Automatic Sound Volume Control Circuit diagram

Sir/Maam,

Please, may I ask your help on how to make a automatic sound volume control circuit,from the basic steps,because this is my project study, i'm so worried the submission is almost near. if you have idea about the automatic sound volume control please give me some idea or suggestion which better and easier to assemble.

Gobless...

Read about audio compressors and limiters. Google will help.

Look at analog multipliers.