| <name> | code | description |
| IN | 1 | "invalid input" |
| MEM | 2 | "memory error" |
| NUM | 3 | "numerical error" |
LPCH_E<name>,
and the status descriptions in
LPCH_MSGE<name>. The source code with these messages is in LPC.h on line l.41.
Compute the coefficients of a linear predictor filter.