arduino-audio-tools
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src
AudioTools
AEC
MDFEchoCancellationConfig.h
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/* Copyright (C) 2003-2008 Jean-Marc Valin
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* Copyright (C) 2024 Phil Schatzmann (Header-only adaptation)
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*
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* Echo canceller configuration constants
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <cstdint>
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namespace
audio_tools
{
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// ============================================================================
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// Feature Flags
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// ============================================================================
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#define TWO_PATH
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// ============================================================================
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// Echo Canceller Tuning Parameters
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// ============================================================================
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#define PLAYBACK_DELAY 2
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// ============================================================================
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// Mathematical Constants
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// ============================================================================
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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}
// namespace audio_tools
audio_tools
Generic Implementation of sound input and output for desktop environments using portaudio.
Definition
LMSEchoCancellationStream.h:6
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