Friday, 22 July 2005
A.Farina, L.Tronchin
50
/86
Convolution (2):
y:=0;
FOR n:=0 TO N-1 DO
y:= y + a[n]·x[n];
M
ultiply and
AC
cumulate
On a DSP board this instruction is performed in one cycle
•
Clock core = 100 MHz
•
Sample frequency
f
S
= 48 KHz
Þ
Upper limit is
2000 MAC
per sample