Core Analytics
Spectrum Analyzer
Spectrum Analyzer is a precise audio-analysis display in BeamTracer Audio Visualizers, built on WebGPU. Settings, audio modulation, presets, and tips.
Spectrum Analyzer is a precise audio-analysis display in the Core Analytics category. Open it from the left visualizer list, start an audio source, and use the settings panel to shape its response.
Open Spectrum Analyzer
Launch the visualizer with its matching left-nav entry selected.
Quick start
- Start the demo track, choose a local audio file, or enable a live input.
- Try a preset or style first, then open the section for the part of the image you want to change.
- Open the settings sections and adjust the controls that shape this visualizer's built-in response.
- Use Reset to Defaults whenever you want to return to the original look.
Presets and styles
Reflex · Bars · LED · Lumi · Mirror · Radial · Orbit 3D · Graph
Audio modulation
This visualizer uses its Audio or sensitivity controls for its built-in response. Its settings do not currently show Assign modulation on individual sliders.
Settings reference
Core
| Setting | Available values | What it changes |
|---|---|---|
| Band Slicing | DISCRETE, 1/24 OCT, 1/12 OCT, 1/6 OCT, 1/3 OCT, FULL OCT, LINE | Chooses the band slicing mode or style. |
| Bar Spacing | 0–0.6 | Sets the spacing between visible elements. |
| LED Segments | 8–96 | Sets how many divisions form the visible shape. |
| LED Gap | 0.1–0.7 | Sets the spacing between visible elements. |
| Grow From | BOTTOM, TOP, LEFT, RIGHT | Chooses the grow from mode or style. |
| Scale Labels | OFF, BOTTOM, TOP | Chooses the scale labels mode or style. |
| Mirror (Center-Out) | On / Off | Turns mirror (center-out) on or off. |
| Reflex Reflection | On / Off | Turns reflex reflection on or off. |
| Round Bar Caps | On / Off | Turns round bar caps on or off. |
| Lumi Bars | On / Off | Turns lumi bars on or off. |
| LED Bars | On / Off | Turns LED bars on or off. |
| Transparent Background | On / Off | Removes the plate behind the bars so they can be layered over artwork or video. |
Peaks
| Setting | Available values | What it changes |
|---|---|---|
| Show Peaks | On / Off | Shows or hides peaks. |
| Hold Time | 0ms–2000ms | Sets how long hold remains visible. |
| Gravity | 0.5–8 | Sets the downward pull on moving elements. |
| Age Fade | On / Off | Turns age fade on or off. |
| Peak Size | 0.004–0.04 | Sets the visible peak size. |
Colors
| Setting | Available values | What it changes |
|---|---|---|
| Gradient | SOLID, CLASSIC, PRISM, RAINBOW, EMBER, STEEL, MATRIX, AMBER, CUSTOM | Chooses the gradient mode or style. |
| Solid Color | Color | Sets the solid color. |
| Base Color | Color | Sets the base color. |
| Mid Color | Color | Sets the mid color. |
| Tip Color | Color | Sets the tip color. |
| Color By Level | On / Off | Turns color by level on or off. |
| Bar Glow | 0–1 | Sets the visible strength of bar glow. |
Radial
| Setting | Available values | What it changes |
|---|---|---|
| Radial Mode | On / Off | Turns radial mode on or off. |
| Spin Speed | -3–3 | Sets how quickly spin changes or moves. |
| 3D Rotation | On / Off | Turns 3d rotation on or off. |
| 3D Tilt | 0–1 | Sets the 3d tilt of the visible composition. |
| Inner Ring | OFF, LINE, VU ARCS | Chooses the inner ring mode or style. |
| Ring Thickness | 0.01–0.15 | Sets the visible ring thickness. |
| Inner Radius | 0.15–0.5 | Sets the visible inner radius. |
Frequency
| Setting | Available values | What it changes |
|---|---|---|
| Min Frequency | 20Hz–500Hz | Sets the lowest audio frequency shown. |
| Max Frequency | 2000Hz–22000Hz | Sets the highest audio frequency shown. |
| Scale | LOG, MEL, BARK, LINEAR | Chooses the scale mode or style. |
Audio
| Setting | Available values | What it changes |
|---|---|---|
| Sensitivity | 0.5–2 | Sets how strongly the input signal affects sensitivity. |
| Smoothing | 0–0.95 | Balances immediate audio response against steadier motion. |
Idle Banner
| Setting | Available values | What it changes |
|---|---|---|
| Idle Text Banner | On / Off | Turns idle text banner on or off. |
| Banner Text | Text | Sets the text used for banner text. |
Some controls appear only after you enable a related mode or style. The settings panel always reflects the options available for the current selection.
Tips for a better audio visualization
- Use a little smoothing for readable movement, then lower it when you want fast percussion to register sharply.
- Set the overall sensitivity first, then adjust color and motion separately so louder sections remain readable.