How to get waveform from an audio stream JS?

Question

How to get waveform from an audio stream JS?

Please help me when using one of the methods VK API you need to pass an object to a Voice message, but I don't understand what should be in the pitch waveform, as something to obtain, and how to turn into an array. I get all MediaDevices.getUserMedia()

JavaScript

rosalind45 asked March 23rd 20 at 19:28

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1 answer

Martine_Franecki answered on · Accepted Answer · 2020-03-23T18:30:10.325Z

Here it is possible to do what you need https://github.com/bbc/waveform-data.js

If using the library is not desirable, you can understand the audio buffer independently https://developer.mozilla.org/ru/docs/Web/API/Web_...