FORMAT OF S.T.L. SPEECH FILES FIRST BLOCK - RUBBISH, LEFT FOR ASCII DESCRIPTION OF FILE -NOT YET IMPLEMENTED. SUCEEDING BLOCKS OF 12-BIT WORDS. ALL BLOCKS FULL. SAMPLES ARE SIGNED INTEGERS STORED AS PLINTH NUMBERS, THAT IS,4000 IS ADDED TO EACH NUMBER AND THE INPUT NUMBER 4000 IS REPRESENTED IN THE SAME WAY AS 4001, I.E AS 1. THIS ELIMINATES 0000 IN THE FILES. THIS CODE IS USED FOR SIGNALLING END OF SPEECH INPUT BETWEEN THE TWO COMPUTERS DURING REAL TIME TRANSFERS. FILES: X2DC.SP - INPUT SIGNAL, 0-5KHZ, RECORDED WITH HIGH QUALITY MIC. IT DOES HAVE A LITTLE MAINS HUM. X2OUT.SP - OUTPUT OF BACK-TO-BACK ANALYSIS/SYNTHESIS SYSTEM WITH CORRELATION PITCH EXTRACTION, FRAMED COEFFICIENT ANALYSIS, AND HAMMING WINDOWS ON THE FRAMES. FRAME RATE 100/S WINDOW WIDTH 20 MSEC. SYSTEM SAMPLE RATE 11KS/S. NOTE FAILURE OF PITCH EXTRACT DURING THE /M/ OF "CHRISTMAS". UT BETWEEN THE TWO COMPUTERS DURING REAL TIME TRANSFERS.  x