Real-time spectrum analyzer with API

Posted by bobobobo on Stack Overflow See other posts from Stack Overflow or by bobobobo
Published on 2010-05-21T23:04:52Z Indexed on 2010/05/22 8:40 UTC
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c++

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spectrum

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analyzer

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fft

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dsp

I'm looking for a C or C++ API that will give me real-time spectrum analysis of a waveform on Windows.

I'm not entirely sure how large a sample window it should need to determine frequency content, but the smaller the better. For example, if it can work with a 0.5 second long sample and determine frequency content to the Hz, that would be wicked-awesome.

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