Generate Noise Image, Noise Video, Noise Audio With Ffmpeg For Test

In this article, you will learn how to generate noise videos and images using the ffmpeg software. The commands demonstrated will teach you how to create a 5-second TV noise video by employing different methods.

simulating tv noise

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ffmpeg -f lavfi -i nullsrc=s=1280x720 -filter_complex \
"geq=random(1)*255:128:128;aevalsrc=-2+random(0)" \
-t 5 output.mkv

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ffmpeg -f rawvideo -video_size 1280x720 -pixel_format yuv420p -framerate 25 \
-i /dev/urandom -ar 48000 -ac 2 -f s16le -i /dev/urandom -codec:a copy \
-t 5 output.mkv

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