■ SoundPlayer 클래스의 PlaySync 메소드를 사용해 비프음을 만드는 방법을 보여준다.
▶ SoundPlayer.cs
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using System.Media; namespace TestProject { /// <summary> /// 사운드 헬퍼 /// </summary> public static class SoundHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field // C public const int C0 = 16; public const int C1 = 33; public const int C2 = 65; public const int C3 = 131; public const int C4 = 262; public const int C5 = 523; public const int C6 = 1046; public const int C7 = 2093; // C# public const int CS0 = 17; public const int CS1 = 35; public const int CS2 = 69; public const int CS3 = 139; public const int CS4 = 277; public const int CS5 = 554; public const int CS6 = 1109; public const int CS7 = 2217; // D public const int D0 = 18; public const int D1 = 37; public const int D2 = 73; public const int D3 = 147; public const int D4 = 294; public const int D5 = 587; public const int D6 = 1175; public const int D7 = 2349; // D# public const int DS0 = 19; public const int DS1 = 39; public const int DS2 = 78; public const int DS3 = 155; public const int DS4 = 311; public const int DS5 = 622; public const int DS6 = 1244; public const int DS7 = 2489; // E public const int E0 = 21; public const int E1 = 41; public const int E2 = 82; public const int E3 = 165; public const int E4 = 330; public const int E5 = 659; public const int E6 = 1328; public const int E7 = 2637; // F public const int F0 = 22; public const int F1 = 44; public const int F2 = 87; public const int F3 = 175; public const int F4 = 349; public const int F5 = 698; public const int F6 = 1397; public const int F7 = 2794; // F# public const int FS0 = 23; public const int FS1 = 46; public const int FS2 = 92; public const int FS3 = 185; public const int FS4 = 370; public const int FS5 = 740; public const int FS6 = 1480; public const int FS7 = 2960; // G public const int G0 = 24; public const int G1 = 49; public const int G2 = 98; public const int G3 = 196; public const int G4 = 392; public const int G5 = 784; public const int G6 = 1568; public const int G7 = 3136; // G# public const int GS0 = 26; public const int GS1 = 52; public const int GS2 = 104; public const int GS3 = 208; public const int GS4 = 415; public const int GS5 = 831; public const int GS6 = 1661; public const int GS7 = 3322; // A public const int A0 = 27; public const int A1 = 55; public const int A2 = 110; public const int A3 = 220; public const int A4 = 440; public const int A5 = 880; public const int A6 = 1760; public const int A7 = 3520; // A# public const int AS0 = 29; public const int AS1 = 58; public const int AS2 = 116; public const int AS3 = 233; public const int AS4 = 466; public const int AS5 = 932; public const int AS6 = 1865; public const int AS7 = 3729; // B public const int B0 = 31; public const int B1 = 62; public const int B2 = 123; public const int B3 = 245; public const int B4 = 494; public const int B5 = 988; public const int B6 = 1975; public const int B7 = 3951; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 비프음 발생시키기 - Beep(amplitude, frequency, duration) /// <summary> /// 비프음 발생시키기 /// </summary> /// <param name="amplitude">진폭</param> /// <param name="frequency">주파수</param> /// <param name="duration">지속 시간</param> public static void Beep(int amplitude, int frequency, int duration) { double a = ((amplitude * (Math.Pow(2, 15))) / 1000) - 1; double deltaFT = 2 * Math.PI * frequency / 44100.0; int sampleCount = 441 * duration / 10; int byteCount = sampleCount * 4; int[] hdrArray = new int[] { 0x46464952, 36 + byteCount, 0x45564157, 0x20746D66, 16, 0x20001, 44100, 176400, 0x100004, 0x61746164, byteCount }; using(MemoryStream stream = new MemoryStream(44 + byteCount)) { using(BinaryWriter writer = new BinaryWriter(stream)) { for(int i = 0; i < hdrArray.Length; i++) { writer.Write(hdrArray[i]); } for(int t = 0; t < sampleCount; t++) { short Sample = Convert.ToInt16(a * Math.Sin(deltaFT * t)); writer.Write(Sample); writer.Write(Sample); } writer.Flush(); stream.Seek(0, SeekOrigin.Begin); using(SoundPlayer soundPlayer = new SoundPlayer(stream)) { soundPlayer.PlaySync(); } } } } #endregion } } |
▶ MainForm.cs
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namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.playButton.Click += playButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 재생하기 버튼 클릭시 처리하기 - playButton_Click(sender, e) /// <summary> /// 재생하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void playButton_Click(object sender, EventArgs e) { SoundHelper.Beep(300, SoundHelper.C3, 100); SoundHelper.Beep(300, SoundHelper.D3, 100); SoundHelper.Beep(300, SoundHelper.E3, 100); SoundHelper.Beep(300, SoundHelper.F3, 100); SoundHelper.Beep(300, SoundHelper.A3, 100); SoundHelper.Beep(300, SoundHelper.B3, 100); } #endregion } } |
