Re: looking for a sound waveform viewer, but not audacity for reasons explained
On Wednesday 01 July 2015 01:28:15 David Wright wrote:
> Quoting Lisi Reisz (lisi.reisz@gmail.com):
> > 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.
>
> Yes, and "sound" is specifically mentioned on that page, but you
> snipped it in your quotation above. It says:
>
> -----------------------------
> 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:
>
> typical audio files ←---------- [snipped]
>
> data from statistical or mathematical analysis (using, say, R or
> scilab); --------------------------------------
>
> Why do "typical audio files" fail your "sound" check?
> Or are you philosophising? :)
> https://en.wikipedia.org/wiki/If_a_tree_falls_in_a_forest
They don't. scilab doesn't handle sound. The page does. scilab doesn't.
Lisi
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