Lines Matching full:coefficients
101 * slower than biquad() but uses more precise coefficients
102 * can handle (slowly) varying coefficients
106 const opus_int32 *B_Q28, /* I MA coefficients [3] */
107 const opus_int32 *A_Q28, /* I AR coefficients [2] */
115 const opus_int32 *B_Q28, /* I MA coefficients [3] */
116 const opus_int32 *A_Q28, /* I AR coefficients [2] */
126 const opus_int16 *B, /* I MA prediction coefficients, Q12 [order] */
147 /* test if LPC coefficients are stable (all poles within unit circle) */
149 const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */
200 /* Calculates the reflection coefficients from the correlation sequence */
204 opus_int16 *rc_Q15, /* O reflection coefficients [order] Q15 */
209 /* Calculates the reflection coefficients from the correlation sequence */
213 opus_int32 rc_Q16[], /* O Reflection coefficients [order] Q16 */
218 /* Step up function, converts reflection coefficients to prediction coefficients */
220 opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */
221 const opus_int16 *rc_Q15, /* I Reflection coefficients [order] Q15 */
225 /* Step up function, converts reflection coefficients to prediction coefficients */
227 opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */
228 const opus_int32 *rc_Q16, /* I Reflection coefficients [order] Q16 */
277 /* Compute Normalized Line Spectral Frequencies (NLSFs) from whitening filter coefficients */
278 /* If not all roots are found, the a_Q16 coefficients are bandwidth expanded until convergence. */
281 opus_int32 *a_Q16, /* I/O Monic whitening filter coefficients in Q16 [d] */
285 /* compute whitening filter coefficients from normalized line spectral frequencies */
287 opus_int16 *a_Q12, /* O monic whitening filter coefficients in Q12, [ d ] */
293 /* Convert int32 coefficients to int16 coefs and make sure there's no wrap-around */
335 /* Compute reflection coefficients from input signal */
339 opus_int32 A_Q16[], /* O Prediction coefficients (length order) */
