alex.components.vad.gmm.
GMMVAD
This is implementation of a GMM based voice activity detector.
It only implements decisions whether input frame is speech of non speech. It returns the posterior probability of speech for N last input frames.
decide
Processes the input frame whether the input segment is speech or non speech.
The returned values can be in range from 0.0 to 1.0. It returns 1.0 for 100% speech segment and 0.0 for 100% non speech segment.
alex.components.vad.power.
PowerVAD
This is implementation of a simple power based voice activity detector.
It only implements simple decisions whether input frame is speech of non speech.
Returns whether the input segment is speech or non speech.