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diff --git a/examples/spectrum/app/frequencyspectrum.h b/examples/spectrum/app/frequencyspectrum.h
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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-**     the names of its contributors may be used to endorse or promote
-**     products derived from this software without specific prior written
-**     permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef FREQUENCYSPECTRUM_H
-#define FREQUENCYSPECTRUM_H
-
-#include <QtCore/QVector>
-
-/**
- * Represents a frequency spectrum as a series of elements, each of which
- * consists of a frequency, an amplitude and a phase.
- */
-class FrequencySpectrum {
-public:
-    FrequencySpectrum(int numPoints = 0);
-
-    struct Element {
-        Element()
-        :   frequency(0.0), amplitude(0.0), phase(0.0), clipped(false)
-        { }
-
-        /**
-         * Frequency in Hertz
-         */
-        qreal frequency;
-
-        /**
-         * Amplitude in range [0.0, 1.0]
-         */
-        qreal amplitude;
-
-        /**
-         * Phase in range [0.0, 2*PI]
-         */
-        qreal phase;
-
-        /**
-         * Indicates whether value has been clipped during spectrum analysis
-         */
-        bool clipped;
-    };
-
-    typedef QVector<Element>::iterator iterator;
-    typedef QVector<Element>::const_iterator const_iterator;
-
-    void reset();
-
-    int count() const;
-    Element& operator[](int index);
-    const Element& operator[](int index) const;
-    iterator begin();
-    iterator end();
-    const_iterator begin() const;
-    const_iterator end() const;
-
-private:
-    QVector<Element> m_elements;
-
-};
-
-#endif // FREQUENCYSPECTRUM_H