*
* @return 1 if overflow occurred, 0 - otherwise
*
- * @note Output buffer must contain 10 samples of past
+ * @note Output buffer must contain filter_length samples of past
* speech data before pointer.
*
* Routine applies 1/A(z) filter to given speech data.
* @param buffer_length amount of data to process
* @param filter_length filter length (10 for 10th order LP filter)
*
- * @return 1 if overflow occurred, 0 - otherwise
- *
- * @note Output buffer must contain 10 samples of past
+ * @note Output buffer must contain filter_length samples of past
* speech data before pointer.
*
* Routine applies 1/A(z) filter to given speech data.