1.3.  Learn Mode Data Structures

The following data structures are used by learn mode functions:

Data Structure	Definition
TN_DESC (tone description)	specifies the characteristics of a tone
TN_FREQ (tone frequency)	specifies frequency information for a tone and is a member of the TN_DESC structure
TN_DUR (tone duration)	specifies cadence information for a tone and is a member of the TN_DESC structure
LM_PARM (learn mode parameters)	specifies the parameters and options for learning a tone
TN_AMP (tone amplitude)	specifies amplitude information used to learn a tone
TN_INFO (tone information)	reports the data on which learn mode bases the final tone description
TN_INFOLIST (tone information list)	reports the data for each frame (sample) and includes the TN_INFO data structure

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