cava

Audio frequency bars visualising the output stream.

Add it to your layout with cava:

[[bar.layout]]
monitor = "*"
right = ["cava"]

General

Field	Type	Default	Description
bars	BarCount	20	Number of frequency bars.
framerate	Framerate	60	Visualization update rate in frames per second.
stereo	bool	false	Stereo channel visualization (splits bars between left and right).
noise-reduction	NormalizedF64	0.65	Noise reduction filter strength.
monstercat	f64	0	Monstercat-style smoothing across adjacent bars (0.0 = off).
waves	u32	0	Wave-style smoothing (0 = off).
low-cutoff	FrequencyHz	50	Low frequency cutoff in Hz.
high-cutoff	FrequencyHz	17000	High frequency cutoff in Hz.
input	CavaInput	"pipe-wire"	Audio capture backend.
source	string	"auto"	Audio source identifier ("auto" for automatic selection).
style	CavaStyle	"bars"	Visualization rendering style.
direction	CavaDirection	"normal"	Bar growth direction.
color	ColorValue	"accent"	Bar color.
button-bg-color	ColorValue	"bg-surface-elevated"	Module background color.
bar-width	u32	6	Width of each frequency bar in pixels.
bar-gap	u32	1	Gap between frequency bars in pixels.
internal-padding	Spacing	0.5	Padding at the ends of the visualizer.
border-show	bool	false	Display border around the visualizer.
border-color	ColorValue	"border-accent"	Border color.
left-click	ClickAction	""	Action on left click.
right-click	ClickAction	""	Action on right click.
middle-click	ClickAction	""	Action on middle click.
scroll-up	ClickAction	""	Action on scroll up.
scroll-down	ClickAction	""	Action on scroll down.

Default configuration

[modules.cava]
bars = 20
framerate = 60
stereo = false
noise-reduction = 0.65
monstercat = 0.0
waves = 0
low-cutoff = 50
high-cutoff = 17000
input = "pipe-wire"
source = "auto"
style = "bars"
direction = "normal"
color = "accent"
button-bg-color = "bg-surface-elevated"
bar-width = 6
bar-gap = 1
internal-padding = 0.5
border-show = false
border-color = "border-accent"
left-click = ""
right-click = ""
middle-click = ""
scroll-up = ""
scroll-down = ""