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A GDK sample that receives audio input from the microphone and displays it on the screen as an animated waveform, along with the decibel level.
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src/com/google/android/glass/sample/waveform
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README.md

Waveform

This sample launches an immersion that receives audio input from the microphone and displays it on the screen as an animated waveform, along with the decibel level.

Getting started

Check out our documentation to learn how to get started on https://developers.google.com/glass/develop/index

Running the sample on Glass

You can use your IDE to compile and install the sample or use adb on the command line:

$ adb install -r WaveformSample.apk

To start the sample, say "ok glass, show me a demo" from the Glass clock screen or use the touch menu.

You can’t perform that action at this time.