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diff --git a/engines/mortevielle/sound.h b/engines/mortevielle/sound.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This code is based on original Mortville Manor DOS source code
+ * Copyright (c) 1987-1989 Lankhor
+ */
+
+#ifndef MORTEVIELLE_SOUND_H
+#define MORTEVIELLE_SOUND_H
+
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+#include "common/mutex.h"
+#include "common/queue.h"
+
+namespace Mortevielle {
+class MortevielleEngine;
+
+const int kNullValue = 255;
+const int kTempoMusic = 71;
+const int kTempoNoise = 78;
+const int kTempoF = 80;
+const int kTempoM = 89;
+
+struct SpeechQueue {
+	int _val;
+	int _code;
+	int _acc;
+	int _freq;
+	int _rep;
+};
+
+typedef int tablint[256];
+
+class SoundManager {
+private:
+	MortevielleEngine *_vm;
+
+	byte *_ambiantNoiseBuf;
+	byte *_noiseBuf;
+	int _phonemeNumb;
+	int _soundType;
+	SpeechQueue _queue[3];
+	byte _wordBuf[1712];
+	byte _troctBuf[10576];
+	bool _buildingSentence;
+	int _ptr_oct;
+	int _tbi[256];
+
+	Audio::QueuingAudioStream *_audioStream;
+
+	void loadPhonemeSounds();
+	void moveQueue();
+	void initQueue();
+	void handlePhoneme();
+
+	void spfrac(int wor);
+	void charg_car(int &currWordNumb);
+	void entroct(byte o);
+	void cctable(tablint &t);
+	void trait_car();
+
+	void regenbruit();
+	void litph(tablint &t, int typ, int tempo);
+
+public:
+	SoundManager(Audio::Mixer *mixer);
+	~SoundManager();
+
+	Audio::Mixer *_mixer;
+	Audio::SoundHandle _soundHandle;
+	uint16 *_cfiphBuffer;
+
+	void setParent(MortevielleEngine *vm);
+
+	int decodeMusic(const byte *PSrc, byte *PDest, int size);
+	void playSong(const byte *buf, uint usize, uint loops);
+	void loadAmbiantSounds();
+	void loadNoise();
+	void startSpeech(int rep, int ht, int typ);
+	void waitSpeech();
+};
+
+} // End of namespace Mortevielle
+
+#endif