Audio waveform grayed out

how come some of my audio clips are grayed out in the viewer window? i can adjust only amplitude but cannot create any node points and cannot even see the waveform. other clips in my timeline are fine but about half of my clips are grayed out.

*the timeline shows the waveform fine but how do i edit the levels if i cannot see any waveform in the viewer window?*
Doesn't answer your viewer issue but since you say you can see the waveform in the timeline, you can add keyframes and edit audio there as well.
rh

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Message was edited by: Ian R. Brown

Audio waveform grayed out

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