Core Analytics
VU Meter
VU Meter is a precise audio-analysis display in BeamTracer Audio Visualizers, built on Canvas 2D. Settings, audio modulation, presets, and tips.
VU Meter 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 VU Meter
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.
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
Vintage
| Setting | Available values | What it changes |
|---|---|---|
| Style | VINTAGE, GRUNDIG, YAMAHA | Chooses the style mode or style. |
Modern
| Setting | Available values | What it changes |
|---|---|---|
| Style | NIGHT, NEON | Chooses the style mode or style. |
Precision
| Setting | Available values | What it changes |
|---|---|---|
| Style | NEEDLE, OLED | Chooses the style mode or style. |
Enhanced
| Setting | Available values | What it changes |
|---|---|---|
| Style | GLASS, DUAL, GRADIENT | Chooses the style mode or style. |
Calibration
| Setting | Available values | What it changes |
|---|---|---|
| Reference Level | -30dB–0dB | Sets the input level, in dB, that reads as 0 VU on the meter; lower values make the needle read hotter for the same music. |
| Overshoot | 100%–200% | Sets how far the needle is allowed to swing past its target reading before settling back; higher values make the needle bounce more. |
| Peak Hold | 500ms–5000ms | Sets how long peak hold remains visible. |
| Show Peak LED | On / Off | Shows or hides peak LED. |
| Show Scale | On / Off | Shows or hides scale. |
Custom Skins
| Setting | Available values | What it changes |
|---|---|---|
| Skin Selector | Live readout | Shows the current skin selector. |
Neon Glow
| Setting | Available values | What it changes |
|---|---|---|
| Glow Color | Color | Sets the glow color. |
| Glow Intensity | 0–10 | Sets the visible glow intensity. |
| Audio Pulse | 0–5 | Controls how strongly the neon glow swells and dims with the loudness of the music; 0 keeps the glow steady. Available when the Style is Neon. |
| Trail Effect | On / Off | Turns trail effect on or off. |
Glass Overlay
| Setting | Available values | What it changes |
|---|---|---|
| Reflection | 0–1 | Controls how strongly the surrounding scene is reflected. |
| Vintage Scratches | On / Off | Turns vintage scratches on or off. |
Gradient Arc
| Setting | Available values | What it changes |
|---|---|---|
| Preset | CLASSIC, OCEAN, FIRE, SYNTH | Chooses the preset mode or style. |
| Smoothness | 0–1 | Controls how finely the gradient arc is blended; higher values give a smoother color sweep and lower values show visible color bands. Available when the Style is Gradient. |
Peak Needle
| Setting | Available values | What it changes |
|---|---|---|
| Show Peak Needle | On / Off | Shows or hides peak needle. |
| Peak Color | Color | Sets the peak color. |
| Hold Time | 50ms–500ms | Sets how long hold remains visible. |
| Decay Rate | 6dB/s–60dB/s | Sets how quickly decay changes or moves. |
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.