43
43
amod2 <emphasis role="op">=</emphasis> aimag <emphasis role="op">*</emphasis> asin
45
45
<emphasis role="comment">; Both sum and difference frequencies can be </emphasis>
48
48
aupshift <emphasis role="op">=</emphasis> (amod1 <emphasis role="op">-</emphasis> amod2) <emphasis role="op">*</emphasis> 0.7
50
50
adownshift <emphasis role="op">=</emphasis> (amod1 <emphasis role="op">+</emphasis> amod2) <emphasis role="op">*</emphasis> 0.7
52
52
<emphasis role="comment">; Notice that the adding of the two together is</emphasis>