本文介绍了Web Audio Api Record音频节点的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我可以用trackPosition,offset以某种方式记录并输出到WAV.当在浏览器中播放时,它工作正常,我只想将输出输出到WAV文件.
Can I somehow record and output to WAV with trackPosition, offset. it works fine when played in browser works fine I just wanna output is to WAV file.
for (var i = 0; i <= loop; ++i) {
node = that.context.createBufferSource();
that.nodes.push(node);
node.buffer = clip.get('buffer');
node.connect(gainNode);
// clip offset and duration times
if (loop > 0) {
if (i === 0) { // first subclip
offset = startTime;
duration = duration - offset;
} else if (i === loop) { // last subclip
offset = 0;
duration = endTime;
} else {
offset = 0;
duration = clip.get('buffer').duration;
}
} else { // loop === 0
offset = startTime;
if (inClipStart)
duration = endTime - startTime;
else
duration = clip.clipLength();
}
// sets the clip's playback start time
node.start(
currentTime + trackPosition - cursor,
offset,
duration
);
trackPosition += duration;
}
推荐答案
查看 https://github.com/mattdiamond/Recorderjs -它使您可以将Web Audio应用程序的输出记录/保存为.wav,听起来像您要找的东西!
Check out https://github.com/mattdiamond/Recorderjs - it let's you record/save the output of your Web Audio app as a .wav, which sound like what you're looking for!
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