Spectrogram - Insight 2 Help

The Spectrogram provides an intuitive way to pinpoint individual elements within a mix. The Spectrogram can display data for up to 8 sources simultaneously for analysis by selecting Relay instances in the source selection menu.

Overview

The Spectrogram provides an intuitive way to pinpoint individual elements within a mix. The Spectrogram can display data for up to 8 sources simultaneously for analysis by selecting Relay instances in the source selection menu.

What is a Spectrogram?

A Spectrogram is a spectral representation of audio varying over time. The vertical axis represents frequency while the horizontal axis represents time. Amplitude is displayed as color intensity in the 2D Spectrogram and as height in the 3D Spectrogram.

Views

The spectrogram offers two view modes: 2D and 3D.

2D Mode

2D Spectrogram

3D Mode

3D Spectrogram

Preset 3D Camera Views

The buttons along the bottom of the spectrogram meter panel (when 3D mode is selected) allow for quick adjustment of 3D spectrogram camera angles.

Spectrogram view buttons

Tip

Single- or double-clicking and dragging on the spectrogram display will rotate the view angles.

Options

Spectrogram specific options can be accessed by clicking the gear button in the upper left hand corner of the spectrogram panel.

Spectrogram Options

The following options are available for the Spectrogram meter: General, 3D Options, and 2D Options.

General

Spectrogram General Options

  • Perspective: Selects 2D or 3D spectrogram view.
  • Color: Selects the color scheme for the spectrogram.
  • FFT Overlap: Adjusts how often the spectrum is computed. Higher values compute the spectrum more often.
  • FFT Size: Adjusts the frequency and time resolution used to draw the spectrogram.

3D Options

Spectrogram 3D options

The following options apply to the 3D spectrogram only:

  • Zoom: Zooms in and out on the center of the 3D spectrogram.
  • Height: Scales the amplitude (z-axis) of the 3D spectrogram.
  • History Length: Scales the time (y-axis) of the 3D spectrogram.
  • Level Of Detail: Adjusts the level of detail used when drawing the 3D spectrogram. Low detail may improve performance.

2D Options

Spectrogram 2D options

The following option applies to the 2D spectrogram only:

Scroll Speed: Adjusts the time scale length of the 2D spectrogram.

Inter Plug-in Communication

Up to 8 sources can be displayed at a time in the Spectrogram. To access the source selection display, click the dropdown menu to the right of the gear button in the meter panel.

Spectrogram sources

The source panel lists all available Relay plug-in instances in the session. To display an instance in the spectrogram, check the box to the left of the instance name.

To change the color of a specific instance, click on the color box on the right side of the list. Select the desired color in the color selection window and click Ok to save changes.

Insight 2.3.0

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