Convert input audio to a single video frame, representing the samples waves.

The filter accepts the following options:

size, s

Specify the video size for the output. For the syntax of this option, check the "Video size" section in the ffmpeg-utils manual. Default value is 600x240.

split_channels

Set if channels should be drawn separately or overlap. Default value is 0.

colors

Set colors separated by ’|’ which are going to be used for drawing of each channel.

scale

Set amplitude scale. Can be linear lin or logarithmic log. Default is linear.