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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* filterbank_tables.c
*
* This file contains variables that are used in
* filterbanks.c
*
*/
#include "filterbank_tables.h"
/* HPstcoeff_in_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2};
* In float, they are: {-1.94895953203325f, 0.94984516000000f,
* -0.05101826139794f, 0.05015484000000f};
*/
const int16_t WebRtcIsacfix_kHpStCoeffInQ30[8] = {
16189, -31932, /* Q30 lo/hi pair */
17243, 15562, /* Q30 lo/hi pair */
-17186, -26748, /* Q35 lo/hi pair */
-27476, 26296 /* Q35 lo/hi pair */
};
/* HPstcoeff_out_1_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2};
* In float, they are: {-1.99701049409000f, 0.99714204490000f,
* 0.01701049409000f, -0.01704204490000f};
*/
const int16_t WebRtcIsacfix_kHPStCoeffOut1Q30[8] = {
-1306, -32719, /* Q30 lo/hi pair */
11486, 16337, /* Q30 lo/hi pair */
26078, 8918, /* Q35 lo/hi pair */
3956, -8935 /* Q35 lo/hi pair */
};
/* HPstcoeff_out_2_Q14 = {a1, a2, b1 - b0 * a1, b2 - b0 * a2};
* In float, they are: {-1.98645294509837f, 0.98672435560000f,
* 0.00645294509837f, -0.00662435560000f};
*/
const int16_t WebRtcIsacfix_kHPStCoeffOut2Q30[8] = {
-2953, -32546, /* Q30 lo/hi pair */
32233, 16166, /* Q30 lo/hi pair */
13217, 3383, /* Q35 lo/hi pair */
-4597, -3473 /* Q35 lo/hi pair */
};
/* The upper channel all-pass filter factors */
const int16_t WebRtcIsacfix_kUpperApFactorsQ15[2] = {
1137, 12537
};
/* The lower channel all-pass filter factors */
const int16_t WebRtcIsacfix_kLowerApFactorsQ15[2] = {
5059, 24379
};
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