound wave.
• Here Is My Card : Euphony Demo for sharing business cards.
• Looking For Job : Euphony Demo to send and receive resumes.
• Listen My Order : Euphony Demo for communicate restaurant menu information.
• Wave-In : COVID-19 Check-in solution using a safe number based on MVVM model.
• Wave-In (for store) : COVID-19 Check-in solution for store using a safe number based on MVVM model.
• Account Touch : Euphony Demo for sharing account.
• Wave Show Card : Wave Show Card helps visually impaired people listen to the show card.
• Order-With : Euphony Demo for taking / making order in restaurant in distance easily.
• Waple : Euphony Demo for quick Wi-Fi password sharing.

Contributing

Changes and improvements are more than welcome! Feel Free to fork and open a pull request. Please make your changes in a specific branch and request to pull into master.

License

• Apache 2.0 : Euphony is licensed under the Apache 2.0 license.