Re: looking for a sound waveform viewer, but not audacity for reasons explained
On Tuesday 30 June 2015 22:20:12 David Wright wrote:
> Quoting Lisi Reisz (lisi.reisz@gmail.com):
> > On Tuesday 30 June 2015 21:42:16 David Wright wrote:
> > > Quoting Lisi Reisz (lisi.reisz@gmail.com):
> > > > On Monday 29 June 2015 02:28:20 Richard Owlett wrote:
> > > > > Dan Hitt wrote:
> > > > > > Hi,
> > > > > >
> > > > > > Could somebody please point me to a sound waveform viewer?
> > > > > >
> > > > > > I'm aware of audacity, which is of course a very fine piece of
> > > > > > software. But its function is more to edit than just to view.
> > > > > > So, e.g., if you open a sound file, then it wants to create a
> > > > > > project, and when you want to exit you have to tell it not to
> > > > > > save the project that it created.
> > > > > >
> > > > > > I would like to just have something that shows the waveform.
> > > > > >
> > > > > > Ideally it would do other tasks connected with viewing, such as
> > > > > > being able to zoom to the sample level, give actual data readouts
> > > > > > [sample value, time, etc], and play nice with other software. So
> > > > > > it would be nice, e.g., if you could pop it open at the command
> > > > > > line and maybe even have it scroll to some interesting point.
> > > > > > (It would also be nice if it could play the wave form, but if it
> > > > > > can't that's no deal breaker.)
> > > > > >
> > > > > > My vague recollection is that there used to be more than a dozen
> > > > > > such viewers, but i can't seem to track any down now.
> > > > > >
> > > > > > TIA for any leads!
> > > > > >
> > > > > > dan
> > > > >
> > > > > Unlikely what you were recalling but I would recommend
> > > > > investigating scilab, scioslab, and gnuplot
> > > > >
> > > > > They are EXPLICITLY tools rather than SOLUTIONS.
> > > >
> > > > And there are the answer to the question how? He explicitly wanted a
> > > > SOUND waveform viewer, with playing the sound a bonus. I know Maths
> > > > and sound are linked, but this seems going a bit far.
> > >
> > > Well, it's in the list at
> > > https://wiki.ubuntu.com/Waveform_Viewers-Plotting_Large_Analog_Data
> > > which might be worth perusing (third hit when googling interactive
> > > waveform plotting )
> >
> > From there:
> > -----------------------------
> > A situation often occurs, where the user ends up with some sort of a
> > large dataset that needs to be visualised and analysed. Examples of this
> > include: [snip]
> > data from statistical or mathematical analysis (using, say, R or scilab);
> > --------------------------------------
> > That is not sound.
> >
> > Lisi
> > PS though the page does indeed also include sound wave plotters.
>
> Scilab appears in section 2 as a generator of large datasets. Many
> authors of such a page wouldn't have bothered with section 2 at all,
> but happily this author generated a batch of data to test the software
> listed in section 3 (making it easier to try out other ideas we might
> have).
>
> Were one to play the waveform generated, it might not be very
> pleasant. It looks to me vaguely like someone trying to tune a
> superhet radio while simultaneously turning up the volume to annoy
> the neighbours.
>
> The meat of the page is section 3 which contains, amongst the
> competition, scilab.
>
> Scilab was a legitimate suggestion given that the OP wasn't very
> specific about the problem area. For example, what is an "interesting
> point"? However, a deal breaker might be the reviewer's inability to
> perform synchronous zooms on multichannel data in scilab.
"Sound" seems to me to be pretty specific.
Lisi
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