Voice Recording/Mic Testing and Playing Recorded Sound in Windows Phone Silverlight

http://www.c-sharpcorner.com/code/2073/voice-recordingmic-testing-and-playing-recorded-sound-in-wi.aspx

<phone:PhoneApplicationPage x:Class="MicrophoneTest.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone" xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" FontFamily="{StaticResource PhoneFontFamilyNormal}" FontSize="{StaticResource PhoneFontSizeNormal}" Foreground="{StaticResource PhoneForegroundBrush}" SupportedOrientations="Portrait" Orientation="Portrait" shell:SystemTray.IsVisible="True">  

1.     <!--LayoutRoot is the root grid where all page content is placed-->  
2.     <Grid x:Name="LayoutRoot" Background="LightBlue">  
3.         <Image x:Name="ScanComp" HorizontalAlignment="Left" Height="170" Margin="156,235,0,0" VerticalAlignment="Top" Width="170" />  
4.         <TextBlock Name="timerMsg" Margin="10,460,10,257" TextAlignment="Center" Foreground="White" FontSize="24"></TextBlock>  
5.         <TextBlock Name="timedisplayBlock" Margin="206,508,221,209" Foreground="White" FontSize="40"></TextBlock>  
6.         <Button Name="btnstart" Content="start" Click="recordButton_Click" Margin="0,636,0,58"></Button>  
7.     </Grid>  
8. </phone:PhoneApplicationPage> 

1. public partial class MainPage: PhoneApplicationPage  


{  
7.     // Constructor  
8.     int currentcount;  
9.     Microphone microphone = Microphone.Default;  
10.     byte[] buffer;  
11.     MemoryStream stream = new MemoryStream();  
12.     SoundEffect sound;  
13.     DispatcherTimer recordingTimer;  
14.     public MainPage()  
15.     {  
16.         InitializeComponent();  
17.         recordingTimer = new DispatcherTimer();  
18.         recordingTimer.Interval = new TimeSpan(0, 0, 0, 1, 0);  
19.         recordingTimer.Tick += new EventHandler(recordingTimer_Tick);  
20.     }  
21.     private void recordButton_Click(object sender, EventArgs e)  
22.     {  
23.         Startrecording();  
24.     }  
25.     protected async void Startrecording()  
26.     {  
27.         ScanComp.Source = new BitmapImage(new Uri(@ "Assets/scan_microphone.png", UriKind.Relative));  
28.         timerMsg.Text = "Speak something to test recording.";  
29.         currentcount = 10;  
30.         recordingTimer.Start();  
31.         DispatcherTimer dt = new DispatcherTimer();  
32.         dt.Interval = TimeSpan.FromMilliseconds(33);  
33.         dt.Tick += delegate  
34.         {  
35.             try  
36.             {  
37.                 FrameworkDispatcher.Update();  
38.             }  
39.             catch  
40.             {}  
41.         };  
42.         dt.Start();  
43.         microphone.BufferReady += new EventHandler < EventArgs > (microphone_BufferReady);  
44.         microphone.BufferDuration = TimeSpan.FromMilliseconds(1000);  
45.         buffer = new byte[microphone.GetSampleSizeInBytes(microphone.BufferDuration)];  
46.         microphone.Start();  
47.         await Task.Delay(TimeSpan.FromSeconds(10));  
48.         if (microphone.State == MicrophoneState.Started)  
49.         {  
50.             microphone.Stop();  
51.         }  
52.         timerMsg.Text = "playing sound...";  
53.         sound = new SoundEffect(stream.ToArray(), microphone.SampleRate, AudioChannels.Mono);  
54.         sound.Play();  
55.     }  
56.     void microphone_BufferReady(object sender, EventArgs e)  
57.     {  
58.         microphone.GetData(buffer);  
59.         stream.Write(buffer, 0, buffer.Length);  
60.     }  
61.     private void recordingTimer_Tick(object sender, EventArgs e)  
62.     {  
63.         timedisplayBlock.Text = currentcount--.ToString();  
64.         if (currentcount == 0)  
65.         {  
66.             recordingTimer.Stop();  
67.             timedisplayBlock.Text = "";  
68.             timerMsg.Text = "playing sound...";  
69.         }  
70.     }  
71. }