在raspberry pi windows IOT上录制mp3格式的音频文件

using System;
using System.Threading.Tasks;
using Windows.Media.Capture;
using Windows.Media.MediaProperties;
using Windows.Storage;

public class AudioRecorder
{
    private MediaCapture mediaCapture;

    public async Task RecordAudio()
    {
        mediaCapture = new MediaCapture();
        await mediaCapture.InitializeAsync();

        var storageFile = await ApplicationData.Current.LocalFolder.CreateFileAsync("recording.mp3", CreationCollisionOption.GenerateUniqueName);
        var profile = MediaEncodingProfile.CreateMp3(AudioEncodingQuality.Auto);

        await mediaCapture.StartRecordToStorageFileAsync(profile, storageFile);
        await Task.Delay(TimeSpan.FromSeconds(10)); // 录制10秒钟
        await mediaCapture.StopRecordAsync();
    }
}

public class Program
{
    public static async Task Main(string[] args)
    {
        var audioRecorder = new AudioRecorder();
        await audioRecorder.RecordAudio();
    }
}