Suppose I want to jam an audio signal then what approach should I take to jam the signal and how to implement it on matlab?

Hey #-Link-Snipped-#  there was old discussion on CE about Matlab codes for noise and jammers.

I recommend you to please visit this following CE post for details : 

<a href="https://www.crazyengineers.com/threads/matlab-codes-for-noise-and-jammers.14217">Matlab Codes for Noise and Jammers</a>

Also you can search online for more details :

some example :

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