📄 energy.f
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**********************************************************************
*
* ENERGY Version 50
*
**********************************************************************
*
* Compute RMS energy
*
* Inputs:
* LEN - Length of speech buffer
* SPEECH - Speech buffer
* Output:
* RMS - Root Mean Square energy
*
SUBROUTINE ENERGY( LEN, SPEECH, RMS )
INTEGER LEN, I
REAL SPEECH(LEN), RMS
RMS = 0
DO I = 1,LEN
RMS = RMS + SPEECH(I)*SPEECH(I)
END DO
RMS = SQRT( RMS / LEN )
RETURN
END
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