Please help me identify this note taking tablet software!

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hi i am in search of software that provide note taking facility in tablets with handwriting and audio being recorded as video files. Here is the example of software that actually i am trying to find ... this is lecture recorded by teacher of acca. Can u please help me identify this software . thanks in advance

P4 Chapter 17 Foreign Exchange Risk Management lecture 2 Foreign exchange risk - OpenTuition.com Free ACCA Study Materials