[R] Seewave options

Uwe Ligges ligges at statistik.tu-dortmund.de
Mon May 18 16:39:26 CEST 2009



Thiago de Carvalho wrote:
> 
> 
> Good afternoon,
> 
> My name is Thiago. I'm a graduate student and affiliated to an Anuran
> Bioacustic and Systematics Laboratory at UFU (Federal University of
> Uberlândia) in Brazil. The professor in charge of the lab (Dr.
> Ariovaldo Antonio Giaretta) and I have recently been making use of R,
> specially the packages Sound and Seewave so as to analize anuran
> recordings. This software is just fantastic, but I am writing to ask
> for help about the graphics generated by Seewave. A graphic and the
> script I used are attached to the e-mail, so that you are able to
> verify if it is possible to reduce the graphic scale of the Y-axis
> (see we need only until 10 KHz, even less than it). The fact of
> recording at 44100 Hz/16 bits resolution may be a possible cause for
> such a long scale, but that is the only way to record with the best
> quality... If you think it is easier to change my script and send me
> back, I would reallly appreciate it too. I am looking forward to your
> reply. Thanks beforehand,

See ?spectro and its "flim" argument:

spectro(x, wl = 256, grid = FALSE, osc = TRUE,
         listen = TRUE, flim = c(0, 10))

Uwe Ligges



> 
> ______________________ Thiago Ribeiro de Carvalho Laboratório de
> Comportamento, Ecologia e Sistemática de Anuros Neotropicais 
> Universidade Federal de Uberlândia 
> http://lattes.cnpq.br/0618169962335506
> 
> 
> Veja quais são os assuntos do momento no Yahoo! +Buscados 
> http://br.maisbuscados.yahoo.com
> 
> 
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