[mirtoolbox] Re: Regarding pitch detection
- From: Olivier Lartillot <olartillot@xxxxxxxxx>
- To: mirtoolbox@xxxxxxxxxxxxx
- Date: Tue, 18 Oct 2011 17:22:02 +0300
Hi Joshua,
I guess you had a look at the online documentation of mirpitch (help mirpitch)
which does not explain in very details how it works. I invite you to read the
Users' Manual for more information. To answer the question, mirpitch by default
detect the peaks OF the autocorrelation function, which would correspond to the
pitch candidates.
Olivier
Joshua Tay kirjoitti 10.9.2011 kello 13.50:
> Hi Oliver,
>
> I'm a student from Nanyang Technological University (Singapore) working on a
> music infromation retrieval in regards to polyphonic music. I've been
> exploring on some of the tools used in your MIRtoolbox for this project that
> i am working on. Lately i have been exploring ways to extract pitches from
> monophonic instruments, like a violin and a cello of duration clip 5 seconds.
> Just a small enquire on how does the [p ac]=mirpitch(....,'Frame') works. Is
> it a function that computes the peak and the autocorrelation of the signal at
> the same time using these results to calculate pitches found in a musical
> signal?
>
> Joshua
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