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WAV Output #11

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oampo opened this Issue · 3 comments

3 participants

@oampo
Owner

Add a node which buffers audio into a Float32Array and allows you to export it as a .wav file.

@sntx

This will be great because the .wav file could be downloaded to the user's computer, but also, it could be sent to a server using AJAX.

@imgntn

any news on this? working on an interactive (not-quite) game where this would be most excellent.

@oampo
Owner

Depends slightly what you want it for. Now I've switched to using https://github.com/jussi-kalliokoski/sink.js you can use the record method of audiolet.output.device.sink to record the master output, then encoding that to a wav is pretty simple (have a look at http://www.sk89q.com/playground/jswav/ for how to encode the raw data).

Eventually I want to encapsulate this more neatly into a RecordBuffer node which will allow you to grab data from anywhere in the processing graph and encode it. For now though it should be not too tricky to hack it in if you just need the output recording.

Let me know how you get on, and if there's any of this you are struggling with and I'll do my best to help out.

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