You aren't pushing any envelope... you slit it open and fell out somewhere on the sidewalk. I tossed your question into Google and it came back with [1] and [2]. Please do that yourself instead whenever you are tempted to go off topic.
[1] https://stackoverflow.com/questions/25940376/whats-the-actual-data-in-a-wav-file [2] https://en.m.wikipedia.org/wiki/Digital_audio On February 1, 2019 2:20:57 AM PST, Nick Wray via R-help <r-help@r-project.org> wrote: >I have been given a wav file of train locomotive noise - literally >something you can play back and hear. Using the audio package and the >load.wave function I have got a 1.5 million element vector which >visually at least has some periodicity in certain parts and does not >seem to be completely random. Most elements (99%) are within a range >of about -0.14 to +0.14 with occasional outliers. Beneath is a typical >short segment. > > >This is the head: > >sample rate: 16000Hz, mono, 16-bits >[1] -3.051851e-05 6.103516e-05 -6.103702e-05 3.051758e-05 >3.051758e-05 -1.220740e-04 > >Most elements (99%) are within a range of about -0.14 to +0.14 with >occasional outliers > >This is the same kind of output as is illustrated in the documentation: > >https://cran.r-project.org/web/packages/seewave/vignettes/seewave_IO.pdf > >What I am not sure about, and I can't find any clear explanation, is >what these elements actually stand for? >I would have thought that one needed as a minimum both volume and >frequency ie a two dimensional vector but as far as I can tell >there is only one single vector. I'm aware that this question is >pushing the envelope of R help but... > >Thanks, Nick Wray >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
