showspatial

Convert stereo input audio to a video output, representing the spatial relationship between two channels.

The filter accepts the following options:

size, s

Specify the video size for the output. For the syntax of this option, check the (ffmpeg-utils)"Video size" section in the ffmpeg-utils manual. Default value is 512x512.

win_size

Set window size. Allowed range is from 1024 to 65536. Default size is 4096.

win_func

Set window function.

It accepts the following values:

rect
bartlett
hann
hanning
hamming
blackman
welch
flattop
bharris
bnuttall
bhann
sine
nuttall
lanczos
gauss
tukey
dolph
cauchy
parzen
poisson
bohman
kaiser

Default value is hann.

rate, r

Set output framerate.