#8793: Add 'peak' mode to showwavespic
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Reporter: MelkorLord | Owner:
Type: enhancement | Status: closed
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution: invalid
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by MelkorLord):
I don't think "draw=full" is the right answer. Please see the attached
waveforms to see the difference.
!SoundForge (Windows) only supports peak level display and the waveform is
identical to Audcacity's dark blue part.
Audacity displays both peak (dark blue) and average RMS (light blue) and
the light blue part is quite identical to FFMPEG's showwavespic overall
shape.
Besides, there's no apparent difference between "draw=scale" and
"draw=full" options, at least not using this resolution. Using higher
resolutions (tested up to 3840 pixels width) shows differences but the
waveform aspect remains the same, only more detailed as the "draw=full"
seems to imply.
If you need the OGG Vorbis sample, just ask but I'll have to compress it
further because it's a bit bigger than the allowed attachment size (2.5 MB
vs 3.9 MB for the OGG file)
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Ticket URL: <https://trac.ffmpeg.org/ticket/8793#comment:2>
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