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Version: 2.0.0-preview

Audio Spectrogram

Visualizes the audio spectrogram (frequency × time × intensity) over the visible window. Useful for revealing patterns in music or speech.

Library location​

Library → Audio Visualizer → Audio Spectrogram

Properties​

Window (seconds) (WindowSeconds)​

Visible time window in seconds.

  • Type: float
  • Default: 4
  • Animatable: Yes
  • Range: [0.01, 3600]

FFT Size (FftSize)​

FFT size used per time column.

  • Type: int
  • Default: 512
  • Animatable: No
  • Range: [64, 16384]

Floor (dB) (FloorDb)​

dB floor; quieter values are mapped to the lowest color.

  • Type: float
  • Default: -80
  • Animatable: Yes
  • Range: [-200, 0]

Time Columns (TimeColumns)​

Number of time columns rendered across the window.

  • Type: int
  • Default: 256
  • Animatable: No
  • Range: [2, 2048]

Frequency Scale (FrequencyScale)​

Frequency-axis scale.

  • Type: FrequencyScale
  • Default: AudioVisualizers.FrequencyScale.Logarithmic
  • Animatable: No

Common properties​

This object inherits from AudioVisualizerDrawable and exposes the common properties declared on its base classes.

Usage​

Set a scene reference (audio) on Source and assign the current scene to display a spectrogram synchronized with the audio.

Source​

src/Beutl.Engine/Graphics/AudioVisualizers/AudioSpectrogramDrawable.cs