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Topic: export spectrogram as picture ? (Read 2264 times) previous topic - next topic
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export spectrogram as picture ?

hi,
I would like to know if there is a way to export fb2k's spectrogram viewer to a picture but in a very high resolution (for large printing) as a visual artist i like to play with pictures and i'm fascinated by the spectrogram view, I've converted some of my works to audio files but can't export the spectrogram's view 

thanks !

(sorry if I use wrongs terms I'm not audio pro ;) and french :p )

Re: export spectrogram as picture ?

Reply #1 –
You could always run it full screen at hi res and click the "Print Screen" button to screen grab it, then paste it in to any art app to save it.

For proper exports I have used RX Advanced "Export Screenshot" function.
 

Re: export spectrogram as picture ?

Reply #4 –
thanks i'll try it

Re: export spectrogram as picture ?

Reply #5 –
Spek will allow you to save its spectrogram as a PNG file. http://spek.cc/

Re: export spectrogram as picture ?

Reply #7 –
Quote from: wvkks on
i need something able to export at 9000x7000
SoX will not do this too. Maximal height is limited to 2050.
You can use ffmpeg.
Code: [Select]
ffmpeg.exe -i inputaudiofile -lavfi showspectrumpic=s=9000x8192:mode=separate outputfile.png
where 9000 is width and 8192 is height. Height must be power of 2, otherwise not all frequencies will be displayed. Color options are also available, see https://ffmpeg.org/ffmpeg-filters.html#showspectrumpic

Re: export spectrogram as picture ?

Reply #8 –
Quote from: Rollin on
Quote from: wvkks on
i need something able to export at 9000x7000
SoX will not do this too. Maximal height is limited to 2050.
You can use ffmpeg.
Code: [Select]
ffmpeg.exe -i inputaudiofile -lavfi showspectrumpic=s=9000x8192:mode=separate outputfile.png
where 9000 is width and 8192 is height. Height must be power of 2, otherwise not all frequencies will be displayed. Color options are also available, see https://ffmpeg.org/ffmpeg-filters.html#showspectrumpic
thanks !