[R] Prosodic/phonetic analysis with R

Uwe Ligges ligges at statistik.uni-dortmund.de
Sun Dec 26 12:09:26 CET 2004

(Ted Harding) wrote:

> Hi Folks,
> I'm interested in looking (in a beginner's amateurish way)
> at prosodic/phonetic analysis of recorded speech.
> In particular I would want to use R to formulate and
> evaluate specific models.
> So I would like to ask R people for their recommendations
> for a program which would
> a) Take as input a sound file in one of the common formats
>    (".wav", ".au")


see package tuneR for reading Wave files.

> b) perform at least basic phonetic analysis (formants, F0,
>    spectrograms, ... )

For F0 and spectograms see also tuneR.

"Formants" is a bit more tricky. We tried some analyses, but since the 
definition of a formant is still not completly clear to me, we haven't 
provided anything for formants in the package yet. Do you know some good 
literature that gives a somwhat precise definition? At least musicias 
only talk about something like "raised" areas in the periodogram, which 
is not very helpful given the missing definition of "raised".


> b) Save to file a representation of the basic phonetic
>    analysis which it has done, in a form which R can readily
>    import and use.
> I've come across 'praat':
>    http://www.praat.org
> which seems to offer a spohisticated range of analyses, though
> it's not too clear from the above URL what can be saved and
> in what format.
> I'd be grateful for any comments on using 'praat' with R,
> and/or for any suggestions for other software with commments.
> I only want to hear about software which (like 'praat') is
> GPL or similar.
> Thanks,
> Ted.
> --------------------------------------------------------------------
> E-Mail: (Ted Harding) <Ted.Harding at nessie.mcc.ac.uk>
> Fax-to-email: +44 (0)870 094 0861  [NB: New number!]
> Date: 26-Dec-04                                       Time: 10:31:14
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