[jmsl] real time sample recognition

jmsl at music.columbia.edu jmsl at music.columbia.edu
Tue Mar 1 10:50:23 EST 2005


Hi Paul

Good question!  I don't know much about how Phil Burk implemented the 
PitchDetector. 

This feels like it's a good question for the JSyn list

Thanks,
Nick

jmsl at music.columbia.edu wrote:

>Thanks Nick,
>
> I did read the documentation but it did not reveal
>very much about the "how".
>
>e.g.  Is based on FFT ,  autocorrelation zero cross over  etc etc . 
>
>regards Paul.
>
>
>
>
>On Tuesday 01 March 2005 3:05 pm, jmsl at music.columbia.edu wrote:
>  
>
>>Hello Paul
>>
>>The input to a PitchDetector is an audio signal.  It outputs a period
>>(which you can convert to frequency) and a confidence value (useful so
>>you can ignore periods that have low confidence, for example, in a noisy
>>signal)
>>
>>You can find out more about PitchDetector at
>>http://www.softsynth.com/jsyn/docs/autodocs/com/softsynth/jsyn/PitchDetecto
>>r.html
>>
>>You can find out more about JSyn at http://www.softsynth.com/jsyn
>>
>>There is also a JSyn mailing list at
>>http://music.columbia.edu/mailman/listinfo/jsyn
>>
>>Thank-you
>>Nick Didkovsky
>>
>>jmsl at music.columbia.edu wrote:
>>    
>>
>>>Hi,
>>>
>>>How does the Jsyn pitch detector work ?
>>>
>>>Paul.
>>>
>>>On Tuesday 01 March 2005 2:36 pm, jmsl at music.columbia.edu wrote:
>>>      
>>>
>>>>You could read an input audio signal from a microphone into a JSyn pitch
>>>>tracker, convert those frequencies with high confidence into pitches,
>>>>        
>>>>
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>>>jmsl at music.columbia.edu
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>>>      
>>>
>
>
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>  
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