Android Audio Jack Programming

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Using the Audio Jack as Data Interface on Android …

https://www.codeproject.com/Articles/900071/Using-the-Audio-Jack-as-Data-Interface-on-Android

First, we need to modulate the data value using a 38k frequency sine waveform to generate buffer data; then we use the Android audio API …

GitHub - KimJeongYeon/jack2_android: jack audio …

https://github.com/KimJeongYeon/jack2_android

JACK Audio Connection Kit for Android. This project is JACK Audio Connection Kit for Android. (See also http://jackaudio.org/) Runs on latest android 4.4.2 platform. Based on latest official JACK2 (jack-1.9.9.5) Support both ALSA …

High-performance audio | Android NDK | Android …

https://developer.android.com/ndk/guides/audio/

High-performance audio. High performance audio apps typically require more functionality than the simple ability to play or record sound. They demand responsive realtime system behavior. Some typical use cases include: This section explains the general principles of minimizing audio latency . It also provides advice about audio sampling , to ...

Android serial port via audio jack - Stack Overflow

https://stackoverflow.com/questions/8425617/android-serial-port-via-audio-jack

You can record audio on the microphone jack without any problems. Doing this, you can essentially use your Android phone as a digital oscilloscope. You can then programatically convert this back to digital I/O. Serial output -> Android audio input -> Sampled square block wave -> digital I/O Please note that most serial levels are either 5V or 3.3V.

Using the Audio Jack as Data Interface on Android ... - Digit

https://www.digit.in/features/apps/using-the-audio-jack-as-data-interface-on-android-systems-25739.html

In Android systems, we use the audioRecord API [8] function to record the audio 1 public void receive () { 2 int minBufferSize = AudioRecord.getMinBufferSize (AUDIO_SAMPLE_FREQ, 2, 3...

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