Re: [SoX-users] Generating multiple spectrograms

[Peter S. <ps...@nu...>]

You added the spectrogram option to SoX? Thanks for doing that! I'm sure there are other spectrogram generation programs out there, but I haven't been able to find a good one, and I was pleased to find such a mainstream program could do it.

5000 pixels is still fairly large by most people's standards, and I'm guessing that even though the image files support much larger ones, there will be programs that struggle to handle them. It would be good if the standard distribution of SoX could go higher, but it might be more generally useful if it supported numbered spectrogram output files for use with trim and : newfile : restart like it does with audio files, or even if it simply created them if necessary.

Perhaps there could be a parameter for the total width in pixels and one for the number of pixels per file.

Are such future enhancements possible with SoX?

________________________________
From: Rob Sykes [aq...@ya...]
Sent: Monday, 31 December 2012 8:19 PM
To: sox...@li...
Subject: Re: [SoX-users] Generating multiple spectrograms

----- Original Message -----



> Probably the easiest way is to lift the width limit of 5000 pixels, as
> it appears to be arbitrary. I don't know if there is a real limit


Yes, I'm sure it can be changed upward—when I wrote this stuff 5 years ago, a few thousand pixels was enough to invoke a warning that loading the image might use so much memory as to cause the PC to lock up! I expect things have moved on a bit since then.

Cheers,
Rob

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