使用Naudio lib播放.wav文件

Question

我尝试用NAudio库打开和播放.wav文件。

private OpenFileDialog openFileDialog = null;
private NAudio.Wave.IWavePlayer waveOutDevice;
private NAudio.Wave.BlockAlignReductionStream reductionStream = null;

private NAudio.Wave.BlockAlignReductionStream CreateStream(OpenFileDialog fileDialog)
{

    if (fileDialog.FileName.EndsWith(".mp3"))
    {
        NAudio.Wave.WaveStream pcm = NAudio.Wave.WaveFormatConversionStream.CreatePcmStream(new NAudio.Wave.Mp3FileReader(fileDialog.FileName));
        reductionStream = new NAudio.Wave.BlockAlignReductionStream(pcm);
    }
    else if (fileDialog.FileName.EndsWith(".wav"))
    {
        NAudio.Wave.WaveStream pcm = new NAudio.Wave.WaveChannel32(new NAudio.Wave.WaveFileReader(openFileDialog.FileName));
        reductionStream = new NAudio.Wave.BlockAlignReductionStream(pcm);
    }
    else
    {
        throw new InvalidOperationException("Unsupported");
    }

    return reductionStream;
}

在播放按钮中：

waveOutDevice = new NAudio.Wave.DirectSoundOut();
reductionStream = CreateStream(openFileDialog);
waveOutDevice.Init(reductionStream);

我使用的是NAudio 1.5版本。对于mp3文件来说，这个剧本很不错。当我选择.wav时，播放速度很慢，并且发出咯咯声。也许WaveStream pcm = WaveChannel32出了什么问题

Answer 1

您不需要使用BlockAlignReductionStream、WaveChannel32或CreatePcmStream。只需使用Mp3FileReader或WaveFileReader并将其传递给您的IWavePlayer，