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I would like to show a waveform during the audio recording. Some example please?
Thank you.
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asked Jan 06 '12 07:01
Term: Waveform (sound) Definition: The generic term waveform means a graphical representation of the shape and form of a signal moving in a gaseous, liquid, or solid medium. For sound, the term describes a depiction of the pattern of sound pressure variation (or amplitude) in the time domain.
Swipe down from the top of your screen to see the quick settings tiles and tap the screen recorder button. A floating bubble will appear with a record and microphone button. If the latter is crossed out, you're recording internal audio, and if it's not, you get sound straight from your phone's mic.
You can look at the answer here : Voice Detection in Android Application to find out how to record into a byte[]. Then all you have to do is draw a graph of each value in the byte[] as a function of time.
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