The following tutorials provide a solid background on most of Essentia’s capabilities. They do not require significant computational resources, and therefore the AWS free tier of instances is sufficient to get started.
The manual for the Data Processing (AQ) commands is located here: Data Processing Tools.
Examples of the syntax and options for the Data Processing (AQ) commands are located here: Example aq_pp Commands and here: Example aq_udb Commands.
Users are encouraged to go through the tutorials in order.