[C#/WINFORM/.NET6] SoundPlayer 클래스 : PlaySync 메소드를 사용해 비프음 만들기

TestProject.zip

0.01MB

▶ SoundPlayer.cs

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
    }
}

 

728x90

 

▶ MainForm.cs

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
    }
}