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In Android the getPlaybackHeadPosition() method of AudioTrack class returns the playback head position expressed in frames ,what is its equivalent value in milli seconds?
I’m guessing that it would be
In other words, the number of frames played divided by the number of frames per second. You then multiply the result by 1000 to get milliseconds.
A frame consists of one sample per channel and so should be equivalent to sample rate.
For example, if
getPlaybackHeadPosition( )returns8654andgetSampleRate( )returns8000then the time since the start of the track would be( 8654 / 8000 ) * 1000or1081.75ms. (Assuming floating point arithmetic)