[Cin] Waveform generation using ffmpeg filters

preobraz at gmail.com preobraz at gmail.com
Mon Apr 15 12:38:19 CEST 2019

To close the question, here’s an option how to generate a 440 Hz tone 
for 2 channels: https://www.datafilehost.com/d/d67b7b18

13.04.2019 17:47, Phyllis Smith пишет:
> Ugin, GG says that using F_aeval is easier.  Because F_sine "sine function
> seems to restart at every frame buffer".  A screen shot of the set up is at:
>     https://www.datafilehost.com/d/d218ffdb
> For aeval, note the playback buffer sample.  And in case you can not see
> the png file, you will see with the aeval setup, the default is 440 +
> something else, so remove the something else to get just the 440.
> gg/Phyllis

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