fgdata/Aircraft/c172p/Systems/c172p-sounds.xml

<?xml version="1.0" encoding="UTF-8"?>

<!--
    Copyright (c) 2015 onox

    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, see <http://www.gnu.org/licenses/>.
-->
<system name="c172p sounds">

    <channel name="stallhorn">

        <fcs_function name="sounds/stall-horn-volume">
            <function>
                <log10>
                    <product>
                        <sum>
                            <property>aero/alpha-deg</property>
                            <table>
                                <independentVar>fcs/flap-pos-deg</independentVar>
                                <!-- 85 % of max alpha at 0 deg flap -->
                                <tableData>
                                     0.0    -11.6364
                                    10.0    -10.1364
                                    30.0     -9.6364
                                </tableData>
                            </table>
                            <value>0.5</value>
                        </sum>
                        <value>2.0</value>
                    </product>
                </log10>
            </function>
            <clipto>
                <min>0.0</min>
                <max>1.0</max>
            </clipto>
        </fcs_function>

        <fcs_function name="sounds/stall-horn-pitch">
            <function>
                <sum>
                    <product>
                        <table>
                            <independentVar lookup="row">aero/alpha-deg</independentVar>
                            <independentVar lookup="column">fcs/flap-pos-deg</independentVar>

                            <!-- Normalized pitch range. 0.0 is minimum,
                                 1.0 is maximum.
                            -->
                            <tableData>
                                           0.0    10.0   20.0   30.0
                                 9.5000    0.0    0.0    0.0    0.0
                                 9.5428    0.0    0.0    0.0    0.5
                                10.0000    0.0    0.0    0.0    0.5
                                10.0428    0.0    0.0    0.5    0.5
                                10.5000    0.0    0.0    0.5    0.5
                                10.5428    0.0    0.5    0.5    1.0
                                11.0000    0.0    0.5    0.5    1.0
                                11.0428    0.5    0.5    1.0    1.0
                                11.5000    0.5    0.5    1.0    1.0
                                11.5428    0.5    1.0    1.0    1.0
                                12.0000    0.5    1.0    1.0    1.0
                                12.0428    1.0    1.0    1.0    1.0
                            </tableData>
                        </table>

                        <!-- Difference between maximum and minimum -->
                        <difference>
                            <value>1.1</value>
                            <value>0.9</value>
                        </difference>
                    </product>

                    <!-- Minimum pitch -->
                    <value>0.9</value>
                </sum>
            </function>
            <clipto>
                <min>0.9</min>
                <max>1.1</max>
            </clipto>
        </fcs_function>

    </channel>

</system>