[FFmpeg-user] aevalsrc question

Nicolas George george at nsup.org
Mon Dec 19 00:10:06 EET 2016

L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit :
> Some time ago I posted a question about sweeping from one frequency to
> another using aevalsrc and the t parameter of the expression. My
> command line was something like:
> ffmpeg -f lavfi -i aevalsrc=sin(262*2^^(t/10)*2*PI*t):d=10 test.ogg
> and I'm still hearing higher frequencies than the desired output. I'm
> also trying lots of other variations in the formula, and I'm trying to
> do it without loading and storing commands.
> What am I doing wrong and how an I fix this?

You have a suspicious double circumflex. If I fix it, the command works
for me.


  Nicolas George
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