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By: stretchtiberius
>I am just curious how did you set up your experiments?
>Are going through the pipeline in the MARF's class or
>are you invoking the classes you need directly?
I am just invoking the classes I need directly.
i.e.:
File oImportWaveFile = new File("C523.25sop.wav");
WAVLoader wavFile = new WAVLoader();
// wavFile.setRequiredFrequency( 22000 );
// MarfTest.java:32: cannot find symbol
//symbol : method setRequiredFrequency(int)
Sample wavSample = wavFile.loadSample(oImportWaveFile);
I am also calling the FFT function directly. It just seemed easier. Is this
not recommended?
>What kind of results are getting, i.e. "not very accurate"?
I've made some progress with this since my last post. Right now it seems that
the majority of the frequencies are just under double what they should be.
i.e. Input at 440Hz is output at 877.8225314292689Hz
Input at 523.25Hz is output at 1045.2825582814598Hz
I have yet to test a larger range of frequencies.
Could this be Aliasing (again I'm new to this)?
>What kind of samples (WAV files) are you using for training
>and testing (i.e. encoding details).
The wav files are mono 16bit 8000Hz. However, I would record these samples at
a higher sample rate. Soon I want to do this take input directly from the
microphone.
>It's in general good to know of the environment. Also
>the MARF version you are using.
I was originally using marf-0.3.0-devel-20060226. Today I tried
0.3.0.6-snapshot-0.3.0-devel-20070108 with the same results. I searched the
website for a more resent jar file/source package. Where can I find this?
>The SampleLoader class has the standard get/setRequiredFrequency()
I guess that was added after the 20070108 snapshot.
I really appreciate your help. Let me know if you would like any more
information.
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