title: How to anonymize (mask) audio (human voice) using javascript
body: <p>I'm hoping to record the audio of some stories from remote study participants via web browsers. I would like to give them an option of anonymizing their voices before they submit their audio clips. Is there a way to do that in Javascript (or any other library--for example, Python--that I can invoke in the background on the server before serving it back to the participant to verify before they submit?</p>
  
  <p><a href="https://www.youtube.com/watch?v=rJZT6u5SxX0" rel="nofollow">This youtube video</a> comes really close to what I would like to accomplish. Thanks in advance for your suggestions and advice!</p>