Audacity Forum

There are some problems though. - A random effect (e.g. arpeggiator or surf LFO) would not return the same sound as heard in the preview. - will the durations be handled correctly? For generate type plug-ins, yes the durations should be handled correctly. Unlike process and analyze plug-ins, the en...

Just to say, although there are limitations, I think that having Preview available (even if in the end is only for process type plug-ins) is a very welcome addition.

Actually, my last post was incorrect. That was from a test running an analyze type plug-in from the Nyquist Workbench. What I'm seeing when running an actual "Analyze" plug-in (from an installed script file) is that when clicking on Preview, it analayzes the preview mix, then plays the pre...

I've updated the first post to say that "Analyze plug-ins would not normally have a Preview button." If an analyze plug-in is given a Preview button, but does not return audio (for example it returns text), then the result is a bit odd (but harmless). On clicking Preview, the mix of the fi...

In "Edit > Preferences > Import/Export", which of the first two options is selected?
Does it make a difference which is selected?

So can that be generalised as "Preview should not be used on multiple tracks"? For "process" effects, it usually will not matter if one or multiple tracks are selected. In most cases, applying an effect to tracks individually will be the same as apply the effect to a mix. Howeve...

OTOH I think Preview should be disabled for Analyze effects, if they are incapable of returning audio. Certainly a plug-in of any type that is incapable of returning audio should not have a preview button. For example, my "Quick Calculator" plug-in is defined as a "generate" plu...

Plug-in writers need to exercise caution when adding a Preview button. For example, with this code: (if (not (boundp '*scratch*)) (progn (setf *scratch* 1) (osc 80 test)) (osc 70 test)) When this is run on multiple tracks, the first track gets a tone at MIDI note 80 and the rest get MIDI note 70. If...

I don't think that is supposed to happen. Looking at the code, I see that Leland has enabled it for all Nyquist plug-ins. I can see that being useful for some "generate" type plug-ins, but it should be noted that if multiple tracks are selected, the preview only generates one track. What ...

Robert J. H. wrote:Ctrl-Enter does not work?

Not on Debian. I don't think it ever has.