Re: [Audacity-quality] Use of "-" in Spectral Selection Toolbar
A free multi-track audio editor and recorder
Brought to you by:
aosiniao
Menu
▾
▴
Re: [Audacity-quality] Use of "-" in Spectral Selection Toolbar
|
From: Paul L. <pau...@gm...> - 2015-07-29 16:17:06
|
Done: https://github.com/audacity/audacity/commit/910e7f87bd180f0a9c3e16ae90508228370eddb7 Delete key not -, and it works in center and width control. Typing Delete in either of those controls will leave spectral selection top and bottom both undefined. PRL On Wed, Jul 29, 2015 at 10:35 AM, Paul Licameli <pau...@gm...> wrote: > All right, but it may be worth documenting that when center and width show > hyphens, that means at least one of low and high is undefined, not > necessarily both. > PRL > > > On Wed, Jul 29, 2015 at 10:19 AM, Peter Sampson <pet...@ya...> > wrote: > >> Paul wrote: >> >I like the suggestion to use Delete instead. >> >> +1 I like that suggestion too - *much* better than the minus sign :-) >> >> And it saves real estate on the Toolbar by avoiding a reset button. >> >> I'd still prefer to see it operating on both views of the SE toolbar >> though. >> >> Cheers, >> Peter. >> >> Peter Sampson >> Tel: +44 (0)1625 524 780 >> >> ------------------------------ >> *From:* Paul Licameli <pau...@gm...> >> *To:* audacity-quality <aud...@li...> >> *Sent:* Wednesday, July 29, 2015 3:10 PM >> *Subject:* Re: [Audacity-quality] Use of "-" in Spectral Selection >> Toolbar >> >> >> >> On Wed, Jul 29, 2015 at 10:05 AM, Steve the Fiddle < >> ste...@gm...> wrote: >> >> On 29 July 2015 at 14:52, Paul Licameli <pau...@gm...> wrote: >> > Suppose sample rate is 44100, low frequency is 1 and high frequency is >> > 22050; then the geometric mean is about 148 Hz, and Spectral Edit >> Multi-Tool >> > would do a notch filter centered there. >> > Suppose low frequency is 1 and high frequency is undefined. Then >> Spectral >> > Edit Multi-Tool would do a lowpass filter at 1 Hz. Very different >> results! >> > >> > So that example illustrates why making high frequency undefined is not >> the >> > same as making it the maximum possible for the track. >> > >> > Why don''t I make the center and width controls responsive to the - >> key? I >> > suppose I could, but it would have to be that typing - in either control >> > would put -'s in both controls, because unlike with low and high, it >> makes >> > no sense to define only one of center and width without the other. >> >> Why not use a "clear" or "reset" button, or use the "Delete" key, or >> some other standard method for resetting rather than inventing a new >> and unfamiliar way to remove / reset the values? Plenty of options to >> choose from, so no need to invent a better wheel. >> >> Steve >> >> >> >> Most of the work was needed to make any key clear the control, and >> changing which key that is, is easily done. >> >> Backspace in the text box controls already does something -- it moves >> your highlight left one digit and makes a zero -- but Delete does nothing >> yet and is passed through to the application and deletes the selection. >> >> I like the suggestion to use Delete instead. >> >> PRL >> >> >> >> >> > >> > But also note that if only one of low or high is undefined, then if you >> > switch the toolbar to center and width, then both of those are >> undefined. >> > Yet, the spectral selection is not completely undefined. So you see? >> The >> > state in which center and width show all - is not necessarily a >> completely >> > undefined spectral selection. The -'s there do not reflect the spectral >> > selection -- they underspecify it. So that made me think I should not >> allow >> > you to type - into them because you would be underspecifying the >> selection. >> > >> > That could the the wrong choice, we might agree, "make the selection >> totally >> > undefined in that case." >> > >> > PRL >> > >> > On Wed, Jul 29, 2015 at 8:36 AM, Peter Sampson < >> pet...@ya...> >> > wrote: >> >> >> >> Hi Paul, >> >> >> >> you wrote in an ednote in the Manual on the Tools Toolbar page >> >> a couple of days ago: >> >> > now typing hyphen ('-') in any digit position of the low or high >> >> > frequency >> >> >control resets it to undefined, which is distinct from making it >> defined >> >> >but maximal or minimal. >> >> http://manual.audacityteam.org/man/Toolbars_Overview >> >> >> >> I have tested this on W7-HP 64-bit 2.1.2 alpha nightly r504d4b5 >> 27-jul-15 >> >> and it does what you say. >> >> >> >> But is there any reason that you have not made this work when in >> >> "Center frequency and Width" view of the Spectral Selection Toolbar? >> >> >> >> >> >> Oh, and for the purposes of documenting the Manual for non-techie users >> >> can you please explain the subtle differences alluded to in the >> statement: >> >> "resets it to undefined, which is distinct from making it defined but >> >> maximal >> >> or minimal" - as I'm confused by that (easily done). >> >> >> >> Peter. >> >> >> >> Peter Sampson >> >> Tel: +44 (0)1625 524 780 >> > >> > >> > >> > >> ------------------------------------------------------------------------------ >> > >> > _______________________________________________ >> > Audacity-quality mailing list >> > Aud...@li... >> > https://lists.sourceforge.net/lists/listinfo/audacity-quality >> >> >> >> > >> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Audacity-quality mailing list >> Aud...@li... >> https://lists.sourceforge.net/lists/listinfo/audacity-quality >> >> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Audacity-quality mailing list >> Aud...@li... >> https://lists.sourceforge.net/lists/listinfo/audacity-quality >> >> >> > |
