Re: [Audacity-nyquist] How to repeat.
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From: <edg...@we...> - 2007-08-18 06:37:07
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Hi, I have no explanation on hand, I found it by trying. With me it works if I give a third argument 'nil' to 'seq': (seq (cue a0) (cue a1) nil) - edgar ---- > HI, Thank you. >=20 > I don't mind wheather sim or seq. > I think My problem is on the extract. > In case using seq, >=20 > (setf s0 (aref s 0)) > (setf s1 (aref s 1)) >=20 > (setf a0 (extract-abs 0 0.5 (cue s0))) > (setf a1 (extract-abs 1.0 2.0 (cue s0))) > (seq (cue a0) (cue a1)) >=20 > I tried this script, I expect the result should be 0-0.5ms followed by 1= .0-2.0ms of > original audio, so the results duration is 0.5+1.0=3D1.5ms. > But the answer from audacity is 0-0.5ms followed by 1.0-last of original= audio. > I confirm to return audacity audio a1 also, and the result is 1.0-2.0ms = of=20 > original audio. But the result of seq have unnecessary tail of original = audio. >=20 > I cannot understand the reason. ------------------------ > 2007/8/16, David R. Sky <dav...@sh...>: > Hi, >=20 > If you want 'bits' of audio to immediately follow one another, use 'seq'= > instead of 'sim' - seq is like "sequence", 'sim' is like "simultaneous",= which >=20 > is where I use at-abs. >=20 > Don't use 'at-abs' when you use seq in this way. >=20 > Is this what you were asking=3F >=20 > David >=20 > -- > David R. Sky > http://www.shellworld.net/~davidsky/ --------------------------------- > On Thu, 16 Aug 2007, =C7=F2=B0=E6=C2=F3=CC=E9 wrote: >=20 > > Thank you, David, for your answer. > > I looked at SilenceFinder and I think I can find the silence point. > > But I don't understand the way to insert additional silence duration >=20 > > to the point.For example, I would like to double the silece duration. > > > > I tried your source code, using at-abs. I got moved audio, thank you > > for your advice. > > > > But when I changed to source to extract only 0.5ms and repeat it like > > following, > > I got 0-0.5ms followed by 0-last of origial audio. > > I think the result should be 0-0.5ms followed by 0-0.5ms. > > I don't understand why this occur and how to got the wanted result. >=20 > > > > (setf a0 (extract-abs 0 0.5 (cue s))) > > > > (sim > > (cue a0) > > (at-abs 0.5 (cue a0))) > > > > --=20 The author of this email does not necessarily endorse the following advertisements, which are the sole responsibility of the advertiser: =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! http://smartsurfer.web.de/=3Fmc=3D100071&distributionid=3D000000000066 |