using System;
using System.Runtime.InteropServices;
using System.Speech.Synthesis;
using System.Text;

namespace HighWayIot.Common
{
    public class SpeechStr
    {
        private static readonly Lazy<SpeechStr> lazy = new Lazy<SpeechStr>(() => new SpeechStr());

        public static SpeechStr Instance
        {
            get
            {
                return lazy.Value;
            }
        }

        public async void SpeakAsync(string str)
        {

            SpeechSynthesizer speech = new SpeechSynthesizer();
            speech.Rate = 3;//设置语速
            speech.Volume = 100;//设置音量
            speech.SelectVoice("Microsoft Huihui Desktop");//设置播音员（中文）
            speech.SpeakAsync(str);

        }


    }


}