Lines Matching full:coefficients
92 * slower than biquad() but uses more precise coefficients
93 * can handle (slowly) varying coefficients
97 const opus_int32 *B_Q28, /* I MA coefficients [3] */
98 const opus_int32 *A_Q28, /* I AR coefficients [2] */
109 const opus_int16 *B, /* I MA prediction coefficients, Q12 [order] */
129 /* test if LPC coefficients are stable (all poles within unit circle) */
131 const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */
137 const opus_int32 *A_Q24, /* I Prediction coefficients [order] */
180 /* Calculates the reflection coefficients from the correlation sequence */
184 opus_int16 *rc_Q15, /* O reflection coefficients [order] Q15 */
189 /* Calculates the reflection coefficients from the correlation sequence */
193 opus_int32 rc_Q16[], /* O Reflection coefficients [order] Q16 */
198 /* Step up function, converts reflection coefficients to prediction coefficients */
200 opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */
201 const opus_int16 *rc_Q15, /* I Reflection coefficients [order] Q15 */
205 /* Step up function, converts reflection coefficients to prediction coefficients */
207 opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */
208 const opus_int32 *rc_Q16, /* I Reflection coefficients [order] Q16 */
257 /* Compute Normalized Line Spectral Frequencies (NLSFs) from whitening filter coefficients */
258 /* If not all roots are found, the a_Q16 coefficients are bandwidth expanded until convergence. */
261 opus_int32 *a_Q16, /* I/O Monic whitening filter coefficients in Q16 [d] */
265 /* compute whitening filter coefficients from normalized line spectral frequencies */
267 opus_int16 *a_Q12, /* O monic whitening filter coefficients in Q12, [ d ] */
305 /* Compute reflection coefficients from input signal */
309 opus_int32 A_Q16[], /* O Prediction coefficients (length order) */
