fix in lecture 3
Renamed 2 wav files
Merge branch 'master' of https://github.com/MTG/sms-tools
deleted lectures 9 and 10
corrected typo in lecture 3
after assignment A1
A2 completed and added DSP book
Use same complex sinusoid generator function for IDFT and DFT
Working on A3, 2 problems solved
Merge branch 'master' of https://github.com/govind-mukundan/sms-tools