The input signal value is truncated to an integer value and used as an index into the table. Out-of-range index values are wrapped cyclically to the valid range.
| bufnum | 
 Index of the buffer.  | 
| in | 
 The input signal.  | 
| mul | 
 Output will be multiplied by this value.  | 
| add | 
 This value will be added to the output.  |