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I used a library I found on github for a similar project - here's their demo page: http://deibelman.github.io/dart-mic/demo.html For my project, I was charting the dominant frequency for fun.
I used a library I found on github for a similar project - here's their demo page: http://deibelman.github.io/dart-mic/demo.html For my project, I was charting the dominant frequency for fun.
Whoa cool thanks for sharing that. This could have been very helpful, and still might be. I'll have to check it out and see what they did differently and how the performance compares.
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Yup, all client side. You can view source on the page and read the javascript code doing the Fourier Transforms on the audio sample.
What's the socket.io for? Also, am I right in saying that you did your own fft rather than use the built in analyser? I tried to do one with the built in analyser a while back and had mixed results.
Oddly enough, this is the app that made me realize that Chrome puts a recording symbol next to the name of the page when a page is using your microphone now (kind of like when they put the speaker icon on tabs that are playing sound). I think that's pretty cool! http://i.imgur.com/GV5TktA.png Edit: I should also mention that this is really well done, and I've been looking for something simple like this for a while. T…
(Note: Not affiliated with them in any way, just become a huge fanboy lately!)