如何用静音填充音频流 [英] How To pad Audio stream with silence
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问题描述
我有一个ISampleProvider
,我想保持10秒钟的静音,如何在NAudio中实现呢?
I have an ISampleProvider
I want to pad with 10 seconds of silence, how would I achieve this in NAudio?
var songDelayed = new AudioFileReader(filePath_1);
//Delay "songDelayed" by 10 secs
//What do I do here?
myDirectSoundObj.Init(songDelayed);
myDirectSoundObj.Play();
推荐答案
您可以使用OffsetSampleProvider
var songDelayed = new AudioFileReader(filePath_1);
var offset = new OffsetSampleProvider(songDelayed);
offset.DelayBy = TimeSpan.FromSeconds(10);
// or if you don't have latest NAudio source:
// offset.DelayBySamples = songDelayed.WaveFormat.SampleRate *
// songDelayed.WaveFormat.Channels * 10;
myDirectSoundObj.Init(offset);
myDirectSoundObj.Play();
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