The "Beat/Music Detection" code you have always wanted

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sbright33

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Re: The "Beat/Music Detection" code you have always wanted

« Reply #15 on: November 01, 2011, 01:50:53 pm »

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@Diebor - You can sample faster than you can process or send the data. It sounds good at 40K samples / sec.
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1208715493/11

The only use I can see for this is to oversample and average ever pair of samples.
This way you can avoid using a hardware Nyquist filter at lower sample rates.


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sbright33

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Re: The "Beat/Music Detection" code you have always wanted

« Reply #16 on: November 03, 2011, 08:39:50 am »

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I made a cool light show with the MSGEQ7 chip and 4 LED's.
Also works with El wire.

See this post for pseudocode:
http://arduino.cc/forum/index.php/topic,77572.0.html


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Re: The "Beat/Music Detection" code you have always wanted

« Reply #17 on: December 01, 2011, 01:28:39 pm »

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Hi,
Great code, just what I was looking for, however I could do with some help with wiring the pre amp circuit.
I currently have two audio inputs, switched using a relay, and two audio outputs, also witched using a relay, whilst the audio is going between the two relays is where I want to get the sampling signal from, can I just connect the inputs to the op amps to here?
Thanks,
Dan