EAnalysis Help - Index

Differential sonogram

A differential sonogram reveal the differences between a t time instant and t+n. To have more information, read the paper (in French): L’analyse musicale différentielle : principes, représentation et application à l'analyse de l'interprétation

To add a new differential sonogram, select button (bottom left):

Select Sonogram View and the template differential sonogram.

A new Differential sonogram view is added at top:

Select the first tab of properties and Edit next to Differential sonogram.

• Source: select the first sonogram.
• Type: type of sonogram.
• Time sync.: select a time interval in seconds:hundredth.
• Target: select the second sonogram.
• Type: type of sonogram.
• Properties
• Low intensities: filter low intensities.
• Smooth the drawing.
• Colored the result (efficient with Low intensities at 0).