记录来自AudioContext的声音(Web Audio API) [英] Record Sounds from AudioContext (Web Audio API)

问题描述

有没有办法记录发送到webkitAudioContext.destination的音频数据?

Is there a way to record the audio data that's being sent to webkitAudioContext.destination?

节点正在发送的数据正在由浏览器播放，因此应该有某种方法可以将这些数据存储到(.wav)文件中.

The data that the nodes are sending there is being played by the browser, so there should be some way to store that data into a (.wav) file.

推荐答案

当前，尚无本机方法，但正如Max在上面的评论中所述，Recorderjs基本上是这样做的(它不会链接到目标上，但它是一个ScriptProcessorNode，您可以将其连接到其他节点并记录其输入.我基于Recorderjs来做一个简单的音频文件记录器-

Currently, there's not a native way to do that, but as Max said in the comment above, Recorderjs does essentially this (it doesn't chain onto the destination, but is a ScriptProcessorNode you can connect other nodes to, and have its input recorded. I built on Recorderjs to do a simple audio file recorder - https://github.com/cwilso/AudioRecorder.

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