ryujinx/Ryujinx.Ava/UI/Views/Settings/SettingsAudioView.axaml

<UserControl 
    x:Class="Ryujinx.Ava.UI.Views.Settings.SettingsAudioView"
    xmlns="https://github.com/avaloniaui"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
    xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
    xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
    mc:Ignorable="d"
    x:CompileBindings="True"
    x:DataType="viewModels:SettingsViewModel">
    <Design.DataContext>
        <viewModels:SettingsViewModel />
    </Design.DataContext>
    <ScrollViewer
        Name="AudioPage"
        HorizontalAlignment="Stretch"
        VerticalAlignment="Stretch"
        HorizontalScrollBarVisibility="Disabled"
        VerticalScrollBarVisibility="Auto">
        <Border Classes="settings">
            <StackPanel
                Margin="10"
                HorizontalAlignment="Stretch"
                Orientation="Vertical"
                Spacing="10">
                <TextBlock Classes="h1" Text="{locale:Locale SettingsTabAudio}" />
                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
                    <TextBlock VerticalAlignment="Center"
                               Text="{locale:Locale SettingsTabSystemAudioBackend}"
                               ToolTip.Tip="{locale:Locale AudioBackendTooltip}"
                               Width="250" />
                    <ComboBox SelectedIndex="{Binding AudioBackend}"
                              Width="350"
                              HorizontalContentAlignment="Left">
                        <ComboBoxItem>
                            <TextBlock Text="{locale:Locale SettingsTabSystemAudioBackendDummy}" />
                        </ComboBoxItem>
                        <ComboBoxItem IsEnabled="{Binding IsOpenAlEnabled}">
                            <TextBlock Text="{locale:Locale SettingsTabSystemAudioBackendOpenAL}" />
                        </ComboBoxItem>
                        <ComboBoxItem IsEnabled="{Binding IsSoundIoEnabled}">
                            <TextBlock Text="{locale:Locale SettingsTabSystemAudioBackendSoundIO}" />
                        </ComboBoxItem>
                        <ComboBoxItem IsEnabled="{Binding IsSDL2Enabled}">
                            <TextBlock Text="{locale:Locale SettingsTabSystemAudioBackendSDL2}" />
                        </ComboBoxItem>
                    </ComboBox>
                </StackPanel>
                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
                    <TextBlock VerticalAlignment="Center"
                               Text="{locale:Locale SettingsTabSystemAudioVolume}"
                               ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
                               Width="250" />
                    <ui:NumberBox Value="{Binding Volume}"
                            ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
                            Width="350"
                            SmallChange="1"
                            LargeChange="10"
                            SimpleNumberFormat="F0"
                            SpinButtonPlacementMode="Inline"
                            Minimum="0"
                            Maximum="100" />
                </StackPanel>
                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
                    <Slider Value="{Binding Volume}"
                            Margin="250,0,0,0"
                            ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
                            Minimum="0"
                            Maximum="100"
                            SmallChange="5"
                            TickFrequency="5"
                            IsSnapToTickEnabled="True"
                            LargeChange="10"
                            Width="350" />
                </StackPanel>
            </StackPanel>
        </Border>
    </ScrollViewer>
</UserControl>