blob: f56c4f734380c5c3c183e7d10eeb9162923212ca [file] [log] [blame]
* Copyright (c) 2011 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.
iLBC Speech Coder ANSI-C Source Code
#include "defines.h"
void WebRtcIlbcfix_HpInput(
WebRtc_Word16 *signal, /* (i/o) signal vector */
WebRtc_Word16 *ba, /* (i) B- and A-coefficients (2:nd order)
{b[0] b[1] b[2] -a[1] -a[2]} a[0]
is assumed to be 1.0 */
WebRtc_Word16 *y, /* (i/o) Filter state yhi[n-1] ylow[n-1]
yhi[n-2] ylow[n-2] */
WebRtc_Word16 *x, /* (i/o) Filter state x[n-1] x[n-2] */
WebRtc_Word16 len); /* (i) Number of samples to filter */